Merge branch 'main' into dev

update maker points config
update maker points
2026-09-09 08:18:07 +00:00 · 2026-02-27 10:51:05 +08:00 · 2026-02-08 09:41:06 +08:00 · 2026-02-08 09:37:39 +08:00 · 2026-02-08 00:08:38 +08:00 · 2026-02-07 23:58:01 +08:00
612 changed files with 100166 additions and 8775 deletions
@@ -1,14 +1,36 @@
+# UI language (zh | en)
+LANG=zh
+
 # Exchange selection
-EXCHANGE=aster                       # Pick aster (default) or grvt/lighter/backpack/paradex
+EXCHANGE=aster                       # Pick aster (default) or standx/grvt/lighter/backpack/paradex/nado

 # Aster API credentials
 ASTER_API_KEY=
 ASTER_API_SECRET=

+# StandX authentication (set when EXCHANGE=standx)
+STANDX_TOKEN=
+STANDX_SYMBOL=BTC-USD
+# STANDX_BASE_URL=https://perps.standx.com
+# STANDX_WS_URL=wss://perps.standx.com/ws-stream/v1
+# STANDX_SESSION_ID=
+# Optional: request signing key (ed25519 private key, supports hex or base58 format)
+# STANDX_REQUEST_PRIVATE_KEY=
+# Token expiry configuration (recommended method: creation date + validity days)
+# Get these values when generating API token at https://standx.com/user/session
+# STANDX_TOKEN_CREATE_DATE=2026-01-15   # Token creation date (YYYY-MM-DD format)
+# STANDX_TOKEN_VALIDITY_DAYS=30         # Token validity period in days
+# Legacy method: direct expiry timestamp (Unix seconds)
+# STANDX_TOKEN_EXPIRY=1737092800
+
 # Core trading symbol and sizing
 TRADE_SYMBOL=BTCUSDT                    # Trading pair symbol
 TRADE_AMOUNT=0.001                      # Base order quantity (base asset, e.g. BTC)

+# Swing Trading
+SWING_DIRECTION=short # short | long | both
+SWING_STOP_LOSS_PCT=0.05 # 0.05 = 5%
+
 # Risk management (USD amounts unless noted)
 LOSS_LIMIT=0.04                         # Max loss per trade in USDT before forced close
 TRAILING_PROFIT=0.2                     # Trailing stop activation profit (USDT)
@@ -37,6 +59,10 @@ MAKER_REFRESH_INTERVAL_MS=500          # Maker refresh cadence (ms)
 MAKER_MAX_CLOSE_SLIPPAGE_PCT=0.05       # Maker close slippage guard (fallbacks to MAX_CLOSE_SLIPPAGE_PCT)
 MAKER_PRICE_TICK=0.1                    # Maker price tick size (defaults to PRICE_TICK)

+# Maker-points Binance depth imbalance monitor
+MAKER_POINTS_BINANCE_DEPTH_WINDOW_BPS=3       # Binance depth monitor window around best bid/ask (bps)
+MAKER_POINTS_BINANCE_DEPTH_IMBALANCE_RATIO=9  # Imbalance threshold ratio (e.g. 9 => one side >= 9x)
+
 # Grid strategy defaults
 GRID_LOWER_PRICE=25000                  # Grid lower bound price (quote currency)
 GRID_UPPER_PRICE=35000                  # Grid upper bound price
@@ -95,6 +121,16 @@ BACKPACK_SYMBOL=BTC_USD_PERP
 # Enable verbose adapter logging: set to "1" or "true"
 BACKPACK_DEBUG=false

+# EdgeX exchange configuration
+EDGEX_ACCOUNT_ID=
+EDGEX_PRIVATE_KEY=
+# EDGEX_POSITION_ID=                 # Defaults to EDGEX_ACCOUNT_ID when omitted
+# EDGEX_BASE_URL=https://pro.edgex.exchange
+# EDGEX_WS_PUBLIC_URL=wss://quote.edgex.exchange
+# EDGEX_WS_PRIVATE_URL=wss://quote.edgex.exchange
+# EDGEX_ORDER_TTL_MS=21600000        # Order expiration window (ms), default 6 hours
+
+
 # Paradex exchange configuration
 # Provide the EVM private key & wallet address for onboarded accounts.
 # When EXCHANGE=paradex these values are used automatically.
@@ -115,15 +151,35 @@ PARADEX_WALLET_ADDRESS=
 # Enable verbose adapter logging: set to "1" or "true"
 # PARADEX_DEBUG=false

-# Extended exchange configuration (Starknet)
-# Set EXCHANGE=extended to activate. Requires on-chain Stark key + vault id.
-EXTENDED_API_KEY=
-EXTENDED_STARK_PRIVATE_KEY=           # 0x-prefixed Stark private key for signing orders
-EXTENDED_VAULT_ID=                    # Vault/sub-account id from Extended UI
-EXTENDED_MARKET=BTC-USD               # Defaults to TRADE_SYMBOL when omitted
+# Nado exchange configuration (Ink mainnet)
+# Requires a linked signer private key + your original subaccount owner EVM address.
+# When EXCHANGE=nado these values are used automatically.

-# Optional overrides (defaults target mainnet host)
-# EXTENDED_API_HOST=api.starknet.extended.exchange
-# EXTENDED_STREAM_HOST=api.starknet.extended.exchange
-# EXTENDED_PRIVATE_STREAM_HOST=api.starknet.extended.exchange
-# EXTENDED_USER_AGENT=ritmex-bot
+NADO_ENV=inkMainnet                   # inkMainnet | inkTestnet
+NADO_SYMBOL=BTC-PERP                  # Trading product symbol (e.g., BTC-PERP / ETH-PERP)
+NADO_SIGNER_PRIVATE_KEY=              # 32-byte 0x-prefixed private key (0x...)
+NADO_SUBACCOUNT_OWNER=                # EVM address of the subaccount owner (0x...)
+NADO_SUBACCOUNT_NAME=default          # Subaccount name (bytes12, default "default")
+
+# Optional: market-order slippage buffer (used for IOC limit-as-market, e.g. 0.01 => 1%)
+NADO_MARKET_SLIPPAGE_PCT=0.01
+
+# Optional: stop trigger source for STOP_MARKET orders (oracle | last | mid)
+NADO_STOP_TRIGGER_SOURCE=oracle
+
+# Optional: how to handle orders smaller than Nado min_size (USDT0 notional)
+# - adjust: round quantity up to the minimum allowed size (default)
+# - reject: throw an error instead of auto-adjusting
+NADO_MIN_SIZE_POLICY=adjust
+
+# Optional endpoint overrides
+# NADO_GATEWAY_WS_URL=wss://gateway.prod.nado.xyz/v1/ws
+# NADO_SUBSCRIPTIONS_WS_URL=wss://gateway.prod.nado.xyz/v1/subscribe
+# NADO_ARCHIVE_URL=https://archive.prod.nado.xyz/v1
+# NADO_TRIGGER_URL=https://trigger.prod.nado.xyz/v1
+# NADO_DEBUG=false
+
+# Telegram notification configuration
+# TELEGRAM_BOT_TOKEN=                   # Telegram bot token from @BotFather
+# TELEGRAM_CHAT_ID=                     # Chat ID to receive notifications
+# TELEGRAM_ACCOUNT_LABEL=               # Account label to distinguish multiple bot instances (e.g., "Account-A")
@@ -33,3 +33,6 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json

 # Finder (MacOS) folder config
 .DS_Store
+
+.tmp
+.tmp/*
@@ -0,0 +1,12 @@
+# RitMEX Bot - Claude Instructions
+
+## Package Manager
+
+**必须使用 Bun** - 这个项目使用 Bun 作为包管理器和运行时。所有能用 bun 执行的命令都必须使用 bun：
+
+- 安装依赖: `bun install`
+- 运行脚本: `bun run <script>`
+- 执行测试: `bun test`
+- 类型检查: `bun run typecheck`
+
+**不要使用 npm、yarn 或 npx**
@@ -1,19 +1,27 @@
 # ritmex-bot

+> For English users, please see [README_en.md](README_en.md).
+
+Please set `LANG=en` in `.env` for English interface.
+
+A Bun-powered multi-exchange perpetuals workstation that ships an SMA30 trend engine, a Guardian stop sentinel, and two market-making modes. It offers instant restarts, realtime market data, structured logging, and an Ink-based CLI dashboard.
+
 基于 Bun 的多交易所永续合约量化终端，内置趋势跟随（SMA30）、Guardian 防守与做市策略，支持快速恢复、实时行情订阅、日志追踪与 CLI 仪表盘。

 如果您希望获取优惠并支持本项目，请考虑使用以下注册链接：

-* [Aster 30% 手续费优惠注册链接](https://www.asterdex.com/zh-CN/referral/4665f3)
+* [Lighter 手续费优惠注册链接](https://app.lighter.xyz/?referral=111909FA)
+* [Aster 手续费优惠注册链接](https://www.asterdex.com/zh-CN/referral/4665f3)
+* [StandX 手续费优惠注册链接](https://standx.com/referral?code=xingxingjun)
 * [Binance 手续费优惠注册链接](https://www.binance.com/join?ref=KNKCA9XC)
 * [GRVT 手续费优惠注册链接](https://grvt.io/exchange/sign-up?ref=sea)
+* [Nado 手续费优惠注册链接](https://app.nado.xyz?join=LKbIUs5)
 * [Backpack 手续费优惠注册链接](https://backpack.exchange/join/ritmex)
 * [edgex 手续费优惠注册链接](https://pro.edgex.exchange/referral/BULL)
 * [Paradex 手续费优惠注册链接](https://paradex.io/ref/xingxingjun)
 * [Apex 手续费优惠注册链接](https://join.omni.apex.exchange/SEA)

 ## 文档索引
- [English README](README_en.md)
 - [简明上手指南（零基础）](simple-readme.md)
 - [基础网格策略使用教程](grid-trading.md)

@@ -28,10 +36,12 @@
 | 交易所 | 合约类型 | 必填环境变量 | 备注 |
 | --- | --- | --- | --- |
 | Aster | USDT 永续 | `ASTER_API_KEY`, `ASTER_API_SECRET` | 默认交易所；兼容脚本引导
+| StandX | USD 永续 | `STANDX_TOKEN` | 使用 JWT Token 登录，优先走 WebSocket 推送
 | GRVT | USDT 永续 | `GRVT_API_KEY`, `GRVT_API_SECRET`, `GRVT_SUB_ACCOUNT_ID` | `GRVT_ENV` 可切换 `prod`/`testnet`
 | Lighter | zkLighter 永续 | `LIGHTER_ACCOUNT_INDEX`, `LIGHTER_API_PRIVATE_KEY` | 默认 `LIGHTER_ENV=testnet`
 | Backpack | USDC 永续 | `BACKPACK_API_KEY`, `BACKPACK_API_SECRET`, `BACKPACK_PASSWORD` | `BACKPACK_SANDBOX=true` 启用沙盒
 | Paradex | StarkEx 永续 | `PARADEX_PRIVATE_KEY`, `PARADEX_WALLET_ADDRESS` | `PARADEX_SANDBOX=true` 使用测试网
+| Nado | USDC 永续 | `NADO_SIGNER_PRIVATE_KEY`, `NADO_SUBACCOUNT_OWNER` | `NADO_ENV` 可切换 `inkMainnet`/`inkTestnet`

 ## 系统要求
 - Bun ≥ 1.2（需同时包含 `bun`、`bunx` 命令）
@@ -76,7 +86,7 @@ curl -fsSL https://github.com/discountry/ritmex-bot/raw/refs/heads/main/setup.sh

 | 变量 | 说明 |
 | --- | --- |
-| `EXCHANGE` | 选择交易所（`aster`/`grvt`/`lighter`/`backpack`/`paradex`） |
+| `EXCHANGE` | 选择交易所（`aster`/`standx`/`grvt`/`lighter`/`backpack`/`paradex`/`nado`） |
 | `TRADE_SYMBOL` | 交易对（默认 `BTCUSDT`） |
 | `TRADE_AMOUNT` | 单笔下单数量（标的资产计） |
 | `LOSS_LIMIT` | 单笔最大亏损触发的强平额度（USDT） |
@@ -101,6 +111,36 @@ curl -fsSL https://github.com/discountry/ritmex-bot/raw/refs/heads/main/setup.sh
 3. 根据交易对调整 `TRADE_SYMBOL`、`PRICE_TICK`、`QTY_STEP` 等精度参数。
 4. 一键脚本会自动写入这些变量，手动部署时需自行维护。

+### StandX
+
+* [StandX 做市策略教程](docs/standx/maker-points-guide.md)
+
+策略需要 StandX 的 API Token 和签名私钥才能下单。
+
+**获取方式（使用 StandX 官方 API 生成功能）：**
+1. 打开 StandX 官方 API 创建页面：https://standx.com/user/session
+2. 连接钱包并登录
+3. 点击 **"Generate API Token"** 按钮
+4. 页面会显示以下信息：
+   - **Token**（以 `eyJ` 开头的 JWT 字符串）→ 填入 `STANDX_TOKEN`
+   - **Ed25519 Private Key**（Base58 格式私钥，类似 `HdsyJD7oWgT...`）→ 填入 `STANDX_REQUEST_PRIVATE_KEY`
+   - **创建日期** 和 **有效期天数** → 用于配置 Token 过期提醒
+
+> Ed25519 Private Key 是系统自动生成的签名私钥，仅用于交易请求签名，你的资产仍在主钱包中，非常安全。
+
+请妥善保存这些凭证，不要分享给他人。
+
+**配置步骤：**
+1. 设置 `EXCHANGE=standx`。
+2. 填写 `STANDX_TOKEN`（Perps API 的 JWT Token）。
+3. 填写 `STANDX_REQUEST_PRIVATE_KEY`（Ed25519 签名私钥，Base58 格式）。
+4. 设置 `STANDX_SYMBOL`（默认 `BTC-USD`），并校准 `PRICE_TICK` / `QTY_STEP`。
+5. 推荐配置 Token 过期时间：
+   - `STANDX_TOKEN_CREATE_DATE`（创建日期，格式 `YYYY-MM-DD`）
+   - `STANDX_TOKEN_VALIDITY_DAYS`（有效期天数）
+6. 可选：`STANDX_BASE_URL`、`STANDX_WS_URL`、`STANDX_SESSION_ID` 用于自定义环境。
+
+
 ### GRVT
 1. 在 `.env` 中设置 `EXCHANGE=grvt`。
 2. 填写 `GRVT_API_KEY`、`GRVT_API_SECRET`、`GRVT_SUB_ACCOUNT_ID`。
@@ -125,6 +165,13 @@ curl -fsSL https://github.com/discountry/ritmex-bot/raw/refs/heads/main/setup.sh
 3. 默认连接主网，若需测试网，将 `PARADEX_SANDBOX=true` 并根据需要调整 `PARADEX_SYMBOL`。
 4. 复杂环境可额外设置 `PARADEX_USE_PRO`、`PARADEX_RECONNECT_DELAY_MS` 或调试开关。

+### Nado
+1. 设置 `EXCHANGE=nado`。
+2. 在 Nado 官网（交易界面）打开开发者工具（F12）→ 切换到 `Application` → `Local Storage`，找到 `nado.userSettings`，在其内容中取出 `privateKey` 字段并填入 `.env` 的 `NADO_SIGNER_PRIVATE_KEY`。
+3. 提供 `NADO_SUBACCOUNT_OWNER`（或 `NADO_EVM_ADDRESS`）。
+4. 选择网络 `NADO_ENV=inkMainnet`（主网）或 `inkTestnet`（测试网）。
+5. 设置交易品种 `NADO_SYMBOL`（交易对格式类似 `BTC-PERP`；也支持输入 `BTCUSDT0`，会自动映射为 `BTC-PERP`）。
+
 ## 命令速查
 ```bash
 bun run index.ts   # 启动 CLI（默认入口）
@@ -1,18 +1,25 @@
 # ritmex-bot

+**Language Setting**: Set `LANG=en` in your `.env` file to display the CLI interface in English.
+
 A Bun-powered multi-exchange perpetuals workstation that ships an SMA30 trend engine, a Guardian stop sentinel, and two market-making modes. It offers instant restarts, realtime market data, structured logging, and an Ink-based CLI dashboard.

-* [Aster referral (30% fee discount)](https://www.asterdex.com/en/referral/4665f3)
+If you'd like to support this project and get fee discounts, please consider using these referral links:
+
+* [Lighter referral link](https://app.lighter.xyz/?referral=111909FA)
+* [Aster referral link](https://www.asterdex.com/en/referral/4665f3)
+* [StandX referral link](https://standx.com/referral?code=xingxingjun)
 * [Binance referral link](https://www.binance.com/join?ref=KNKCA9XC)
 * [GRVT referral link](https://grvt.io/exchange/sign-up?ref=sea)
+* [Nado referral link](https://app.nado.xyz?join=LKbIUs5)
 * [Backpack referral link](https://backpack.exchange/join/ritmex)
 * [edgex referral link](https://pro.edgex.exchange/referral/BULL)
 * [Paradex referral link](https://paradex.io/ref/xingxingjun)
-* [Apex referral link](https://join.omni.apex.exchange/RITHMEX)
+* [Apex referral link](https://join.omni.apex.exchange/SEA)

 ## Documentation Map
- [中文 README](README.md)
 - [Beginner-friendly Quick Start](simple-readme.md)
+- [Grid Trading Strategy Guide](grid-trading.md)

 ## Highlights
 - **Live data & risk sync** via websockets with REST fallbacks and full reconciliation on restart.
@@ -25,13 +32,15 @@ A Bun-powered multi-exchange perpetuals workstation that ships an SMA30 trend en
 | Exchange | Contract Type | Required Environment Variables | Notes |
 | --- | --- | --- | --- |
 | Aster | USDT perpetuals | `ASTER_API_KEY`, `ASTER_API_SECRET` | Default venue; works with the bootstrap script |
+| StandX | USD perpetuals | `STANDX_TOKEN` | Uses JWT token auth; prefer websocket streams |
 | GRVT | USDT perpetuals | `GRVT_API_KEY`, `GRVT_API_SECRET`, `GRVT_SUB_ACCOUNT_ID` | Switch `GRVT_ENV` between `prod` and `testnet` |
 | Lighter | zkLighter perpetuals | `LIGHTER_ACCOUNT_INDEX`, `LIGHTER_API_PRIVATE_KEY` | Defaults to `LIGHTER_ENV=testnet` |
 | Backpack | USDC perpetuals | `BACKPACK_API_KEY`, `BACKPACK_API_SECRET`, `BACKPACK_PASSWORD` | Set `BACKPACK_SANDBOX=true` for the sandbox |
 | Paradex | StarkEx perpetuals | `PARADEX_PRIVATE_KEY`, `PARADEX_WALLET_ADDRESS` | Toggle `PARADEX_SANDBOX=true` for the testnet |
+| Nado | USDC perpetuals | `NADO_SIGNER_PRIVATE_KEY`, `NADO_SUBACCOUNT_OWNER` | Switch `NADO_ENV` between `inkMainnet` and `inkTestnet` |

 ## Requirements
- Bun ≥ 1.2 (both `bun` and `bunx` on PATH)
+- Bun >= 1.2 (both `bun` and `bunx` on PATH)
 - macOS, Linux, or Windows via WSL (native Windows works but WSL is recommended)
 - Node.js is optional unless your tooling requires it

@@ -73,7 +82,7 @@ The script installs Bun, project dependencies, collects Aster API credentials, g

 | Variable | Purpose |
 | --- | --- |
-| `EXCHANGE` | Choose the venue (`aster` / `grvt` / `lighter` / `backpack` / `paradex`) |
+| `EXCHANGE` | Choose the venue (`aster` / `standx` / `grvt` / `lighter` / `backpack` / `paradex` / `nado`) |
 | `TRADE_SYMBOL` | Contract symbol (defaults to `BTCUSDT`) |
 | `TRADE_AMOUNT` | Order size in base asset units |
 | `LOSS_LIMIT` | Max per-trade loss in USDT before forced close |
@@ -92,12 +101,42 @@ The script installs Bun, project dependencies, collects Aster API credentials, g
 > ```

 ## Exchange Setup Guides
+
 ### Aster
 1. Keep `EXCHANGE=aster` (default value).
 2. Supply `ASTER_API_KEY` and `ASTER_API_SECRET`.
 3. Adjust `TRADE_SYMBOL`, `PRICE_TICK`, and `QTY_STEP` to match the requested market.
 4. The bootstrap script auto-populates these variables; manual installs must maintain them.

+### StandX
+
+* [StandX Maker Points Strategy Guide](docs/standx/maker-points-guide.md)
+
+The strategy requires a StandX API Token and signing private key to place orders.
+
+**How to obtain (using StandX's official API generation feature):**
+1. Open the StandX official API creation page: https://standx.com/user/session
+2. Connect your wallet and log in
+3. Click the **"Generate API Token"** button
+4. The page will display the following information:
+   - **Token** (JWT string starting with `eyJ`) → Fill in `STANDX_TOKEN`
+   - **Ed25519 Private Key** (Base58 format, like `HdsyJD7oWgT...`) → Fill in `STANDX_REQUEST_PRIVATE_KEY`
+   - **Creation date** and **Validity days** → Used to configure token expiry reminders
+
+> The Ed25519 Private Key is an auto-generated signing key used only for trade request signatures. Your assets remain in your main wallet and are completely safe.
+
+Please keep these credentials safe and do not share them with anyone.
+
+**Configuration steps:**
+1. Set `EXCHANGE=standx`.
+2. Provide `STANDX_TOKEN` (JWT token for perps API).
+3. Provide `STANDX_REQUEST_PRIVATE_KEY` (Ed25519 signing private key, Base58 format).
+4. Set `STANDX_SYMBOL` (defaults to `BTC-USD`) and align `PRICE_TICK` / `QTY_STEP`.
+5. Recommended: configure token expiry settings:
+   - `STANDX_TOKEN_CREATE_DATE` (creation date, format `YYYY-MM-DD`)
+   - `STANDX_TOKEN_VALIDITY_DAYS` (validity days)
+6. Optional: `STANDX_BASE_URL`, `STANDX_WS_URL`, or `STANDX_SESSION_ID` for custom endpoints.
+
 ### GRVT
 1. Set `EXCHANGE=grvt` inside `.env`.
 2. Fill `GRVT_API_KEY`, `GRVT_API_SECRET`, and `GRVT_SUB_ACCOUNT_ID`.
@@ -106,22 +145,29 @@ The script installs Bun, project dependencies, collects Aster API credentials, g

 ### Lighter
 1. Set `EXCHANGE=lighter`.
-2. Provide `LIGHTER_ACCOUNT_INDEX` and `LIGHTER_API_PRIVATE_KEY` (40-byte hex private key).
+2. Provide `LIGHTER_ACCOUNT_INDEX` and `LIGHTER_API_PRIVATE_KEY` (40-byte hex private key). `LIGHTER_ACCOUNT_INDEX` is your account index, which you can find by opening DevTools (F12) on the official website and observing API requests. `LIGHTER_API_PRIVATE_KEY` is your API private key.
 3. Switch `LIGHTER_ENV` to `mainnet`, `staging`, or `dev` when necessary; override `LIGHTER_BASE_URL` if endpoints differ.
 4. `LIGHTER_SYMBOL` defaults to `BTCUSDT`; override price/size decimals when markets differ.

 ### Backpack
 1. Set `EXCHANGE=backpack`.
-2. Populate `BACKPACK_API_KEY`, `BACKPACK_API_SECRET`, and `BACKPACK_PASSWORD`; add `BACKPACK_SUBACCOUNT` if you trade from a subaccount.
+2. Populate `BACKPACK_API_KEY`, `BACKPACK_API_SECRET`, and `BACKPACK_PASSWORD`; add `BACKPACK_SUBACCOUNT` if you trade from a subaccount (defaults to main account ID).
 3. Toggle `BACKPACK_SANDBOX=true` for the sandbox environment and verify `BACKPACK_SYMBOL` matches the contract (defaults to `BTC_USD_PERP`).
 4. Enable `BACKPACK_DEBUG=true` for verbose adapter logging.

 ### Paradex
 1. Set `EXCHANGE=paradex`.
-2. Provide `PARADEX_PRIVATE_KEY` (EVM private key) and `PARADEX_WALLET_ADDRESS`.
+2. Provide `PARADEX_PRIVATE_KEY` (EVM private key) and `PARADEX_WALLET_ADDRESS`. Note: These are your EVM wallet address and private key. It is recommended to create a brand new wallet and avoid storing unrelated assets in it.
 3. The adapter connects to mainnet by default; enable `PARADEX_SANDBOX=true` and adjust `PARADEX_SYMBOL` for testnet usage.
 4. Advanced tuning: use `PARADEX_USE_PRO`, `PARADEX_RECONNECT_DELAY_MS`, or debug flags as needed.

+### Nado
+1. Set `EXCHANGE=nado`.
+2. On the Nado web app (trading interface), open DevTools (F12) -> switch to the `Application` tab -> `Local Storage`, locate `nado.userSettings`, then grab the `privateKey` field from its JSON value and paste it into `.env` as `NADO_SIGNER_PRIVATE_KEY`.
+3. Provide `NADO_SUBACCOUNT_OWNER` (or `NADO_EVM_ADDRESS`).
+4. Select network via `NADO_ENV=inkMainnet` (mainnet) or `inkTestnet` (testnet).
+5. Set `NADO_SYMBOL` using Nado product symbols like `BTC-PERP` (it also accepts `BTCUSDT0` and maps it to `BTC-PERP`).
+
 ## Command Cheatsheet
 ```bash
 bun run index.ts   # Launch the CLI (default entrypoint)
@@ -169,7 +215,7 @@ bun x vitest --watch
 ```

 ## Troubleshooting
- Keep at least 50–100 USDT in the account before deploying a live strategy.
+- Keep at least 50-100 USDT in the account before deploying a live strategy.
 - Configure leverage on the exchange manually (~50x is recommended); the bot will not change it.
 - Ensure your server or workstation clock is in sync to avoid signature errors.
 - Accounts must run in one-way position mode.
@@ -1,168 +1,186 @@
 {
  "lockfileVersion": 1,
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    "estree-walker": ["estree-walker@3.0.3", "", { "dependencies": { "@types/estree": "^1.0.0" } }, "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g=="],

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@@ -300,47 +372,95 @@

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+    "viem/@noble/hashes": ["@noble/hashes@1.8.0", "", {}, "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A=="],

-    "yargs/string-width/is-fullwidth-code-point": ["is-fullwidth-code-point@3.0.0", "", {}, "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg=="],
+    "viem/@scure/bip32": ["@scure/bip32@1.7.0", "", { "dependencies": { "@noble/curves": "~1.9.0", "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-E4FFX/N3f4B80AKWp5dP6ow+flD1LQZo/w8UnLGYZO674jS6YnYeepycOOksv+vLPSpgN35wgKgy+ybfTb2SMw=="],

-    "yargs/string-width/strip-ansi": ["strip-ansi@6.0.1", "", { "dependencies": { "ansi-regex": "^5.0.1" } }, "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A=="],
+    "viem/@scure/bip39": ["@scure/bip39@1.6.0", "", { "dependencies": { "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-+lF0BbLiJNwVlev4eKelw1WWLaiKXw7sSl8T6FvBlWkdX+94aGJ4o8XjUdlyhTCjd8c+B3KT3JfS8P0bLRNU6A=="],

-    "yargs/string-width/strip-ansi/ansi-regex": ["ansi-regex@5.0.1", "", {}, "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="],
+    "viem/ws": ["ws@8.18.3", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg=="],
+
+    "wrap-ansi/string-width": ["string-width@7.2.0", "", { "dependencies": { "emoji-regex": "^10.3.0", "get-east-asian-width": "^1.0.0", "strip-ansi": "^7.1.0" } }, "sha512-tsaTIkKW9b4N+AEj+SVA+WhJzV7/zMhcSu78mLKWSk7cXMOSHsBKFWUs0fWwq8QyK3MgJBQRX6Gbi4kYbdvGkQ=="],
+
+    "browserify-sign/readable-stream/safe-buffer": ["safe-buffer@5.1.2", "", {}, "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="],
+
+    "browserify-sign/readable-stream/string_decoder": ["string_decoder@1.1.1", "", { "dependencies": { "safe-buffer": "~5.1.0" } }, "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg=="],
+
+    "md5.js/hash-base/readable-stream": ["readable-stream@2.3.8", "", { "dependencies": { "core-util-is": "~1.0.0", "inherits": "~2.0.3", "isarray": "~1.0.0", "process-nextick-args": "~2.0.0", "safe-buffer": "~5.1.1", "string_decoder": "~1.1.1", "util-deprecate": "~1.0.1" } }, "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA=="],
+
+    "ox/@scure/bip32/@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
+
+    "ox/@scure/bip39/@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
+
+    "ripemd160/hash-base/readable-stream": ["readable-stream@2.3.8", "", { "dependencies": { "core-util-is": "~1.0.0", "inherits": "~2.0.3", "isarray": "~1.0.0", "process-nextick-args": "~2.0.0", "safe-buffer": "~5.1.1", "string_decoder": "~1.1.1", "util-deprecate": "~1.0.1" } }, "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA=="],
+
+    "viem/@scure/bip32/@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
+
+    "viem/@scure/bip39/@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
+
+    "md5.js/hash-base/readable-stream/safe-buffer": ["safe-buffer@5.1.2", "", {}, "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="],
+
+    "md5.js/hash-base/readable-stream/string_decoder": ["string_decoder@1.1.1", "", { "dependencies": { "safe-buffer": "~5.1.0" } }, "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg=="],
+
+    "ripemd160/hash-base/readable-stream/safe-buffer": ["safe-buffer@5.1.2", "", {}, "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="],
+
+    "ripemd160/hash-base/readable-stream/string_decoder": ["string_decoder@1.1.1", "", { "dependencies": { "safe-buffer": "~5.1.0" } }, "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg=="],
  }
 }
@@ -0,0 +1,785 @@
+2 Signature
+How To Sign Message
+How To GET Your L2 Private Key
+To sign messages on Layer 2, you need to obtain your L2 private key. This key is used to generate signatures that authorize various actions on the platform.
+
+
+How To GET Your L2 Private Key
+Warning: Keep your private key secure and never share it with anyone. Anyone with access to your private key can sign messages on your behalf.
+
+Signature Algorithm
+The signature algorithm used is Ecdsa (Elliptic Curve Digital Signature Algorithm). This algorithm ensures that signatures are secure and verifiable.
+
+L2Signature for Operations (e.g., Order, Transfer, Withdraw): This will use Pedersen hash for signing. However, this hash computation will consume significantly more CPU resources.
+
+<!-- logo -->
+<h1 align='center'>StarkWare Crypto Utils</h1>
+
+<!-- tag line -->
+<h4 align='center'> Signatures, keys and Pedersen hash on STARK friendly elliptic curve</h4>
+
+<!-- primary badges -->
+<p align="center">
+  <a href="https://www.w3schools.com/js/">
+    <img src='https://badges.aleen42.com/src/javascript.svg' />
+  </a> 
+  <a href="https://www.npmjs.com/package/@starkware-industries/starkware-crypto-utils">
+    <img src='https://img.shields.io/npm/v/@starkware-industries/starkware-crypto-utils?label=npm' />
+  </a>
+  <a href="https://starkware.co/">
+    <img src="https://img.shields.io/badge/powered_by-StarkWare-navy">
+  </a>
+</p>
+
+## Installation
+
+```bash
+// using npm
+npm i @starkware-industries/starkware-crypto-utils
+
+// using yarn
+yarn add @starkware-industries/starkware-crypto-utils
+```
+
+## How to use it
+
+```js
+const starkwareCrypto = require('@starkware-industries/starkware-crypto-utils');
+```
+
+## API
+
+```javascript
+
+{
+    prime,
+    ec: starkEc,
+    constantPoints,
+    shiftPoint,
+    maxEcdsaVal, // Data.
+    pedersen,
+    getLimitOrderMsgHash,
+    getTransferMsgHash,
+    sign,
+    verify,
+    assertInRange,
+    getTransferMsgHashWithFee,
+    getLimitOrderMsgHashWithFee // Function.
+
+    asset: {
+      getAssetType,
+      getAssetId // Function.
+    },
+
+    keyDerivation: {
+      StarkExEc: ec.n, // Data.
+      getPrivateKeyFromEthSignature,
+      privateToStarkKey,
+      getKeyPairFromPath,
+      getAccountPath,
+      grindKey // Function.
+    },
+
+    messageUtils: {
+      assertInRange // Function.
+    }
+}
+```
+
+## Usage
+
+### Signing a StarkEx order
+
+```javascript
+const starkwareCrypto = require('@starkware-libs/starkware-crypto-utils');
+const testData = require('test/config/signature_test_data.json');
+
+const privateKey = testData.meta_data.party_a_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) ===
+    testData.settlement.party_a_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.settlement.party_a_order.public_key.substring(2)}`
+);
+
+const {party_a_order: partyAOrder} = testData.settlement;
+const msgHash = starkwareCrypto.getLimitOrderMsgHash(
+  partyAOrder.vault_id_sell, // - vault_sell (uint31)
+  partyAOrder.vault_id_buy, // - vault_buy (uint31)
+  partyAOrder.amount_sell, // - amount_sell (uint63 decimal str)
+  partyAOrder.amount_buy, // - amount_buy (uint63 decimal str)
+  partyAOrder.token_sell, // - token_sell (hex str with 0x prefix < prime)
+  partyAOrder.token_buy, // - token_buy (hex str with 0x prefix < prime)
+  partyAOrder.nonce, // - nonce (uint31)
+  partyAOrder.expiration_timestamp // - expiration_timestamp (uint22)
+);
+
+assert(
+  msgHash === testData.meta_data.party_a_order.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.party_a_order.message_hash.substring(2)
+);
+
+const msgSignature = starkwareCrypto.sign(keyPair, msgHash);
+const {r, s} = msgSignature;
+
+assert(starkwareCrypto.verify(publicKey, msgHash, msgSignature));
+assert(
+  r.toString(16) === partyAOrder.signature.r.substring(2),
+  `Got: ${r.toString(16)}. Expected: ${partyAOrder.signature.r.substring(2)}`
+);
+assert(
+  s.toString(16) === partyAOrder.signature.s.substring(2),
+  `Got: ${s.toString(16)}. Expected: ${partyAOrder.signature.s.substring(2)}`
+);
+
+// The following is the JSON representation of an order:
+console.log('Order JSON representation: ');
+console.log(partyAOrder);
+console.log('\n');
+```
+
+### StarkEx key serialization
+
+```javascript
+const starkwareCrypto = require('@starkware-libs/starkware-crypto-utils');
+
+const pubXStr = publicKey.pub.getX().toString('hex');
+const pubYStr = publicKey.pub.getY().toString('hex');
+
+// Verify Deserialization.
+const pubKeyDeserialized = starkwareCrypto.ec.keyFromPublic(
+  {x: pubXStr, y: pubYStr},
+  'hex'
+);
+assert(starkwareCrypto.verify(pubKeyDeserialized, msgHash, msgSignature));
+```
+
+### Signing a StarkEx order with fee
+
+```javascript
+const privateKey = testData.meta_data.party_a_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) ===
+    testData.settlement.party_a_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.settlement.party_a_order.public_key.substring(2)}`
+);
+
+const {party_a_order: partyAOrder} = testData.settlement;
+const feeInfo = testData.fee_info_user;
+const msgHash = starkwareCrypto.getLimitOrderMsgHashWithFee(
+  partyAOrder.vault_id_sell, // - vault_sell (uint64)
+  partyAOrder.vault_id_buy, // - vault_buy (uint64)
+  partyAOrder.amount_sell, // - amount_sell (uint63 decimal str)
+  partyAOrder.amount_buy, // - amount_buy (uint63 decimal str)
+  partyAOrder.token_sell, // - token_sell (hex str with 0x prefix < prime)
+  partyAOrder.token_buy, // - token_buy (hex str with 0x prefix < prime)
+  partyAOrder.nonce, // - nonce (uint31)
+  partyAOrder.expiration_timestamp, // - expiration_timestamp (uint22)
+  feeInfo.token_id, // - token (hex str with 0x prefix < prime)
+  feeInfo.source_vault_id, // - fee_source_vault_id (uint31)
+  feeInfo.fee_limit // - amount (uint63 decimal str)
+);
+
+assert(
+  msgHash ===
+    testData.meta_data.party_a_order_with_fee.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.party_a_order_with_fee.message_hash.substring(2)
+);
+
+// The following is the JSON representation of an order:
+console.log('Order With Fee JSON representation: ');
+// Fee info is added to the order, and will be also be seen in the JSON of Settlement.
+partyAOrder.fee_info = feeInfo; // eslint-disable-line
+console.log(partyAOrder);
+console.log('\n');
+```
+
+### StarkEx transfer
+
+```javascript
+const starkwareCrypto = require('@starkware-libs/starkware-crypto-utils');
+const testData = require('test/config/signature_test_data.json');
+
+const privateKey = testData.meta_data.transfer_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) === testData.transfer_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+            Expected: ${testData.transfer_order.public_key.substring(2)}`
+);
+
+const transfer = testData.transfer_order;
+const msgHash = starkwareCrypto.getTransferMsgHash(
+  transfer.amount, // - amount (uint63 decimal str)
+  transfer.nonce, // - nonce (uint31)
+  transfer.sender_vault_id, // - sender_vault_id (uint31)
+  transfer.token, // - token (hex str with 0x prefix < prime)
+  transfer.target_vault_id, // - target_vault_id (uint31)
+  transfer.target_public_key, // - target_public_key (hex str with 0x prefix < prime)
+  transfer.expiration_timestamp // - expiration_timestamp (uint22)
+);
+
+assert(
+  msgHash === testData.meta_data.transfer_order.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.transfer_order.message_hash.substring(2)
+);
+
+// The following is the JSON representation of a transfer:
+console.log('Transfer JSON representation: ');
+console.log(transfer);
+console.log('\n');
+```
+
+### StarkEx conditional transfer
+
+```javascript
+const starkwareCrypto = require('@starkware-libs/starkware-crypto-utils');
+const testData = require('test/config/signature_test_data.json');
+
+const privateKey =
+  testData.meta_data.conditional_transfer_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) ===
+    testData.conditional_transfer_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.conditional_transfer_order.public_key.substring(
+          2
+        )}`
+);
+
+const transfer = testData.conditional_transfer_order;
+const msgHash = starkwareCrypto.getTransferMsgHash(
+  transfer.amount, // - amount (uint63 decimal str)
+  transfer.nonce, // - nonce (uint31)
+  transfer.sender_vault_id, // - sender_vault_id (uint31)
+  transfer.token, // - token (hex str with 0x prefix < prime)
+  transfer.target_vault_id, // - target_vault_id (uint31)
+  transfer.target_public_key, // - target_public_key (hex str with 0x prefix < prime)
+  transfer.expiration_timestamp, // - expiration_timestamp (uint22)
+  transfer.condition // - condition (hex str with 0x prefix < prime)
+);
+
+assert(
+  msgHash ===
+    testData.meta_data.conditional_transfer_order.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.conditional_transfer_order.message_hash.substring(2)
+);
+
+// The following is the JSON representation of a transfer:
+console.log('Conditional Transfer JSON representation: ');
+console.log(transfer);
+console.log('\n');
+```
+
+### StarkEx transfer with fee
+
+```javascript
+const privateKey = testData.meta_data.transfer_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) === testData.transfer_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.transfer_order.public_key.substring(2)}`
+);
+
+const transfer = testData.transfer_order;
+const feeInfo = testData.fee_info_user;
+const msgHash = starkwareCrypto.getTransferMsgHashWithFee(
+  transfer.amount, // - amount (uint63 decimal str)
+  transfer.nonce, // - nonce (uint31)
+  transfer.sender_vault_id, // - sender_vault_id (uint64)
+  transfer.token, // - token (hex str with 0x prefix < prime)
+  transfer.target_vault_id, // - target_vault_id (uint64)
+  transfer.target_public_key, // - target_public_key (hex str with 0x prefix < prime)
+  transfer.expiration_timestamp, // - expiration_timestamp (uint22)
+  feeInfo.token_id, // - token (hex str with 0x prefix < prime)
+  feeInfo.source_vault_id, // - fee_source_vault_id (uint64)
+  feeInfo.fee_limit // - amount (uint63 decimal str)
+);
+
+assert(
+  msgHash ===
+    testData.meta_data.transfer_order_with_fee.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.transfer_order.message_hash.substring(2)
+);
+
+// The following is the JSON representation of a transfer:
+console.log('Transfer With Fee JSON representation: ');
+console.log(transfer);
+console.log('\n');
+```
+
+### StarkEx conditional Transfer with fee
+
+```javascript
+const privateKey =
+  testData.meta_data.conditional_transfer_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) ===
+    testData.conditional_transfer_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.conditional_transfer_order.public_key.substring(
+          2
+        )}`
+);
+
+const transfer = testData.conditional_transfer_order;
+const feeInfo = testData.fee_info_user;
+const msgHash = starkwareCrypto.getTransferMsgHashWithFee(
+  transfer.amount, // - amount (uint63 decimal str)
+  transfer.nonce, // - nonce (uint31)
+  transfer.sender_vault_id, // - sender_vault_id (uint64)
+  transfer.token, // - token (hex str with 0x prefix < prime)
+  transfer.target_vault_id, // - target_vault_id (uint64)
+  transfer.target_public_key, // - target_public_key (hex str with 0x prefix < prime)
+  transfer.expiration_timestamp, // - expiration_timestamp (uint22)
+  feeInfo.token_id, // - token (hex str with 0x prefix < prime)
+  feeInfo.source_vault_id, // - fee_source_vault_id (uint64)
+  feeInfo.fee_limit, // - amount (uint63 decimal str)
+  transfer.condition // - condition (hex str with 0x prefix < prime)
+);
+
+assert(
+  msgHash ===
+    testData.meta_data.conditional_transfer_order_with_fee.message_hash.substring(
+      2
+    ),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.conditional_transfer_order.message_hash.substring(2)
+);
+
+// The following is the JSON representation of a transfer:
+console.log('Conditional Transfer With Fee JSON representation: ');
+console.log(transfer);
+console.log('\n');
+```
+
+### Adding a matching order to create a settlement
+
+```javascript
+const starkwareCrypto = require('@starkware-libs/starkware-crypto-utils');
+const testData = require('test/config/signature_test_data.json');
+
+const privateKey = testData.meta_data.party_b_order.private_key.substring(2);
+const keyPair = starkwareCrypto.ec.keyFromPrivate(privateKey, 'hex');
+const publicKey = starkwareCrypto.ec.keyFromPublic(
+  keyPair.getPublic(true, 'hex'),
+  'hex'
+);
+const publicKeyX = publicKey.pub.getX();
+
+assert(
+  publicKeyX.toString(16) ===
+    testData.settlement.party_b_order.public_key.substring(2),
+  `Got: ${publicKeyX.toString(16)}.
+        Expected: ${testData.settlement.party_b_order.public_key.substring(2)}`
+);
+
+const {party_b_order: partyBOrder} = testData.settlement;
+const msgHash = starkwareCrypto.getLimitOrderMsgHash(
+  partyBOrder.vault_id_sell, // - vault_sell (uint31)
+  partyBOrder.vault_id_buy, // - vault_buy (uint31)
+  partyBOrder.amount_sell, // - amount_sell (uint63 decimal str)
+  partyBOrder.amount_buy, // - amount_buy (uint63 decimal str)
+  partyBOrder.token_sell, // - token_sell (hex str with 0x prefix < prime)
+  partyBOrder.token_buy, // - token_buy (hex str with 0x prefix < prime)
+  partyBOrder.nonce, // - nonce (uint31)
+  partyBOrder.expiration_timestamp // - expiration_timestamp (uint22)
+);
+
+assert(
+  msgHash === testData.meta_data.party_b_order.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.party_b_order.message_hash.substring(2)
+);
+
+const msgSignature = starkwareCrypto.sign(keyPair, msgHash);
+const {r, s} = msgSignature;
+
+assert(starkwareCrypto.verify(publicKey, msgHash, msgSignature));
+assert(
+  r.toString(16) === partyBOrder.signature.r.substring(2),
+  `Got: ${r.toString(16)}. Expected: ${partyBOrder.signature.r.substring(2)}`
+);
+assert(
+  s.toString(16) === partyBOrder.signature.s.substring(2),
+  `Got: ${s.toString(16)}. Expected: ${partyBOrder.signature.s.substring(2)}`
+);
+
+// The following is the JSON representation of a settlement:
+console.log('Settlement JSON representation: ');
+console.log(testData.settlement);
+```
+
+## Valid transfer with sender_vault_id=2\*\*63+10
+
+```javascript
+const transfer = testData.transfer_order_2nd_valid_range;
+const feeInfo = testData.fee_info_user;
+
+const msgHash = starkwareCrypto.getTransferMsgHashWithFee(
+  transfer.amount, // - amount (uint63 decimal str)
+  transfer.nonce, // - nonce (uint31)
+  transfer.sender_vault_id, // - sender_vault_id (uint64)
+  transfer.token, // - token (hex str with 0x prefix < prime)
+  transfer.target_vault_id, // - target_vault_id (uint64)
+  transfer.target_public_key, // - target_public_key (hex str with 0x prefix < prime)
+  transfer.expiration_timestamp, // - expiration_timestamp (uint22)
+  feeInfo.token_id, // - token (hex str with 0x prefix < prime)
+  feeInfo.source_vault_id, // - fee_source_vault_id (uint64)
+  feeInfo.fee_limit, // - amount (uint63 decimal str)
+  transfer.condition // - condition (hex str with 0x prefix < prime)
+);
+
+assert(
+  msgHash ===
+    testData.meta_data.transfer_order_2nd_valid_range.message_hash.substring(2),
+  `Got: ${msgHash}. Expected: ` +
+    testData.meta_data.transfer_order_2nd_valid_range.message_hash.substring(2)
+);
+
+// The following is the JSON representation of a transfer with sender_vault_id in the second
+// valid range:
+console.log('Transfer JSON representation: ');
+console.log(transfer);
+console.log('\n');
+```
+
+## License
+
+[Apache License 2.0](LICENSE.md)
+
+Java L2Signature Demo
+Below is a Java implementation of the Ecdsa signature algorithm. This example demonstrates how to sign a message using a private key.
+
+Copy
+
+    public static CreateOrderRequest signOrder(
+            CreateOrderRequest request,
+            Contract contract,
+            Coin quotelCoin,
+            PrivateKey privateKey) {
+        BigInteger msgHash = L2SignUtil.hashLimitOrder(
+                request.getSide() == OrderSide.BUY,
+                BigIntUtil.toBigInt(quotelCoin.getStarkExAssetId()),
+                BigIntUtil.toBigInt(contract.getStarkExSyntheticAssetId()),
+                BigIntUtil.toBigInt(quotelCoin.getStarkExAssetId()),
+                UnsignedLong.valueOf(new BigDecimal(request.getL2Value())
+                        .multiply(new BigDecimal(BigIntUtil.toBigInt(quotelCoin.getStarkExResolution())))
+                        .toBigIntegerExact()),
+                UnsignedLong.valueOf(new BigDecimal(request.getL2Size())
+                        .multiply(new BigDecimal(BigIntUtil.toBigInt(contract.getStarkExResolution())))
+                        .toBigIntegerExact()),
+                UnsignedLong.valueOf(new BigDecimal(request.getL2LimitFee())
+                        .multiply(new BigDecimal(BigIntUtil.toBigInt(quotelCoin.getStarkExResolution())))
+                        .toBigIntegerExact()),
+                UnsignedLong.fromLongBits(request.getAccountId()),
+                UnsignedInteger.valueOf(request.getL2Nonce()),
+                UnsignedInteger.valueOf(request.getL2ExpireTime() / (60 * 60 * 1000L)));
+        Signature signature = Ecdsa.sign(msgHash, privateKey);
+        return request.toBuilder()
+                .setL2Signature(L2Signature.newBuilder()
+                        .setR(BigIntUtil.toHexStr(signature.r))
+                        .setS(BigIntUtil.toHexStr(signature.s))
+                        .build())
+                .build();
+    }
+
+    public static BigInteger hashLimitOrder(
+            boolean isBuyingSynthetic,
+            BigInteger assetIdCollateral,
+            BigInteger assetIdSynthetic,
+            BigInteger assetIdFee,
+            UnsignedLong amountCollateral,
+            UnsignedLong amountSynthetic,
+            UnsignedLong maxAmountFee,
+            UnsignedLong positionId,
+            UnsignedInteger nonce,
+            UnsignedInteger expirationTimestamp) {
+        BigInteger assetIdSell;
+        BigInteger assetIdBuy;
+        UnsignedLong amountSell;
+        UnsignedLong amountBuy;
+        if (isBuyingSynthetic) {
+            assetIdSell = assetIdCollateral;
+            assetIdBuy = assetIdSynthetic;
+            amountSell = amountCollateral;
+            amountBuy = amountSynthetic;
+        } else {
+            assetIdSell = assetIdSynthetic;
+            assetIdBuy = assetIdCollateral;
+            amountSell = amountSynthetic;
+            amountBuy = amountCollateral;
+        }
+        BigInteger packedMessage0 = amountSell.bigIntegerValue();
+        packedMessage0 = packedMessage0.shiftLeft(64).add(amountBuy.bigIntegerValue());
+        packedMessage0 = packedMessage0.shiftLeft(64).add(maxAmountFee.bigIntegerValue());
+        packedMessage0 = packedMessage0.shiftLeft(32).add(nonce.bigIntegerValue());
+
+        BigInteger packedMessage1 = BigInteger.valueOf(3);
+        packedMessage1 = packedMessage1.shiftLeft(64).add(positionId.bigIntegerValue());
+        packedMessage1 = packedMessage1.shiftLeft(64).add(positionId.bigIntegerValue());
+        packedMessage1 = packedMessage1.shiftLeft(64).add(positionId.bigIntegerValue());
+        packedMessage1 = packedMessage1.shiftLeft(32).add(expirationTimestamp.bigIntegerValue());
+        packedMessage1 = packedMessage1.shiftLeft(17);
+
+        BigInteger msg = pedersenHash(assetIdSell, assetIdBuy);
+        msg = pedersenHash(msg, assetIdFee);
+        msg = pedersenHash(msg, packedMessage0);
+        msg = pedersenHash(msg, packedMessage1);
+        return msg;
+    }
+
+    public static BigInteger pedersenHash(BigInteger... input) {
+        BigInteger[][] points = PEDERSEN_POINTS;
+        Point shiftPoint = new Point(points[0][0], points[0][1]);
+        for (int i = 0; i < input.length; i++) {
+            BigInteger x = input[i];
+            for (int j = 0; j < 252; j++) {
+                int pos = 2 + i * 252 + j;
+                Point pt = new Point(points[pos][0], points[pos][1]);
+                if (x.and(BigInteger.ONE).intValue() != 0) {
+                    shiftPoint = EcMath.add(shiftPoint, pt, Curve.secp256k1.A, Curve.secp256k1.P);
+                }
+                x = x.shiftRight(1);
+            }
+        }
+        return shiftPoint.x;
+    }
+
+    public static Signature sign(BigInteger msgHash, PrivateKey privateKey) {
+        Curve curve = privateKey.curve;
+        BigInteger randNum = new BigInteger(curve.N.toByteArray().length * 8 - 1, new SecureRandom()).abs().add(BigInteger.ONE);
+        Point randomSignPoint = EcMath.multiply(curve.G, randNum, curve.N, curve.A, curve.P);
+        BigInteger r = randomSignPoint.x.mod(curve.N);
+        BigInteger s = ((msgHash.add(r.multiply(privateKey.secret))).multiply(EcMath.inv(randNum, curve.N))).mod(curve.N);
+        return Signature.create(r, s);
+    }
+Signature Construction Guide
+This section provides detailed instructions on constructing signatures for various actions on the platform.
+
+Withdrawal Signature
+Used to authorize withdrawing assets from Layer 2 to an Ethereum address.
+
+Parameters
+assetIdCollateral - Asset ID for the collateral token from meta_data.coinList.starkExAssetId
+
+positionId - User's account ID in Layer 2
+
+ethAddress - Destination Ethereum address for withdrawal
+
+nonce - Unique transaction identifier to prevent replay attacks
+
+expirationTimestamp - Unix timestamp when signature expires
+
+amount - Amount to withdraw in base units
+
+Calculation
+The following TypeScript function constructs the withdrawal message for signing:
+
+Copy
+// Construct withdrawal message for signing
+function getWithdrawalToAddressMsg({
+  assetIdCollateral,
+  positionId,
+  ethAddress, 
+  nonce,
+  expirationTimestamp,
+  amount
+}) {
+  // Pack parameters into 256-bit words
+  const w1 = assetIdCollateral;
+  let w5 = BigInt(withdrawalToAddress); // Constant identifier
+  w5 = (w5 << 64) + BigInt(positionId);
+  w5 = (w5 << 32) + BigInt(nonce); 
+  w5 = (w5 << 64) + BigInt(amount);
+  w5 = (w5 << 32) + BigInt(expirationTimestamp);
+  w5 = w5 << 49;
+
+  // Calculate Pedersen hash
+  return pedersen([
+    pedersen([w1, ethAddress]),
+    w5.toString(16)
+  ]);
+}
+Limit Order Signature
+Used to authorize a limit order for perpetual trading.
+
+Parameters
+assetIdSynthetic - Synthetic asset ID from meta_data.contractList.starkExSyntheticAssetId
+
+assetIdCollateral - Collateral asset ID from meta_data.coinList.starkExAssetId
+
+isBuyingSynthetic - true for buy orders, false for sell orders
+
+assetIdFee - Fee token asset ID from meta_data.coinList.starkExAssetId
+
+amountSynthetic - Amount of synthetic asset
+
+amountCollateral - Amount of collateral asset
+
+maxAmountFee - Maximum fee amount allowed
+
+nonce - Unique order identifier
+
+positionId - User's position ID
+
+expirationTimestamp - Unix timestamp when order expires
+
+Calculation
+The following TypeScript function constructs the limit order message for signing:
+
+Copy
+function getLimitOrderMsg({
+  assetIdSynthetic,
+  assetIdCollateral,
+  isBuyingSynthetic,
+  assetIdFee,
+  amountSynthetic,
+  amountCollateral,
+  maxAmountFee,
+  nonce,
+  positionId,
+  expirationTimestamp
+}) {
+  // Determine sell/buy assets based on order side
+  const [assetIdSell, assetIdBuy] = isBuyingSynthetic 
+    ? [assetIdCollateral, assetIdSynthetic]
+    : [assetIdSynthetic, assetIdCollateral];
+  const [amountSell, amountBuy] = isBuyingSynthetic
+    ? [amountCollateral, amountSynthetic] 
+    : [amountSynthetic, amountCollateral];
+
+  // Pack order data into 256-bit words
+  const w1 = assetIdSell;
+  const w2 = assetIdBuy;
+  const w3 = assetIdFee;
+
+  // Calculate message hash
+  let msg = pedersen([w1, w2]);
+  msg = pedersen([msg, w3]);
+
+  let w4 = BigInt(amountSell);
+  w4 = (w4 << 64) + BigInt(amountBuy);
+  w4 = (w4 << 64) + BigInt(maxAmountFee);
+  w4 = (w4 << 32) + BigInt(nonce);
+  msg = pedersen([msg, w4.toString(16)]);
+
+  let w5 = BigInt(limitOrderWithFees); // Constant identifier
+  w5 = (w5 << 64) + BigInt(positionId);
+  w5 = (w5 << 64) + BigInt(positionId);
+  w5 = (w5 << 64) + BigInt(positionId);
+  w5 = (w5 << 32) + BigInt(expirationTimestamp);
+  w5 = w5 << 17;
+
+  return pedersen([msg, w5.toString(16)]);
+}
+Transfer Signature
+Used to authorize transfers between Layer 2 accounts.
+
+Parameters
+assetId - Asset ID being transferred
+
+receiverPublicKey - Recipient's public key
+
+senderPositionId - Sender's position ID
+
+receiverPositionId - Recipient's position ID
+
+srcFeePositionId - Fee source position ID
+
+nonce - Unique transfer identifier
+
+amount - Transfer amount
+
+expirationTimestamp - Unix timestamp when transfer expires
+
+assetIdFee - Fee token asset ID (optional, default '0')
+
+maxAmountFee - Maximum fee amount (optional, default '0')
+
+Calculation
+The following TypeScript function constructs the transfer message for signing:
+
+Copy
+function getTransferMsg({
+  assetId,
+  receiverPublicKey,
+  senderPositionId,
+  receiverPositionId,
+  srcFeePositionId,
+  nonce,
+  amount,
+  expirationTimestamp,
+  assetIdFee = '0',
+  maxAmountFee = '0'
+}) {
+  // Pack transfer data into 256-bit words
+  const w1 = assetId;
+  const w2 = assetIdFee;
+  const w3 = receiverPublicKey;
+
+  let w4 = BigInt(senderPositionId);
+  w4 = (w4 << 64) + BigInt(receiverPositionId);
+  w4 = (w4 << 64) + BigInt(srcFeePositionId); 
+  w4 = (w4 << 32) + BigInt(nonce);
+
+  let w5 = BigInt(transfer); // Constant identifier
+  w5 = (w5 << 64) + BigInt(amount);
+  w5 = (w5 << 64) + BigInt(maxAmountFee);
+  w5 = (w5 << 32) + BigInt(expirationTimestamp);
+  w5 = w5 << 81;
+
+  // Calculate message hash
+  let msg = pedersen([w1, w2]);
+  msg = pedersen([msg, w3]);
+  msg = pedersen([msg, w4.toString(16)]);
+  return pedersen([msg, w5.toString(16)]);
+}
+For more details on the signature construction, see the StarkEx documentation.
@@ -0,0 +1,172 @@
+Authentication
+Authentication is crucial for ensuring that only authorized users can access private APIs. This document outlines the authentication mechanisms used for public and private APIs.
+
+Public API
+Public APIs do not require authentication. These interfaces are accessible to anyone without the need for any credentials.
+
+Copy
+No authentication is required for public interfaces.
+Private API
+Private APIs require authentication to ensure that only authorized users can access them. Authentication is achieved using custom headers that include a timestamp and a signature.
+
+Auth Header
+The following headers must be included in the request to authenticate access to private APIs:
+
+Name
+Location
+Type
+Required
+Description
+X-edgeX-Api-Timestamp
+
+header
+
+string
+
+must
+
+The timestamp when the request was made. This helps prevent replay attacks.
+
+X-edgeX-Api-Signature
+
+header
+
+string
+
+must
+
+The signature generated using the private key and request details.
+
+CURL Examble
+Copy
+curl --location --request GET 'https://pro.edgex.exchange/api/v1/private/account/getPositionTransactionPage?filterTypeList=SETTLE_FUNDING_FEE&size=10&accountId=544159487963955214' \
+--header 'X-edgeX-Api-Signature: 06d28020763542c0afc296dc8743797c6fda8ea9727745b57b671f70326dfed6077cd******************************aff3162e39d05d9df1c3ddf9648650382d6e62ff1076b14c0e6c687088d3917d8490e5412a080a6e9ea940c720ddd' \
+--header 'X-edgeX-Api-Timestamp: 1736313025024'
+Signature Elements
+The signature is generated using the following elements:
+
+Signature Element
+
+Description
+
+X-edgeX-Api-Timestamp
+
+The timestamp when the request was made. This is retrieved from the request header.
+
+Request Method (Uppercase)
+
+The HTTP method of the request, converted to uppercase (e.g., GET, POST).
+
+Request Path
+
+The URI path of the request (e.g., /api/v1/resource).
+
+Request Parameter/Body
+
+The query parameters or request body, sorted alphabetically.
+
+Request Parameter To Signature Content
+The request parameters are concatenated into a single string that forms the signature content. This string includes the timestamp, HTTP method, request path, and sorted query parameters or request body, ensuring the integrity and authenticity of the request.
+
+For example, the following request parameters are concatenated into a single string:
+
+1735542383256GET/api/v1/private/account/getPositionTransactionPageaccountId=543429922991899150&filterTypeList=SETTLE_FUNDING_FEE&size=10
+
+Generate Signature Java Example
+Below is a Java implementation of the Ecdsa signature algorithm. This example demonstrates how to sign a message using a private key.
+
+Private API Auth Signature: This is used for authentication. We do not want the hash computation to consume excessive CPU resources. Therefore, this will use SHA3 to hash the request body string before signing.
+
+Copy
+import java.math.BigInteger;
+import org.web3j.abi.TypeEncoder;
+import org.web3j.abi.datatypes.Utf8String;
+import org.web3j.abi.datatypes.generated.Uint256;
+import org.web3j.crypto.Hash;
+import org.web3j.utils.Numeric;
+
+public class EcdsaSignatureDemo {
+    public static final BigInteger K_MODULUS = Numeric
+            .toBigInt("0x0800000000000010ffffffffffffffffb781126dcae7b2321e66a241adc64d2f");
+
+    public static void main(String[] args) {
+        String privateKeyHex = "0463ac809cc7d7c1baf*********************baff9fc6e3d8e5b160ea3fc";
+
+        // Ensure that the private key is a hexadecimal string without the "0x" prefix.
+        if (privateKeyHex.startsWith("0x")) {
+            privateKeyHex = privateKeyHex.substring(2);
+        }
+
+        BigInteger mySecretKey = new BigInteger(privateKeyHex, 16);
+        PrivateKey privateKey = PrivateKey.create(mySecretKey);
+
+        String message = "1735542383256GET/api/v1/private/account/getPositionTransactionPageaccountId=543429922991899150&filterTypeList=SETTLE_FUNDING_FEE&size=10";
+        String msg = TypeEncoder.encodePacked(new Utf8String(message));
+
+        BigInteger msgHash = Numeric.toBigInt(Hash.sha3(Numeric.hexStringToByteArray(msg)));
+
+        msgHash = msgHash.mod(K_MODULUS);
+
+        Signature signature = Ecdsa.sign(msgHash, privateKey);
+
+        String starkSignature = TypeEncoder.encodePacked(new Uint256(signature.r)) +
+                TypeEncoder.encodePacked(new Uint256(signature.s)) +
+                TypeEncoder.encodePacked(new Uint256(privateKey.publicKey().point.y));
+
+        System.out.println(starkSignature);
+    }
+
+    public static Signature sign(BigInteger msgHash, PrivateKey privateKey) {
+        Curve curve = privateKey.curve;
+        BigInteger randNum = new BigInteger(curve.N.toByteArray().length * 8 - 1, new SecureRandom()).abs().add(BigInteger.ONE);
+        Point randomSignPoint = EcMath.multiply(curve.G, randNum, curve.N, curve.A, curve.P);
+        BigInteger r = randomSignPoint.x.mod(curve.N);
+        BigInteger s = ((msgHash.add(r.multiply(privateKey.secret))).multiply(EcMath.inv(randNum, curve.N))).mod(curve.N);
+        return Signature.create(r, s);
+    }
+}
+Request Body To Body String Code Example
+The following Java code example demonstrates how to convert a JSON request body into a sorted string format suitable for signature generation:
+
+Copy
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.TreeMap;
+import java.util.stream.Collectors;
+
+public class RequestBodyToString {
+    private static final String EMPTY_STRING = "";
+
+    private static String getValue(JsonElement valueJson) {
+        if (valueJson.isJsonNull()) {
+            return EMPTY_STRING;
+        } else if (valueJson.isJsonPrimitive()) {
+            return valueJson.getAsString();
+        } else if (valueJson.isJsonArray()) {
+            JsonArray valueArray = valueJson.getAsJsonArray();
+            if (valueArray.isEmpty()) {
+                return EMPTY_STRING;
+            }
+            List<String> values = new ArrayList<>();
+            for (JsonElement itemValue : valueArray) {
+                values.add(getValue(itemValue));
+            }
+            return String.join("&", values);
+        } else if (valueJson.isJsonObject()) {
+            TreeMap<String, String> sortedDataMap = new TreeMap<>();
+            JsonObject valueJsonObj = valueJson.getAsJsonObject();
+            for (String key : valueJsonObj.keySet()) {
+                sortedDataMap.put(key, getValue(valueJsonObj.get(key)));
+            }
+            return sortedDataMap.keySet().stream()
+                    .map(key -> key + "=" + sortedDataMap.get(key))
+                    .collect(Collectors.joining("&"));
+        }
+        return EMPTY_STRING;
+    }
+}
+Signature Algorithm
+The signature algorithm used is Ecdsa (Elliptic Curve Digital Signature Algorithm).
@@ -0,0 +1,45 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
+    
+    - name: Install build dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build twine
+    
+    - name: Build package
+      run: python -m build
+    
+    - name: Check package
+      run: twine check dist/*
+    
+    - name: Publish to Test PyPI
+      if: github.event_name == 'workflow_dispatch'
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
+      run: |
+        twine upload --repository testpypi dist/*
+    
+    - name: Publish to PyPI
+      if: github.event_name == 'release'
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+      run: |
+        twine upload dist/*
@@ -0,0 +1,31 @@
+# Logs
+logs
+*.log
+
+# IDE files
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Environment variables
+.env
+
+# Python bytecode files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Distribution / packaging
+dist/
+build/
+*.egg-info/
+
+# Virtual environments
+venv/
+env/
+ENV/
+
+# OS specific files
+.DS_Store
+Thumbs.db
@@ -0,0 +1,516 @@
+# EdgeX Python SDK
+
+A Python SDK for interacting with the EdgeX Exchange API. This SDK provides a comprehensive interface to the EdgeX API, allowing you to easily integrate EdgeX functionality into your Python applications.
+
+## Features
+
+- **Complete API Coverage**: Access all EdgeX API endpoints
+- **WebSocket Support**: Real-time data streaming
+- **Async/Await**: Modern Python async interface
+- **Type Hints**: Comprehensive type annotations for better IDE support
+- **Error Handling**: Proper error handling and validation
+- **Pagination**: Support for paginated API endpoints
+- **Authentication**: Automatic request signing
+
+## Installation
+
+### From PyPI
+
+```bash
+pip install edgex-python-sdk
+```
+
+### From Source
+
+```bash
+git clone https://github.com/edgex-Tech/edgex-python-sdk.git
+cd edgex-python-sdk
+pip install -e .
+```
+
+### Using Requirements Files
+
+For production use:
+```bash
+pip install -r requirements.txt
+```
+
+For development (includes testing and linting tools):
+```bash
+pip install -r requirements-dev.txt
+```
+
+### Virtual Environment (Recommended)
+
+It's recommended to use a virtual environment:
+
+```bash
+# Create virtual environment
+python3 -m venv venv
+
+# Activate virtual environment
+source venv/bin/activate  # On Windows: venv\Scripts\activate
+
+# Install dependencies
+pip install -r requirements.txt
+
+# Or install in development mode
+pip install -e .
+```
+
+## Quick Start
+
+```python
+import asyncio
+import os
+from edgex_sdk import Client, OrderSide
+
+async def main():
+    # Create a new client
+    client = Client(
+        base_url="https://pro.edgex.exchange",  # Use https://testnet.edgex.exchange for testnet
+        account_id=12345,  # Your account ID
+        stark_private_key="your-stark-private-key"  # Your private key
+    )
+
+    # Get server time
+    server_time = await client.get_server_time()
+    print(f"Server Time: {server_time}")
+
+    # Get exchange metadata
+    metadata = await client.get_metadata()
+    print(f"Available contracts: {len(metadata.get('data', {}).get('contractList', []))}")
+
+    # Get account assets
+    assets = await client.get_account_asset()
+    print(f"Account Assets: {assets}")
+
+    # Get account positions
+    positions = await client.get_account_positions()
+    print(f"Account Positions: {positions}")
+
+    # Get 24-hour market data for BNB2USDT (contract ID: 10000004)
+    quote = await client.get_24_hour_quote("10000004")
+    print(f"BNB2USDT Price: {quote}")
+
+    # Create a limit order (uncomment to place real order)
+    # order = await client.create_limit_order(
+    #     contract_id="10000004",  # BNB2USDT
+    #     size="0.01",
+    #     price="600.00",
+    #     side=OrderSide.BUY
+    # )
+    # print(f"Order created: {order}")
+
+# Run the async function
+asyncio.run(main())
+```
+
+## Architecture
+
+The SDK is organized into modules that correspond to the EdgeX API structure:
+
+```
+edgex_sdk/
+├── __init__.py
+├── client.py           # Main client
+├── account/            # Account API
+├── asset/              # Asset API
+├── funding/            # Funding API
+├── internal/           # Internal utilities
+├── metadata/           # Metadata API
+├── order/              # Order API
+├── quote/              # Quote API
+├── transfer/           # Transfer API
+└── ws/                 # WebSocket API
+```
+
+## Available APIs
+
+The SDK currently supports the following API modules:
+
+- **Account API**: Manage account positions, retrieve position transactions, and handle collateral transactions
+  - Get account positions
+  - Get position by contract ID
+  - Get position transaction history
+  - Get collateral transaction details
+  - Update leverage settings
+
+- **Asset API**: Handle asset management and withdrawals
+  - Get asset orders with pagination
+  - Get coin rates
+  - Manage withdrawals (normal, cross-chain, and fast)
+  - Get withdrawal records and sign information
+  - Check withdrawable amounts
+
+- **Funding API**: Manage funding operations and account balance
+  - Handle funding transactions
+  - Manage funding accounts
+  - Get funding transaction history
+
+- **Metadata API**: Access exchange system information
+  - Get server time
+  - Get exchange metadata (trading pairs, contracts, etc.)
+
+- **Order API**: Comprehensive order management
+  - Create and cancel orders
+  - Get active orders
+  - Get order fill transactions
+  - Calculate maximum order sizes
+  - Manage order history
+
+- **Quote API**: Access market data and pricing
+  - Get multi-contract K-line data
+  - Get order book depth
+  - Access real-time market quotes
+  - Get 24-hour ticker data
+
+- **Transfer API**: Handle asset transfers
+  - Create transfer out orders
+  - Get transfer records (in/out)
+  - Check available withdrawal amounts
+  - Manage transfer history
+
+- **WebSocket API**: Real-time data streaming
+  - Market data (tickers, K-lines, order book, trades)
+  - Account updates
+  - Order updates
+  - Position updates
+
+## WebSocket Support
+
+The SDK provides a WebSocket manager for handling real-time data:
+
+```python
+import asyncio
+from edgex_sdk import WebSocketManager
+
+async def main():
+    # Create a WebSocket manager
+    ws_manager = WebSocketManager(
+        base_url="wss://quote.edgex.exchange",  # Use wss://quote-testnet.edgex.exchange for testnet
+        account_id=12345,
+        stark_pri_key="your-stark-private-key"
+    )
+
+    # Define message handlers
+    def ticker_handler(message):
+        print(f"Ticker Update: {message}")
+
+    def kline_handler(message):
+        print(f"K-line Update: {message}")
+
+    # Connect to public WebSocket for market data
+    ws_manager.connect_public()
+
+    # Subscribe to real-time updates for BNB2USDT (contract ID: 10000004)
+    ws_manager.subscribe_ticker("10000004", ticker_handler)
+    ws_manager.subscribe_kline("10000004", "1m", kline_handler)
+
+    # Connect to private WebSocket for account updates
+    ws_manager.connect_private()
+
+    # Wait for updates
+    await asyncio.sleep(30)
+
+    # Disconnect all connections
+    ws_manager.disconnect_all()
+
+asyncio.run(main())
+```
+
+## Signing Adapters
+
+The SDK provides a flexible signing mechanism through signing adapters. **StarkExSigningAdapter is used by default**, so you don't need to explicitly create one:
+
+```python
+from edgex_sdk import Client
+
+# Create a client (uses StarkExSigningAdapter by default)
+client = Client(
+    base_url="https://pro.edgex.exchange",  # Use https://testnet.edgex.exchange for testnet
+    account_id=12345,
+    stark_private_key="your-stark-private-key"
+)
+```
+
+If you need to use a custom signing adapter, you can still provide one:
+
+```python
+from edgex_sdk import Client, StarkExSigningAdapter
+
+# Create a custom signing adapter (optional)
+signing_adapter = StarkExSigningAdapter()
+
+# Create a client with a custom signing adapter
+client = Client(
+    base_url="https://pro.edgex.exchange",  # Use https://testnet.edgex.exchange for testnet
+    account_id=12345,
+    stark_private_key="your-stark-private-key",
+    signing_adapter=signing_adapter
+)
+```
+
+The SDK includes the following signing adapters:
+
+- **StarkExSigningAdapter** (default): Full implementation using StarkWare cryptographic operations for production use
+
+You can also create your own signing adapter by implementing the `SigningAdapter` interface if you need custom cryptographic operations.
+
+## Error Handling
+
+The SDK provides proper error handling for API requests:
+
+```python
+import asyncio
+from edgex_sdk import Client, OrderSide
+
+async def main():
+    client = Client(
+        base_url="https://pro.edgex.exchange",  # Use https://testnet.edgex.exchange for testnet
+        account_id=12345,
+        stark_private_key="your-stark-private-key"
+    )
+
+    try:
+        # Create a limit order for BNB2USDT
+        order = await client.create_limit_order(
+            contract_id="10000004",  # BNB2USDT
+            size="0.01",
+            price="600.00",
+            side=OrderSide.BUY
+        )
+        print(f"Order created: {order}")
+
+        # Cancel the order
+        from edgex_sdk import CancelOrderParams
+        cancel_params = CancelOrderParams(
+            order_id=order.get("data", {}).get("orderId")
+        )
+        cancel_result = await client.cancel_order(cancel_params)
+        print(f"Order cancelled: {cancel_result}")
+
+    except ValueError as e:
+        print(f"Failed to create/cancel order: {str(e)}")
+    except Exception as e:
+        print(f"Unexpected error: {str(e)}")
+
+asyncio.run(main())
+```
+
+## Pagination
+
+Many API endpoints support pagination:
+
+```python
+import asyncio
+from edgex_sdk import Client, GetActiveOrderParams
+
+async def main():
+    client = Client(
+        base_url="https://pro.edgex.exchange",  # Use https://testnet.edgex.exchange for testnet
+        account_id=12345,
+        stark_private_key="your-stark-private-key"
+    )
+
+    # Create pagination parameters
+    params = GetActiveOrderParams(
+        size="10",
+        offset_data=""
+    )
+
+    # Get active orders
+    orders = await client.get_active_orders(params)
+    print(f"Active orders: {orders}")
+
+    # Get next page if available
+    if orders.get("data", {}).get("hasNext"):
+        params.offset_data = orders.get("data", {}).get("offsetData")
+        next_page = await client.get_active_orders(params)
+        print(f"Next page: {next_page}")
+
+asyncio.run(main())
+```
+
+## API Examples
+
+### Market Data
+
+```python
+from edgex_sdk import Client, GetKLineParams, GetOrderBookDepthParams
+
+# Get 24-hour market quotes for BNB2USDT (contract ID: 10000004)
+quote = await client.get_24_hour_quote("10000004")
+print(f"Current price: {quote}")
+
+# Get K-line data for BTCUSDT (contract ID: 10000001)
+kline_params = GetKLineParams(
+    contract_id="10000001",  # BTCUSDT
+    interval="1m",
+    size="10"
+)
+klines = await client.quote.get_k_line(kline_params)
+print(f"K-lines: {klines}")
+
+# Get order book depth for ETHUSDT (contract ID: 10000002)
+depth_params = GetOrderBookDepthParams(
+    contract_id="10000002",  # ETHUSDT
+    limit=10
+)
+depth = await client.quote.get_order_book_depth(depth_params)
+print(f"Order book: {depth}")
+```
+
+### Account Management
+
+```python
+# Get account assets
+assets = await client.get_account_asset()
+print(f"Account assets: {assets}")
+
+# Get account positions
+positions = await client.get_account_positions()
+print(f"Positions: {positions}")
+
+# Get position transactions
+from edgex_sdk import GetPositionTransactionPageParams
+tx_params = GetPositionTransactionPageParams(
+    size="10",
+    offset_data=""
+)
+transactions = await client.account.get_position_transaction_page(tx_params)
+print(f"Transactions: {transactions}")
+```
+
+### Order Management
+
+```python
+from edgex_sdk import OrderSide, CreateOrderParams, CancelOrderParams
+
+# Create a limit order for BNBUSDT
+order = await client.create_limit_order(
+    contract_id="10000004",  # BNBUSDT
+    size="0.01",
+    price="600.00",
+    side=OrderSide.BUY
+)
+print(f"Order created: {order}")
+
+# Get maximum order size for BNBUSDT
+max_size = await client.get_max_order_size("10000004", 600.00)
+print(f"Max order size: {max_size}")
+
+# Cancel an order
+cancel_params = CancelOrderParams(
+    order_id=order.get("data", {}).get("orderId")
+)
+cancel_result = await client.cancel_order(cancel_params)
+print(f"Order cancelled: {cancel_result}")
+```
+
+### Contract IDs
+
+EdgeX uses numeric contract IDs instead of symbol-based identifiers. Here are some common contract mappings:
+
+| Contract ID | Symbol        | Tick Size |
+|-------------|---------------|-----------|
+| 10000001    | BTCUSDT       | 0.1       |
+| 10000002    | ETHUSDT       | 0.01      |
+| 10000003    | SOLUSDT       | 0.01      |
+
+To get the complete list of available contracts:
+
+```python
+metadata = await client.get_metadata()
+contracts = metadata.get("data", {}).get("contractList", [])
+for contract in contracts:
+    print(f"ID: {contract['contractId']} - {contract['contractName']}")
+```
+
+For more detailed examples, please refer to the [examples](examples) directory.
+
+## Testing
+
+The SDK includes comprehensive test coverage with multiple test suites:
+
+### Unit Tests
+```bash
+# Run unit tests (no API credentials required)
+python -m pytest tests/test_client.py tests/test_starkex_signing_adapter.py -v
+```
+
+### Public API Tests
+```bash
+# Run public endpoint tests (no authentication required)
+python run_public_tests.py
+```
+
+### Mock Integration Tests
+```bash
+# Run mock tests (test structure without real API calls)
+python run_mock_tests.py
+```
+
+### Full Integration Tests
+```bash
+# Run full integration tests (requires real API credentials)
+python run_integration_tests.py
+```
+
+### All Tests
+```bash
+# Run all available tests
+python run_tests.py
+```
+
+For more testing information, see [TESTING.md](TESTING.md).
+
+## Environment Variables
+
+For testing and development, you can set the following environment variables or create a `.env` file:
+
+```bash
+# API Configuration
+EDGEX_BASE_URL=https://pro.edgex.exchange  # Use https://testnet.edgex.exchange for testnet
+EDGEX_WS_URL=wss://quote.edgex.exchange    # Use wss://quote-testnet.edgex.exchange for testnet
+
+# Account Credentials
+EDGEX_ACCOUNT_ID=12345
+EDGEX_STARK_PRIVATE_KEY=your-stark-private-key
+
+# Signing Configuration
+EDGEX_SIGNING_ADAPTER=starkex
+```
+
+Then load them in your code:
+
+```python
+import os
+from dotenv import load_dotenv
+from edgex_sdk import Client
+
+# Load environment variables from .env file
+load_dotenv()
+
+client = Client(
+    base_url=os.getenv("EDGEX_BASE_URL"),
+    account_id=int(os.getenv("EDGEX_ACCOUNT_ID")),
+    stark_private_key=os.getenv("EDGEX_STARK_PRIVATE_KEY")
+)
+```
+
+## Documentation
+
+For detailed API documentation, please refer to the [EdgeX API documentation](https://docs.edgex.exchange).
+
+## Contributing
+
+1. Fork the repository
+2. Create your feature branch (`git checkout -b feature/my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin feature/my-new-feature`)
+5. Create a new Pull Request
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
@@ -0,0 +1,72 @@
+"""
+EdgeX Python SDK - A Python SDK for interacting with the EdgeX Exchange API.
+"""
+
+from .client import Client
+from .internal.signing_adapter import SigningAdapter
+from .internal.starkex_signing_adapter import StarkExSigningAdapter
+from .order.types import (
+    OrderType,
+    OrderSide,
+    TimeInForce,
+    CreateOrderParams,
+    CancelOrderParams,
+    GetActiveOrderParams,
+    OrderFillTransactionParams
+)
+from .account.client import (
+    GetPositionTransactionPageParams,
+    GetCollateralTransactionPageParams,
+    GetPositionTermPageParams,
+    GetAccountAssetSnapshotPageParams
+)
+from .quote.client import (
+    GetKLineParams,
+    GetOrderBookDepthParams,
+    GetMultiContractKLineParams
+)
+from .transfer.client import (
+    GetTransferOutByIdParams,
+    GetTransferInByIdParams,
+    GetWithdrawAvailableAmountParams,
+    CreateTransferOutParams,
+    GetTransferOutPageParams,
+    GetTransferInPageParams
+)
+from .asset.client import (
+    GetAssetOrdersParams,
+    CreateWithdrawalParams,
+    GetWithdrawalRecordsParams
+)
+from .ws.manager import Manager as WebSocketManager
+
+__version__ = "0.2.0"
+__all__ = [
+    "Client",
+    "OrderType",
+    "OrderSide",
+    "TimeInForce",
+    "CreateOrderParams",
+    "CancelOrderParams",
+    "GetActiveOrderParams",
+    "OrderFillTransactionParams",
+    "GetPositionTransactionPageParams",
+    "GetCollateralTransactionPageParams",
+    "GetPositionTermPageParams",
+    "GetAccountAssetSnapshotPageParams",
+    "GetKLineParams",
+    "GetOrderBookDepthParams",
+    "GetMultiContractKLineParams",
+    "GetTransferOutByIdParams",
+    "GetTransferInByIdParams",
+    "GetWithdrawAvailableAmountParams",
+    "CreateTransferOutParams",
+    "GetTransferOutPageParams",
+    "GetTransferInPageParams",
+    "GetAssetOrdersParams",
+    "CreateWithdrawalParams",
+    "GetWithdrawalRecordsParams",
+    "WebSocketManager",
+    "SigningAdapter",
+    "StarkExSigningAdapter"
+]
@@ -0,0 +1,437 @@
+from typing import Dict, Any, List, Optional
+
+from ..internal.async_client import AsyncClient
+
+
+class GetPositionTransactionPageParams:
+    """Parameters for getting position transactions with pagination."""
+
+    def __init__(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_contract_id_list: List[str] = None,
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_contract_id_list = filter_contract_id_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class GetCollateralTransactionPageParams:
+    """Parameters for getting collateral transactions with pagination."""
+
+    def __init__(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class GetPositionTermPageParams:
+    """Parameters for getting position terms with pagination."""
+
+    def __init__(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_contract_id_list: List[str] = None,
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_contract_id_list = filter_contract_id_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class GetAccountAssetSnapshotPageParams:
+    """Parameters for getting account asset snapshots with pagination."""
+
+    def __init__(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class Client:
+    """Client for account-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the account client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_account_asset(self) -> Dict[str, Any]:
+        """
+        Get the account asset information.
+
+        Returns:
+            Dict[str, Any]: The account asset information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/account/getAccountAsset",
+            params=params
+        )
+
+    async def get_account_positions(self) -> Dict[str, Any]:
+        """
+        Get the account positions.
+
+        Note: This calls the same endpoint as get_account_asset, which returns both
+        collateral and position data. The position data is in the 'positionAssetList' field.
+
+        Returns:
+            Dict[str, Any]: The account positions (same as account asset response)
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Use the same endpoint as get_account_asset (matching Go SDK behavior)
+        return await self.get_account_asset()
+
+    async def get_position_transaction_page(self, params: GetPositionTransactionPageParams) -> Dict[str, Any]:
+        """
+        Get the position transactions with pagination.
+
+        Args:
+            params: Position transaction query parameters
+
+        Returns:
+            Dict[str, Any]: The position transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_contract_id_list:
+            query_params["filterContractIdList"] = ",".join(params.filter_contract_id_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/account/getPositionTransactionPage",
+            params=query_params
+        )
+
+    async def get_collateral_transaction_page(self, params: GetCollateralTransactionPageParams) -> Dict[str, Any]:
+        """
+        Get the collateral transactions with pagination.
+
+        Args:
+            params: Collateral transaction query parameters
+
+        Returns:
+            Dict[str, Any]: The collateral transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/account/getCollateralTransactionPage",
+            params=query_params
+        )
+
+    async def get_position_term_page(self, params: GetPositionTermPageParams) -> Dict[str, Any]:
+        """
+        Get the position terms with pagination.
+
+        Args:
+            params: Position term query parameters
+
+        Returns:
+            Dict[str, Any]: The position terms
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/getPositionTermPage"
+        query_params = {
+            "accountId": str(self.internal_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_contract_id_list:
+            query_params["filterContractIdList"] = ",".join(params.filter_contract_id_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        response = self.session.get(url, params=query_params)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+        return resp_data
+
+    async def get_account_by_id(self) -> Dict[str, Any]:
+        """
+        Get account information by ID.
+
+        Returns:
+            Dict[str, Any]: The account information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/account/getAccountById",
+            params=params
+        )
+
+    async def get_account_deleverage_light(self) -> Dict[str, Any]:
+        """
+        Get account deleverage light information.
+
+        Returns:
+            Dict[str, Any]: The account deleverage light information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/getAccountDeleverageLight"
+        params = {
+            "accountId": str(self.internal_client.get_account_id())
+        }
+
+        response = self.session.get(url, params=params)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+        return resp_data
+
+    async def get_account_asset_snapshot_page(self, params: GetAccountAssetSnapshotPageParams) -> Dict[str, Any]:
+        """
+        Get account asset snapshots with pagination.
+
+        Args:
+            params: Account asset snapshot query parameters
+
+        Returns:
+            Dict[str, Any]: The account asset snapshots
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/getAccountAssetSnapshotPage"
+        query_params = {
+            "accountId": str(self.internal_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        response = self.session.get(url, params=query_params)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+        return resp_data
+
+    async def get_position_transaction_by_id(self, transaction_ids: List[str]) -> Dict[str, Any]:
+        """
+        Get position transactions by IDs.
+
+        Args:
+            transaction_ids: List of transaction IDs
+
+        Returns:
+            Dict[str, Any]: The position transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/getPositionTransactionById"
+        query_params = {
+            "accountId": str(self.internal_client.get_account_id()),
+            "transactionIdList": ",".join(transaction_ids)
+        }
+
+        response = self.session.get(url, params=query_params)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+        return resp_data
+
+    async def get_collateral_transaction_by_id(self, transaction_ids: List[str]) -> Dict[str, Any]:
+        """
+        Get collateral transactions by IDs.
+
+        Args:
+            transaction_ids: List of transaction IDs
+
+        Returns:
+            Dict[str, Any]: The collateral transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/getCollateralTransactionById"
+        query_params = {
+            "accountId": str(self.internal_client.get_account_id()),
+            "transactionIdList": ",".join(transaction_ids)
+        }
+
+        response = self.session.get(url, params=query_params)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+        return resp_data
+
+    async def update_leverage_setting(self, contract_id: str, leverage: str) -> None:
+        """
+        Update the account leverage settings.
+
+        Args:
+            contract_id: The contract ID
+            leverage: The leverage value
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.base_url}/api/v1/private/account/updateLeverageSetting"
+        data = {
+            "accountId": str(self.internal_client.get_account_id()),
+            "contractId": contract_id,
+            "leverage": leverage
+        }
+
+        response = self.session.post(url, json=data)
+
+        if response.status_code != 200:
+            raise ValueError(f"request failed with status code: {response.status_code}")
+
+        resp_data = response.json()
+
+        if resp_data.get("code") != ResponseCode.SUCCESS:
+            error_param = resp_data.get("errorParam")
+            if error_param:
+                raise ValueError(f"request failed with error params: {error_param}")
+            raise ValueError(f"request failed with code: {resp_data.get('code')}")
@@ -0,0 +1,300 @@
+from typing import Dict, Any, List
+
+from ..internal.async_client import AsyncClient
+
+
+class GetAssetOrdersParams:
+    """Parameters for getting asset orders."""
+
+    def __init__(self, size: str = "10", offset_data: str = "", filter_coin_id_list: List[str] = None,
+                 filter_start_created_time_inclusive: int = 0, filter_end_created_time_exclusive: int = 0):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_coin_id_list = filter_coin_id_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class CreateWithdrawalParams:
+    """Parameters for creating a withdrawal."""
+
+    def __init__(self, coin_id: str, amount: str, address: str, tag: str = ""):
+        self.coin_id = coin_id
+        self.amount = amount
+        self.address = address
+        self.tag = tag
+
+
+class GetWithdrawalRecordsParams:
+    """Parameters for getting withdrawal records."""
+
+    def __init__(self, size: str = "10", offset_data: str = "", filter_coin_id_list: List[str] = None,
+                 filter_status_list: List[str] = None, filter_start_created_time_inclusive: int = 0,
+                 filter_end_created_time_exclusive: int = 0):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_coin_id_list = filter_coin_id_list or []
+        self.filter_status_list = filter_status_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class Client:
+    """Client for asset-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the asset client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_account_asset(self) -> Dict[str, Any]:
+        """
+        Get the account asset information.
+        Note: This method delegates to the account client since it's an account endpoint.
+
+        Returns:
+            Dict[str, Any]: The account asset information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # This is actually an account endpoint, not an asset endpoint
+        # We should delegate to the account client
+        raise NotImplementedError("This method should be called from the account client: client.account.get_account_asset()")
+
+    async def get_asset_orders(
+        self,
+        params: GetAssetOrdersParams
+    ) -> Dict[str, Any]:
+        """
+        Get asset orders with pagination.
+
+        Args:
+            params: Parameters for the request
+
+        Returns:
+            Dict[str, Any]: The asset orders
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/assets/getAllOrdersPage",
+            params=query_params
+        )
+
+    async def get_coin_rates(self, chain_id: str = "1", coin: str = "0xdac17f958d2ee523a2206206994597c13d831ec7") -> Dict[str, Any]:
+        """
+        Get coin rates.
+
+        Args:
+            chain_id: Chain ID (default: "1" for Ethereum mainnet)
+            coin: Coin contract address (default: USDT)
+
+        Returns:
+            Dict[str, Any]: The coin rates
+
+        Raises:
+            ValueError: If the request fails
+        """
+        params = {
+            "chainId": chain_id,
+            "coin": coin
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/assets/getCoinRate",
+            params=params
+        )
+
+    async def create_withdrawal(
+        self,
+        coin_id: str,
+        amount: str,
+        address: str,
+        network: str,
+        memo: str = "",
+        client_order_id: str = None
+    ) -> Dict[str, Any]:
+        """
+        Create a withdrawal request.
+
+        Args:
+            coin_id: The coin ID
+            amount: The withdrawal amount
+            address: The withdrawal address
+            network: The network
+            memo: Optional memo
+            client_order_id: Optional client order ID
+
+        Returns:
+            Dict[str, Any]: The withdrawal result
+
+        Raises:
+            ValueError: If the request fails
+        """
+        data = {
+            "accountId": str(self.async_client.get_account_id()),
+            "coinId": coin_id,
+            "amount": amount,
+            "address": address,
+            "network": network
+        }
+
+        if memo:
+            data["memo"] = memo
+
+        if client_order_id:
+            data["clientOrderId"] = client_order_id
+        else:
+            data["clientOrderId"] = self.async_client.generate_uuid()
+
+        return await self.async_client.make_authenticated_request(
+            method="POST",
+            path="/api/v1/private/assets/createNormalWithdraw",
+            data=data
+        )
+
+    async def get_withdrawal_records(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_coin_id_list: List[str] = None,
+        filter_status_list: List[str] = None,
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ) -> Dict[str, Any]:
+        """
+        Get withdrawal records with pagination.
+
+        Args:
+            size: Size of the page
+            offset_data: Offset data for pagination
+            filter_coin_id_list: Filter by coin IDs
+            filter_status_list: Filter by status
+            filter_start_created_time_inclusive: Filter start time (inclusive)
+            filter_end_created_time_exclusive: Filter end time (exclusive)
+
+        Returns:
+            Dict[str, Any]: The withdrawal records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if size:
+            query_params["size"] = size
+        if offset_data:
+            query_params["offsetData"] = offset_data
+
+        # Add filter parameters
+        if filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(filter_coin_id_list)
+        if filter_status_list:
+            query_params["filterStatusList"] = ",".join(filter_status_list)
+
+        # Add time filters
+        if filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(filter_start_created_time_inclusive)
+        if filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/assets/getNormalWithdrawById",
+            params=query_params
+        )
+
+    async def get_withdrawable_amount(self, address: str) -> Dict[str, Any]:
+        """
+        Get the withdrawable amount for a coin.
+
+        Args:
+            address: The coin contract address
+
+        Returns:
+            Dict[str, Any]: The withdrawable amount information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "address": address
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/assets/getNormalWithdrawableAmount",
+            params=query_params
+        )
+
+    async def get_withdrawal_records(self, params: GetWithdrawalRecordsParams) -> Dict[str, Any]:
+        """
+        Get withdrawal records with pagination.
+
+        Args:
+            params: Parameters for the request
+
+        Returns:
+            Dict[str, Any]: The withdrawal records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+        if params.filter_status_list:
+            query_params["filterStatusList"] = ",".join(params.filter_status_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/assets/getNormalWithdrawById",
+            params=query_params
+        )
@@ -0,0 +1,264 @@
+import json
+import time
+from typing import Dict, Any, Optional, List, Union
+from decimal import Decimal
+
+from .internal.async_client import AsyncClient
+from .internal.signing_adapter import SigningAdapter
+from .internal.starkex_signing_adapter import StarkExSigningAdapter
+from .account.client import Client as AccountClient
+from .asset.client import Client as AssetClient
+from .funding.client import Client as FundingClient
+from .metadata.client import Client as MetadataClient
+from .order.client import Client as OrderClient
+from .quote.client import Client as QuoteClient
+from .transfer.client import Client as TransferClient
+from .order.types import CreateOrderParams, CancelOrderParams, GetActiveOrderParams, OrderFillTransactionParams
+
+
+class Client:
+    """Main EdgeX SDK client."""
+
+    def __init__(self, base_url: str, account_id: int, stark_private_key: str,
+                 signing_adapter: Optional[SigningAdapter] = None, timeout: float = 30.0):
+        """
+        Initialize the EdgeX SDK client.
+
+        Args:
+            base_url: Base URL for API endpoints
+            account_id: Account ID for authentication
+            stark_private_key: Stark private key for signing
+            signing_adapter: Optional signing adapter (defaults to StarkExSigningAdapter)
+            timeout: Request timeout in seconds
+        """
+        # Use StarkExSigningAdapter as default if none provided
+        if signing_adapter is None:
+            signing_adapter = StarkExSigningAdapter()
+
+        # Create async client
+        self.async_client = AsyncClient(
+            base_url=base_url,
+            account_id=account_id,
+            stark_pri_key=stark_private_key,
+            signing_adapter=signing_adapter,
+            timeout=timeout
+        )
+
+        # Initialize API clients
+        self.metadata = MetadataClient(self.async_client)
+        self.account = AccountClient(self.async_client)
+        self.order = OrderClient(self.async_client)
+        self.quote = QuoteClient(self.async_client)
+        self.funding = FundingClient(self.async_client)
+        self.transfer = TransferClient(self.async_client)
+        self.asset = AssetClient(self.async_client)
+
+    async def __aenter__(self):
+        """Async context manager entry."""
+        await self.async_client._ensure_session()
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        """Async context manager exit."""
+        await self.close()
+
+    async def close(self):
+        """Close the client and cleanup resources."""
+        await self.async_client.close()
+
+    @property
+    def internal_client(self):
+        """Backward compatibility property for accessing internal client."""
+        return self.async_client
+
+    async def get_metadata(self) -> Dict[str, Any]:
+        """Get the exchange metadata."""
+        return await self.metadata.get_metadata()
+
+    async def get_server_time(self) -> Dict[str, Any]:
+        """Get the current server time."""
+        return await self.metadata.get_server_time()
+
+    async def create_order(self, params: CreateOrderParams) -> Dict[str, Any]:
+        """
+        Create a new order with the given parameters.
+
+        Args:
+            params: Order parameters
+
+        Returns:
+            Dict[str, Any]: The created order
+        """
+        # Get metadata first
+        metadata = await self.get_metadata()
+        if not metadata:
+            raise ValueError("failed to get metadata")
+
+        return await self.order.create_order(params, metadata.get("data", {}))
+
+    async def get_max_order_size(self, contract_id: str, price: Decimal) -> Dict[str, Any]:
+        """
+        Get the maximum order size for a given contract and price.
+
+        Args:
+            contract_id: The contract ID
+            price: The price
+
+        Returns:
+            Dict[str, Any]: The maximum order size information
+        """
+        return await self.order.get_max_order_size(contract_id, float(price))
+
+    async def cancel_order(self, params: CancelOrderParams) -> Dict[str, Any]:
+        """
+        Cancel a specific order.
+
+        Args:
+            params: Cancel order parameters
+
+        Returns:
+            Dict[str, Any]: The cancellation result
+        """
+        return await self.order.cancel_order(params)
+
+    async def get_active_orders(self, params: GetActiveOrderParams) -> Dict[str, Any]:
+        """
+        Get active orders with pagination and filters.
+
+        Args:
+            params: Active order query parameters
+
+        Returns:
+            Dict[str, Any]: The active orders
+        """
+        return await self.order.get_active_orders(params)
+
+    async def get_order_fill_transactions(self, params: OrderFillTransactionParams) -> Dict[str, Any]:
+        """
+        Get order fill transactions with pagination and filters.
+
+        Args:
+            params: Order fill transaction query parameters
+
+        Returns:
+            Dict[str, Any]: The order fill transactions
+        """
+        return await self.order.get_order_fill_transactions(params)
+
+    async def get_account_asset(self) -> Dict[str, Any]:
+        """Get the account asset information."""
+        return await self.account.get_account_asset()
+
+    async def get_account_positions(self) -> Dict[str, Any]:
+        """Get the account positions."""
+        return await self.account.get_account_positions()
+
+    async def create_limit_order(
+        self,
+        contract_id: str,
+        size: str,
+        price: str,
+        side: str,
+        client_order_id: Optional[str] = None
+    ) -> Dict[str, Any]:
+        """
+        Create a new limit order with the given parameters.
+
+        Args:
+            contract_id: The contract ID
+            size: The order size
+            price: The order price
+            side: The order side (BUY or SELL)
+            client_order_id: Optional client order ID
+
+        Returns:
+            Dict[str, Any]: The created order
+        """
+        from .order.types import OrderType
+
+        params = CreateOrderParams(
+            contract_id=contract_id,
+            size=size,
+            price=price,
+            side=side,
+            type=OrderType.LIMIT,
+            client_order_id=client_order_id
+        )
+
+        return await self.create_order(params)
+
+    async def create_market_order(
+        self,
+        contract_id: str,
+        size: str,
+        side: str,
+        client_order_id: Optional[str] = None
+    ) -> Dict[str, Any]:
+        """
+        Create a new market order with the given parameters.
+
+        Args:
+            contract_id: The contract ID
+            size: The order size
+            side: The order side (BUY or SELL)
+            client_order_id: Optional client order ID
+
+        Returns:
+            Dict[str, Any]: The created order
+        """
+        # Get metadata for contract info
+        metadata = await self.get_metadata()
+        if not metadata:
+            raise ValueError("failed to get metadata")
+
+        # Find the contract
+        contract = None
+        contract_list = metadata.get("data", {}).get("contractList", [])
+        for c in contract_list:
+            if c.get("contractId") == contract_id:
+                contract = c
+                break
+
+        if not contract:
+            raise ValueError(f"contract not found: {contract_id}")
+
+        # Calculate price based on side
+        from .order.types import OrderSide, OrderType
+
+        if side == OrderSide.BUY:
+            # For buy orders: oracle_price * 10, rounded to price precision
+            quote = await self.get_24_hour_quote(contract_id)
+            if not quote:
+                raise ValueError("failed to get 24-hour quotes")
+
+            oracle_price = Decimal(quote.get("data", [])[0].get("oraclePrice", "0"))
+            multiplier = Decimal("10")
+            tick_size = Decimal(contract.get("tickSize", "0"))
+            precision = abs(tick_size.as_tuple().exponent)
+            price = str(round(oracle_price * multiplier, precision))
+        else:
+            # For sell orders: use tick size
+            price = contract.get("tickSize", "0")
+
+        params = CreateOrderParams(
+            contract_id=contract_id,
+            size=size,
+            price=price,
+            side=side,
+            type=OrderType.MARKET,
+            client_order_id=client_order_id
+        )
+
+        return await self.create_order(params)
+
+    async def get_24_hour_quote(self, contract_id: str) -> Dict[str, Any]:
+        """
+        Get the 24-hour quotes for a given contract.
+
+        Args:
+            contract_id: The contract ID
+
+        Returns:
+            Dict[str, Any]: The 24-hour quotes
+        """
+        return await self.quote.get_24_hour_quote(contract_id)
@@ -0,0 +1,13 @@
+"""
+Cryptographic utilities for the EdgeX Python SDK.
+
+This module provides cryptographic functions including Pedersen hash
+implementation compatible with StarkWare's specifications.
+"""
+
+from .pedersen_hash import pedersen_hash, pedersen_hash_as_point
+
+__all__ = [
+    'pedersen_hash',
+    'pedersen_hash_as_point',
+]
@@ -0,0 +1,209 @@
+"""
+Pedersen hash implementation for StarkWare cryptography.
+
+This module provides a full implementation of the Pedersen hash function
+as specified by StarkWare, compatible with the reference implementation.
+"""
+
+from typing import List, Tuple, Union
+
+# Handle both relative and absolute imports
+try:
+    from .constants import (
+        FIELD_PRIME, ALPHA, BETA, N_ELEMENT_BITS_HASH,
+        SHIFT_POINT, CONSTANT_POINTS
+    )
+except ImportError:
+    from constants import (
+        FIELD_PRIME, ALPHA, BETA, N_ELEMENT_BITS_HASH,
+        SHIFT_POINT, CONSTANT_POINTS
+    )
+
+
+def _div_mod(n: int, m: int, p: int) -> int:
+    """
+    Calculate (n / m) mod p.
+    
+    Args:
+        n: The numerator
+        m: The denominator  
+        p: The modulus
+        
+    Returns:
+        int: The result of the division modulo p
+    """
+    return (n * pow(m, -1, p)) % p
+
+
+def _ec_add(p1: Tuple[int, int], p2: Tuple[int, int]) -> Tuple[int, int]:
+    """
+    Add two points on the elliptic curve.
+    
+    Args:
+        p1: The first point as (x, y) coordinates
+        p2: The second point as (x, y) coordinates
+        
+    Returns:
+        Tuple[int, int]: The resulting point as (x, y) coordinates
+    """
+    if p1[0] == p2[0]:
+        if (p1[1] + p2[1]) % FIELD_PRIME == 0:
+            # The points are negatives of each other, return the point at infinity
+            # We represent the point at infinity as None, but this should never happen
+            # in our use case, so we raise an exception instead
+            raise ValueError("Points are negatives of each other")
+        
+        # The points are the same, so we're doubling
+        return _ec_double(p1)
+    
+    # Calculate the slope
+    slope = _div_mod(p2[1] - p1[1], p2[0] - p1[0], FIELD_PRIME)
+    
+    # Calculate the new point
+    x3 = (slope * slope - p1[0] - p2[0]) % FIELD_PRIME
+    y3 = (slope * (p1[0] - x3) - p1[1]) % FIELD_PRIME
+    
+    return (x3, y3)
+
+
+def _ec_double(p: Tuple[int, int]) -> Tuple[int, int]:
+    """
+    Double a point on the elliptic curve.
+    
+    Args:
+        p: The point to double as (x, y) coordinates
+        
+    Returns:
+        Tuple[int, int]: The resulting point as (x, y) coordinates
+    """
+    # Calculate the slope
+    slope = _div_mod(3 * p[0] * p[0] + ALPHA, 2 * p[1], FIELD_PRIME)
+    
+    # Calculate the new point
+    x3 = (slope * slope - 2 * p[0]) % FIELD_PRIME
+    y3 = (slope * (p[0] - x3) - p[1]) % FIELD_PRIME
+    
+    return (x3, y3)
+
+
+def _ec_mult(m: int, p: Tuple[int, int]) -> Tuple[int, int]:
+    """
+    Multiply a point on the elliptic curve by a scalar.
+    
+    Args:
+        m: The scalar
+        p: The point as (x, y) coordinates
+        
+    Returns:
+        Tuple[int, int]: The resulting point as (x, y) coordinates
+    """
+    if m == 0:
+        raise ValueError("Cannot multiply by 0")
+    
+    if m == 1:
+        return p
+    
+    if m % 2 == 0:
+        return _ec_mult(m // 2, _ec_double(p))
+    else:
+        return _ec_add(p, _ec_mult(m - 1, p))
+
+
+def pedersen_hash_as_point(*elements: int) -> Tuple[int, int]:
+    """
+    Calculate the Pedersen hash of a list of integers and return the full EC point.
+
+    This is the full implementation following StarkWare's specification:
+    For each element, iterate through its 252 bits and add corresponding
+    constant points based on the bit values.
+
+    Args:
+        *elements: Variable number of integers to hash
+
+    Returns:
+        Tuple[int, int]: The resulting EC point as (x, y) coordinates
+
+    Raises:
+        ValueError: If any element is out of range or if there are insufficient constant points
+    """
+    # Start with the shift point
+    point = tuple(SHIFT_POINT)
+
+    for i, element in enumerate(elements):
+        # Validate element is in valid range
+        if not (0 <= element < FIELD_PRIME):
+            raise ValueError(f"Element {element} is out of range [0, {FIELD_PRIME})")
+
+        # Calculate the starting index for this element's constant points
+        start_idx = 2 + i * N_ELEMENT_BITS_HASH
+
+        # Check if we have enough constant points
+        if start_idx + N_ELEMENT_BITS_HASH > len(CONSTANT_POINTS):
+            raise ValueError(f"Insufficient constant points for element {i}. Need {start_idx + N_ELEMENT_BITS_HASH}, have {len(CONSTANT_POINTS)}")
+
+        # Full implementation using all 252 bits
+        for j in range(N_ELEMENT_BITS_HASH):
+            pt = tuple(CONSTANT_POINTS[start_idx + j])
+
+            # Check for unhashable input (same x coordinate)
+            if point[0] == pt[0]:
+                raise ValueError('Unhashable input: point collision detected')
+
+            if element & 1:
+                point = _ec_add(point, pt)
+            element >>= 1
+
+        # Ensure all bits have been processed
+        if element != 0:
+            raise ValueError(f"Element too large: remaining bits {element}")
+
+    return point
+
+
+def pedersen_hash(*elements: int) -> int:
+    """
+    Calculate the Pedersen hash of a list of integers.
+    
+    This function returns only the x-coordinate of the resulting EC point,
+    which is the standard Pedersen hash value.
+    
+    Args:
+        *elements: Variable number of integers to hash
+        
+    Returns:
+        int: The Pedersen hash as an integer (x-coordinate of the EC point)
+        
+    Raises:
+        ValueError: If any element is out of range
+    """
+    point = pedersen_hash_as_point(*elements)
+    return point[0]
+
+
+def pedersen_hash_bytes(*elements: Union[int, bytes]) -> bytes:
+    """
+    Calculate the Pedersen hash and return as bytes.
+    
+    Args:
+        *elements: Variable number of integers or bytes to hash
+        
+    Returns:
+        bytes: The hash result as 32 bytes (big-endian)
+        
+    Raises:
+        ValueError: If any element is invalid
+    """
+    # Convert bytes to integers if needed
+    int_elements = []
+    for element in elements:
+        if isinstance(element, bytes):
+            if len(element) > 32:
+                raise ValueError(f"Bytes element too long: {len(element)} > 32")
+            int_elements.append(int.from_bytes(element, byteorder='big'))
+        elif isinstance(element, int):
+            int_elements.append(element)
+        else:
+            raise ValueError(f"Invalid element type: {type(element)}")
+    
+    hash_result = pedersen_hash(*int_elements)
+    return hash_result.to_bytes(32, byteorder='big')
@@ -0,0 +1,114 @@
+from typing import Dict, Any, List
+
+from ..internal.async_client import AsyncClient
+
+
+class Client:
+    """Client for funding-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the funding client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_funding_transactions(
+        self,
+        size: str = "",
+        offset_data: str = "",
+        filter_coin_id_list: List[str] = None,
+        filter_type_list: List[str] = None,
+        filter_start_created_time_inclusive: int = 0,
+        filter_end_created_time_exclusive: int = 0
+    ) -> Dict[str, Any]:
+        """
+        Get funding transactions with pagination.
+
+        Args:
+            size: Size of the page
+            offset_data: Offset data for pagination
+            filter_coin_id_list: Filter by coin IDs
+            filter_type_list: Filter by transaction types
+            filter_start_created_time_inclusive: Filter start time (inclusive)
+            filter_end_created_time_exclusive: Filter end time (exclusive)
+
+        Returns:
+            Dict[str, Any]: The funding transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if size:
+            query_params["size"] = size
+        if offset_data:
+            query_params["offsetData"] = offset_data
+
+        # Add filter parameters
+        if filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(filter_coin_id_list)
+        if filter_type_list:
+            query_params["filterTypeList"] = ",".join(filter_type_list)
+
+        # Add time filters
+        if filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(filter_start_created_time_inclusive)
+        if filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/public/funding/getFundingRatePage",
+            params=query_params
+        )
+
+    async def get_funding_account(self) -> Dict[str, Any]:
+        """
+        Get funding account information.
+
+        Returns:
+            Dict[str, Any]: The funding account information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/account/getAccountAsset",
+            params=params
+        )
+
+    async def get_funding_transaction_by_id(self, transaction_ids: List[str]) -> Dict[str, Any]:
+        """
+        Get funding transactions by IDs.
+
+        Args:
+            transaction_ids: List of transaction IDs
+
+        Returns:
+            Dict[str, Any]: The funding transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id()),
+            "transactionIdList": ",".join(transaction_ids)
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/public/funding/getLatestFundingRate",
+            params=query_params
+        )
@@ -0,0 +1,466 @@
+import asyncio
+import binascii
+import hashlib
+import time
+import uuid
+from typing import Dict, Any, Optional, Tuple, List, Union
+import json
+
+import aiohttp
+from Crypto.Hash import keccak
+
+from .signing_adapter import SigningAdapter
+
+# Import field prime for modular arithmetic
+try:
+    from ..crypto.constants import FIELD_PRIME
+except ImportError:
+    # Fallback if crypto module is not available
+    FIELD_PRIME = 0x800000000000011000000000000000000000000000000000000000000000001
+
+# Constants
+LIMIT_ORDER_WITH_FEE_TYPE = 3
+
+
+class L2Signature:
+    """Represents a signature for L2 operations."""
+
+    def __init__(self, r: str, s: str, v: str = ""):
+        self.r = r
+        self.s = s
+        self.v = v
+
+
+class AsyncClient:
+    """Async base client with common functionality."""
+
+    def __init__(self, base_url: str, account_id: int, stark_pri_key: str, 
+                 signing_adapter: Optional[SigningAdapter] = None,
+                 timeout: float = 30.0, connector_limit: int = 100):
+        """
+        Initialize the async internal client.
+
+        Args:
+            base_url: Base URL for API endpoints
+            account_id: Account ID for authentication
+            stark_pri_key: Stark private key for signing
+            signing_adapter: Optional signing adapter to use for cryptographic operations
+            timeout: Request timeout in seconds
+            connector_limit: Maximum number of connections in the pool
+        """
+        self.base_url = base_url
+        self.account_id = account_id
+        self.stark_pri_key = stark_pri_key
+        
+        # Use the provided signing adapter (required)
+        if signing_adapter is None:
+            raise ValueError("signing_adapter is required")
+        self.signing_adapter = signing_adapter
+        
+        # Store configuration for later session creation
+        self._session = None
+        self._timeout = timeout
+        self._connector_limit = connector_limit
+        self._closed = False
+
+    async def __aenter__(self):
+        """Async context manager entry."""
+        await self._ensure_session()
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        """Async context manager exit."""
+        await self.close()
+
+    async def _ensure_session(self):
+        """Ensure the aiohttp session is created."""
+        if self._session is None or self._session.closed:
+            # Create connector and session when needed (inside event loop)
+            timeout_config = aiohttp.ClientTimeout(total=self._timeout)
+            connector = aiohttp.TCPConnector(
+                limit=self._connector_limit,
+                limit_per_host=30,
+                keepalive_timeout=30,
+                enable_cleanup_closed=True
+            )
+
+            self._session = aiohttp.ClientSession(
+                timeout=timeout_config,
+                connector=connector,
+                headers={
+                    "Content-Type": "application/json",
+                    "Accept": "application/json"
+                }
+            )
+
+    async def close(self):
+        """Close the HTTP session and cleanup resources."""
+        if self._session and not self._session.closed:
+            await self._session.close()
+        self._closed = True
+
+    @property
+    def session(self) -> aiohttp.ClientSession:
+        """Get the HTTP session, ensuring it's created."""
+        if self._session is None or self._session.closed:
+            raise RuntimeError("Session not initialized. Use 'async with client:' or call '_ensure_session()'")
+        return self._session
+
+    def get_account_id(self) -> int:
+        """Get the account ID."""
+        return self.account_id
+
+    def get_stark_pri_key(self) -> str:
+        """Get the stark private key."""
+        return self.stark_pri_key
+
+    def sign(self, message_hash: bytes) -> L2Signature:
+        """
+        Sign a message hash using the client's Stark private key.
+
+        Args:
+            message_hash: The hash of the message to sign
+
+        Returns:
+            L2Signature: The signature components
+
+        Raises:
+            ValueError: If the stark private key is not set or invalid
+        """
+        private_key = self.get_stark_pri_key()
+        if not private_key:
+            raise ValueError("stark private key not set")
+
+        # Sign the message using the signing adapter
+        try:
+            r, s = self.signing_adapter.sign(message_hash, private_key)
+            return L2Signature(r=r, s=s, v="")
+        except Exception as e:
+            raise ValueError(f"failed to sign message: {str(e)}")
+
+    def generate_uuid(self) -> str:
+        """Generate a UUID for client order IDs."""
+        return str(uuid.uuid4())
+
+    def calc_nonce(self, client_order_id: str) -> int:
+        """
+        Calculate a nonce from a client order ID.
+
+        Args:
+            client_order_id: The client order ID
+
+        Returns:
+            int: The calculated nonce
+        """
+        # Use SHA256 like the Go SDK (not Keccak256)
+        h = hashlib.sha256()
+        h.update(client_order_id.encode())
+        hash_hex = h.hexdigest()
+        return int(hash_hex[:8], 16)
+
+    async def make_authenticated_request(
+        self, 
+        method: str, 
+        path: str, 
+        data: Optional[Dict[str, Any]] = None,
+        params: Optional[Dict[str, Any]] = None
+    ) -> Dict[str, Any]:
+        """
+        Make an authenticated HTTP request.
+
+        Args:
+            method: HTTP method (GET, POST, etc.)
+            path: API path (e.g., '/api/v1/private/order/createOrder')
+            data: JSON data for POST requests
+            params: Query parameters for GET requests
+
+        Returns:
+            Dict[str, Any]: Response JSON data
+
+        Raises:
+            ValueError: If the request fails
+        """
+        await self._ensure_session()
+        
+        # Generate timestamp
+        timestamp = int(time.time() * 1000)
+        
+        # Build full URL
+        url = f"{self.base_url}{path}"
+        
+        # Generate signature content
+        sign_content = self._build_signature_content(timestamp, method, path, data, params)
+        
+        # Sign the content
+        keccak_hash = keccak.new(digest_bits=256)
+        keccak_hash.update(sign_content.encode())
+        content_hash = keccak_hash.digest()
+        
+        sig = self.sign(content_hash)
+        
+        # Prepare headers
+        headers = {
+            "X-edgeX-Api-Timestamp": str(timestamp),
+            "X-edgeX-Api-Signature": f"{sig.r}{sig.s}"
+        }
+        
+        # Make the request
+        try:
+            async with self.session.request(
+                method=method,
+                url=url,
+                json=data,
+                params=params,
+                headers=headers
+            ) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except (aiohttp.ContentTypeError, json.JSONDecodeError):
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+                
+                resp_data = await response.json()
+                
+                # Check response code
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+                
+                return resp_data
+                
+        except aiohttp.ClientError as e:
+            raise ValueError(f"HTTP request failed: {str(e)}")
+
+    def _build_signature_content(
+        self, 
+        timestamp: int, 
+        method: str, 
+        path: str, 
+        data: Optional[Dict[str, Any]], 
+        params: Optional[Dict[str, Any]]
+    ) -> str:
+        """Build the content string for signature generation."""
+        if data:
+            # Convert body to sorted string format
+            body_str = self.get_value(data)
+            sign_content = f"{timestamp}{method}{path}{body_str}"
+        else:
+            # For requests without body, use query parameters if present
+            if params:
+                # Sort query parameters as strings (matching Go SDK exactly)
+                param_pairs = []
+                for key, value in sorted(params.items()):
+                    param_pairs.append(f"{key}={value}")
+                query_string = "&".join(param_pairs)
+                sign_content = f"{timestamp}{method}{path}{query_string}"
+            else:
+                sign_content = f"{timestamp}{method}{path}"
+        
+        return sign_content
+
+    def get_value(self, data: Union[Dict[str, Any], List[Any], str, int, float, None]) -> str:
+        """
+        Convert a value to a string representation for signing.
+        This function recursively processes dictionaries, lists, and primitive types.
+
+        Args:
+            data: The value to convert
+
+        Returns:
+            str: The string representation
+        """
+        if data is None:
+            return ""
+
+        if isinstance(data, str):
+            return data
+
+        if isinstance(data, bool):
+            # Convert boolean to lowercase string to match Go SDK
+            return str(data).lower()
+
+        if isinstance(data, (int, float)):
+            return str(data)
+
+        if isinstance(data, list):
+            if len(data) == 0:
+                return ""
+            values = [self.get_value(item) for item in data]
+            return "&".join(values)
+
+        if isinstance(data, dict):
+            # Convert all values to strings and sort by keys
+            sorted_map = {}
+            for key, val in data.items():
+                sorted_map[key] = self.get_value(val)
+
+            # Get sorted keys
+            keys = sorted(sorted_map.keys())
+
+            # Build key=value pairs
+            pairs = [f"{key}={sorted_map[key]}" for key in keys]
+            return "&".join(pairs)
+
+        # Handle other types by converting to string
+        return str(data)
+
+    def calc_limit_order_hash(
+        self,
+        synthetic_asset_id: str,
+        collateral_asset_id: str,
+        fee_asset_id: str,
+        is_buy: bool,
+        amount_synthetic: int,
+        amount_collateral: int,
+        amount_fee: int,
+        nonce: int,
+        account_id: int,
+        expire_time: int
+    ) -> bytes:
+        """
+        Calculate the hash for a limit order using StarkEx protocol.
+
+        Args:
+            synthetic_asset_id: The synthetic asset ID (hex string)
+            collateral_asset_id: The collateral asset ID (hex string)
+            fee_asset_id: The fee asset ID (hex string)
+            is_buy: Whether the order is a buy order
+            amount_synthetic: The synthetic amount
+            amount_collateral: The collateral amount
+            amount_fee: The fee amount
+            nonce: The nonce
+            account_id: The account ID (position ID)
+            expire_time: The expiration time
+
+        Returns:
+            bytes: The calculated hash
+        """
+        # Remove 0x prefix if present
+        if synthetic_asset_id.startswith('0x'):
+            synthetic_asset_id = synthetic_asset_id[2:]
+        if collateral_asset_id.startswith('0x'):
+            collateral_asset_id = collateral_asset_id[2:]
+        if fee_asset_id.startswith('0x'):
+            fee_asset_id = fee_asset_id[2:]
+
+        # Convert hex strings to integers and ensure they're within the field
+        asset_id_synthetic = int(synthetic_asset_id, 16) % FIELD_PRIME
+        asset_id_collateral = int(collateral_asset_id, 16) % FIELD_PRIME
+        asset_id_fee = int(fee_asset_id, 16) % FIELD_PRIME
+
+        # Determine buy/sell assets based on order direction
+        if is_buy:
+            asset_id_sell = asset_id_collateral
+            asset_id_buy = asset_id_synthetic
+            amount_sell = amount_collateral
+            amount_buy = amount_synthetic
+        else:
+            asset_id_sell = asset_id_synthetic
+            asset_id_buy = asset_id_collateral
+            amount_sell = amount_synthetic
+            amount_buy = amount_collateral
+
+        # Use the signing adapter to calculate the Pedersen hash
+        # First hash: hash(asset_id_sell, asset_id_buy)
+        msg = self.signing_adapter.pedersen_hash([asset_id_sell, asset_id_buy])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Second hash: hash(msg, asset_id_fee)
+        msg = self.signing_adapter.pedersen_hash([msg_int, asset_id_fee])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 0
+        # packed_message0 = amount_sell * 2^64 + amount_buy * 2^64 + max_amount_fee * 2^32 + nonce
+        packed_message0 = amount_sell
+        packed_message0 = (packed_message0 << 64) + amount_buy
+        packed_message0 = (packed_message0 << 64) + amount_fee
+        packed_message0 = (packed_message0 << 32) + nonce
+        packed_message0 = packed_message0 % FIELD_PRIME  # Ensure within field
+
+        # Third hash: hash(msg, packed_message0)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_message0])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 1
+        # packed_message1 = LIMIT_ORDER_WITH_FEES * 2^64 + position_id * 2^64 + position_id * 2^64 + position_id * 2^32 + expiration_timestamp * 2^17
+        packed_message1 = LIMIT_ORDER_WITH_FEE_TYPE
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 32) + expire_time
+        packed_message1 = packed_message1 << 17  # Padding
+        packed_message1 = packed_message1 % FIELD_PRIME  # Ensure within field
+
+        # Final hash: hash(msg, packed_message1)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_message1])
+
+        return msg
+
+    def calc_transfer_hash(
+        self,
+        asset_id: int,
+        asset_id_fee: int,
+        receiver_public_key: int,
+        sender_position_id: int,
+        receiver_position_id: int,
+        fee_position_id: int,
+        nonce: int,
+        amount: int,
+        max_amount_fee: int,
+        expiration_timestamp: int
+    ) -> bytes:
+        """
+        Calculate the hash for a transfer using StarkEx protocol.
+
+        Args:
+            asset_id: The asset ID
+            asset_id_fee: The fee asset ID
+            receiver_public_key: The receiver's public key
+            sender_position_id: The sender's position ID
+            receiver_position_id: The receiver's position ID
+            fee_position_id: The fee position ID
+            nonce: The nonce
+            amount: The transfer amount
+            max_amount_fee: The maximum fee amount
+            expiration_timestamp: The expiration timestamp
+
+        Returns:
+            bytes: The calculated hash
+        """
+        # First hash: hash(asset_id, asset_id_fee)
+        msg = self.signing_adapter.pedersen_hash([asset_id, asset_id_fee])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Second hash: hash(msg, receiver_public_key)
+        msg = self.signing_adapter.pedersen_hash([msg_int, receiver_public_key])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 0
+        # packed_msg0 = sender_position_id * 2^64 + receiver_position_id * 2^64 + fee_position_id * 2^32 + nonce
+        packed_msg0 = sender_position_id
+        packed_msg0 = (packed_msg0 << 64) + receiver_position_id
+        packed_msg0 = (packed_msg0 << 64) + fee_position_id
+        packed_msg0 = (packed_msg0 << 32) + nonce
+        packed_msg0 = packed_msg0 % FIELD_PRIME  # Ensure within field
+
+        # Third hash: hash(msg, packed_msg0)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_msg0])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 1
+        # packed_msg1 = 4 * 2^64 + amount * 2^64 + max_amount_fee * 2^32 + expiration_timestamp * 2^81
+        packed_msg1 = 4  # Transfer type
+        packed_msg1 = (packed_msg1 << 64) + amount
+        packed_msg1 = (packed_msg1 << 64) + max_amount_fee
+        packed_msg1 = (packed_msg1 << 32) + expiration_timestamp
+        packed_msg1 = packed_msg1 << 81  # Padding
+        packed_msg1 = packed_msg1 % FIELD_PRIME  # Ensure within field
+
+        # Final hash: hash(msg, packed_msg1)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_msg1])
+
+        return msg
@@ -0,0 +1,312 @@
+import binascii
+import hashlib
+import time
+import uuid
+from typing import Dict, Any, Optional, Tuple, List, Union
+
+import requests
+from Crypto.Hash import keccak
+
+from .signing_adapter import SigningAdapter
+
+# Import field prime for modular arithmetic
+try:
+    from ..crypto.constants import FIELD_PRIME
+except ImportError:
+    # Fallback if crypto module is not available
+    FIELD_PRIME = 0x800000000000011000000000000000000000000000000000000000000000001
+
+# Constants
+LIMIT_ORDER_WITH_FEE_TYPE = 3
+
+
+class L2Signature:
+    """Represents a signature for L2 operations."""
+
+    def __init__(self, r: str, s: str, v: str = ""):
+        self.r = r
+        self.s = s
+        self.v = v
+
+
+class Client:
+    """Base client with common functionality."""
+
+    def __init__(self, base_url: str, account_id: int, stark_pri_key: str, signing_adapter: Optional[SigningAdapter] = None):
+        """
+        Initialize the internal client.
+
+        Args:
+            base_url: Base URL for API endpoints
+            account_id: Account ID for authentication
+            stark_pri_key: Stark private key for signing
+            signing_adapter: Optional signing adapter to use for cryptographic operations
+        """
+        self.http_client = requests.Session()
+        self.http_client.headers.update({
+            "Content-Type": "application/json",
+            "Accept": "application/json"
+        })
+        self.base_url = base_url
+        self.account_id = account_id
+        self.stark_pri_key = stark_pri_key
+
+        # Use the provided signing adapter (required)
+        if signing_adapter is None:
+            raise ValueError("signing_adapter is required")
+        self.signing_adapter = signing_adapter
+
+    def get_account_id(self) -> int:
+        """Get the account ID."""
+        return self.account_id
+
+    def get_stark_pri_key(self) -> str:
+        """Get the stark private key."""
+        return self.stark_pri_key
+
+    def sign(self, message_hash: bytes) -> L2Signature:
+        """
+        Sign a message hash using the client's Stark private key.
+
+        Args:
+            message_hash: The hash of the message to sign
+
+        Returns:
+            L2Signature: The signature components
+
+        Raises:
+            ValueError: If the stark private key is not set or invalid
+        """
+        private_key = self.get_stark_pri_key()
+        if not private_key:
+            raise ValueError("stark private key not set")
+
+        # Sign the message using the signing adapter
+        try:
+            r, s = self.signing_adapter.sign(message_hash, private_key)
+            return L2Signature(r=r, s=s, v="")
+        except Exception as e:
+            raise ValueError(f"failed to sign message: {str(e)}")
+
+    def generate_uuid(self) -> str:
+        """Generate a UUID for client order IDs."""
+        return str(uuid.uuid4())
+
+    def calc_nonce(self, client_order_id: str) -> int:
+        """
+        Calculate a nonce from a client order ID.
+
+        Args:
+            client_order_id: The client order ID
+
+        Returns:
+            int: The calculated nonce
+        """
+        # Use SHA256 like the Go SDK (not Keccak256)
+        h = hashlib.sha256()
+        h.update(client_order_id.encode())
+        hash_hex = h.hexdigest()
+        return int(hash_hex[:8], 16)
+
+    def calc_limit_order_hash(
+        self,
+        synthetic_asset_id: str,
+        collateral_asset_id: str,
+        fee_asset_id: str,
+        is_buy: bool,
+        amount_synthetic: int,
+        amount_collateral: int,
+        amount_fee: int,
+        nonce: int,
+        account_id: int,
+        expire_time: int
+    ) -> bytes:
+        """
+        Calculate the hash for a limit order using StarkEx protocol.
+
+        Args:
+            synthetic_asset_id: The synthetic asset ID (hex string)
+            collateral_asset_id: The collateral asset ID (hex string)
+            fee_asset_id: The fee asset ID (hex string)
+            is_buy: Whether the order is a buy order
+            amount_synthetic: The synthetic amount
+            amount_collateral: The collateral amount
+            amount_fee: The fee amount
+            nonce: The nonce
+            account_id: The account ID (position ID)
+            expire_time: The expiration time
+
+        Returns:
+            bytes: The calculated hash
+        """
+        # Remove 0x prefix if present
+        if synthetic_asset_id.startswith('0x'):
+            synthetic_asset_id = synthetic_asset_id[2:]
+        if collateral_asset_id.startswith('0x'):
+            collateral_asset_id = collateral_asset_id[2:]
+        if fee_asset_id.startswith('0x'):
+            fee_asset_id = fee_asset_id[2:]
+
+        # Convert hex strings to integers and ensure they're within the field
+        asset_id_synthetic = int(synthetic_asset_id, 16) % FIELD_PRIME
+        asset_id_collateral = int(collateral_asset_id, 16) % FIELD_PRIME
+        asset_id_fee = int(fee_asset_id, 16) % FIELD_PRIME
+
+        # Determine buy/sell assets based on order direction
+        if is_buy:
+            asset_id_sell = asset_id_collateral
+            asset_id_buy = asset_id_synthetic
+            amount_sell = amount_collateral
+            amount_buy = amount_synthetic
+        else:
+            asset_id_sell = asset_id_synthetic
+            asset_id_buy = asset_id_collateral
+            amount_sell = amount_synthetic
+            amount_buy = amount_collateral
+
+        # Use the signing adapter to calculate the Pedersen hash
+        # First hash: hash(asset_id_sell, asset_id_buy)
+        msg = self.signing_adapter.pedersen_hash([asset_id_sell, asset_id_buy])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Second hash: hash(msg, asset_id_fee)
+        msg = self.signing_adapter.pedersen_hash([msg_int, asset_id_fee])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 0
+        # packed_message0 = amount_sell * 2^64 + amount_buy * 2^64 + max_amount_fee * 2^32 + nonce
+        packed_message0 = amount_sell
+        packed_message0 = (packed_message0 << 64) + amount_buy
+        packed_message0 = (packed_message0 << 64) + amount_fee
+        packed_message0 = (packed_message0 << 32) + nonce
+        packed_message0 = packed_message0 % FIELD_PRIME  # Ensure within field
+
+        # Third hash: hash(msg, packed_message0)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_message0])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 1
+        # packed_message1 = LIMIT_ORDER_WITH_FEES * 2^64 + position_id * 2^64 + position_id * 2^64 + position_id * 2^32 + expiration_timestamp * 2^17
+        packed_message1 = LIMIT_ORDER_WITH_FEE_TYPE
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 64) + account_id
+        packed_message1 = (packed_message1 << 32) + expire_time
+        packed_message1 = packed_message1 << 17  # Padding
+        packed_message1 = packed_message1 % FIELD_PRIME  # Ensure within field
+
+        # Final hash: hash(msg, packed_message1)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_message1])
+
+        return msg
+
+    def calc_transfer_hash(
+        self,
+        asset_id: int,
+        asset_id_fee: int,
+        receiver_public_key: int,
+        sender_position_id: int,
+        receiver_position_id: int,
+        fee_position_id: int,
+        nonce: int,
+        amount: int,
+        max_amount_fee: int,
+        expiration_timestamp: int
+    ) -> bytes:
+        """
+        Calculate the hash for a transfer using StarkEx protocol.
+
+        Args:
+            asset_id: The asset ID
+            asset_id_fee: The fee asset ID
+            receiver_public_key: The receiver's public key
+            sender_position_id: The sender's position ID
+            receiver_position_id: The receiver's position ID
+            fee_position_id: The fee position ID
+            nonce: The nonce
+            amount: The transfer amount
+            max_amount_fee: The maximum fee amount
+            expiration_timestamp: The expiration timestamp
+
+        Returns:
+            bytes: The calculated hash
+        """
+        # First hash: hash(asset_id, asset_id_fee)
+        msg = self.signing_adapter.pedersen_hash([asset_id, asset_id_fee])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Second hash: hash(msg, receiver_public_key)
+        msg = self.signing_adapter.pedersen_hash([msg_int, receiver_public_key])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 0
+        # packed_msg0 = sender_position_id * 2^64 + receiver_position_id * 2^64 + fee_position_id * 2^32 + nonce
+        packed_msg0 = sender_position_id
+        packed_msg0 = (packed_msg0 << 64) + receiver_position_id
+        packed_msg0 = (packed_msg0 << 64) + fee_position_id
+        packed_msg0 = (packed_msg0 << 32) + nonce
+        packed_msg0 = packed_msg0 % FIELD_PRIME  # Ensure within field
+
+        # Third hash: hash(msg, packed_msg0)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_msg0])
+        msg_int = int.from_bytes(msg, byteorder='big')
+
+        # Pack message 1
+        # packed_msg1 = 4 * 2^64 + amount * 2^64 + max_amount_fee * 2^32 + expiration_timestamp * 2^81
+        packed_msg1 = 4  # Transfer type
+        packed_msg1 = (packed_msg1 << 64) + amount
+        packed_msg1 = (packed_msg1 << 64) + max_amount_fee
+        packed_msg1 = (packed_msg1 << 32) + expiration_timestamp
+        packed_msg1 = packed_msg1 << 81  # Padding
+        packed_msg1 = packed_msg1 % FIELD_PRIME  # Ensure within field
+
+        # Final hash: hash(msg, packed_msg1)
+        msg = self.signing_adapter.pedersen_hash([msg_int, packed_msg1])
+
+        return msg
+
+    def get_value(self, data: Union[Dict[str, Any], List[Any], str, int, float, None]) -> str:
+        """
+        Convert a value to a string representation for signing.
+        This function recursively processes dictionaries, lists, and primitive types.
+
+        Args:
+            data: The value to convert
+
+        Returns:
+            str: The string representation
+        """
+        if data is None:
+            return ""
+
+        if isinstance(data, str):
+            return data
+
+        if isinstance(data, bool):
+            # Convert boolean to lowercase string to match Go SDK
+            return str(data).lower()
+
+        if isinstance(data, (int, float)):
+            return str(data)
+
+        if isinstance(data, list):
+            if len(data) == 0:
+                return ""
+            values = [self.get_value(item) for item in data]
+            return "&".join(values)
+
+        if isinstance(data, dict):
+            # Convert all values to strings and sort by keys
+            sorted_map = {}
+            for key, val in data.items():
+                sorted_map[key] = self.get_value(val)
+
+            # Get sorted keys
+            keys = sorted(sorted_map.keys())
+
+            # Build key=value pairs
+            pairs = [f"{key}={sorted_map[key]}" for key in keys]
+            return "&".join(pairs)
+
+        # Handle other types by converting to string
+        return str(data)
@@ -0,0 +1,77 @@
+"""
+Signing adapter interface for the EdgeX Python SDK.
+
+This module defines the interface for signing adapters that can be used with the SDK.
+Different implementations can be provided for different environments (development, testing, production).
+"""
+
+from abc import ABC, abstractmethod
+from typing import Tuple, List
+
+
+class SigningAdapter(ABC):
+    """Interface for signing adapters."""
+
+    @abstractmethod
+    def sign(self, message_hash: bytes, private_key: str) -> Tuple[str, str]:
+        """
+        Sign a message hash using a private key.
+
+        Args:
+            message_hash: The hash of the message to sign
+            private_key: The private key as a hex string
+
+        Returns:
+            Tuple[str, str]: The signature as (r, s) hex strings
+
+        Raises:
+            ValueError: If the private key is invalid or the signing fails
+        """
+        pass
+
+    @abstractmethod
+    def get_public_key(self, private_key: str) -> str:
+        """
+        Get the public key from a private key.
+
+        Args:
+            private_key: The private key as a hex string
+
+        Returns:
+            str: The public key as a hex string
+
+        Raises:
+            ValueError: If the private key is invalid
+        """
+        pass
+
+    @abstractmethod
+    def verify(self, message_hash: bytes, signature: Tuple[str, str], public_key: str) -> bool:
+        """
+        Verify a signature using a public key.
+
+        Args:
+            message_hash: The hash of the message
+            signature: The signature as (r, s) hex strings
+            public_key: The public key as a hex string
+
+        Returns:
+            bool: Whether the signature is valid
+        """
+        pass
+
+    @abstractmethod
+    def pedersen_hash(self, elements: List[int]) -> bytes:
+        """
+        Calculate the Pedersen hash of a list of integers.
+
+        Args:
+            elements: List of integers to hash
+
+        Returns:
+            bytes: The hash result
+
+        Raises:
+            ValueError: If the calculation fails
+        """
+        pass
@@ -0,0 +1,496 @@
+"""
+StarkEx signing adapter for the EdgeX Python SDK.
+
+This module provides an implementation of the signing adapter interface
+that uses the StarkWare cryptographic primitives for signing operations.
+"""
+
+import binascii
+import math
+import secrets
+from typing import List, Tuple
+
+from .signing_adapter import SigningAdapter
+from ..crypto.pedersen_hash import pedersen_hash_bytes
+
+
+# StarkEx curve parameters
+FIELD_PRIME = 0x800000000000011000000000000000000000000000000000000000000000001
+ALPHA = 1
+BETA = 0x6f21413efbe40de150e596d72f7a8c5609ad26c15c915c1f4cdfcb99cee9e89
+EC_ORDER = 0x800000000000010ffffffffffffffffb781126dcae7b2321e66a241adc64d2f
+N_ELEMENT_BITS_ECDSA = math.floor(math.log(FIELD_PRIME, 2))
+assert N_ELEMENT_BITS_ECDSA == 251
+
+# Generator point for the Stark curve
+EC_GEN = (
+    0x1ef15c18599971b7beced415a40f0c7deacfd9b0d1819e03d723d8bc943cfca,
+    0x5668060aa49730b7be4801df46ec62de53ecd11abe43a32873000c36e8dc1f
+)
+
+
+class StarkExSigningAdapter(SigningAdapter):
+    """StarkEx implementation of the signing adapter interface."""
+
+    def sign(self, message_hash: bytes, private_key: str) -> Tuple[str, str]:
+        """
+        Sign a message hash using a private key.
+
+        Args:
+            message_hash: The hash of the message to sign
+            private_key: The private key as a hex string
+
+        Returns:
+            Tuple[str, str]: The signature as (r, s) hex strings
+
+        Raises:
+            ValueError: If the private key is invalid or the signing fails
+        """
+        try:
+            # Validate private key format
+            binascii.unhexlify(private_key)
+        except binascii.Error:
+            raise ValueError("Invalid private key hex string")
+
+        # Convert message hash to integer
+        msg_hash_int = int.from_bytes(message_hash, byteorder='big')
+
+        # Ensure the message hash is in the valid range
+        # Use the same modulus as the Golang SDK (EC_ORDER, which is starkcurve.N)
+        msg_hash_int = msg_hash_int % EC_ORDER
+
+        # Convert private key to integer
+        priv_key_int = int(private_key, 16)
+
+        # Ensure the private key is in the valid range
+        # For testing purposes, we'll just take the modulus
+        priv_key_int = priv_key_int % EC_ORDER
+        if priv_key_int == 0:
+            priv_key_int = 1
+
+        # Sign the message
+        r, s = self._sign(msg_hash_int, priv_key_int)
+
+        # Convert r and s to hex strings
+        r_hex = format(r, '064x')
+        s_hex = format(s, '064x')
+
+        return r_hex, s_hex
+
+    def get_public_key(self, private_key: str) -> str:
+        """
+        Get the public key from a private key.
+
+        Args:
+            private_key: The private key as a hex string
+
+        Returns:
+            str: The public key as a hex string
+
+        Raises:
+            ValueError: If the private key is invalid
+        """
+        try:
+            # Validate private key format
+            binascii.unhexlify(private_key)
+        except binascii.Error:
+            raise ValueError("Invalid private key hex string")
+
+        # Convert private key to integer
+        priv_key_int = int(private_key, 16)
+
+        # Ensure the private key is in the valid range
+        # For testing purposes, we'll just take the modulus
+        priv_key_int = priv_key_int % EC_ORDER
+        if priv_key_int == 0:
+            priv_key_int = 1
+
+        # Get the public key
+        public_key = self._private_to_stark_key(priv_key_int)
+
+        # Convert public key to hex string
+        public_key_hex = format(public_key, '064x')
+
+        return public_key_hex
+
+    def verify(self, message_hash: bytes, signature: Tuple[str, str], public_key: str) -> bool:
+        """
+        Verify a signature using a public key.
+
+        Args:
+            message_hash: The hash of the message
+            signature: The signature as (r, s) hex strings
+            public_key: The public key as a hex string
+
+        Returns:
+            bool: Whether the signature is valid
+        """
+        try:
+            # Convert message hash to integer
+            msg_hash_int = int.from_bytes(message_hash, byteorder='big')
+
+            # Ensure the message hash is in the valid range
+            # Use the same modulus as the sign method (EC_ORDER)
+            msg_hash_int = msg_hash_int % EC_ORDER
+
+            # Convert signature components to integers
+            r_int = int(signature[0], 16)
+            s_int = int(signature[1], 16)
+
+            # Ensure r and s are in the valid range
+            if not (1 <= r_int < 2**N_ELEMENT_BITS_ECDSA and 1 <= s_int < EC_ORDER):
+                return False
+
+            # Convert public key to integer
+            pub_key_int = int(public_key, 16)
+
+            # Verify the signature
+            return self._verify(msg_hash_int, r_int, s_int, pub_key_int)
+        except Exception:
+            return False
+
+    def pedersen_hash(self, elements: List[int]) -> bytes:
+        """
+        Calculate the Pedersen hash of a list of integers.
+
+        This method now uses the full Pedersen hash implementation
+        that follows StarkWare's specification.
+
+        Args:
+            elements: List of integers to hash
+
+        Returns:
+            bytes: The hash result
+
+        Raises:
+            ValueError: If the calculation fails
+        """
+        try:
+            # Use the full Pedersen hash implementation
+            return pedersen_hash_bytes(*elements)
+        except Exception as e:
+            raise ValueError(f"Failed to calculate Pedersen hash: {str(e)}")
+
+    def _sign(self, msg_hash: int, priv_key: int) -> Tuple[int, int]:
+        """
+        Sign a message hash using a private key.
+
+        Args:
+            msg_hash: The hash of the message to sign as an integer
+            priv_key: The private key as an integer
+
+        Returns:
+            Tuple[int, int]: The signature as (r, s) integers
+        """
+        # Choose a valid k. In our version of ECDSA not every k value is valid,
+        # and there is a negligible probability a drawn k cannot be used for signing.
+        # This is why we have this loop.
+        while True:
+            # Use random nonce generation like the Go SDK
+            k = self._generate_random_k()
+
+            # Cannot fail because 0 < k < EC_ORDER and EC_ORDER is prime.
+            x = self._ec_mult(k, EC_GEN)[0]
+
+            # DIFF: in classic ECDSA, we take int(x) % n.
+            r = int(x)
+            if not (1 <= r < 2**N_ELEMENT_BITS_ECDSA):
+                # Bad value. This fails with negligible probability.
+                continue
+
+            if (msg_hash + r * priv_key) % EC_ORDER == 0:
+                # Bad value. This fails with negligible probability.
+                continue
+
+            w = self._div_mod(k, msg_hash + r * priv_key, EC_ORDER)
+            if not (1 <= w < 2**N_ELEMENT_BITS_ECDSA):
+                # Bad value. This fails with negligible probability.
+                continue
+
+            s = self._inv_mod_curve_size(w)
+            return r, s
+
+    def _verify(self, msg_hash: int, r: int, s: int, public_key: int) -> bool:
+        """
+        Verify a signature using a public key.
+
+        Args:
+            msg_hash: The hash of the message as an integer
+            r: The r component of the signature as an integer
+            s: The s component of the signature as an integer
+            public_key: The public key as an integer
+
+        Returns:
+            bool: Whether the signature is valid
+        """
+        # Compute w = s^-1 (mod EC_ORDER).
+        if not (1 <= s < EC_ORDER):
+            return False
+
+        w = self._inv_mod_curve_size(s)
+
+        # Preassumptions:
+        # DIFF: in classic ECDSA, we assert 1 <= r, w <= EC_ORDER-1.
+        # Since r, w < 2**N_ELEMENT_BITS_ECDSA < EC_ORDER, we only need to verify r, w != 0.
+        if not (1 <= r < 2**N_ELEMENT_BITS_ECDSA and 1 <= w < 2**N_ELEMENT_BITS_ECDSA):
+            return False
+
+        if not (0 <= msg_hash < 2**N_ELEMENT_BITS_ECDSA):
+            return False
+
+        # Only the x coordinate of the point is given, check the two possibilities for the y
+        # coordinate.
+        try:
+            y = self._get_y_coordinate(public_key)
+        except ValueError:
+            return False
+
+        # Verify it is on the curve.
+        if (y**2 - (public_key**3 + ALPHA * public_key + BETA)) % FIELD_PRIME != 0:
+            return False
+
+        # Try both possible y coordinates.
+        for y_candidate in [y, (-y) % FIELD_PRIME]:
+            public_key_point = (public_key, y_candidate)
+
+            # Signature validation.
+            try:
+                # Calculate u1 = msg_hash * w mod n
+                u1 = (msg_hash * w) % EC_ORDER
+
+                # Calculate u2 = r * w mod n
+                u2 = (r * w) % EC_ORDER
+
+                # Calculate u1*G + u2*Q
+                point1 = self._ec_mult(u1, EC_GEN)
+                point2 = self._ec_mult(u2, public_key_point)
+                point = self._ec_add(point1, point2)
+
+                # The signature is valid if the x-coordinate of the resulting point equals r
+                if point[0] == r:
+                    return True
+            except Exception:
+                continue
+
+        return False
+
+    def _generate_random_k(self) -> int:
+        """
+        Generate a cryptographically secure random k value.
+
+        Returns:
+            int: The generated k value in range [1, EC_ORDER)
+        """
+        # Generate a cryptographically secure random number in the range [1, EC_ORDER)
+        # This matches the Go implementation's approach of using random nonces
+        return secrets.randbelow(EC_ORDER - 1) + 1
+
+    def _private_to_stark_key(self, priv_key: int) -> int:
+        """
+        Convert a private key to a Stark public key.
+
+        Args:
+            priv_key: The private key as an integer
+
+        Returns:
+            int: The public key as an integer
+        """
+        return self._private_key_to_ec_point_on_stark_curve(priv_key)[0]
+
+    def _private_key_to_ec_point_on_stark_curve(self, priv_key: int) -> Tuple[int, int]:
+        """
+        Convert a private key to an EC point on the Stark curve.
+
+        Args:
+            priv_key: The private key as an integer
+
+        Returns:
+            Tuple[int, int]: The EC point as (x, y) coordinates
+        """
+        # Ensure the private key is in the valid range
+        # For testing purposes, we'll just take the modulus
+        priv_key = priv_key % EC_ORDER
+        if priv_key == 0:
+            priv_key = 1
+
+        return self._ec_mult(priv_key, EC_GEN)
+
+    def _inv_mod_curve_size(self, x: int) -> int:
+        """
+        Calculate the modular inverse of x modulo the curve order.
+
+        Args:
+            x: The value to invert
+
+        Returns:
+            int: The modular inverse
+        """
+        return self._div_mod(1, x, EC_ORDER)
+
+    def _div_mod(self, n: int, m: int, p: int) -> int:
+        """
+        Calculate (n / m) mod p.
+
+        Args:
+            n: The numerator
+            m: The denominator
+            p: The modulus
+
+        Returns:
+            int: The result of the division modulo p
+        """
+        return (n * pow(m, -1, p)) % p
+
+    def _is_quad_residue(self, n: int, p: int) -> bool:
+        """
+        Check if n is a quadratic residue modulo p.
+
+        Args:
+            n: The number to check
+            p: The modulus
+
+        Returns:
+            bool: True if n is a quadratic residue modulo p, False otherwise
+        """
+        return pow(n, (p - 1) // 2, p) == 1
+
+    def _sqrt_mod(self, n: int, p: int) -> int:
+        """
+        Calculate the square root of n modulo p.
+
+        Args:
+            n: The number to take the square root of
+            p: The modulus
+
+        Returns:
+            int: The square root of n modulo p
+        """
+        # Handle the case where p = 3 mod 4
+        if p % 4 == 3:
+            return pow(n, (p + 1) // 4, p)
+
+        # Handle the general case using the Tonelli-Shanks algorithm
+        q = p - 1
+        s = 0
+        while q % 2 == 0:
+            q //= 2
+            s += 1
+
+        # Find a non-residue
+        z = 2
+        while self._is_quad_residue(z, p):
+            z += 1
+
+        m = s
+        c = pow(z, q, p)
+        t = pow(n, q, p)
+        r = pow(n, (q + 1) // 2, p)
+
+        while t != 1:
+            # Find the least i, 0 < i < m, such that t^(2^i) = 1
+            i = 0
+            t_sq = t
+            while t_sq != 1 and i < m - 1:
+                t_sq = (t_sq * t_sq) % p
+                i += 1
+
+            # Calculate b = c^(2^(m-i-1))
+            b = pow(c, 2**(m - i - 1), p)
+
+            m = i
+            c = (b * b) % p
+            t = (t * b * b) % p
+            r = (r * b) % p
+
+        return r
+
+    def _get_y_coordinate(self, x: int) -> int:
+        """
+        Given the x coordinate of a point, returns a possible y coordinate such that
+        together the point (x,y) is on the curve.
+
+        Args:
+            x: The x coordinate
+
+        Returns:
+            int: A possible y coordinate
+
+        Raises:
+            ValueError: If x is not a valid x coordinate on the curve
+        """
+        y_squared = (x * x * x + ALPHA * x + BETA) % FIELD_PRIME
+        if not self._is_quad_residue(y_squared, FIELD_PRIME):
+            raise ValueError("Given x coordinate does not represent any point on the elliptic curve.")
+
+        return self._sqrt_mod(y_squared, FIELD_PRIME)
+
+    def _ec_add(self, p1: Tuple[int, int], p2: Tuple[int, int]) -> Tuple[int, int]:
+        """
+        Add two points on the elliptic curve.
+
+        Args:
+            p1: The first point as (x, y) coordinates
+            p2: The second point as (x, y) coordinates
+
+        Returns:
+            Tuple[int, int]: The resulting point as (x, y) coordinates
+        """
+        if p1[0] == p2[0]:
+            if (p1[1] + p2[1]) % FIELD_PRIME == 0:
+                # The points are negatives of each other, return the point at infinity
+                # We represent the point at infinity as None, but this should never happen
+                # in our use case, so we raise an exception instead
+                raise ValueError("Points are negatives of each other")
+
+            # The points are the same, so we're doubling
+            return self._ec_double(p1)
+
+        # Calculate the slope
+        slope = self._div_mod(p2[1] - p1[1], p2[0] - p1[0], FIELD_PRIME)
+
+        # Calculate the new point
+        x3 = (slope * slope - p1[0] - p2[0]) % FIELD_PRIME
+        y3 = (slope * (p1[0] - x3) - p1[1]) % FIELD_PRIME
+
+        return (x3, y3)
+
+    def _ec_double(self, p: Tuple[int, int]) -> Tuple[int, int]:
+        """
+        Double a point on the elliptic curve.
+
+        Args:
+            p: The point to double as (x, y) coordinates
+
+        Returns:
+            Tuple[int, int]: The resulting point as (x, y) coordinates
+        """
+        # Calculate the slope
+        slope = self._div_mod(3 * p[0] * p[0] + ALPHA, 2 * p[1], FIELD_PRIME)
+
+        # Calculate the new point
+        x3 = (slope * slope - 2 * p[0]) % FIELD_PRIME
+        y3 = (slope * (p[0] - x3) - p[1]) % FIELD_PRIME
+
+        return (x3, y3)
+
+    def _ec_mult(self, m: int, p: Tuple[int, int]) -> Tuple[int, int]:
+        """
+        Multiply a point on the elliptic curve by a scalar.
+
+        Args:
+            m: The scalar
+            p: The point as (x, y) coordinates
+
+        Returns:
+            Tuple[int, int]: The resulting point as (x, y) coordinates
+        """
+        if m == 0:
+            raise ValueError("Cannot multiply by 0")
+
+        if m == 1:
+            return p
+
+        if m % 2 == 0:
+            return self._ec_mult(m // 2, self._ec_double(p))
+        else:
+            return self._ec_add(p, self._ec_mult(m - 1, p))
@@ -0,0 +1,96 @@
+from typing import Dict, Any
+
+from ..internal.async_client import AsyncClient
+
+
+class Client:
+    """Client for metadata-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the metadata client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_metadata(self) -> Dict[str, Any]:
+        """
+        Get the exchange metadata.
+
+        Returns:
+            Dict[str, Any]: The exchange metadata
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/meta/getMetaData"
+
+        try:
+            async with self.async_client.session.get(url) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
+
+    async def get_server_time(self) -> Dict[str, Any]:
+        """
+        Get the current server time.
+
+        Returns:
+            Dict[str, Any]: The server time information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/meta/getServerTime"
+
+        try:
+            async with self.async_client.session.get(url) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
@@ -0,0 +1,343 @@
+import math
+import time
+from decimal import Decimal
+from typing import Dict, Any, Optional, List
+
+from ..internal.async_client import AsyncClient
+from .types import (
+    CreateOrderParams,
+    CancelOrderParams,
+    GetActiveOrderParams,
+    OrderFillTransactionParams,
+    TimeInForce,
+    OrderType
+)
+
+
+class Client:
+    """Client for order-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the order client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def create_order(self, params: CreateOrderParams, metadata: Dict[str, Any]) -> Dict[str, Any]:
+        """
+        Create a new order with the given parameters.
+
+        Args:
+            params: Order parameters
+            metadata: Exchange metadata
+
+        Returns:
+            Dict[str, Any]: The created order
+
+        Raises:
+            ValueError: If required parameters are missing or invalid
+        """
+        # Set default TimeInForce based on order type if not specified
+        if not params.time_in_force:
+            if params.type == OrderType.MARKET:
+                params.time_in_force = TimeInForce.IMMEDIATE_OR_CANCEL
+            elif params.type == OrderType.LIMIT:
+                params.time_in_force = TimeInForce.GOOD_TIL_CANCEL
+
+        # Find the contract from metadata
+        contract = None
+        contract_list = metadata.get("contractList", [])
+        for c in contract_list:
+            if c.get("contractId") == params.contract_id:
+                contract = c
+                break
+
+        if not contract:
+            raise ValueError(f"contract not found: {params.contract_id}")
+
+        # Get collateral coin from metadata
+        global_data = metadata.get("global", {})
+        collateral_coin = global_data.get("starkExCollateralCoin", {})
+
+        # Parse decimal values
+        try:
+            size = Decimal(params.size)
+            price = Decimal(params.price)
+        except (ValueError, TypeError):
+            raise ValueError("failed to parse size or price")
+
+        # Convert hex resolution to decimal
+        hex_resolution = contract.get("starkExResolution", "0x0")
+        # Remove "0x" prefix if present
+        hex_resolution = hex_resolution.replace("0x", "")
+        # Parse hex string to int
+        try:
+            resolution_int = int(hex_resolution, 16)
+            resolution = Decimal(resolution_int)
+        except (ValueError, TypeError):
+            raise ValueError("failed to parse hex resolution")
+
+        client_order_id = params.client_order_id or self.async_client.generate_uuid()
+
+        # Calculate values
+        value_dm = price * size
+        amount_synthetic = int(size * resolution)
+        amount_collateral = int(value_dm * Decimal("1000000"))  # Shift 6 decimal places
+
+        # Calculate fee based on order type (maker/taker)
+        try:
+            fee_rate = Decimal(contract.get("defaultTakerFeeRate", "0"))
+        except (ValueError, TypeError):
+            raise ValueError("failed to parse fee rate")
+
+        # Calculate fee amount in decimal with ceiling to integer
+        amount_fee_dm = Decimal(str(math.ceil(float(value_dm * fee_rate))))
+        amount_fee_str = str(amount_fee_dm)
+
+        # Convert to the required integer format for the protocol
+        amount_fee = int(amount_fee_dm * Decimal("1000000"))  # Shift 6 decimal places
+
+        nonce = self.async_client.calc_nonce(client_order_id)
+        l2_expire_time = int(time.time() * 1000) + (14 * 24 * 60 * 60 * 1000)  # 14 days
+
+        # Calculate signature using asset IDs from metadata
+        expire_time_unix = l2_expire_time // (60 * 60 * 1000)
+
+        sig_hash = self.async_client.calc_limit_order_hash(
+            contract.get("starkExSyntheticAssetId", ""),
+            collateral_coin.get("starkExAssetId", ""),
+            collateral_coin.get("starkExAssetId", ""),
+            params.side.value == "BUY",
+            amount_synthetic,
+            amount_collateral,
+            amount_fee,
+            nonce,
+            self.async_client.get_account_id(),
+            expire_time_unix
+        )
+
+        # Sign the order
+        sig = self.async_client.sign(sig_hash)
+
+        # Convert signature to string (include v component like Go SDK, even though it's empty)
+        sig_str = f"{sig.r}{sig.s}{sig.v if hasattr(sig, 'v') and sig.v else ''}"
+
+
+
+        # Create order request
+        account_id = str(self.async_client.get_account_id())
+        nonce_str = str(nonce)
+        l2_expire_time_str = str(l2_expire_time)
+        expire_time_str = str(l2_expire_time - 864000000)  # 10 days earlier
+        value_str = str(value_dm)
+
+        price_str = params.price if params.type == OrderType.LIMIT else "0"
+
+        # Prepare request data
+        request_data = {
+            "accountId": account_id,
+            "contractId": params.contract_id,
+            "price": price_str,
+            "size": params.size,
+            "type": params.type.value,  # Use .value to get the string value
+            "timeInForce": params.time_in_force.value,  # Use .value to get the string value
+            "side": params.side.value,  # Use .value to get the string value
+            "l2Signature": sig_str,
+            "l2Nonce": nonce_str,
+            "l2ExpireTime": l2_expire_time_str,
+            "l2Value": value_str,
+            "l2Size": params.size,
+            "l2LimitFee": amount_fee_str,
+            "clientOrderId": client_order_id,
+            "expireTime": expire_time_str,
+            "reduceOnly": params.reduce_only
+        }
+
+        # Execute request using async client
+        return await self.async_client.make_authenticated_request(
+            method="POST",
+            path="/api/v1/private/order/createOrder",
+            data=request_data
+        )
+
+    async def cancel_order(self, params: CancelOrderParams) -> Dict[str, Any]:
+        """
+        Cancel a specific order.
+
+        Args:
+            params: Cancel order parameters
+
+        Returns:
+            Dict[str, Any]: The cancellation result
+
+        Raises:
+            ValueError: If required parameters are missing or invalid
+        """
+        account_id = str(self.async_client.get_account_id())
+
+        if params.order_id:
+            path = "/api/v1/private/order/cancelOrderById"
+            request_data = {
+                "accountId": account_id,
+                "orderIdList": [params.order_id]
+            }
+        elif params.client_id:
+            path = "/api/v1/private/order/cancelOrderByClientOrderId"
+            request_data = {
+                "accountId": account_id,
+                "clientOrderIdList": [params.client_id]
+            }
+        elif params.contract_id:
+            path = "/api/v1/private/order/cancelAllOrder"
+            request_data = {
+                "accountId": account_id,
+                "filterContractIdList": [params.contract_id]
+            }
+        else:
+            raise ValueError("must provide either order_id, client_id, or contract_id")
+
+        # Execute request using async client
+        return await self.async_client.make_authenticated_request(
+            method="POST",
+            path=path,
+            data=request_data
+        )
+
+    async def get_active_orders(self, params: GetActiveOrderParams) -> Dict[str, Any]:
+        """
+        Get active orders with pagination and filters.
+
+        Args:
+            params: Active order query parameters
+
+        Returns:
+            Dict[str, Any]: The active orders
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Build query parameters
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+        if params.filter_contract_id_list:
+            query_params["filterContractIdList"] = ",".join(params.filter_contract_id_list)
+        if params.filter_type_list:
+            query_params["filterTypeList"] = ",".join(params.filter_type_list)
+        if params.filter_status_list:
+            query_params["filterStatusList"] = ",".join(params.filter_status_list)
+
+        # Add boolean filters
+        if params.filter_is_liquidate is not None:
+            query_params["filterIsLiquidateList"] = str(params.filter_is_liquidate).lower()
+        if params.filter_is_deleverage is not None:
+            query_params["filterIsDeleverageList"] = str(params.filter_is_deleverage).lower()
+        if params.filter_is_position_tpsl is not None:
+            query_params["filterIsPositionTpslList"] = str(params.filter_is_position_tpsl).lower()
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        # Execute request using async client
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/order/getActiveOrderPage",
+            params=query_params
+        )
+
+    async def get_order_fill_transactions(self, params: OrderFillTransactionParams) -> Dict[str, Any]:
+        """
+        Get order fill transactions with pagination and filters.
+
+        Args:
+            params: Order fill transaction query parameters
+
+        Returns:
+            Dict[str, Any]: The order fill transactions
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Build query parameters
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+        if params.filter_contract_id_list:
+            query_params["filterContractIdList"] = ",".join(params.filter_contract_id_list)
+        if params.filter_order_id_list:
+            query_params["filterOrderIdList"] = ",".join(params.filter_order_id_list)
+
+        # Add boolean filters
+        if params.filter_is_liquidate is not None:
+            query_params["filterIsLiquidateList"] = str(params.filter_is_liquidate).lower()
+        if params.filter_is_deleverage is not None:
+            query_params["filterIsDeleverageList"] = str(params.filter_is_deleverage).lower()
+        if params.filter_is_position_tpsl is not None:
+            query_params["filterIsPositionTpslList"] = str(params.filter_is_position_tpsl).lower()
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        # Execute request using async client
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/order/getHistoryOrderFillTransactionPage",
+            params=query_params
+        )
+
+    async def get_max_order_size(self, contract_id: str, price: float) -> Dict[str, Any]:
+        """
+        Get the maximum order size for a given contract and price.
+
+        Args:
+            contract_id: The contract ID
+            price: The price
+
+        Returns:
+            Dict[str, Any]: The maximum order size information
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Build request body (API expects POST with JSON body)
+        data = {
+            "accountId": str(self.async_client.get_account_id()),
+            "contractId": contract_id,
+            "price": str(price)
+        }
+
+        # Execute request using async client
+        return await self.async_client.make_authenticated_request(
+            method="POST",
+            path="/api/v1/private/order/getMaxCreateOrderSize",
+            data=data
+        )
@@ -0,0 +1,165 @@
+from dataclasses import dataclass
+from enum import Enum
+from typing import List, Optional, Dict, Any
+
+
+class TimeInForce(str, Enum):
+    """Time in force options for orders."""
+    UNKNOWN_TIME_IN_FORCE = "UNKNOWN_TIME_IN_FORCE"
+    GOOD_TIL_CANCEL = "GOOD_TIL_CANCEL"
+    FILL_OR_KILL = "FILL_OR_KILL"
+    IMMEDIATE_OR_CANCEL = "IMMEDIATE_OR_CANCEL"
+    POST_ONLY = "POST_ONLY"
+
+
+class OrderSide(str, Enum):
+    """Order side options."""
+    BUY = "BUY"
+    SELL = "SELL"
+
+
+class ResponseCode(str, Enum):
+    """API response codes."""
+    SUCCESS = "SUCCESS"
+
+
+class OrderType(str, Enum):
+    """Order type options."""
+    UNKNOWN = "UNKNOWN_ORDER_TYPE"
+    LIMIT = "LIMIT"
+    MARKET = "MARKET"
+    STOP_LIMIT = "STOP_LIMIT"
+    STOP_MARKET = "STOP_MARKET"
+    TAKE_PROFIT_LIMIT = "TAKE_PROFIT_LIMIT"
+    TAKE_PROFIT_MARKET = "TAKE_PROFIT_MARKET"
+
+
+@dataclass
+class OrderFilterParams:
+    """Common filter types used across different order APIs."""
+    filter_coin_id_list: List[str] = None  # Filter by coin IDs, empty means all coins
+    filter_contract_id_list: List[str] = None  # Filter by contract IDs, empty means all contracts
+    filter_type_list: List[str] = None  # Filter by order types
+    filter_status_list: List[str] = None  # Filter by order statuses
+    filter_is_liquidate: Optional[bool] = None  # Filter by liquidation status
+    filter_is_deleverage: Optional[bool] = None  # Filter by deleverage status
+    filter_is_position_tpsl: Optional[bool] = None  # Filter by position take-profit/stop-loss status
+    
+    def __post_init__(self):
+        """Initialize empty lists."""
+        if self.filter_coin_id_list is None:
+            self.filter_coin_id_list = []
+        if self.filter_contract_id_list is None:
+            self.filter_contract_id_list = []
+        if self.filter_type_list is None:
+            self.filter_type_list = []
+        if self.filter_status_list is None:
+            self.filter_status_list = []
+
+
+@dataclass
+class PaginationParams:
+    """Common pagination parameters."""
+    size: str = ""  # Size of the page, must be greater than 0 and less than or equal to 100/200
+    offset_data: str = ""  # Offset data for pagination. Empty string gets the first page
+
+
+@dataclass
+class OrderFillTransactionParams(PaginationParams, OrderFilterParams):
+    """Parameters for getting order fill transactions."""
+    filter_order_id_list: List[str] = None  # Filter by order IDs, empty means all orders
+    filter_start_created_time_inclusive: int = 0  # Filter start time (inclusive), 0 means from earliest
+    filter_end_created_time_exclusive: int = 0  # Filter end time (exclusive), 0 means until latest
+    
+    def __post_init__(self):
+        """Initialize empty lists."""
+        super().__post_init__()
+        if self.filter_order_id_list is None:
+            self.filter_order_id_list = []
+
+
+@dataclass
+class GetActiveOrderParams(PaginationParams, OrderFilterParams):
+    """Parameters for getting active orders."""
+    filter_start_created_time_inclusive: int = 0  # Filter start time (inclusive), 0 means from earliest
+    filter_end_created_time_exclusive: int = 0  # Filter end time (exclusive), 0 means until latest
+
+
+@dataclass
+class GetHistoryOrderParams(PaginationParams, OrderFilterParams):
+    """Parameters for getting historical orders."""
+    filter_start_created_time_inclusive: int = 0  # Filter start time (inclusive), 0 means from earliest
+    filter_end_created_time_exclusive: int = 0  # Filter end time (exclusive), 0 means until latest
+
+
+@dataclass
+class CreateOrderParams:
+    """Parameters for creating an order."""
+    contract_id: str
+    price: str
+    size: str
+    type: OrderType
+    side: str
+    client_order_id: Optional[str] = None
+    l2_expire_time: Optional[int] = None
+    time_in_force: Optional[str] = None
+    reduce_only: bool = False
+
+
+@dataclass
+class CancelOrderParams:
+    """Parameters for canceling orders."""
+    order_id: str = ""  # Order ID to cancel
+    client_id: str = ""  # Client order ID to cancel
+    contract_id: str = ""  # Contract ID for canceling all orders
+
+
+class OrderResponse:
+    """Response from creating an order."""
+    code: str
+    data: Dict[str, Any]
+    error_param: Optional[Dict[str, Any]]
+    request_time: str
+    response_time: str
+    trace_id: str
+    
+    def __init__(self, response_data: Dict[str, Any]):
+        """Initialize from response data."""
+        self.code = response_data.get("code", "")
+        self.data = response_data.get("data", {})
+        self.error_param = response_data.get("errorParam")
+        self.request_time = response_data.get("requestTime", "")
+        self.response_time = response_data.get("responseTime", "")
+        self.trace_id = response_data.get("traceId", "")
+
+
+class MaxOrderSizeResponse(OrderResponse):
+    """Response from getting max order size."""
+    pass
+
+
+class OrderListResponse(OrderResponse):
+    """Response from getting a list of orders."""
+    pass
+
+
+class OrderPageResponse(OrderResponse):
+    """Response from getting paginated orders."""
+    pass
+
+
+class OrderFillTransactionResponse(OrderResponse):
+    """Response from getting order fill transactions."""
+    pass
+
+
+@dataclass
+class OrderFillFilterParams(OrderFilterParams):
+    """Parameters for filtering order fill transactions."""
+    filter_order_id_list: List[str] = None  # Filter by order IDs, empty means all orders
+    
+    def __post_init__(self):
+        """Initialize empty lists."""
+        super().__post_init__()
+        if self.filter_order_id_list is None:
+            self.filter_order_id_list = []
@@ -0,0 +1,312 @@
+from typing import Dict, Any, List
+
+from ..internal.async_client import AsyncClient
+
+
+class GetKLineParams:
+    """Parameters for getting K-line data."""
+
+    def __init__(
+        self,
+        contract_id: str,
+        interval: str,
+        size: str = "",
+        offset_data: str = "",
+        filter_start_time_inclusive: int = 0,
+        filter_end_time_exclusive: int = 0
+    ):
+        self.contract_id = contract_id
+        self.interval = interval
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_start_time_inclusive = filter_start_time_inclusive
+        self.filter_end_time_exclusive = filter_end_time_exclusive
+
+
+class GetOrderBookDepthParams:
+    """Parameters for getting order book depth."""
+
+    def __init__(
+        self,
+        contract_id: str,
+        limit: int = 50
+    ):
+        self.contract_id = contract_id
+        self.limit = limit
+
+
+class GetMultiContractKLineParams:
+    """Parameters for getting K-line data for multiple contracts."""
+
+    def __init__(
+        self,
+        contract_id_list: List[str],
+        interval: str,
+        limit: int = 1
+    ):
+        self.contract_id_list = contract_id_list
+        self.interval = interval
+        self.limit = limit
+
+
+class Client:
+    """Client for quote-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the quote client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_quote_summary(self, contract_id: str) -> Dict[str, Any]:
+        """
+        Get the quote summary for a given contract.
+
+        Args:
+            contract_id: The contract ID
+
+        Returns:
+            Dict[str, Any]: The quote summary
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getTicketSummary"
+        params = {
+            "contractId": contract_id
+        }
+
+        try:
+            async with self.async_client.session.get(url, params=params) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
+
+    async def get_24_hour_quote(self, contract_id: str) -> Dict[str, Any]:
+        """
+        Get the 24-hour quotes for a given contract.
+
+        Args:
+            contract_id: The contract ID
+
+        Returns:
+            Dict[str, Any]: The 24-hour quotes
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getTicker"
+        params = {
+            "contractId": contract_id
+        }
+
+        try:
+            async with self.async_client.session.get(url, params=params) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
+
+    async def get_k_line(self, params: GetKLineParams) -> Dict[str, Any]:
+        """
+        Get the K-line data for a contract.
+
+        Args:
+            params: K-line query parameters
+
+        Returns:
+            Dict[str, Any]: The K-line data
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getKline"
+        query_params = {
+            "contractId": params.contract_id,
+            "interval": params.interval
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add time filters
+        if params.filter_start_time_inclusive > 0:
+            query_params["filterStartTimeInclusive"] = str(params.filter_start_time_inclusive)
+        if params.filter_end_time_exclusive > 0:
+            query_params["filterEndTimeExclusive"] = str(params.filter_end_time_exclusive)
+
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getKline"
+
+        try:
+            async with self.async_client.session.get(url, params=query_params) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
+
+    async def get_order_book_depth(self, params: GetOrderBookDepthParams) -> Dict[str, Any]:
+        """
+        Get the order book depth for a contract.
+
+        Args:
+            params: Order book depth query parameters
+
+        Returns:
+            Dict[str, Any]: The order book depth
+
+        Raises:
+            ValueError: If the request fails
+        """
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getDepth"
+        query_params = {
+            "contractId": params.contract_id,
+            "level": str(params.limit)  # The API expects 'level', not 'limit'
+        }
+
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getDepth"
+
+        try:
+            async with self.async_client.session.get(url, params=query_params) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
+
+    async def get_multi_contract_k_line(self, params: GetMultiContractKLineParams) -> Dict[str, Any]:
+        """
+        Get the K-line data for multiple contracts.
+
+        Args:
+            params: Multi-contract K-line query parameters
+
+        Returns:
+            Dict[str, Any]: The K-line data for multiple contracts
+
+        Raises:
+            ValueError: If the request fails
+        """
+        # Public endpoint - use simple GET request
+        await self.async_client._ensure_session()
+
+        url = f"{self.async_client.base_url}/api/v1/public/quote/getMultiContractKline"
+        query_params = {
+            "contractIdList": ",".join(params.contract_id_list),
+            "interval": params.interval,
+            "limit": str(params.limit)
+        }
+
+        try:
+            async with self.async_client.session.get(url, params=query_params) as response:
+                if response.status != 200:
+                    try:
+                        error_detail = await response.json()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {error_detail}")
+                    except:
+                        text = await response.text()
+                        raise ValueError(f"request failed with status code: {response.status}, response: {text}")
+
+                resp_data = await response.json()
+
+                if resp_data.get("code") != "SUCCESS":
+                    error_param = resp_data.get("errorParam")
+                    if error_param:
+                        raise ValueError(f"request failed with error params: {error_param}")
+                    raise ValueError(f"request failed with code: {resp_data.get('code')}")
+
+                return resp_data
+
+        except Exception as e:
+            if isinstance(e, ValueError):
+                raise
+            raise ValueError(f"request failed: {str(e)}")
@@ -0,0 +1,288 @@
+from typing import Dict, Any, List
+
+from ..internal.async_client import AsyncClient
+
+
+class GetTransferOutByIdParams:
+    """Parameters for getting transfer out records by ID."""
+
+    def __init__(self, transfer_id_list: List[str]):
+        self.transfer_id_list = transfer_id_list
+
+
+class GetTransferInByIdParams:
+    """Parameters for getting transfer in records by ID."""
+
+    def __init__(self, transfer_id_list: List[str]):
+        self.transfer_id_list = transfer_id_list
+
+
+class GetWithdrawAvailableAmountParams:
+    """Parameters for getting available withdrawal amount."""
+
+    def __init__(self, coin_id: str):
+        self.coin_id = coin_id
+
+
+class CreateTransferOutParams:
+    """Parameters for creating a transfer out order."""
+
+    def __init__(
+        self,
+        coin_id: str,
+        amount: str,
+        address: str,
+        network: str,
+        memo: str = "",
+        client_order_id: str = None
+    ):
+        self.coin_id = coin_id
+        self.amount = amount
+        self.address = address
+        self.network = network
+        self.memo = memo
+        self.client_order_id = client_order_id
+
+
+class GetTransferOutPageParams:
+    """Parameters for getting transfer out page."""
+
+    def __init__(self, size: str = "10", offset_data: str = "", filter_coin_id_list: List[str] = None,
+                 filter_status_list: List[str] = None, filter_start_created_time_inclusive: int = 0,
+                 filter_end_created_time_exclusive: int = 0):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_coin_id_list = filter_coin_id_list or []
+        self.filter_status_list = filter_status_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class GetTransferInPageParams:
+    """Parameters for getting transfer in page."""
+
+    def __init__(self, size: str = "10", offset_data: str = "", filter_coin_id_list: List[str] = None,
+                 filter_status_list: List[str] = None, filter_start_created_time_inclusive: int = 0,
+                 filter_end_created_time_exclusive: int = 0):
+        self.size = size
+        self.offset_data = offset_data
+        self.filter_coin_id_list = filter_coin_id_list or []
+        self.filter_status_list = filter_status_list or []
+        self.filter_start_created_time_inclusive = filter_start_created_time_inclusive
+        self.filter_end_created_time_exclusive = filter_end_created_time_exclusive
+
+
+class Client:
+    """Client for transfer-related API endpoints."""
+
+    def __init__(self, async_client: AsyncClient):
+        """
+        Initialize the transfer client.
+
+        Args:
+            async_client: The async client for common functionality
+        """
+        self.async_client = async_client
+
+    async def get_transfer_out_by_id(self, params: GetTransferOutByIdParams) -> Dict[str, Any]:
+        """
+        Get transfer out records by ID.
+
+        Args:
+            params: Transfer out query parameters
+
+        Returns:
+            Dict[str, Any]: The transfer out records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id()),
+            "transferIdList": ",".join(params.transfer_id_list)
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/transfer/getTransferOutById",
+            params=query_params
+        )
+
+    async def get_transfer_in_by_id(self, params: GetTransferInByIdParams) -> Dict[str, Any]:
+        """
+        Get transfer in records by ID.
+
+        Args:
+            params: Transfer in query parameters
+
+        Returns:
+            Dict[str, Any]: The transfer in records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id()),
+            "transferIdList": ",".join(params.transfer_id_list)
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/transfer/getTransferInById",
+            params=query_params
+        )
+
+    async def get_withdraw_available_amount(self, params: GetWithdrawAvailableAmountParams) -> Dict[str, Any]:
+        """
+        Get the available withdrawal amount.
+
+        Args:
+            params: Withdrawal available amount query parameters
+
+        Returns:
+            Dict[str, Any]: The available withdrawal amount
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id()),
+            "coinId": params.coin_id
+        }
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/transfer/getTransferOutAvailableAmount",
+            params=query_params
+        )
+
+    async def create_transfer_out(self, params: CreateTransferOutParams, metadata: Dict[str, Any] = None) -> Dict[str, Any]:
+        """
+        Create a new transfer out order.
+
+        Args:
+            params: Transfer out parameters
+            metadata: Exchange metadata (optional, not used in current implementation)
+
+        Returns:
+            Dict[str, Any]: The created transfer out order
+
+        Raises:
+            ValueError: If the request fails
+        """
+        client_order_id = params.client_order_id or self.async_client.generate_uuid()
+
+        data = {
+            "accountId": str(self.async_client.get_account_id()),
+            "coinId": params.coin_id,
+            "amount": params.amount,
+            "address": params.address,
+            "network": params.network,
+            "clientOrderId": client_order_id
+        }
+
+        if params.memo:
+            data["memo"] = params.memo
+
+        # TODO: Implement signature calculation for transfer out
+        # This would require:
+        # 1. Asset ID from metadata based on coin_id
+        # 2. Receiver public key from address
+        # 3. Position IDs for sender, receiver, and fee
+        # 4. Proper expiration time calculation
+        # 5. Call to calc_transfer_hash and sign the result
+        # For now, the API call is made without signature (may fail on actual server)
+
+        return await self.async_client.make_authenticated_request(
+            method="POST",
+            path="/api/v1/private/transfer/createTransferOut",
+            data=data
+        )
+
+    async def get_transfer_out_page(
+        self,
+        params: GetTransferOutPageParams
+    ) -> Dict[str, Any]:
+        """
+        Get transfer out records with pagination.
+
+        Args:
+            params: Parameters for the request
+
+        Returns:
+            Dict[str, Any]: The transfer out records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+        if params.filter_status_list:
+            query_params["filterStatusList"] = ",".join(params.filter_status_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/transfer/getActiveTransferOut",
+            params=query_params
+        )
+
+    async def get_transfer_in_page(
+        self,
+        params: GetTransferInPageParams
+    ) -> Dict[str, Any]:
+        """
+        Get transfer in records with pagination.
+
+        Args:
+            params: Parameters for the request
+
+        Returns:
+            Dict[str, Any]: The transfer in records
+
+        Raises:
+            ValueError: If the request fails
+        """
+        query_params = {
+            "accountId": str(self.async_client.get_account_id())
+        }
+
+        # Add pagination parameters
+        if params.size:
+            query_params["size"] = params.size
+        if params.offset_data:
+            query_params["offsetData"] = params.offset_data
+
+        # Add filter parameters
+        if params.filter_coin_id_list:
+            query_params["filterCoinIdList"] = ",".join(params.filter_coin_id_list)
+        if params.filter_status_list:
+            query_params["filterStatusList"] = ",".join(params.filter_status_list)
+
+        # Add time filters
+        if params.filter_start_created_time_inclusive > 0:
+            query_params["filterStartCreatedTimeInclusive"] = str(params.filter_start_created_time_inclusive)
+        if params.filter_end_created_time_exclusive > 0:
+            query_params["filterEndCreatedTimeExclusive"] = str(params.filter_end_created_time_exclusive)
+
+        return await self.async_client.make_authenticated_request(
+            method="GET",
+            path="/api/v1/private/transfer/getActiveTransferIn",
+            params=query_params
+        )
@@ -0,0 +1,302 @@
+import asyncio
+import binascii
+import json
+import logging
+import threading
+import time
+from typing import Dict, Any, List, Optional, Callable, Union
+
+import websocket
+from Crypto.Hash import keccak
+
+from ..internal.signing_adapter import SigningAdapter
+
+from ..internal.client import Client as InternalClient
+
+
+class Client:
+    """WebSocket client for real-time data."""
+
+    def __init__(self, url: str, is_private: bool, account_id: int, stark_pri_key: str, signing_adapter: Optional[SigningAdapter] = None):
+        """
+        Initialize the WebSocket client.
+
+        Args:
+            url: WebSocket URL
+            is_private: Whether this is a private WebSocket connection
+            account_id: Account ID for authentication
+            stark_pri_key: Stark private key for signing
+        """
+        self.url = url
+        self.is_private = is_private
+        self.account_id = account_id
+        self.stark_pri_key = stark_pri_key
+
+        # Use the provided signing adapter (required)
+        if signing_adapter is None:
+            raise ValueError("signing_adapter is required")
+        self.signing_adapter = signing_adapter
+
+        self.conn = None
+        self.handlers = {}
+        self.done = threading.Event()
+        self.ping_thread = None
+        self.subscriptions = set()
+        self.on_connect_hooks = []
+        self.on_message_hooks = []
+        self.on_disconnect_hooks = []
+
+        self.logger = logging.getLogger(__name__)
+
+    def connect(self):
+        """
+        Establish a WebSocket connection.
+
+        Raises:
+            ValueError: If the connection fails
+        """
+        headers = {}
+        url = self.url
+
+        # Add timestamp parameter for both public and private connections
+        timestamp = int(time.time() * 1000)
+
+        if self.is_private:
+            # Add timestamp header
+            headers["X-edgeX-Api-Timestamp"] = str(timestamp)
+
+            # Generate signature content (no ? separator, matching Go SDK)
+            path = f"/api/v1/private/wsaccountId={self.account_id}"
+            sign_content = f"{timestamp}GET{path}"
+
+            # Hash the content
+            keccak_hash = keccak.new(digest_bits=256)
+            keccak_hash.update(sign_content.encode())
+            message_hash = keccak_hash.digest()
+
+            # Sign the message using the signing adapter
+            try:
+                r, s = self.signing_adapter.sign(message_hash, self.stark_pri_key)
+            except Exception as e:
+                raise ValueError(f"failed to sign message: {str(e)}")
+
+            # Set signature header
+            headers["X-edgeX-Api-Signature"] = f"{r}{s}"
+        else:
+            # For public connections, add timestamp as URL parameter
+            separator = "&" if "?" in url else "?"
+            url = f"{url}{separator}timestamp={timestamp}"
+
+        # Create WebSocket connection
+        try:
+            self.conn = websocket.create_connection(url, header=headers)
+        except Exception as e:
+            raise ValueError(f"failed to connect to WebSocket: {str(e)}")
+
+        # Start ping thread
+        self.done.clear()
+        self.ping_thread = threading.Thread(target=self._ping_loop)
+        self.ping_thread.daemon = True
+        self.ping_thread.start()
+
+        # Start message handling thread
+        self.message_thread = threading.Thread(target=self._handle_messages)
+        self.message_thread.daemon = True
+        self.message_thread.start()
+
+        # Call connect hooks
+        for hook in self.on_connect_hooks:
+            hook()
+
+    def close(self):
+        """Close the WebSocket connection."""
+        self.done.set()
+
+        if self.conn:
+            self.conn.close()
+            self.conn = None
+
+    def _ping_loop(self):
+        """Send periodic ping messages."""
+        while not self.done.is_set():
+            if self.conn:
+                ping_msg = {
+                    "type": "ping",
+                    "time": str(int(time.time() * 1000))
+                }
+
+                try:
+                    self.conn.send(json.dumps(ping_msg))
+                except Exception as e:
+                    self.logger.error(f"Failed to send ping: {str(e)}")
+                    break
+
+            # Wait for 30 seconds or until done
+            self.done.wait(30)
+
+    def _handle_messages(self):
+        """Process incoming WebSocket messages."""
+        while not self.done.is_set():
+            if not self.conn:
+                break
+
+            try:
+                message = self.conn.recv()
+
+                # Call message hooks
+                for hook in self.on_message_hooks:
+                    hook(message)
+
+                # Parse message
+                try:
+                    msg = json.loads(message)
+                except json.JSONDecodeError:
+                    continue
+
+                # Handle ping messages
+                if msg.get("type") == "ping":
+                    self._handle_pong(msg.get("time", ""))
+                    continue
+
+                # Handle quote events
+                if msg.get("type") == "quote-event":
+                    channel = msg.get("channel", "")
+                    channel_type = channel.split(".")[0] if "." in channel else channel
+
+                    if channel_type in self.handlers:
+                        self.handlers[channel_type](message)
+                    continue
+
+                # Call registered handlers for other message types
+                msg_type = msg.get("type", "")
+                if msg_type in self.handlers:
+                    self.handlers[msg_type](message)
+
+            except Exception as e:
+                self.logger.error(f"Error handling message: {str(e)}")
+
+                # Call disconnect hooks
+                for hook in self.on_disconnect_hooks:
+                    hook(e)
+
+                break
+
+    def _handle_pong(self, timestamp: str):
+        """
+        Send pong response to server ping.
+
+        Args:
+            timestamp: The timestamp from the ping message
+        """
+        pong_msg = {
+            "type": "pong",
+            "time": timestamp
+        }
+
+        try:
+            self.conn.send(json.dumps(pong_msg))
+        except Exception as e:
+            self.logger.error(f"Failed to send pong: {str(e)}")
+
+    def subscribe(self, topic: str, params: Dict[str, Any] = None) -> bool:
+        """
+        Subscribe to a topic (for public WebSocket).
+
+        Args:
+            topic: The topic to subscribe to
+            params: Optional parameters for the subscription
+
+        Returns:
+            bool: Whether the subscription was successful
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        if self.is_private:
+            raise ValueError("cannot subscribe on private WebSocket connection")
+
+        if not self.conn:
+            raise ValueError("WebSocket connection is not established")
+
+        sub_msg = {
+            "type": "subscribe",
+            "channel": topic
+        }
+
+        if params:
+            sub_msg.update(params)
+
+        try:
+            self.conn.send(json.dumps(sub_msg))
+            self.subscriptions.add(topic)
+            return True
+        except Exception as e:
+            raise ValueError(f"failed to subscribe: {str(e)}")
+
+    def unsubscribe(self, topic: str) -> bool:
+        """
+        Unsubscribe from a topic (for public WebSocket).
+
+        Args:
+            topic: The topic to unsubscribe from
+
+        Returns:
+            bool: Whether the unsubscription was successful
+
+        Raises:
+            ValueError: If the unsubscription fails
+        """
+        if self.is_private:
+            raise ValueError("cannot unsubscribe on private WebSocket connection")
+
+        if not self.conn:
+            raise ValueError("WebSocket connection is not established")
+
+        unsub_msg = {
+            "type": "unsubscribe",
+            "channel": topic
+        }
+
+        try:
+            self.conn.send(json.dumps(unsub_msg))
+            self.subscriptions.discard(topic)
+            return True
+        except Exception as e:
+            raise ValueError(f"failed to unsubscribe: {str(e)}")
+
+    def on_message(self, msg_type: str, handler: Callable[[str], None]):
+        """
+        Register a handler for a specific message type.
+
+        Args:
+            msg_type: The message type to handle
+            handler: The handler function
+        """
+        self.handlers[msg_type] = handler
+
+    def on_message_hook(self, hook: Callable[[str], None]):
+        """
+        Register a hook that will be called for all messages.
+
+        Args:
+            hook: The hook function
+        """
+        self.on_message_hooks.append(hook)
+
+    def on_connect(self, hook: Callable[[], None]):
+        """
+        Register a hook that will be called when connection is established.
+
+        Args:
+            hook: The hook function
+        """
+        self.on_connect_hooks.append(hook)
+
+    def on_disconnect(self, hook: Callable[[Exception], None]):
+        """
+        Register a hook that will be called when connection is closed.
+
+        Args:
+            hook: The hook function
+        """
+        self.on_disconnect_hooks.append(hook)
@@ -0,0 +1,231 @@
+import logging
+from typing import Dict, Any, List, Optional, Callable
+
+from ..internal.signing_adapter import SigningAdapter
+from ..internal.starkex_signing_adapter import StarkExSigningAdapter
+from .client import Client
+
+
+class Manager:
+    """Manager for WebSocket connections."""
+
+    def __init__(self, base_url: str, account_id: int, stark_pri_key: str, signing_adapter: Optional[SigningAdapter] = None):
+        """
+        Initialize the WebSocket manager.
+
+        Args:
+            base_url: Base WebSocket URL
+            account_id: Account ID for authentication
+            stark_pri_key: Stark private key for signing
+            signing_adapter: Optional signing adapter (defaults to StarkExSigningAdapter)
+        """
+        self.base_url = base_url
+        self.account_id = account_id
+        self.stark_pri_key = stark_pri_key
+
+        # Use StarkExSigningAdapter as default if none provided
+        if signing_adapter is None:
+            signing_adapter = StarkExSigningAdapter()
+        self.signing_adapter = signing_adapter
+
+        self.public_client = None
+        self.private_client = None
+
+        self.logger = logging.getLogger(__name__)
+
+    def get_public_client(self) -> Client:
+        """
+        Get the public WebSocket client.
+
+        Returns:
+            Client: The public WebSocket client
+        """
+        if not self.public_client:
+            self.public_client = Client(
+                url=f"{self.base_url}/api/v1/public/ws",
+                is_private=False,
+                account_id=self.account_id,
+                stark_pri_key=self.stark_pri_key,
+                signing_adapter=self.signing_adapter
+            )
+
+        return self.public_client
+
+    def get_private_client(self) -> Client:
+        """
+        Get the private WebSocket client.
+
+        Returns:
+            Client: The private WebSocket client
+        """
+        if not self.private_client:
+            self.private_client = Client(
+                url=f"{self.base_url}/api/v1/private/ws?accountId={self.account_id}",
+                is_private=True,
+                account_id=self.account_id,
+                stark_pri_key=self.stark_pri_key,
+                signing_adapter=self.signing_adapter
+            )
+
+        return self.private_client
+
+    def connect_public(self):
+        """
+        Connect to the public WebSocket.
+
+        Raises:
+            ValueError: If the connection fails
+        """
+        client = self.get_public_client()
+        client.connect()
+
+    def connect_private(self):
+        """
+        Connect to the private WebSocket.
+
+        Raises:
+            ValueError: If the connection fails
+        """
+        client = self.get_private_client()
+        client.connect()
+
+    def disconnect_public(self):
+        """Disconnect from the public WebSocket."""
+        if self.public_client:
+            self.public_client.close()
+
+    def disconnect_private(self):
+        """Disconnect from the private WebSocket."""
+        if self.private_client:
+            self.private_client.close()
+
+    def disconnect_all(self):
+        """Disconnect from all WebSockets."""
+        self.disconnect_public()
+        self.disconnect_private()
+
+    def subscribe_ticker(self, contract_id: str, handler: Callable[[str], None]):
+        """
+        Subscribe to ticker updates for a contract.
+
+        Args:
+            contract_id: The contract ID
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_public_client()
+
+        # Register handler
+        client.on_message("ticker", handler)
+
+        # Subscribe to ticker channel
+        channel = f"ticker.{contract_id}"
+        client.subscribe(channel)
+
+    def subscribe_kline(self, contract_id: str, interval: str, handler: Callable[[str], None]):
+        """
+        Subscribe to K-line updates for a contract.
+
+        Args:
+            contract_id: The contract ID
+            interval: The K-line interval
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_public_client()
+
+        # Register handler
+        client.on_message("kline", handler)
+
+        # Subscribe to kline channel
+        channel = f"kline.{contract_id}.{interval}"
+        client.subscribe(channel)
+
+    def subscribe_depth(self, contract_id: str, handler: Callable[[str], None]):
+        """
+        Subscribe to depth updates for a contract.
+
+        Args:
+            contract_id: The contract ID
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_public_client()
+
+        # Register handler
+        client.on_message("depth", handler)
+
+        # Subscribe to depth channel
+        channel = f"depth.{contract_id}"
+        client.subscribe(channel)
+
+    def subscribe_trade(self, contract_id: str, handler: Callable[[str], None]):
+        """
+        Subscribe to trade updates for a contract.
+
+        Args:
+            contract_id: The contract ID
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_public_client()
+
+        # Register handler
+        client.on_message("trade", handler)
+
+        # Subscribe to trade channel
+        channel = f"trade.{contract_id}"
+        client.subscribe(channel)
+
+    def subscribe_account_update(self, handler: Callable[[str], None]):
+        """
+        Subscribe to account updates.
+
+        Args:
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_private_client()
+
+        # Register handler
+        client.on_message("account", handler)
+
+    def subscribe_order_update(self, handler: Callable[[str], None]):
+        """
+        Subscribe to order updates.
+
+        Args:
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_private_client()
+
+        # Register handler
+        client.on_message("order", handler)
+
+    def subscribe_position_update(self, handler: Callable[[str], None]):
+        """
+        Subscribe to position updates.
+
+        Args:
+            handler: The handler function
+
+        Raises:
+            ValueError: If the subscription fails
+        """
+        client = self.get_private_client()
+
+        # Register handler
+        client.on_message("position", handler)
@@ -0,0 +1,120 @@
+# EdgeX Python SDK Examples
+
+This directory contains examples demonstrating how to use the EdgeX Python SDK.
+
+## Prerequisites
+
+Before running the examples, make sure you have installed the EdgeX Python SDK:
+
+```bash
+pip install edgex-python-sdk
+```
+
+Or, if you're working with the source code:
+
+```bash
+cd edgex-python-sdk
+pip install -e .
+```
+
+## Environment Variables
+
+The examples use the following environment variables:
+
+- `EDGEX_BASE_URL`: Base URL for HTTP API endpoints (e.g., "https://pro.edgex.exchange" for production, "https://testnet.edgex.exchange" for testnet)
+- `EDGEX_WS_URL`: Base URL for WebSocket endpoints (e.g., "wss://quote.edgex.exchange" for production, "wss://quote-testnet.edgex.exchange" for testnet)
+- `EDGEX_ACCOUNT_ID`: Your account ID
+- `EDGEX_STARK_PRIVATE_KEY`: Your stark private key
+
+You can set these variables in your environment or create a `.env` file in the examples directory:
+
+```
+EDGEX_BASE_URL=https://pro.edgex.exchange  # Use https://testnet.edgex.exchange for testnet
+EDGEX_WS_URL=wss://quote.edgex.exchange    # Use wss://quote-testnet.edgex.exchange for testnet
+EDGEX_ACCOUNT_ID=12345
+EDGEX_STARK_PRIVATE_KEY=your-stark-private-key
+```
+
+## Examples
+
+### Basic Usage
+
+The `basic_usage.py` example demonstrates the basic functionality of the SDK:
+
+- Creating a client
+- Getting server time and metadata
+- Getting account assets and positions
+- Getting market data (K-lines, order book depth)
+- Creating orders (commented out to avoid actual order creation)
+- Using WebSockets for real-time data
+
+To run the example:
+
+```bash
+python basic_usage.py
+```
+
+### Advanced Usage
+
+The `advanced_usage.py` example demonstrates more advanced features of the SDK:
+
+- Order management (creating and canceling orders)
+- WebSocket integration with proper handlers
+- Error handling
+- Pagination
+- Using a trader class to encapsulate functionality
+
+To run the example:
+
+```bash
+python advanced_usage.py
+```
+
+## Contract IDs
+
+EdgeX uses numeric contract IDs instead of symbol-based identifiers. Here are some common contract mappings:
+
+| Contract ID | Symbol        | Tick Size |
+|-------------|---------------|-----------|
+| 10000001    | BTCUSDT       | 0.1       |
+| 10000002    | ETHUSDT       | 0.01      |
+| 10000003    | SOLUSDT       | 0.01      |
+| 10000004    | BNBUSDT       | 0.01      |
+
+To get the complete list of available contracts:
+
+```python
+metadata = await client.get_metadata()
+contracts = metadata.get("data", {}).get("contractList", [])
+for contract in contracts:
+    print(f"ID: {contract['contractId']} - {contract['contractName']}")
+```
+
+## Notes
+
+- The examples include order creation code that is commented out to avoid creating actual orders. Uncomment this code if you want to create real orders.
+- The WebSocket examples will run for a short time and then disconnect. Adjust the sleep time if you want to receive more updates.
+- The examples use asyncio for asynchronous operations. Make sure you're using Python 3.7 or later.
+- All examples use numeric contract IDs (e.g., "10000001" for BTCUSDT) as required by the EdgeX API.
+- For order book depth queries, valid limit values are 15 or 200.
+
+## Customization
+
+Feel free to modify the examples to suit your needs. Some ideas:
+
+- Implement a trading strategy
+- Add more error handling
+- Implement a command-line interface
+- Create a web interface using a framework like Flask or FastAPI
+- Add logging to a file
+- Add more sophisticated order management
+
+## Troubleshooting
+
+If you encounter issues:
+
+1. Check that your environment variables are set correctly
+2. Verify that you have the latest version of the SDK
+3. Check the EdgeX API documentation for any changes
+4. Look for error messages in the console output
+5. Try with a smaller subset of functionality to isolate the issue
@@ -0,0 +1,657 @@
+"""
+Advanced usage example for the EdgeX Python SDK.
+
+This example demonstrates more advanced features of the SDK, including:
+- Order management
+- WebSocket integration
+- Error handling
+- Pagination
+"""
+
+import asyncio
+import os
+import logging
+from decimal import Decimal
+from typing import Dict, Any, List
+
+from edgex_sdk import (
+    Client,
+    OrderSide,
+    OrderType,
+    TimeInForce,
+    CreateOrderParams,
+    CancelOrderParams,
+    GetActiveOrderParams,
+    OrderFillTransactionParams,
+    GetKLineParams,
+    GetOrderBookDepthParams,
+    WebSocketManager
+)
+
+
+# Configure logging
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)
+logger = logging.getLogger(__name__)
+
+
+class EdgeXTrader:
+    """Example trader using the EdgeX Python SDK."""
+    
+    def __init__(self, base_url: str, ws_url: str, account_id: int, stark_private_key: str):
+        """
+        Initialize the trader.
+        
+        Args:
+            base_url: Base URL for API endpoints
+            ws_url: Base URL for WebSocket endpoints
+            account_id: Account ID for authentication
+            stark_private_key: Stark private key for signing
+        """
+        self.client = Client(
+            base_url=base_url,
+            account_id=account_id,
+            stark_private_key=stark_private_key
+        )
+        
+        self.ws_manager = WebSocketManager(
+            base_url=ws_url,
+            account_id=account_id,
+            stark_pri_key=stark_private_key
+        )
+        
+        self.metadata = None
+        self.contracts = {}
+        self.market_data = {}
+        self.active_orders = {}
+        self.positions = {}
+        self.assets = {}
+    
+    async def initialize(self):
+        """Initialize the trader by fetching metadata and account information."""
+        logger.info("Initializing trader...")
+        
+        try:
+            # Get metadata
+            self.metadata = await self.client.get_metadata()
+            logger.info("Metadata retrieved")
+            
+            # Extract contracts
+            contract_list = self.metadata.get("data", {}).get("contractList", [])
+            for contract in contract_list:
+                contract_id = contract.get("contractId")
+                if contract_id:
+                    self.contracts[contract_id] = contract
+            
+            logger.info(f"Found {len(self.contracts)} contracts")
+            
+            # Get account assets
+            assets_response = await self.client.get_account_asset()
+            self.assets = assets_response.get("data", {})
+            logger.info("Account assets retrieved")
+            
+            # Get account positions
+            positions_response = await self.client.get_account_positions()
+            positions_data = positions_response.get("data", {})
+            position_list = positions_data.get("positionList", [])
+            for position in position_list:
+                contract_id = position.get("contractId")
+                if contract_id:
+                    self.positions[contract_id] = position
+            
+            logger.info(f"Found {len(self.positions)} positions")
+            
+            # Get active orders
+            await self.update_active_orders()
+            
+            # Initialize WebSocket
+            await self.initialize_websocket()
+            
+            logger.info("Trader initialized successfully")
+            return True
+        
+        except Exception as e:
+            logger.error(f"Failed to initialize trader: {str(e)}")
+            return False
+    
+    async def update_active_orders(self):
+        """Update the list of active orders."""
+        try:
+            params = GetActiveOrderParams()
+            active_orders_response = await self.client.get_active_orders(params)
+            
+            order_list = active_orders_response.get("data", {}).get("list", [])
+            self.active_orders = {}
+            
+            for order in order_list:
+                order_id = order.get("orderId")
+                if order_id:
+                    self.active_orders[order_id] = order
+            
+            logger.info(f"Found {len(self.active_orders)} active orders")
+            return True
+        
+        except Exception as e:
+            logger.error(f"Failed to update active orders: {str(e)}")
+            return False
+    
+    async def initialize_websocket(self):
+        """Initialize WebSocket connections and subscriptions."""
+        try:
+            # Connect to public WebSocket
+            self.ws_manager.connect_public()
+            logger.info("Connected to public WebSocket")
+            
+            # Connect to private WebSocket
+            self.ws_manager.connect_private()
+            logger.info("Connected to private WebSocket")
+            
+            # Subscribe to account updates
+            self.ws_manager.subscribe_account_update(self.handle_account_update)
+            logger.info("Subscribed to account updates")
+            
+            # Subscribe to order updates
+            self.ws_manager.subscribe_order_update(self.handle_order_update)
+            logger.info("Subscribed to order updates")
+            
+            # Subscribe to position updates
+            self.ws_manager.subscribe_position_update(self.handle_position_update)
+            logger.info("Subscribed to position updates")
+
+            # Subscribe to market data for BTCUSDT (contract ID: 10000001)
+            self.ws_manager.subscribe_ticker("10000001", self.handle_ticker_update)
+            self.ws_manager.subscribe_kline("10000001", "1m", self.handle_kline_update)
+            self.ws_manager.subscribe_depth("10000001", self.handle_depth_update)
+            logger.info("Subscribed to market data for BTCUSDT (10000001)")
+            
+            return True
+        
+        except Exception as e:
+            logger.error(f"Failed to initialize WebSocket: {str(e)}")
+            return False
+    
+    def handle_account_update(self, message: str):
+        """
+        Handle account update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            logger.info(f"Account update: {data}")
+            
+            # Update assets
+            account_data = data.get("content", {}).get("data", {})
+            if account_data:
+                self.assets = account_data
+        
+        except Exception as e:
+            logger.error(f"Failed to handle account update: {str(e)}")
+    
+    def handle_order_update(self, message: str):
+        """
+        Handle order update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            logger.info(f"Order update: {data}")
+            
+            # Update active orders
+            asyncio.create_task(self.update_active_orders())
+        
+        except Exception as e:
+            logger.error(f"Failed to handle order update: {str(e)}")
+    
+    def handle_position_update(self, message: str):
+        """
+        Handle position update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            logger.info(f"Position update: {data}")
+            
+            # Update positions
+            position_data = data.get("content", {}).get("data", {})
+            contract_id = position_data.get("contractId")
+            
+            if contract_id:
+                self.positions[contract_id] = position_data
+        
+        except Exception as e:
+            logger.error(f"Failed to handle position update: {str(e)}")
+    
+    def handle_ticker_update(self, message: str):
+        """
+        Handle ticker update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            
+            # Extract ticker data
+            content = data.get("content", {})
+            ticker_data_list = content.get("data", [])
+
+            # Handle both single ticker and list of tickers
+            if isinstance(ticker_data_list, list) and ticker_data_list:
+                ticker_data = ticker_data_list[0]  # Take the first ticker
+            else:
+                ticker_data = ticker_data_list
+
+            contract_id = ticker_data.get("contractId") if isinstance(ticker_data, dict) else None
+            
+            if contract_id:
+                if "ticker" not in self.market_data:
+                    self.market_data["ticker"] = {}
+                
+                self.market_data["ticker"][contract_id] = ticker_data
+                logger.info(f"Ticker update for {contract_id}: {ticker_data.get('lastPrice')}")
+        
+        except Exception as e:
+            logger.error(f"Failed to handle ticker update: {str(e)}")
+    
+    def handle_kline_update(self, message: str):
+        """
+        Handle K-line update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            
+            # Extract K-line data
+            kline_data = data.get("content", {}).get("data", {})
+            contract_id = kline_data.get("contractId")
+            interval = kline_data.get("interval")
+            
+            if contract_id and interval:
+                if "kline" not in self.market_data:
+                    self.market_data["kline"] = {}
+                
+                if contract_id not in self.market_data["kline"]:
+                    self.market_data["kline"][contract_id] = {}
+                
+                self.market_data["kline"][contract_id][interval] = kline_data
+                logger.info(f"K-line update for {contract_id} {interval}: {kline_data.get('close')}")
+        
+        except Exception as e:
+            logger.error(f"Failed to handle K-line update: {str(e)}")
+    
+    def handle_depth_update(self, message: str):
+        """
+        Handle depth update messages from WebSocket.
+        
+        Args:
+            message: The WebSocket message
+        """
+        try:
+            import json
+            data = json.loads(message)
+            
+            # Extract depth data
+            depth_data = data.get("content", {}).get("data", {})
+            contract_id = depth_data.get("contractId")
+            
+            if contract_id:
+                if "depth" not in self.market_data:
+                    self.market_data["depth"] = {}
+                
+                self.market_data["depth"][contract_id] = depth_data
+                logger.info(f"Depth update for {contract_id}")
+        
+        except Exception as e:
+            logger.error(f"Failed to handle depth update: {str(e)}")
+    
+    async def create_limit_order(
+        self,
+        contract_id: str,
+        size: str,
+        price: str,
+        side: str,
+        time_in_force: str = TimeInForce.GOOD_TIL_CANCEL,
+        reduce_only: bool = False
+    ) -> Dict[str, Any]:
+        """
+        Create a limit order.
+        
+        Args:
+            contract_id: The contract ID
+            size: The order size
+            price: The order price
+            side: The order side (BUY or SELL)
+            time_in_force: The time in force
+            reduce_only: Whether the order is reduce-only
+            
+        Returns:
+            Dict[str, Any]: The created order
+            
+        Raises:
+            ValueError: If the order creation fails
+        """
+        try:
+            # Create order parameters
+            params = CreateOrderParams(
+                contract_id=contract_id,
+                size=size,
+                price=price,
+                type=OrderType.LIMIT,
+                side=side,
+                time_in_force=time_in_force,
+                reduce_only=reduce_only
+            )
+            
+            # Create the order
+            result = await self.client.create_order(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to create order: {error_param}")
+                raise ValueError(f"Failed to create order: {result.get('code')}")
+            
+            # Update active orders
+            await self.update_active_orders()
+            
+            logger.info(f"Created limit order: {result.get('data', {}).get('orderId')}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to create limit order: {str(e)}")
+            raise
+    
+    async def cancel_order(self, order_id: str) -> Dict[str, Any]:
+        """
+        Cancel an order.
+        
+        Args:
+            order_id: The order ID
+            
+        Returns:
+            Dict[str, Any]: The cancellation result
+            
+        Raises:
+            ValueError: If the order cancellation fails
+        """
+        try:
+            # Create cancel order parameters
+            params = CancelOrderParams(order_id=order_id)
+            
+            # Cancel the order
+            result = await self.client.cancel_order(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to cancel order: {error_param}")
+                raise ValueError(f"Failed to cancel order: {result.get('code')}")
+            
+            # Update active orders
+            await self.update_active_orders()
+            
+            logger.info(f"Cancelled order: {order_id}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to cancel order: {str(e)}")
+            raise
+    
+    async def cancel_all_orders(self, contract_id: str = None) -> Dict[str, Any]:
+        """
+        Cancel all orders for a contract.
+        
+        Args:
+            contract_id: The contract ID (optional)
+            
+        Returns:
+            Dict[str, Any]: The cancellation result
+            
+        Raises:
+            ValueError: If the order cancellation fails
+        """
+        try:
+            # Create cancel order parameters
+            params = CancelOrderParams(contract_id=contract_id or "")
+            
+            # Cancel the orders
+            result = await self.client.cancel_order(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to cancel orders: {error_param}")
+                raise ValueError(f"Failed to cancel orders: {result.get('code')}")
+            
+            # Update active orders
+            await self.update_active_orders()
+            
+            logger.info(f"Cancelled all orders for contract: {contract_id or 'all'}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to cancel all orders: {str(e)}")
+            raise
+    
+    async def get_order_fill_transactions(
+        self,
+        contract_id: str = None,
+        size: str = "10",
+        offset_data: str = ""
+    ) -> Dict[str, Any]:
+        """
+        Get order fill transactions.
+        
+        Args:
+            contract_id: The contract ID (optional)
+            size: The page size
+            offset_data: The offset data for pagination
+            
+        Returns:
+            Dict[str, Any]: The order fill transactions
+            
+        Raises:
+            ValueError: If the request fails
+        """
+        try:
+            # Create parameters
+            params = OrderFillTransactionParams(
+                size=size,
+                offset_data=offset_data
+            )
+            
+            if contract_id:
+                params.filter_contract_id_list = [contract_id]
+            
+            # Get order fill transactions
+            result = await self.client.get_order_fill_transactions(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to get order fill transactions: {error_param}")
+                raise ValueError(f"Failed to get order fill transactions: {result.get('code')}")
+            
+            logger.info(f"Got order fill transactions: {len(result.get('data', {}).get('list', []))}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to get order fill transactions: {str(e)}")
+            raise
+    
+    async def get_k_line(
+        self,
+        contract_id: str,
+        interval: str,
+        size: str = "100",
+        offset_data: str = ""
+    ) -> Dict[str, Any]:
+        """
+        Get K-line data.
+        
+        Args:
+            contract_id: The contract ID
+            interval: The K-line interval
+            size: The page size
+            offset_data: The offset data for pagination
+            
+        Returns:
+            Dict[str, Any]: The K-line data
+            
+        Raises:
+            ValueError: If the request fails
+        """
+        try:
+            # Create parameters
+            params = GetKLineParams(
+                contract_id=contract_id,
+                interval=interval,
+                size=size,
+                offset_data=offset_data
+            )
+            
+            # Get K-line data
+            result = await self.client.quote.get_k_line(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to get K-line data: {error_param}")
+                raise ValueError(f"Failed to get K-line data: {result.get('code')}")
+            
+            logger.info(f"Got K-line data: {len(result.get('data', {}).get('list', []))}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to get K-line data: {str(e)}")
+            raise
+    
+    async def get_order_book_depth(
+        self,
+        contract_id: str,
+        limit: int = 15
+    ) -> Dict[str, Any]:
+        """
+        Get order book depth.
+        
+        Args:
+            contract_id: The contract ID
+            limit: The depth limit (valid values are 15 or 200)
+            
+        Returns:
+            Dict[str, Any]: The order book depth
+            
+        Raises:
+            ValueError: If the request fails
+        """
+        try:
+            # Create parameters
+            params = GetOrderBookDepthParams(
+                contract_id=contract_id,
+                limit=limit
+            )
+            
+            # Get order book depth
+            result = await self.client.quote.get_order_book_depth(params)
+            
+            # Check for success
+            if result.get("code") != "SUCCESS":
+                error_param = result.get("errorParam")
+                if error_param:
+                    raise ValueError(f"Failed to get order book depth: {error_param}")
+                raise ValueError(f"Failed to get order book depth: {result.get('code')}")
+            
+            logger.info(f"Got order book depth for {contract_id}")
+            return result
+        
+        except Exception as e:
+            logger.error(f"Failed to get order book depth: {str(e)}")
+            raise
+    
+    async def close(self):
+        """Close all connections."""
+        try:
+            # Disconnect WebSocket
+            self.ws_manager.disconnect_all()
+            logger.info("Disconnected from WebSocket")
+            
+            return True
+        
+        except Exception as e:
+            logger.error(f"Failed to close connections: {str(e)}")
+            return False
+
+
+async def main():
+    """Main function."""
+    # Load configuration from environment variables
+    base_url = os.getenv("EDGEX_BASE_URL", "https://testnet.edgex.exchange")
+    ws_url = os.getenv("EDGEX_WS_URL", "wss://quote-testnet.edgex.exchange")
+    account_id = int(os.getenv("EDGEX_ACCOUNT_ID", "12345"))
+    stark_private_key = os.getenv("EDGEX_STARK_PRIVATE_KEY", "your-stark-private-key")
+    
+    # Create trader
+    trader = EdgeXTrader(
+        base_url=base_url,
+        ws_url=ws_url,
+        account_id=account_id,
+        stark_private_key=stark_private_key
+    )
+    
+    # Initialize trader
+    if not await trader.initialize():
+        logger.error("Failed to initialize trader")
+        return
+    
+    try:
+        # Get K-line data for BTCUSDT (contract ID: 10000001)
+        klines = await trader.get_k_line("10000001", "1m")
+        logger.info(f"Retrieved K-line data: {len(klines.get('data', {}).get('list', []))} entries")
+
+        # Get order book depth for BTCUSDT (contract ID: 10000001)
+        await trader.get_order_book_depth("10000001")
+        logger.info(f"Retrieved order book depth")
+
+        # Create a limit order (commented out to avoid actual order creation)
+        # order = await trader.create_limit_order(
+        #     contract_id="10000001",  # BTCUSDT
+        #     size="0.001",
+        #     price="30000",
+        #     side=OrderSide.BUY
+        # )
+        #
+        # # Cancel the order
+        # if order and order.get("data", {}).get("orderId"):
+        #     await trader.cancel_order(order.get("data", {}).get("orderId"))
+        
+        # Wait for some WebSocket updates
+        logger.info("Waiting for WebSocket updates...")
+        await asyncio.sleep(60)
+    
+    finally:
+        # Close connections
+        await trader.close()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
@@ -0,0 +1,114 @@
+"""
+Basic usage example for the EdgeX Python SDK.
+
+This example demonstrates the basic functionality of the SDK:
+- Creating a client
+- Getting server time and metadata
+- Getting account assets and positions
+- Getting market data (K-lines, order book depth)
+- Creating orders (commented out to avoid actual order creation)
+- Using WebSockets for real-time data
+"""
+
+import asyncio
+import os
+
+from edgex_sdk import (
+    Client,
+    OrderSide,
+    GetKLineParams,
+    GetOrderBookDepthParams,
+    WebSocketManager
+)
+
+
+async def main():
+    # Load configuration from environment variables
+    base_url = os.getenv("EDGEX_BASE_URL", "https://testnet.edgex.exchange")
+    account_id = int(os.getenv("EDGEX_ACCOUNT_ID", "12345"))
+    stark_private_key = os.getenv("EDGEX_STARK_PRIVATE_KEY", "your-stark-private-key")
+
+    # Create a new client
+    client = Client(
+        base_url=base_url,
+        account_id=account_id,
+        stark_private_key=stark_private_key
+    )
+
+    # Get server time
+    server_time = await client.get_server_time()
+    print(f"Server Time: {server_time}")
+
+    # Get exchange metadata
+    metadata = await client.get_metadata()
+    print(f"Available contracts: {len(metadata.get('data', {}).get('contractList', []))}")
+
+    # Get account assets
+    assets = await client.get_account_asset()
+    print(f"Account Assets: {assets}")
+
+    # Get account positions
+    positions = await client.get_account_positions()
+    print(f"Account Positions: {positions}")
+
+    # Get 24-hour market data for BNBUSDT (contract ID: 10000004)
+    quote = await client.get_24_hour_quote("10000004")
+    print(f"BNBUSDT Price: {quote}")
+
+    # Get K-line data for BTCUSDT (contract ID: 10000001)
+    kline_params = GetKLineParams(
+        contract_id="10000001",  # BTCUSDT
+        interval="1m",
+        size="10"
+    )
+    klines = await client.quote.get_k_line(kline_params)
+    print(f"K-lines: {klines}")
+
+    # Get order book depth for ETHUSDT (contract ID: 10000002)
+    depth_params = GetOrderBookDepthParams(
+        contract_id="10000002",  # ETHUSDT
+        limit=15  # Valid values are 15 or 200
+    )
+    depth = await client.quote.get_order_book_depth(depth_params)
+    print(f"Order Book Depth: {depth}")
+
+    # Create a limit order (commented out to avoid actual order creation)
+    # order = await client.create_limit_order(
+    #     contract_id="10000004",  # BNBUSDT
+    #     size="0.01",
+    #     price="600.00",
+    #     side=OrderSide.BUY
+    # )
+    # print(f"Order created: {order}")
+
+    # WebSocket example
+    ws_url = os.getenv("EDGEX_WS_URL", "wss://quote-testnet.edgex.exchange")
+    ws_manager = WebSocketManager(
+        base_url=ws_url,
+        account_id=account_id,
+        stark_pri_key=stark_private_key
+    )
+
+    # Define message handlers
+    def ticker_handler(message):
+        print(f"Ticker Update: {message}")
+
+    def kline_handler(message):
+        print(f"K-line Update: {message}")
+
+    # Connect to public WebSocket for market data
+    ws_manager.connect_public()
+
+    # Subscribe to real-time updates for BNBUSDT (contract ID: 10000004)
+    ws_manager.subscribe_ticker("10000004", ticker_handler)
+    ws_manager.subscribe_kline("10000004", "1m", kline_handler)
+
+    # Wait for updates
+    await asyncio.sleep(30)
+
+    # Disconnect all connections
+    ws_manager.disconnect_all()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
@@ -0,0 +1,7 @@
+API Endpoint Domain
+HTTP Endpoint
+Copy
+https://pro.edgex.exchange
+WebSocket Endpoint
+Copy
+wss://quote.edgex.exchange
@@ -0,0 +1,2 @@
+*.go text eol=lf
+
@@ -1,4 +1,5 @@
 .idea
 vendor
 build/*
-!build/.keep
+!build/.keep
+/build
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
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+      the terms of any separate license agreement you may have executed
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+      names, trademarks, service marks, or product names of the Licensor,
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+
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+   Copyright [yyyy] [name of copyright owner]
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+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
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+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
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+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
@@ -1,9 +1,94 @@
 # lighter-go

-In its current form, this repo serves as a starting point for anyone who wants to trade on Lighter using GO.
-It covers all the signing procedures in order to trade on Lighter with an API key.
-Minimal HTTP calls are implemented 
-On chain support, like depositing on Ethereum or modifying an API key directly with an Ethereum Tx are not supported yet. 
+This repository serves as the reference implementation of signing & hashing of Lighter transactions.
+The sharedlib is compiled for a variety of platforms.
+- macOS (darwin) dynamic library (.dylib) for arm architecture (M processor, not Intel)
+- linux shared object (.so) for both amd64 and arm architectures
+- windows .ddl (dynamic-link library) for amd64 architecture

-At the moment, its main purpose is to offer visibility on the code behind the precompiled libraries used by the Python SDK.
-If you'd like to compile your own binaries, the commands are in the `justfile`
+The go SDK implements just the core signing, as well as a small HTTP client so that users can:
+- not specify the nonce of the transaction (this will result in an HTTP call, so beware)
+- check that a client was initialized correctly, by verifying that the given API key matches the one on the server 
+
+The [Python SDK](https://github.com/elliottech/lighter-python) offers support for HTTP and WebSocket functionality as well as [examples](https://github.com/elliottech/lighter-python/tree/main/examples) on how to generate the API keys, how to create and cancel orders, generate AUTH tokens for various HTTP/WS endpoints which require them.       
+
+All generated shared libraries follow the naming convention `lighter_signer_{os}_{arch}` where os is linux/windows/darwin and arch is amd64(x86) or arm64.\
+The build & accompanying `.h` files can be found in the release notes [here](https://github.com/elliottech/lighter-go/releases).\
+If you'd like to compile your own binaries, the commands are in the `justfile`.
+
+
+## Transactions
+```
+=== Client ===
+CreateClient
+CheckClient
+
+=== API Key ===
+CreateAuthToken
+SignChangePubKey
+GenerateAPIKey
+
+=== Order ===
+SignCreateOrder
+SignCreateGroupedOrders
+SignCancelOrder
+SignCancelAllOrders
+SignModifyOrder
+
+=== Leverage & Margin ===
+SignUpdateLeverage
+SignUpdateMargin
+
+=== Transfers ===
+SignWithdraw
+SignTransfer
+
+=== Sub account & pools ===
+SignCreateSubAccount
+SignCreatePublicPool
+SignUpdatePublicPool
+SignMintShares
+SignBurnShares
+```
+
+## How to specify an account
+Accounts are loaded into the signer by calling the `CreateClient` method. If you wish to load multiple API keys in the signer, you need to call the method multiple times, each time with the correct private key.
+
+By default, signer will work out of the box with 1 client and no need to manage nonces in any specific way. Just pass `-1, 255, 0` for all methods (more explanations below).
+
+You can call `CheckClient` to verify that the provided Private key & (apiKeyIndex, accountIndex) are configured correctly. 
+This checks that the public key associated with the pair (apiKey,account) matches the one from the exchange.
+
+The majority of methods receive 3 arguments at the end:
+- `nonce`
+  - default `-1` 
+  - required to be strictly incremental
+  - you can fetch the next nonce using `nextNonce` HTTP call
+  - if default is passed, signer will do the HTTP call automatically
+  - ideally the caller should manage nonces locally to avoid latency
+- `apiKeyIndex`
+  - default `255` 
+  - specified which API key will be used for the specific transaction
+  - all API keys are equal. Orders created by one API key can be canceled by others, for example
+  - each API key has its own nonce
+  - if default is passed, signer will use the default txClient
+- `accountIndex`
+  - default `0`
+  - specified which account will be used for the specific transaction
+  - this can be a subaccount or a different main account all together 
+  - if default is passed, signer will use the default txClient
+
+**Note:** in order to use the default client, you need to bash both the default values for `apiKeyIndex` and `accountIndex`
+
+## Auth tokens
+
+Auth tokens are used to call various HTTP & WS endpoints which hold sensitive information, like open orders.
+An auth token is valid for 8 hours.
+
+`CreateAuthToken(deadline=0)` will result in a token that's valid for 7 hours from now.
+
+Calling `CreateAuthToken` with an expiry 20 hours in the future will work, but the token will start to be valid in 12 hours, because the max accepted deadline duration by the server is 8 hours. \
+This still allows you to generate all the tokens ahead of time and use them accordingly. \
+Such an approach (both implementation & how to manage them) can be found in great details in the [python-sdk](https://github.com/elliottech/lighter-python/tree/main/examples/read-only-auth).
+
+**Note:** auth tokens are bound to an API key. Changing the API key to something else **will invalidate** all generated auth tokens.  
@@ -0,0 +1,116 @@
+package client
+
+import (
+	"fmt"
+	"strings"
+	"sync"
+
+	curve "github.com/elliottech/poseidon_crypto/curve/ecgfp5"
+	schnorr "github.com/elliottech/poseidon_crypto/signature/schnorr"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+// SharedClientManager holds the global txClient and backupTxClients
+// This will be managed by both sharedlib and wasm builds
+// Supports multiple accounts and API keys with thread safety
+var (
+	txClientMu              sync.Mutex
+	defaultTxClient         *TxClient
+	defaultClientPerAccount = make(map[int64]*TxClient)
+	allTxClients            map[int64]map[uint8]*TxClient // accountIndex -> apiKeyIndex -> client
+)
+
+// GenerateAPIKey generates a new API key pair from a seed
+func GenerateAPIKey(seed string) (string, string, error) {
+	var seedP *string
+	if seed != "" {
+		seedP = &seed
+	}
+
+	key := curve.SampleScalar(seedP)
+	publicKeyStr := hexutil.Encode(schnorr.SchnorrPkFromSk(key).ToLittleEndianBytes())
+	privateKeyStr := hexutil.Encode(key.ToLittleEndianBytes())
+
+	return privateKeyStr, publicKeyStr, nil
+}
+
+// GetClient retrieves a client for specific account and API key
+// If apiKeyIndex==255 && accountIndex==-1, returns default client
+func GetClient(apiKeyIndex uint8, accountIndex int64) (*TxClient, error) {
+	txClientMu.Lock()
+	defer txClientMu.Unlock()
+
+	if apiKeyIndex == 255 && accountIndex != -1 {
+		client := defaultClientPerAccount[accountIndex]
+		if client != nil {
+			return client, nil
+		}
+	}
+
+	// Special case: return default client
+	if apiKeyIndex == 255 && accountIndex == -1 {
+		if defaultTxClient == nil {
+			return nil, fmt.Errorf("client is not created, call CreateClient() first")
+		}
+		return defaultTxClient, nil
+	}
+
+	// Look up client in double map
+	var c *TxClient
+	if allTxClients[accountIndex] != nil {
+		c = allTxClients[accountIndex][apiKeyIndex]
+	}
+
+	if c == nil {
+		return nil, fmt.Errorf("client is not created for apiKeyIndex: %v accountIndex: %v", apiKeyIndex, accountIndex)
+	}
+	return c, nil
+}
+
+// CreateClient creates a new TxClient and stores it
+// httpClientFactory is a function that creates an HTTP client from a URL string
+func CreateClient(httpClient MinimalHTTPClient, privateKey string, chainId uint32, apiKeyIndex uint8, accountIndex int64) (*TxClient, error) {
+	if accountIndex <= 0 {
+		return nil, fmt.Errorf("invalid account index")
+	}
+
+	txClientInstance, err := NewTxClient(httpClient, privateKey, accountIndex, apiKeyIndex, chainId)
+	if err != nil {
+		return nil, fmt.Errorf("error occurred when creating TxClient. err: %v", err)
+	}
+
+	txClientMu.Lock()
+	if allTxClients == nil {
+		allTxClients = make(map[int64]map[uint8]*TxClient)
+	}
+	if allTxClients[accountIndex] == nil {
+		allTxClients[accountIndex] = make(map[uint8]*TxClient)
+	}
+	allTxClients[accountIndex][apiKeyIndex] = txClientInstance
+
+	// Update default client (most recently created becomes default)
+	defaultTxClient = txClientInstance
+	defaultClientPerAccount[accountIndex] = txClientInstance
+	txClientMu.Unlock()
+
+	return txClientInstance, nil
+}
+
+// Check validates that the client exists and the API key matches the one on the server
+func (c *TxClient) Check() error {
+	// check that the API key registered on Lighter matches this one
+	publicKey, err := c.HTTP().GetApiKey(c.accountIndex, c.apiKeyIndex)
+	if err != nil {
+		return fmt.Errorf("failed to get Api Keys. err: %v", err)
+	}
+
+	pubKeyBytes := c.GetKeyManager().PubKeyBytes()
+	pubKeyStr := hexutil.Encode(pubKeyBytes[:])
+	pubKeyStr = strings.Replace(pubKeyStr, "0x", "", 1)
+
+	if publicKey != pubKeyStr {
+		return fmt.Errorf("private key does not match the one on Lighter. ownPubKey: %s response: %+v", pubKeyStr, publicKey)
+	}
+
+	return nil
+}
@@ -0,0 +1,6 @@
+# HTTP
+The HTTP module is a simple implementation that aims to provide just 2 things:
+- `GetNextNonce` so that users can send transactions w/out calling managing nonces on their side
+- `GetApiKey` so that users can call `CheckClient` from other sources, which makes sure that the client was configured correctly.
+
+Other usages, like sending trades, fetching open orders or any WebSocket operations should happen outside the core SDK.
@@ -0,0 +1,45 @@
+package http
+
+import (
+	"crypto/tls"
+	"net"
+	"net/http"
+	"time"
+
+	core "github.com/elliottech/lighter-go/client"
+)
+
+var (
+	dialer = &net.Dialer{
+		Timeout:   10 * time.Second,
+		KeepAlive: 60 * time.Second,
+	}
+	transport = &http.Transport{
+		DialContext:         dialer.DialContext,
+		MaxConnsPerHost:     1000,
+		MaxIdleConnsPerHost: 100,
+		IdleConnTimeout:     10 * time.Second,
+		TLSClientConfig:     &tls.Config{InsecureSkipVerify: false},
+	}
+
+	httpClient = &http.Client{
+		Timeout:   time.Second * 30,
+		Transport: transport,
+	}
+)
+
+var _ core.MinimalHTTPClient = (*client)(nil)
+
+type client struct {
+	endpoint string
+}
+
+func NewClient(baseUrl string) core.MinimalHTTPClient {
+	if baseUrl == "" {
+		return nil
+	}
+
+	return &client{
+		endpoint: baseUrl,
+	}
+}
@@ -0,0 +1,27 @@
+package http
+
+const (
+	CodeOK = 200
+)
+
+type ResultCode struct {
+	Code    int32  `json:"code,example=200"`
+	Message string `json:"message,omitempty"`
+}
+
+type NextNonce struct {
+	ResultCode
+	Nonce int64 `json:"nonce,example=722"`
+}
+
+type ApiKey struct {
+	AccountIndex int64  `json:"account_index,example=3"`
+	ApiKeyIndex  uint8  `json:"api_key_index,example=0"`
+	Nonce        int64  `json:"nonce,example=722"`
+	PublicKey    string `json:"public_key"`
+}
+
+type AccountApiKeys struct {
+	ResultCode
+	ApiKeys []*ApiKey `json:"api_keys"`
+}
@@ -0,0 +1,75 @@
+package http
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+func (c *client) parseResultStatus(respBody []byte) error {
+	resultStatus := &ResultCode{}
+	if err := json.Unmarshal(respBody, resultStatus); err != nil {
+		return err
+	}
+	if resultStatus.Code != CodeOK {
+		return errors.New(resultStatus.Message)
+	}
+	return nil
+}
+
+func (c *client) getAndParseL2HTTPResponse(path string, params map[string]any, result interface{}) error {
+	u, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	u.Path = path
+
+	q := u.Query()
+	for k, v := range params {
+		q.Set(k, fmt.Sprintf("%v", v))
+	}
+	u.RawQuery = q.Encode()
+	resp, err := httpClient.Get(u.String())
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode != http.StatusOK {
+		return errors.New(string(body))
+	}
+	if err = c.parseResultStatus(body); err != nil {
+		return err
+	}
+	if err := json.Unmarshal(body, result); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *client) GetNextNonce(accountIndex int64, apiKeyIndex uint8) (int64, error) {
+	result := &NextNonce{}
+	err := c.getAndParseL2HTTPResponse("api/v1/nextNonce", map[string]any{"account_index": accountIndex, "api_key_index": apiKeyIndex}, result)
+	if err != nil {
+		return -1, err
+	}
+	return result.Nonce, nil
+}
+
+func (c *client) GetApiKey(accountIndex int64, apiKeyIndex uint8) (string, error) {
+	result := &AccountApiKeys{}
+	err := c.getAndParseL2HTTPResponse("api/v1/apikeys", map[string]any{"account_index": accountIndex, "api_key_index": apiKeyIndex}, result)
+	if err != nil {
+		return "", err
+	}
+	if len(result.ApiKeys) == 0 {
+		return "", fmt.Errorf("no api keys returned")
+	}
+	return result.ApiKeys[0].PublicKey, nil
+}
@@ -0,0 +1,6 @@
+package client
+
+type MinimalHTTPClient interface {
+	GetNextNonce(accountIndex int64, apiKeyIndex uint8) (int64, error)
+	GetApiKey(accountIndex int64, apiKeyIndex uint8) (string, error)
+}
@@ -0,0 +1,104 @@
+package client
+
+import (
+	"encoding/hex"
+	"fmt"
+	"time"
+
+	"github.com/elliottech/lighter-go/signer"
+	"github.com/elliottech/lighter-go/types"
+)
+
+var (
+	// DefaultExpireTime is a public var, so it can be changed directly in the SDK if required.
+	// The encouraged behaviour is the manually specify the TX deadline in types.TransactOpts.ExpiredAt
+	DefaultExpireTime = time.Minute*10 - time.Second // we need to give a second margin, to eliminate millisecond differences
+)
+
+type TxClient struct {
+	apiClient    MinimalHTTPClient
+	chainId      uint32
+	keyManager   signer.KeyManager
+	accountIndex int64
+	apiKeyIndex  uint8
+}
+
+// NewTxClient is linked to a specific (account, apiKey) pair
+// apiKeyPrivateKey should be hex-encoded bytes generated using `hexutil.Encode(TxClient.GetKeyManager().PrvKeyBytes())`
+func NewTxClient(apiClient MinimalHTTPClient, apiKeyPrivateKey string, accountIndex int64, apiKeyIndex uint8, chainId uint32) (*TxClient, error) {
+	// remove 0x from private key, if any, and parse to bytes
+	if len(apiKeyPrivateKey) < 2 {
+		return nil, fmt.Errorf("empty private key")
+	}
+	if apiKeyPrivateKey[:2] == "0x" {
+		apiKeyPrivateKey = apiKeyPrivateKey[2:]
+	}
+
+	b, err := hex.DecodeString(apiKeyPrivateKey)
+	if err != nil {
+		return nil, err
+	}
+
+	keyManager, err := signer.NewKeyManager(b)
+	if err != nil {
+		return nil, err
+	}
+
+	return &TxClient{
+		apiClient:    apiClient,
+		apiKeyIndex:  apiKeyIndex,
+		accountIndex: accountIndex,
+		chainId:      chainId,
+		keyManager:   keyManager,
+	}, nil
+}
+
+// FullFillDefaultOps returns a usable TransactOpts object if none was provided.
+// This should not the be case for sharedlib, except for the nonce, which is optional.
+// Still, the behaviour is implemented, so it can be extended easily by extending the code GO SDK.
+func (c *TxClient) FullFillDefaultOps(ops *types.TransactOpts) (*types.TransactOpts, error) {
+	if ops == nil {
+		ops = new(types.TransactOpts)
+	}
+	if ops.ExpiredAt == 0 {
+		ops.ExpiredAt = time.Now().Add(DefaultExpireTime).UnixMilli()
+	}
+	if ops.FromAccountIndex == nil {
+		ops.FromAccountIndex = &c.accountIndex
+	}
+	if ops.ApiKeyIndex == nil {
+		ops.ApiKeyIndex = &c.apiKeyIndex
+	}
+	if ops.Nonce == nil || *ops.Nonce == -1 {
+		if c.apiClient == nil {
+			return nil, fmt.Errorf("nonce was not provided & HTTPClient is nil. Either provide the nonce or enable HTTPClient to get the nonce from Lighter")
+		}
+		nonce, err := c.apiClient.GetNextNonce(*ops.FromAccountIndex, *ops.ApiKeyIndex)
+		if err != nil {
+			return nil, err
+		}
+		ops.Nonce = &nonce
+	}
+
+	return ops, nil
+}
+
+func (c *TxClient) GetChainId() uint32 {
+	return c.chainId
+}
+
+func (c *TxClient) GetKeyManager() signer.KeyManager {
+	return c.keyManager
+}
+
+func (c *TxClient) GetAccountIndex() int64 {
+	return c.accountIndex
+}
+
+func (c *TxClient) GetApiKeyIndex() uint8 {
+	return c.apiKeyIndex
+}
+
+func (c *TxClient) HTTP() MinimalHTTPClient {
+	return c.apiClient
+}
@@ -0,0 +1,209 @@
+package client
+
+import (
+	"fmt"
+	"time"
+
+	schnorr "github.com/elliottech/poseidon_crypto/signature/schnorr"
+
+	"github.com/elliottech/lighter-go/types"
+	"github.com/elliottech/lighter-go/types/txtypes"
+)
+
+func (c *TxClient) GetAuthToken(deadline time.Time) (string, error) {
+	return types.ConstructAuthToken(c.keyManager, deadline, &types.TransactOpts{
+		ApiKeyIndex:      &c.apiKeyIndex,
+		FromAccountIndex: &c.accountIndex,
+	})
+}
+
+func (c *TxClient) GetChangePubKeyTransaction(tx *types.ChangePubKeyReq, ops *types.TransactOpts) (*txtypes.L2ChangePubKeyTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructChangePubKeyTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+
+	pk := c.keyManager.PubKeyBytes()
+	msgHash, _ := txInfo.Hash(c.chainId)
+
+	if err := schnorr.Validate(pk[:], msgHash, txInfo.Sig); err != nil {
+		return nil, fmt.Errorf("failed to validate signature. error: %v", err)
+	}
+
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCreateSubAccountTransaction(ops *types.TransactOpts) (*txtypes.L2CreateSubAccountTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructCreateSubAccountTx(c.keyManager, c.chainId, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCreatePublicPoolTransaction(tx *types.CreatePublicPoolTxReq, ops *types.TransactOpts) (*txtypes.L2CreatePublicPoolTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructCreatePublicPoolTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetUpdatePublicPoolTransaction(tx *types.UpdatePublicPoolTxReq, ops *types.TransactOpts) (*txtypes.L2UpdatePublicPoolTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructUpdatePublicPoolTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetTransferTransaction(tx *types.TransferTxReq, ops *types.TransactOpts) (*txtypes.L2TransferTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructTransferTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetWithdrawTransaction(tx *types.WithdrawTxReq, ops *types.TransactOpts) (*txtypes.L2WithdrawTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructWithdrawTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCreateOrderTransaction(tx *types.CreateOrderTxReq, ops *types.TransactOpts) (*txtypes.L2CreateOrderTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructCreateOrderTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCreateGroupedOrdersTransaction(tx *types.CreateGroupedOrdersTxReq, ops *types.TransactOpts) (*txtypes.L2CreateGroupedOrdersTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructL2CreateGroupedOrdersTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCancelOrderTransaction(tx *types.CancelOrderTxReq, ops *types.TransactOpts) (*txtypes.L2CancelOrderTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructL2CancelOrderTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetModifyOrderTransaction(tx *types.ModifyOrderTxReq, ops *types.TransactOpts) (*txtypes.L2ModifyOrderTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+
+	txInfo, err := types.ConstructL2ModifyOrderTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+
+	return txInfo, nil
+}
+
+func (c *TxClient) GetCancelAllOrdersTransaction(tx *types.CancelAllOrdersTxReq, ops *types.TransactOpts) (*txtypes.L2CancelAllOrdersTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructL2CancelAllOrdersTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetMintSharesTransaction(tx *types.MintSharesTxReq, ops *types.TransactOpts) (*txtypes.L2MintSharesTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructMintSharesTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetBurnSharesTransaction(tx *types.BurnSharesTxReq, ops *types.TransactOpts) (*txtypes.L2BurnSharesTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructBurnSharesTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetUpdateLeverageTransaction(tx *types.UpdateLeverageTxReq, ops *types.TransactOpts) (*txtypes.L2UpdateLeverageTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructUpdateLeverageTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
+
+func (c *TxClient) GetUpdateMarginTransaction(tx *types.UpdateMarginTxReq, ops *types.TransactOpts) (*txtypes.L2UpdateMarginTxInfo, error) {
+	ops, err := c.FullFillDefaultOps(ops)
+	if err != nil {
+		return nil, err
+	}
+	txInfo, err := types.ConstructUpdateMarginTx(c.keyManager, c.chainId, tx, ops)
+	if err != nil {
+		return nil, err
+	}
+	return txInfo, nil
+}
@@ -0,0 +1,28 @@
+module github.com/elliottech/lighter-go
+
+go 1.23.0
+
+toolchain go1.23.1
+
+require (
+	github.com/elliottech/poseidon_crypto v0.0.11
+	github.com/ethereum/go-ethereum v1.15.6
+)
+
+require (
+	github.com/bits-and-blooms/bitset v1.17.0 // indirect
+	github.com/consensys/bavard v0.1.22 // indirect
+	github.com/consensys/gnark-crypto v0.14.0 // indirect
+	github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a // indirect
+	github.com/crate-crypto/go-kzg-4844 v1.1.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
+	github.com/ethereum/go-verkle v0.2.2 // indirect
+	github.com/holiman/uint256 v1.3.2 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/supranational/blst v0.3.14 // indirect
+	golang.org/x/crypto v0.35.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+)
@@ -0,0 +1,76 @@
+github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
+github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
+github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
+github.com/bits-and-blooms/bitset v1.17.0 h1:1X2TS7aHz1ELcC0yU1y2stUs/0ig5oMU6STFZGrhvHI=
+github.com/bits-and-blooms/bitset v1.17.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/consensys/bavard v0.1.22 h1:Uw2CGvbXSZWhqK59X0VG/zOjpTFuOMcPLStrp1ihI0A=
+github.com/consensys/bavard v0.1.22/go.mod h1:k/zVjHHC4B+PQy1Pg7fgvG3ALicQw540Crag8qx+dZs=
+github.com/consensys/gnark-crypto v0.14.0 h1:DDBdl4HaBtdQsq/wfMwJvZNE80sHidrK3Nfrefatm0E=
+github.com/consensys/gnark-crypto v0.14.0/go.mod h1:CU4UijNPsHawiVGNxe9co07FkzCeWHHrb1li/n1XoU0=
+github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a h1:W8mUrRp6NOVl3J+MYp5kPMoUZPp7aOYHtaua31lwRHg=
+github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a/go.mod h1:sTwzHBvIzm2RfVCGNEBZgRyjwK40bVoun3ZnGOCafNM=
+github.com/crate-crypto/go-kzg-4844 v1.1.0 h1:EN/u9k2TF6OWSHrCCDBBU6GLNMq88OspHHlMnHfoyU4=
+github.com/crate-crypto/go-kzg-4844 v1.1.0/go.mod h1:JolLjpSff1tCCJKaJx4psrlEdlXuJEC996PL3tTAFks=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
+github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
+github.com/elliottech/poseidon_crypto v0.0.11 h1:iX4rCg0m1XIX/7mhXVUEYUJIdQD57zNGNLeb6RZRl7g=
+github.com/elliottech/poseidon_crypto v0.0.11/go.mod h1:NhWxSjPGr5JXRuB2Aepl/+ZrbmUG3hvku/GarB1JR8c=
+github.com/ethereum/c-kzg-4844 v1.0.0 h1:0X1LBXxaEtYD9xsyj9B9ctQEZIpnvVDeoBx8aHEwTNA=
+github.com/ethereum/c-kzg-4844 v1.0.0/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
+github.com/ethereum/go-ethereum v1.15.6 h1:jgLoUM6/pNjp0uEnXyWcWikDwa4j1wZlcqkX8Pm8A+I=
+github.com/ethereum/go-ethereum v1.15.6/go.mod h1:+S9k+jFzlyVTNcYGvqFhzN/SFhI6vA+aOY4T5tLSPL0=
+github.com/ethereum/go-verkle v0.2.2 h1:I2W0WjnrFUIzzVPwm8ykY+7pL2d4VhlsePn4j7cnFk8=
+github.com/ethereum/go-verkle v0.2.2/go.mod h1:M3b90YRnzqKyyzBEWJGqj8Qff4IDeXnzFw0P9bFw3uk=
+github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
+github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
+github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
+github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
+github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb h1:PBC98N2aIaM3XXiurYmW7fx4GZkL8feAMVq7nEjURHk=
+github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
+github.com/holiman/uint256 v1.3.2 h1:a9EgMPSC1AAaj1SZL5zIQD3WbwTuHrMGOerLjGmM/TA=
+github.com/holiman/uint256 v1.3.2/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/leanovate/gopter v0.2.11 h1:vRjThO1EKPb/1NsDXuDrzldR28RLkBflWYcU9CvzWu4=
+github.com/leanovate/gopter v0.2.11/go.mod h1:aK3tzZP/C+p1m3SPRE4SYZFGP7jjkuSI4f7Xvpt0S9c=
+github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
+github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=
+github.com/mmcloughlin/addchain v0.4.0/go.mod h1:A86O+tHqZLMNO4w6ZZ4FlVQEadcoqkyU72HC5wJ4RlU=
+github.com/mmcloughlin/profile v0.1.1/go.mod h1:IhHD7q1ooxgwTgjxQYkACGA77oFTDdFVejUS1/tS/qU=
+github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
+github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible h1:Bn1aCHHRnjv4Bl16T8rcaFjYSrGrIZvpiGO6P3Q4GpU=
+github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/supranational/blst v0.3.14 h1:xNMoHRJOTwMn63ip6qoWJ2Ymgvj7E2b9jY2FAwY+qRo=
+github.com/supranational/blst v0.3.14/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
+github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFAEVmqU=
+github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI=
+github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+Fk=
+github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
+golang.org/x/crypto v0.35.0 h1:b15kiHdrGCHrP6LvwaQ3c03kgNhhiMgvlhxHQhmg2Xs=
+golang.org/x/crypto v0.35.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0YQ=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=
@@ -0,0 +1,49 @@
+### Local builds
+
+build-darwin-local:
+    go mod vendor
+    go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-darwin-arm64.dylib ./sharedlib/main.go
+
+# Note: build-linux-local does not append -arm or amd64 at end
+build-linux-local:
+    go mod vendor
+    CGO_ENABLED=1 go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-linux.so ./sharedlib/main.go
+
+# Note: build-windows-local does not append -arm or amd64 at end
+# Windows build (requires gcc from msys2: choco install msys2)
+# CMD:        set PATH=C:\msys64\mingw64\bin;%PATH% && set CGO_ENABLED=1 && go mod vendor && go build -buildmode=c-shared -trimpath -o ./build/signer-amd64.dll ./sharedlib/main.go
+# PowerShell: $env:Path='C:\msys64\mingw64\bin;'+$env:Path; $env:CGO_ENABLED='1'; go mod vendor; go build -buildmode=c-shared -trimpath -o ./build/signer-amd64.dll ./sharedlib/main.go
+build-windows-local:
+    go mod vendor
+    $env:Path='C:\msys64\mingw64\bin;'+$env:Path; $env:CGO_ENABLED='1'; go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-windows.dll ./sharedlib/main.go
+
+### Docker builds
+
+# Note: I don't think this works TBH
+#build-darwin-arm64-docker:
+#    docker run --rm -v ${PWD}:/go/src/sdk -w /go/src/sdk golang:1.23.2-bullseye bash -c " \
+#      cd /go/src/sdk && \
+#      go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-darwin-arm64.dylib ./sharedlib"
+
+build-linux-amd64-docker:
+    go mod vendor
+    docker run --rm --platform linux/amd64 -v ${PWD}:/go/src/sdk -w /go/src/sdk golang:1.23.2-bullseye /bin/sh -c " \
+      CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-linux-amd64.so ./sharedlib"
+
+build-linux-arm64-docker:
+    go mod vendor
+    docker run --rm --platform linux/arm64 -v ${PWD}:/go/src/sdk -w /go/src/sdk golang:1.23.2-bullseye /bin/sh -c " \
+      CGO_ENABLED=1 GOOS=linux GOARCH=arm64 go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-linux-arm64.so ./sharedlib"
+
+build-windows-amd64-docker:
+    go mod vendor
+    docker run --rm --platform linux/amd64 -v ${PWD}:/go/src/sdk -w /go/src/sdk golang:1.23.2-bullseye bash -c " \
+      apt-get update && \
+      apt-get install -y gcc-mingw-w64-x86-64 && \
+      CGO_ENABLED=1 GOOS=windows GOARCH=amd64 CC=x86_64-w64-mingw32-gcc go build -buildmode=c-shared -trimpath -o ./build/lighter-signer-windows-amd64.dll ./sharedlib"
+
+### WASM builds
+
+build-wasm:
+    go mod vendor
+    GOOS=js GOARCH=wasm go build -trimpath -o ./build/lighter-signer.wasm ./wasm/
@@ -0,0 +1,690 @@
+package main
+
+import (
+	"encoding/hex"
+	"fmt"
+	"time"
+	"unsafe"
+
+	"github.com/elliottech/lighter-go/client"
+	"github.com/elliottech/lighter-go/client/http"
+	"github.com/elliottech/lighter-go/types"
+	"github.com/elliottech/lighter-go/types/txtypes"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+/*
+#include <stdlib.h>
+#include <stdint.h>
+typedef struct {
+	char* str;
+	char* err;
+} StrOrErr;
+
+typedef struct {
+	uint8_t txType;
+	char* txInfo;
+	char* txHash;
+	char* messageToSign;
+	char* err;
+} SignedTxResponse;
+
+typedef struct {
+	char* privateKey;
+	char* publicKey;
+	char* err;
+} ApiKeyResponse;
+
+typedef struct {
+    uint8_t MarketIndex;
+    int64_t ClientOrderIndex;
+    int64_t BaseAmount;
+    uint32_t Price;
+    uint8_t IsAsk;
+    uint8_t Type;
+    uint8_t TimeInForce;
+    uint8_t ReduceOnly;
+    uint32_t TriggerPrice;
+    int64_t OrderExpiry;
+} CreateOrderTxReq;
+*/
+import "C"
+
+var chainId uint32
+
+func wrapErr(err any) *C.char {
+	if err == nil {
+		return nil
+	}
+	return C.CString(fmt.Sprintf("%v", err))
+}
+
+func messageToSign(txInfo txtypes.TxInfo) string {
+	switch typed := txInfo.(type) {
+	case *txtypes.L2ChangePubKeyTxInfo:
+		return typed.GetL1SignatureBody()
+	case *txtypes.L2TransferTxInfo:
+		return typed.GetL1SignatureBody(chainId)
+	default:
+		return ""
+	}
+}
+
+func signedTxResponseErr(err any) C.SignedTxResponse {
+	return C.SignedTxResponse{err: wrapErr(err)}
+}
+
+func signedTxResponsePanic(err any) C.SignedTxResponse {
+	return signedTxResponseErr(fmt.Errorf("panic: %v", err))
+}
+
+func convertTxInfoToResponse(txInfo txtypes.TxInfo, err error) C.SignedTxResponse {
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+	if txInfo == nil {
+		return signedTxResponseErr("nil transaction info")
+	}
+
+	txInfoStr, err := txInfo.GetTxInfo()
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	resp := C.SignedTxResponse{
+		txType: C.uint8_t(txInfo.GetTxType()),
+		txInfo: C.CString(txInfoStr),
+		txHash: C.CString(txInfo.GetTxHash()),
+	}
+
+	if msg := messageToSign(txInfo); msg != "" {
+		resp.messageToSign = C.CString(msg)
+	}
+
+	return resp
+}
+
+// getClient returns the go TxClient from the specified cApiKeyIndex and cAccountIndex
+func getClient(cApiKeyIndex C.int, cAccountIndex C.longlong) (*client.TxClient, error) {
+	apiKeyIndex := uint8(cApiKeyIndex)
+	accountIndex := int64(cAccountIndex)
+	return client.GetClient(apiKeyIndex, accountIndex)
+}
+
+func getTransactOpts(cNonce C.longlong) *types.TransactOpts {
+	nonce := int64(cNonce)
+	return &types.TransactOpts{
+		Nonce: &nonce,
+	}
+}
+
+//export GenerateAPIKey
+func GenerateAPIKey(cSeed *C.char) (ret C.ApiKeyResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = C.ApiKeyResponse{err: wrapErr(fmt.Errorf("panic: %v", r))}
+		}
+	}()
+
+	seed := C.GoString(cSeed)
+	privateKeyStr, publicKeyStr, err := client.GenerateAPIKey(seed)
+	if err != nil {
+		return C.ApiKeyResponse{err: wrapErr(err)}
+	}
+
+	return C.ApiKeyResponse{
+		privateKey: C.CString(privateKeyStr),
+		publicKey:  C.CString(publicKeyStr),
+	}
+}
+
+//export CreateClient
+func CreateClient(cUrl *C.char, cPrivateKey *C.char, cChainId C.int, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret *C.char) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = wrapErr(fmt.Errorf("panic: %v", r))
+		}
+	}()
+
+	url := C.GoString(cUrl)
+	privateKey := C.GoString(cPrivateKey)
+	chainId = uint32(cChainId)
+	apiKeyIndex := uint8(cApiKeyIndex)
+	accountIndex := int64(cAccountIndex)
+
+	httpClient := http.NewClient(url)
+
+	_, err := client.CreateClient(httpClient, privateKey, chainId, apiKeyIndex, accountIndex)
+	return wrapErr(err)
+}
+
+//export CheckClient
+func CheckClient(cApiKeyIndex C.int, cAccountIndex C.longlong) (ret *C.char) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = wrapErr(fmt.Errorf("panic: %v", r))
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return wrapErr(err)
+	}
+
+	return wrapErr(c.Check())
+}
+
+//export SignChangePubKey
+func SignChangePubKey(cPubKey *C.char, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	pubKeyStr := C.GoString(cPubKey)
+	pubKeyBytes, err := hexutil.Decode(pubKeyStr)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+	if len(pubKeyBytes) != 40 {
+		return signedTxResponseErr(fmt.Errorf("invalid pub key length. expected 40 but got %v", len(pubKeyBytes)))
+	}
+	var pubKey [40]byte
+	copy(pubKey[:], pubKeyBytes)
+
+	tx := &types.ChangePubKeyReq{
+		PubKey: pubKey,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetChangePubKeyTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCreateOrder
+func SignCreateOrder(cMarketIndex C.int, cClientOrderIndex C.longlong, cBaseAmount C.longlong, cPrice C.int, cIsAsk C.int, cOrderType C.int, cTimeInForce C.int, cReduceOnly C.int, cTriggerPrice C.int, cOrderExpiry C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	marketIndex := int16(cMarketIndex)
+	clientOrderIndex := int64(cClientOrderIndex)
+	baseAmount := int64(cBaseAmount)
+	price := uint32(cPrice)
+	isAsk := uint8(cIsAsk)
+	orderType := uint8(cOrderType)
+	timeInForce := uint8(cTimeInForce)
+	reduceOnly := uint8(cReduceOnly)
+	triggerPrice := uint32(cTriggerPrice)
+	orderExpiry := int64(cOrderExpiry)
+
+	if orderExpiry == -1 {
+		orderExpiry = time.Now().Add(time.Hour * 24 * 28).UnixMilli() // 28 days
+	}
+
+	tx := &types.CreateOrderTxReq{
+		MarketIndex:      marketIndex,
+		ClientOrderIndex: clientOrderIndex,
+		BaseAmount:       baseAmount,
+		Price:            price,
+		IsAsk:            isAsk,
+		Type:             orderType,
+		TimeInForce:      timeInForce,
+		ReduceOnly:       reduceOnly,
+		TriggerPrice:     triggerPrice,
+		OrderExpiry:      orderExpiry,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCreateOrderTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCreateGroupedOrders
+func SignCreateGroupedOrders(cGroupingType C.uint8_t, cOrders *C.CreateOrderTxReq, cLen C.int, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	length := int(cLen)
+	orders := make([]*types.CreateOrderTxReq, length)
+	size := unsafe.Sizeof(*cOrders)
+
+	for i := 0; i < length; i++ {
+		order := (*C.CreateOrderTxReq)(unsafe.Pointer(uintptr(unsafe.Pointer(cOrders)) + uintptr(i)*uintptr(size)))
+
+		orderExpiry := int64(order.OrderExpiry)
+		if orderExpiry == -1 {
+			orderExpiry = time.Now().Add(time.Hour * 24 * 28).UnixMilli()
+		}
+
+		orders[i] = &types.CreateOrderTxReq{
+			MarketIndex:      int16(order.MarketIndex),
+			ClientOrderIndex: int64(order.ClientOrderIndex),
+			BaseAmount:       int64(order.BaseAmount),
+			Price:            uint32(order.Price),
+			IsAsk:            uint8(order.IsAsk),
+			Type:             uint8(order.Type),
+			TimeInForce:      uint8(order.TimeInForce),
+			ReduceOnly:       uint8(order.ReduceOnly),
+			TriggerPrice:     uint32(order.TriggerPrice),
+			OrderExpiry:      orderExpiry,
+		}
+	}
+
+	tx := &types.CreateGroupedOrdersTxReq{
+		GroupingType: uint8(cGroupingType),
+		Orders:       orders,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCreateGroupedOrdersTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCancelOrder
+func SignCancelOrder(cMarketIndex C.int, cOrderIndex C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	marketIndex := int16(cMarketIndex)
+	orderIndex := int64(cOrderIndex)
+
+	tx := &types.CancelOrderTxReq{
+		MarketIndex: marketIndex,
+		Index:       orderIndex,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCancelOrderTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignWithdraw
+func SignWithdraw(cAssetIndex C.int, cRouteType C.int, cAmount C.ulonglong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	assetIndex := int16(cAssetIndex)
+	routeType := uint8(cRouteType)
+	amount := uint64(cAmount)
+
+	tx := &types.WithdrawTxReq{
+		AssetIndex: assetIndex,
+		RouteType:  routeType,
+		Amount:     amount,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetWithdrawTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCreateSubAccount
+func SignCreateSubAccount(cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCreateSubAccountTransaction(ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCancelAllOrders
+func SignCancelAllOrders(cTimeInForce C.int, cTime C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	timeInForce := uint8(cTimeInForce)
+	t := int64(cTime)
+
+	tx := &types.CancelAllOrdersTxReq{
+		TimeInForce: timeInForce,
+		Time:        t,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCancelAllOrdersTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignModifyOrder
+func SignModifyOrder(cMarketIndex C.int, cIndex C.longlong, cBaseAmount C.longlong, cPrice C.longlong, cTriggerPrice C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	marketIndex := int16(cMarketIndex)
+	index := int64(cIndex)
+	baseAmount := int64(cBaseAmount)
+	price := uint32(cPrice)
+	triggerPrice := uint32(cTriggerPrice)
+
+	tx := &types.ModifyOrderTxReq{
+		MarketIndex:  marketIndex,
+		Index:        index,
+		BaseAmount:   baseAmount,
+		Price:        price,
+		TriggerPrice: triggerPrice,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetModifyOrderTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignTransfer
+func SignTransfer(cToAccountIndex C.longlong, cAssetIndex C.int16_t, cFromRouteType, cToRouteType C.uint8_t, cAmount, cUsdcFee C.longlong, cMemo *C.char, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	toAccountIndex := int64(cToAccountIndex)
+	assetIndex := int16(cAssetIndex)
+	fromRouteType := uint8(cFromRouteType)
+	toRouteType := uint8(cToRouteType)
+	amount := int64(cAmount)
+	usdcFee := int64(cUsdcFee)
+	memo := [32]byte{}
+	memoStr := C.GoString(cMemo)
+	if len(memoStr) == 66 {
+		if memoStr[0:2] == "0x" {
+			memoStr = memoStr[2:66]
+		} else {
+			return signedTxResponseErr(fmt.Sprintf("memo expected to be 32 bytes or 64 hex encoded or 66 if 0x hex encoded -- long but received %v", len(memoStr)))
+		}
+	}
+
+	// assume hex encoded here
+	if len(memoStr) == 64 {
+		b, err := hex.DecodeString(memoStr)
+		if err != nil {
+			return signedTxResponseErr(fmt.Sprintf("failed to decode hex string. err: %v", err))
+		}
+
+		for i := 0; i < 32; i += 1 {
+			memo[i] = b[i]
+		}
+	} else if len(memoStr) == 32 {
+		for i := 0; i < 32; i++ {
+			memo[i] = byte(memoStr[i])
+		}
+	} else {
+		return signedTxResponseErr(fmt.Sprintf("memo expected to be 32 bytes or 64 hex encoded or 66 if 0x hex encoded -- long but received %v", len(memoStr)))
+	}
+
+	tx := &types.TransferTxReq{
+		ToAccountIndex: toAccountIndex,
+		AssetIndex:     assetIndex,
+		FromRouteType:  fromRouteType,
+		ToRouteType:    toRouteType,
+		Amount:         amount,
+		USDCFee:        usdcFee,
+		Memo:           memo,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetTransferTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignCreatePublicPool
+func SignCreatePublicPool(cOperatorFee C.longlong, cInitialTotalShares C.int, cMinOperatorShareRate C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	operatorFee := int64(cOperatorFee)
+	initialTotalShares := int64(cInitialTotalShares)
+	minOperatorShareRate := uint16(cMinOperatorShareRate)
+
+	tx := &types.CreatePublicPoolTxReq{
+		OperatorFee:          operatorFee,
+		InitialTotalShares:   initialTotalShares,
+		MinOperatorShareRate: minOperatorShareRate,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetCreatePublicPoolTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignUpdatePublicPool
+func SignUpdatePublicPool(cPublicPoolIndex C.longlong, cStatus C.int, cOperatorFee C.longlong, cMinOperatorShareRate C.int, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	publicPoolIndex := int64(cPublicPoolIndex)
+	status := uint8(cStatus)
+	operatorFee := int64(cOperatorFee)
+	minOperatorShareRate := uint16(cMinOperatorShareRate)
+
+	tx := &types.UpdatePublicPoolTxReq{
+		PublicPoolIndex:      publicPoolIndex,
+		Status:               status,
+		OperatorFee:          operatorFee,
+		MinOperatorShareRate: minOperatorShareRate,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetUpdatePublicPoolTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignMintShares
+func SignMintShares(cPublicPoolIndex C.longlong, cShareAmount C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	publicPoolIndex := int64(cPublicPoolIndex)
+	shareAmount := int64(cShareAmount)
+
+	tx := &types.MintSharesTxReq{
+		PublicPoolIndex: publicPoolIndex,
+		ShareAmount:     shareAmount,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetMintSharesTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignBurnShares
+func SignBurnShares(cPublicPoolIndex C.longlong, cShareAmount C.longlong, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	publicPoolIndex := int64(cPublicPoolIndex)
+	shareAmount := int64(cShareAmount)
+
+	tx := &types.BurnSharesTxReq{
+		PublicPoolIndex: publicPoolIndex,
+		ShareAmount:     shareAmount,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetBurnSharesTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export SignUpdateLeverage
+func SignUpdateLeverage(cMarketIndex C.int, cInitialMarginFraction C.int, cMarginMode C.int, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	marketIndex := int16(cMarketIndex)
+	initialMarginFraction := uint16(cInitialMarginFraction)
+	marginMode := uint8(cMarginMode)
+
+	tx := &types.UpdateLeverageTxReq{
+		MarketIndex:           marketIndex,
+		InitialMarginFraction: initialMarginFraction,
+		MarginMode:            marginMode,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetUpdateLeverageTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+//export CreateAuthToken
+func CreateAuthToken(cDeadline C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.StrOrErr) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = C.StrOrErr{err: wrapErr(fmt.Errorf("panic: %v", r))}
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return C.StrOrErr{err: wrapErr(err)}
+	}
+
+	deadline := int64(cDeadline)
+	if deadline == 0 {
+		deadline = time.Now().Add(time.Hour * 7).Unix()
+	}
+
+	authToken, err := c.GetAuthToken(time.Unix(deadline, 0))
+	if err != nil {
+		return C.StrOrErr{err: wrapErr(err)}
+	}
+
+	return C.StrOrErr{str: C.CString(authToken)}
+}
+
+//export SignUpdateMargin
+func SignUpdateMargin(cMarketIndex C.int, cUSDCAmount C.longlong, cDirection C.int, cNonce C.longlong, cApiKeyIndex C.int, cAccountIndex C.longlong) (ret C.SignedTxResponse) {
+	defer func() {
+		if r := recover(); r != nil {
+			ret = signedTxResponsePanic(r)
+		}
+	}()
+
+	c, err := getClient(cApiKeyIndex, cAccountIndex)
+	if err != nil {
+		return signedTxResponseErr(err)
+	}
+
+	marketIndex := int16(cMarketIndex)
+	usdcAmount := int64(cUSDCAmount)
+	direction := uint8(cDirection)
+
+	tx := &types.UpdateMarginTxReq{
+		MarketIndex: marketIndex,
+		USDCAmount:  usdcAmount,
+		Direction:   direction,
+	}
+	ops := getTransactOpts(cNonce)
+
+	txInfo, err := c.GetUpdateMarginTransaction(tx, ops)
+	return convertTxInfoToResponse(txInfo, err)
+}
+
+func main() {}
@@ -0,0 +1,54 @@
+package signer
+
+import (
+	"fmt"
+	"hash"
+
+	curve "github.com/elliottech/poseidon_crypto/curve/ecgfp5"
+	gFp5 "github.com/elliottech/poseidon_crypto/field/goldilocks_quintic_extension"
+	schnorr "github.com/elliottech/poseidon_crypto/signature/schnorr"
+)
+
+type Signer interface {
+	Sign(message []byte, hFunc hash.Hash) ([]byte, error)
+}
+
+type KeyManager interface {
+	Signer
+	PubKey() gFp5.Element
+	PubKeyBytes() [40]byte
+	PrvKeyBytes() []byte
+}
+
+type keyManager struct {
+	key curve.ECgFp5Scalar
+}
+
+func NewKeyManager(b []byte) (KeyManager, error) {
+	if len(b) != 40 {
+		return nil, fmt.Errorf("invalid private key length. expected: 40 got: %v", len(b))
+	}
+	return &keyManager{key: curve.ScalarElementFromLittleEndianBytes(b)}, nil
+}
+
+func (key *keyManager) Sign(hashedMessage []byte, hFunc hash.Hash) ([]byte, error) {
+	hashedMessageAsQuinticExtension, err := gFp5.FromCanonicalLittleEndianBytes(hashedMessage)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse message while signing. message: %v err: %w", hashedMessage, err)
+	}
+	return schnorr.SchnorrSignHashedMessage(hashedMessageAsQuinticExtension, key.key).ToBytes(), nil
+}
+
+func (key *keyManager) PubKey() gFp5.Element {
+	return schnorr.SchnorrPkFromSk(key.key)
+}
+
+func (key *keyManager) PubKeyBytes() (res [40]byte) {
+	bytes := key.PubKey().ToLittleEndianBytes()
+	copy(res[:], bytes[:])
+	return
+}
+
+func (key *keyManager) PrvKeyBytes() []byte {
+	return key.key.ToLittleEndianBytes()
+}
@@ -28,17 +28,22 @@ type ChangePubKeyReq struct {

 type TransferTxReq struct {
 	ToAccountIndex int64
-	USDCAmount     int64
-	Fee            int64
+	AssetIndex     int16
+	FromRouteType  uint8
+	ToRouteType    uint8
+	Amount         int64
+	USDCFee        int64
 	Memo           [32]byte
 }

 type WithdrawTxReq struct {
-	USDCAmount uint64
+	AssetIndex int16
+	RouteType  uint8
+	Amount     uint64
 }

 type CreateOrderTxReq struct {
-	MarketIndex      uint8
+	MarketIndex      int16
 	ClientOrderIndex int64
 	BaseAmount       int64
 	Price            uint32
@@ -56,7 +61,7 @@ type CreateGroupedOrdersTxReq struct {
 }

 type ModifyOrderTxReq struct {
-	MarketIndex  uint8
+	MarketIndex  int16
 	Index        int64
 	BaseAmount   int64
 	Price        uint32
@@ -64,7 +69,7 @@ type ModifyOrderTxReq struct {
 }

 type CancelOrderTxReq struct {
-	MarketIndex uint8
+	MarketIndex int16
 	Index       int64
 }

@@ -76,14 +81,14 @@ type CancelAllOrdersTxReq struct {
 type CreatePublicPoolTxReq struct {
 	OperatorFee          int64
 	InitialTotalShares   int64
-	MinOperatorShareRate int64
+	MinOperatorShareRate uint16
 }

 type UpdatePublicPoolTxReq struct {
 	PublicPoolIndex      int64
 	Status               uint8
 	OperatorFee          int64
-	MinOperatorShareRate int64
+	MinOperatorShareRate uint16
 }

 type MintSharesTxReq struct {
@@ -97,13 +102,13 @@ type BurnSharesTxReq struct {
 }

 type UpdateLeverageTxReq struct {
-	MarketIndex           uint8
+	MarketIndex           int16
 	InitialMarginFraction uint16
 	MarginMode            uint8
 }

 type UpdateMarginTxReq struct {
-	MarketIndex uint8
+	MarketIndex int16
 	USDCAmount  int64
 	Direction   uint8
 }
@@ -468,8 +473,11 @@ func ConvertTransferTx(tx *TransferTxReq, ops *TransactOpts) *txtypes.L2Transfer
 		FromAccountIndex: *ops.FromAccountIndex,
 		ApiKeyIndex:      *ops.ApiKeyIndex,
 		ToAccountIndex:   tx.ToAccountIndex,
-		USDCAmount:       tx.USDCAmount,
-		Fee:              tx.Fee,
+		AssetIndex:       tx.AssetIndex,
+		FromRouteType:    tx.FromRouteType,
+		ToRouteType:      tx.ToRouteType,
+		Amount:           tx.Amount,
+		USDCFee:          tx.USDCFee,
 		Memo:             tx.Memo,
 		ExpiredAt:        ops.ExpiredAt,
 		Nonce:            *ops.Nonce,
@@ -563,7 +571,9 @@ func ConvertWithdrawTx(tx *WithdrawTxReq, ops *TransactOpts) *txtypes.L2Withdraw
 	return &txtypes.L2WithdrawTxInfo{
 		FromAccountIndex: *ops.FromAccountIndex,
 		ApiKeyIndex:      *ops.ApiKeyIndex,
-		USDCAmount:       tx.USDCAmount,
+		AssetIndex:       tx.AssetIndex,
+		RouteType:        tx.RouteType,
+		Amount:           tx.Amount,
 		ExpiredAt:        ops.ExpiredAt,
 		Nonce:            *ops.Nonce,
 	}
@@ -641,6 +651,7 @@ func ConvertUpdateLeverageTx(tx *UpdateLeverageTxReq, ops *TransactOpts) *txtype
 		ApiKeyIndex:           *ops.ApiKeyIndex,
 		MarketIndex:           tx.MarketIndex,
 		InitialMarginFraction: tx.InitialMarginFraction,
+		MarginMode:            tx.MarginMode,
 		ExpiredAt:             ops.ExpiredAt,
 		Nonce:                 *ops.Nonce,
 	}
@@ -49,7 +49,7 @@ func (txInfo *L2BurnSharesTxInfo) Validate() error {
 	}

 	// PublicPoolIndex
-	if txInfo.PublicPoolIndex < MinAccountIndex {
+	if txInfo.PublicPoolIndex < MinSubAccountIndex {
 		return ErrPublicPoolIndexTooLow
 	}
 	if txInfo.PublicPoolIndex > MaxAccountIndex {
@@ -73,7 +73,6 @@ func (txInfo *L2BurnSharesTxInfo) Validate() error {

 	return nil
 }
-
 func (txInfo *L2BurnSharesTxInfo) Hash(lighterChainId uint32, extra ...g.Element) (msgHash []byte, err error) {
 	elems := make([]g.Element, 0, 8)

@@ -69,7 +69,7 @@ func (txInfo *L2CancelAllOrdersTxInfo) Validate() error {
 		}
 	case AbortScheduledCancelAll:
 		if txInfo.Time != 0 {
-			return ErrCancelAllTimeIsNotInRange
+			return ErrCancelAllTimeisNotNill
 		}
 	default:
 		return ErrInvalidCancelAllTimeInForce
@@ -11,7 +11,7 @@ type L2CancelOrderTxInfo struct {
 	AccountIndex int64
 	ApiKeyIndex  uint8

-	MarketIndex uint8
+	MarketIndex int16
 	Index       int64 // Client Order Index or Order Index of the order to cancel

 	ExpiredAt  int64
@@ -50,11 +50,10 @@ func (txInfo *L2CancelOrderTxInfo) Validate() error {
 	}

 	// MarketIndex
-	if txInfo.MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
-	}
-	if txInfo.MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+	isSpotMarket := txInfo.MarketIndex >= MinSpotMarketIndex && txInfo.MarketIndex <= MaxSpotMarketIndex
+	isPerpsMarket := txInfo.MarketIndex >= MinPerpsMarketIndex && txInfo.MarketIndex <= MaxPerpsMarketIndex
+	if !isSpotMarket && !isPerpsMarket {
+		return ErrInvalidMarketIndex
 	}

 	// Index
@@ -2,35 +2,12 @@ package txtypes

 import (
 	"fmt"
-	"strings"

 	g "github.com/elliottech/poseidon_crypto/field/goldilocks"
 	p2 "github.com/elliottech/poseidon_crypto/hash/poseidon2_goldilocks"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
 )

-const (
-	templateChangePubKey = "Register Lighter Account\n\npubkey: 0x%s\nnonce: %s\naccount index: %s\napi key index: %s\nOnly sign this message for a trusted client!"
-)
-
-func getHex10FromUint64(value uint64) string {
-	v := hexutil.EncodeUint64(value)
-	v = strings.Replace(v, "0x", "", 1)
-
-	// Make sure result has fixed bytes
-	vBytes := []byte(v)
-	if len(vBytes) < 16 {
-		toAppend := make([]byte, 16-len(vBytes))
-		for i := range toAppend {
-			toAppend[i] = 48
-		}
-		vBytes = append(toAppend, vBytes...)
-	}
-
-	return fmt.Sprintf("0x%s", string(vBytes))
-}
-
 var _ TxInfo = (*L2ChangePubKeyTxInfo)(nil)

 type L2ChangePubKeyTxInfo struct {
@@ -84,7 +61,7 @@ func (txInfo *L2ChangePubKeyTxInfo) Validate() error {
 		return ErrExpiredAtInvalid
 	}

-	if !IsValidPubKey(txInfo.PubKey) {
+	if !IsValidPubKeyLength(txInfo.PubKey) {
 		return ErrPubKeyInvalid
 	}

@@ -92,7 +69,8 @@ func (txInfo *L2ChangePubKeyTxInfo) Validate() error {
 }

 func (txInfo *L2ChangePubKeyTxInfo) GetL1SignatureBody() string {
-	signatureBody := fmt.Sprintf(templateChangePubKey,
+	signatureBody := fmt.Sprintf(
+		TemplateChangePubKey,
 		common.Bytes2Hex(txInfo.PubKey),
 		getHex10FromUint64(uint64(txInfo.Nonce)),
 		getHex10FromUint64(uint64(txInfo.AccountIndex)),
@@ -101,6 +79,10 @@ func (txInfo *L2ChangePubKeyTxInfo) GetL1SignatureBody() string {
 	return signatureBody
 }

+func (txInfo *L2ChangePubKeyTxInfo) GetL1AddressBySignature() common.Address {
+	return calculateL1AddressBySignature(txInfo.GetL1SignatureBody(), txInfo.L1Sig)
+}
+
 func (txInfo *L2ChangePubKeyTxInfo) Hash(lighterChainId uint32, extra ...g.Element) (msgHash []byte, err error) {
 	elems := make([]g.Element, 0, 11)

@@ -17,6 +17,15 @@ const (
 )

 const (
+	TxTypeEmpty             = 0
+	TxTypeL1Deposit         = 1
+	TxTypeL1ChangePubKey    = 2
+	TxTypeL1CreateMarket    = 3
+	TxTypeL1UpdateMarket    = 4
+	TxTypeL1CancelAllOrders = 5
+	TxTypeL1Withdraw        = 6
+	TxTypeL1CreateOrder     = 7
+
 	TxTypeL2ChangePubKey     = 8
 	TxTypeL2CreateSubAccount = 9
 	TxTypeL2CreatePublicPool = 10
@@ -41,6 +50,7 @@ const (

 	TxTypeL2CreateGroupedOrders = 28
 	TxTypeL2UpdateMargin        = 29
+	TxTypeL1BurnShares          = 30
 )

 // Order Type
@@ -83,23 +93,57 @@ const (
 	AbortScheduledCancelAll = 2
 )

+// Asset Margin Mode
 const (
-	HashLength int = 32
+	AssetMarginMode_Disabled = 0
+	AssetMarginMode_Enabled  = 1
+	AssetMarginMode_Max      = AssetMarginMode_Enabled
+)

+// Asset Route Type
+const (
+	AssetRouteType_Perps = 0
+	AssetRouteType_Spot  = 1
+)
+
+// Position Margin Mode
+const (
+	CrossMargin    = iota
+	IsolatedMargin = 1
+)
+
+// Margin Update Direction
+const (
+	RemoveFromIsolatedMargin = iota
+	AddToIsolatedMargin      = 1
+)
+
+const (
 	OneUSDC = 1000000

-	FeeTick            int64 = 1_000_000
-	MarginFractionTick int64 = 10_000
-	ShareTick          int64 = 10_000
+	FeeTick            int64  = 1_000_000
+	MarginFractionTick int64  = 10_000
+	ShareTick          uint16 = 10_000

 	MinAccountIndex       int64 = 0
 	MaxAccountIndex       int64 = 281474976710654 // (1 << 48) - 2
-	MinApiKeyIndex        uint8 = 0
-	MaxApiKeyIndex        uint8 = 254             // (1 << 8) - 2
 	MaxMasterAccountIndex int64 = 140737488355327 // (1 << 47) - 1
+	MinSubAccountIndex    int64 = 140737488355328 // (1 << 47)
+	MinApiKeyIndex        uint8 = 0
+	MaxApiKeyIndex        uint8 = 254 // (1 << 8) - 2

-	MinMarketIndex uint8 = 0
-	MaxMarketIndex uint8 = 254 // (1 << 8) - 2
+	MinMarketIndex      int16 = 0
+	MinPerpsMarketIndex int16 = 0
+	MaxPerpsMarketIndex int16 = 254 // (1 << 8) - 2
+	NilMarketIndex      int16 = 255
+	MinSpotMarketIndex  int16 = 2048 // (1 << 11)
+	MaxSpotMarketIndex  int16 = 4094 // (1 << 12) - 2
+
+	NativeAssetIndex = uint16(1)
+	USDCAssetIndex   = uint16(3)
+	MinAssetIndex    = 1
+	MaxAssetIndex    = (1 << 6) - 2
+	NilAssetIndex    = 0

 	MaxInvestedPublicPoolCount int64 = 16
 	InitialPoolShareValue      int64 = 1_000                                             // 0.001 USDC
@@ -124,7 +168,7 @@ const (
 	MaxClientOrderIndex int64 = (1 << 48) - 1

 	MinOrderIndex int64 = MaxClientOrderIndex + 1
-	MaxOrderIndex int64 = (1 << 56) - 1
+	MaxOrderIndex int64 = (1 << 60) - 1

 	MinOrderBaseAmount int64 = 1
 	MaxOrderBaseAmount int64 = (1 << 48) - 1
@@ -162,14 +206,3 @@ const (
 	MinWithdrawalAmount uint64 = 1
 	MaxWithdrawalAmount uint64 = MaxExchangeUSDC
 )
-
-// Margin Modes
-const (
-	CrossMargin    = iota
-	IsolatedMargin = 1
-)
-
-const (
-	RemoveFromIsolatedMargin = 0
-	AddToIsolatedMargin      = 1
-)
@@ -55,11 +55,8 @@ func (txInfo *L2CreateGroupedOrdersTxInfo) Validate() error {
 	}

 	// MarketIndex for first order
-	if txInfo.Orders[0].MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
-	}
-	if txInfo.Orders[0].MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+	if txInfo.Orders[0].MarketIndex < MinPerpsMarketIndex || txInfo.Orders[0].MarketIndex > MaxPerpsMarketIndex {
+		return ErrInvalidMarketIndex
 	}

 	// Perform range checks for all orders
@@ -48,11 +48,10 @@ func (txInfo *L2CreateOrderTxInfo) Validate() error {
 	}

 	// MarketIndex
-	if txInfo.MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
-	}
-	if txInfo.MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+	isSpotMarket := txInfo.MarketIndex >= MinSpotMarketIndex && txInfo.MarketIndex <= MaxSpotMarketIndex
+	isPerpsMarket := txInfo.MarketIndex >= MinPerpsMarketIndex && txInfo.MarketIndex <= MaxPerpsMarketIndex
+	if !isSpotMarket && !isPerpsMarket {
+		return ErrInvalidMarketIndex
 	}

 	// ClientOrderIndex
@@ -89,14 +88,17 @@ func (txInfo *L2CreateOrderTxInfo) Validate() error {
 		return ErrIsAskInvalid
 	}

+	// Type
 	if txInfo.TimeInForce != ImmediateOrCancel && txInfo.TimeInForce != GoodTillTime && txInfo.TimeInForce != PostOnly {
 		return ErrOrderTimeInForceInvalid
 	}

-	if txInfo.ReduceOnly != 0 && txInfo.ReduceOnly != 1 {
+	// ReduceOnly
+	if (txInfo.ReduceOnly != 0 && txInfo.ReduceOnly != 1) || (isSpotMarket && txInfo.ReduceOnly == 1) {
 		return ErrOrderReduceOnlyInvalid
 	}

+	// OrderExpiry
 	if (txInfo.OrderExpiry < MinOrderExpiry || txInfo.OrderExpiry > MaxOrderExpiry) && txInfo.OrderExpiry != NilOrderExpiry {
 		return ErrOrderExpiryInvalid
 	}
@@ -119,7 +121,9 @@ func (txInfo *L2CreateOrderTxInfo) Validate() error {
 			return ErrOrderExpiryInvalid
 		}
 	case StopLossOrder, TakeProfitOrder:
-		if txInfo.TimeInForce != ImmediateOrCancel {
+		if !isPerpsMarket {
+			return ErrOrderTypeInvalid
+		} else if txInfo.TimeInForce != ImmediateOrCancel {
 			return ErrOrderTimeInForceInvalid
 		} else if txInfo.TriggerPrice == NilOrderTriggerPrice {
 			return ErrOrderTriggerPriceInvalid
@@ -127,7 +131,9 @@ func (txInfo *L2CreateOrderTxInfo) Validate() error {
 			return ErrOrderExpiryInvalid
 		}
 	case StopLossLimitOrder, TakeProfitLimitOrder:
-		if txInfo.TriggerPrice == NilOrderTriggerPrice {
+		if !isPerpsMarket {
+			return ErrOrderTypeInvalid
+		} else if txInfo.TriggerPrice == NilOrderTriggerPrice {
 			return ErrOrderTriggerPriceInvalid
 		} else if txInfo.OrderExpiry == NilOrderExpiry {
 			return ErrOrderExpiryInvalid
@@ -13,7 +13,7 @@ type L2CreatePublicPoolTxInfo struct {

 	OperatorFee          int64
 	InitialTotalShares   int64
-	MinOperatorShareRate int64
+	MinOperatorShareRate uint16

 	ExpiredAt  int64
 	Nonce      int64
@@ -64,9 +64,6 @@ func (txInfo *L2CreatePublicPoolTxInfo) Validate() error {
 	}

 	// MinOperatorShareRate
-	if txInfo.MinOperatorShareRate < 0 {
-		return ErrPoolMinOperatorShareRateTooLow
-	}
 	if txInfo.MinOperatorShareRate > ShareTick {
 		return ErrPoolMinOperatorShareRateTooHigh
 	}
@@ -95,7 +92,7 @@ func (txInfo *L2CreatePublicPoolTxInfo) Hash(lighterChainId uint32, extra ...g.E
 	elems = append(elems, g.FromUint32(uint32(txInfo.ApiKeyIndex)))
 	elems = append(elems, g.FromInt64(txInfo.OperatorFee))
 	elems = append(elems, g.FromInt64(txInfo.InitialTotalShares))
-	elems = append(elems, g.FromInt64(txInfo.MinOperatorShareRate))
+	elems = append(elems, g.FromUint32(uint32(txInfo.MinOperatorShareRate)))

 	return p2.HashToQuinticExtension(elems).ToLittleEndianBytes(), nil
 }
@@ -34,7 +34,7 @@ func (txInfo *L2CreateSubAccountTxInfo) Validate() error {
 	if txInfo.AccountIndex < MinAccountIndex {
 		return ErrFromAccountIndexTooLow
 	}
-	if txInfo.AccountIndex > MaxAccountIndex {
+	if txInfo.AccountIndex > MaxMasterAccountIndex {
 		return ErrFromAccountIndexTooHigh
 	}

@@ -3,6 +3,9 @@ package txtypes
 import "fmt"

 var (
+	ErrAssetIndexTooLow                = fmt.Errorf("AssetIndex should not be less than %d", MinAssetIndex)
+	ErrAssetIndexTooHigh               = fmt.Errorf("AssetIndex should not be larger than %d", MaxAssetIndex)
+	ErrRouteTypeInvalid                = fmt.Errorf("RouteType is invalid")
 	ErrAccountIndexTooLow              = fmt.Errorf("AccountIndex should not be less than %d", MinAccountIndex)
 	ErrAccountIndexTooHigh             = fmt.Errorf("AccountIndex should not be larger than %d", MaxAccountIndex)
 	ErrNonceTooLow                     = fmt.Errorf("AccountNonce should not be less than %d", MinNonce)
@@ -36,9 +39,12 @@ var (
 	ErrWithdrawalAmountTooHigh         = fmt.Errorf("WithdrawalAmount should not be larger than %d", MaxWithdrawalAmount)
 	ErrTransferAmountTooLow            = fmt.Errorf("TransferAmount should be larger than %d", MinTransferAmount)
 	ErrTransferAmountTooHigh           = fmt.Errorf("TransferAmount should not be larger than %d", MaxTransferAmount)
+	ErrTransferFeeNegative             = fmt.Errorf("TransferFee should not be negative")
+	ErrTransferFeeTooHigh              = fmt.Errorf("TransferFee should not be larger than %d", MaxTransferAmount)
 	ErrMarketIndexTooLow               = fmt.Errorf("MarketIndex should not be less than %d", MinMarketIndex)
-	ErrMarketIndexTooHigh              = fmt.Errorf("MarketIndex should not be larger than %d", MaxMarketIndex)
+	ErrMarketIndexTooHigh              = fmt.Errorf("MarketIndex should not be larger than %d", MaxSpotMarketIndex)
 	ErrMarketIndexMismatch             = fmt.Errorf("MarketIndex should match the market index of the order")
+	ErrInvalidMarketIndex              = fmt.Errorf("MarketIndex is not valid")
 	ErrInitialMarginFractionTooLow     = fmt.Errorf("InitialMarginFraction should not be less than %d", 0)
 	ErrInitialMarginFractionTooHigh    = fmt.Errorf("InitialMarginFraction should not be larger than %d", MarginFractionTick)
 	ErrClientOrderIndexTooLow          = fmt.Errorf("ClientOrderIndex should not be less than %d", MinClientOrderIndex)
@@ -61,6 +67,4 @@ var (
 	ErrInvalidMarginMode               = fmt.Errorf("MarginMode is not valid")
 	ErrCancelModeInvalid               = fmt.Errorf("CancelMode is not valid")
 	ErrInvalidUpdateMarginDirection    = fmt.Errorf("Margin movement direction is not valid")
-	ErrTransferFeeNegative             = fmt.Errorf("Transfer fee is negative")
-	ErrTransferFeeTooHigh              = fmt.Errorf("Transfer fee is higher than %d", MaxTransferAmount)
 )
@@ -21,7 +21,7 @@ type TxInfo interface {
 }

 type OrderInfo struct {
-	MarketIndex uint8
+	MarketIndex int16

 	ClientOrderIndex int64

@@ -49,7 +49,7 @@ func (txInfo *L2MintSharesTxInfo) Validate() error {
 	}

 	// PublicPoolIndex
-	if txInfo.PublicPoolIndex < MinAccountIndex {
+	if txInfo.PublicPoolIndex < MinSubAccountIndex {
 		return ErrPublicPoolIndexTooLow
 	}
 	if txInfo.PublicPoolIndex > MaxAccountIndex {
@@ -11,7 +11,7 @@ type L2ModifyOrderTxInfo struct {
 	AccountIndex int64
 	ApiKeyIndex  uint8

-	MarketIndex  uint8
+	MarketIndex  int16
 	Index        int64 // Client Order Index or Order Index of the order to modify
 	BaseAmount   int64
 	Price        uint32
@@ -52,11 +52,10 @@ func (txInfo *L2ModifyOrderTxInfo) Validate() error {
 	}

 	// MarketIndex
-	if txInfo.MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
-	}
-	if txInfo.MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+	isSpotMarket := txInfo.MarketIndex >= MinSpotMarketIndex && txInfo.MarketIndex <= MaxSpotMarketIndex
+	isPerpsMarket := txInfo.MarketIndex >= MinPerpsMarketIndex && txInfo.MarketIndex <= MaxPerpsMarketIndex
+	if !isSpotMarket && !isPerpsMarket {
+		return ErrInvalidMarketIndex
 	}

 	// Index
@@ -7,29 +7,31 @@ import (

 	g "github.com/elliottech/poseidon_crypto/field/goldilocks"
 	p2 "github.com/elliottech/poseidon_crypto/hash/poseidon2_goldilocks"
+	"github.com/ethereum/go-ethereum/common"
 )

-const templateTransfer = "Transfer\n\nnonce: %s\nfrom: %s\napi key: %s\nto: %s\namount: %s\nfee: %s\nmemo: %s\nOnly sign this message for a trusted client!"
-
 var _ TxInfo = (*L2TransferTxInfo)(nil)

 type L2TransferTxInfo struct {
 	FromAccountIndex int64
 	ApiKeyIndex      uint8
+	ToAccountIndex   int64
+	AssetIndex       int16
+	FromRouteType    uint8
+	ToRouteType      uint8
+	Amount           int64
+	USDCFee          int64

-	ToAccountIndex int64
-	USDCAmount     int64 // USDCAmount is given with 6 decimals
-	Fee            int64
-	Memo           [32]byte
-
+	Memo       [32]byte
 	ExpiredAt  int64
 	Nonce      int64
 	Sig        []byte
+	L1Sig      string
 	SignedHash string `json:"-"`
 }

 func (txInfo *L2TransferTxInfo) Validate() error {
-	// plus one for treasury account
+	// FromAccountIndex
 	if txInfo.FromAccountIndex < MinAccountIndex+1 {
 		return ErrFromAccountIndexTooLow
 	}
@@ -41,29 +43,47 @@ func (txInfo *L2TransferTxInfo) Validate() error {
 	if txInfo.ApiKeyIndex < MinApiKeyIndex {
 		return ErrApiKeyIndexTooLow
 	}
-
 	if txInfo.ApiKeyIndex > MaxApiKeyIndex {
 		return ErrApiKeyIndexTooHigh
 	}

-	if txInfo.ToAccountIndex < MinAccountIndex+1 {
+	// ToAccountIndex
+	if txInfo.ToAccountIndex < MinAccountIndex {
 		return ErrToAccountIndexTooLow
 	}
 	if txInfo.ToAccountIndex > MaxAccountIndex {
 		return ErrToAccountIndexTooHigh
 	}

-	if txInfo.USDCAmount <= 0 {
+	// AssetIndex
+	if txInfo.AssetIndex < MinAssetIndex {
+		return ErrAssetIndexTooLow
+	}
+	if txInfo.AssetIndex > MaxAssetIndex {
+		return ErrAssetIndexTooHigh
+	}
+
+	// FromRouteType
+	if txInfo.FromRouteType != AssetRouteType_Perps && txInfo.FromRouteType != AssetRouteType_Spot {
+		return ErrRouteTypeInvalid
+	}
+
+	// ToRouteType
+	if txInfo.ToRouteType != AssetRouteType_Perps && txInfo.ToRouteType != AssetRouteType_Spot {
+		return ErrRouteTypeInvalid
+	}
+
+	if txInfo.Amount <= 0 {
 		return ErrTransferAmountTooLow
 	}
-	if txInfo.USDCAmount > MaxTransferAmount {
+	if txInfo.Amount > MaxTransferAmount {
 		return ErrTransferAmountTooHigh
 	}

-	if txInfo.Fee < 0 {
+	if txInfo.USDCFee < 0 {
 		return ErrTransferFeeNegative
 	}
-	if txInfo.Fee > MaxTransferAmount {
+	if txInfo.USDCFee > MaxTransferAmount {
 		return ErrTransferFeeTooHigh
 	}

@@ -90,8 +110,33 @@ func (txInfo *L2TransferTxInfo) GetTxInfo() (string, error) {
 	return getTxInfo(txInfo)
 }

+func (txInfo *L2TransferTxInfo) GetL1SignatureBody(chainId uint32) string {
+	hexMemo := hex.EncodeToString(txInfo.Memo[:])
+	hexMemo = strings.Replace(hexMemo, "0x", "", 1)
+
+	signatureBody := fmt.Sprintf(
+		TemplateTransfer,
+		getHex10FromUint64(uint64(txInfo.Nonce)),
+		getHex10FromUint64(uint64(txInfo.FromAccountIndex)),
+		getHex10FromUint64(uint64(txInfo.FromRouteType)),
+		getHex10FromUint64(uint64(txInfo.ApiKeyIndex)),
+		getHex10FromUint64(uint64(txInfo.ToAccountIndex)),
+		getHex10FromUint64(uint64(txInfo.ToRouteType)),
+		getHex10FromUint64(uint64(txInfo.AssetIndex)),
+		getHex10FromUint64(uint64(txInfo.Amount)),  //nolint:gosec
+		getHex10FromUint64(uint64(txInfo.USDCFee)), //nolint:gosec
+		getHex10FromUint64(uint64(chainId)),        //nolint:gosec
+		hexMemo,
+	)
+	return signatureBody
+}
+
+func (txInfo *L2TransferTxInfo) GetL1AddressBySignature(chainId uint32) common.Address {
+	return calculateL1AddressBySignature(txInfo.GetL1SignatureBody(chainId), txInfo.L1Sig)
+}
+
 func (txInfo *L2TransferTxInfo) Hash(lighterChainId uint32, extra ...g.Element) (msgHash []byte, err error) {
-	elems := make([]g.Element, 0, 11)
+	elems := make([]g.Element, 0, 14)

 	elems = append(elems, g.FromUint32(lighterChainId))
 	elems = append(elems, g.FromUint32(TxTypeL2Transfer))
@@ -101,28 +146,13 @@ func (txInfo *L2TransferTxInfo) Hash(lighterChainId uint32, extra ...g.Element)
 	elems = append(elems, g.FromInt64(txInfo.FromAccountIndex))
 	elems = append(elems, g.FromUint32(uint32(txInfo.ApiKeyIndex)))
 	elems = append(elems, g.FromInt64(txInfo.ToAccountIndex))
-	elems = append(elems, g.FromUint64(uint64(txInfo.USDCAmount)&0xFFFFFFFF)) //nolint:gosec
-	elems = append(elems, g.FromUint64(uint64(txInfo.USDCAmount)>>32))        //nolint:gosec
-	elems = append(elems, g.FromUint64(uint64(txInfo.Fee)&0xFFFFFFFF))        //nolint:gosec
-	elems = append(elems, g.FromUint64(uint64(txInfo.Fee)>>32))               //nolint:gosec
+	elems = append(elems, g.FromUint32(uint32(txInfo.AssetIndex)))
+	elems = append(elems, g.FromUint32(uint32(txInfo.FromRouteType)))
+	elems = append(elems, g.FromUint32(uint32(txInfo.ToRouteType)))
+	elems = append(elems, g.FromUint64((uint64(txInfo.Amount))&0xFFFFFFFF))  //nolint:gosec
+	elems = append(elems, g.FromUint64(uint64(txInfo.Amount)>>32))           //nolint:gosec
+	elems = append(elems, g.FromUint64((uint64(txInfo.USDCFee))&0xFFFFFFFF)) //nolint:gosec
+	elems = append(elems, g.FromUint64((uint64(txInfo.USDCFee))>>32))        //nolint:gosec

 	return p2.HashToQuinticExtension(elems).ToLittleEndianBytes(), nil
 }
-
-func (txInfo *L2TransferTxInfo) GetL1SignatureBody() string {
-	hexMemo := hex.EncodeToString(txInfo.Memo[:])
-	hexMemo = strings.Replace(hexMemo, "0x", "", 1)
-
-	signatureBody := fmt.Sprintf(
-		templateTransfer,
-
-		getHex10FromUint64(uint64(txInfo.Nonce)),
-		getHex10FromUint64(uint64(txInfo.FromAccountIndex)),
-		getHex10FromUint64(uint64(txInfo.ApiKeyIndex)),
-		getHex10FromUint64(uint64(txInfo.ToAccountIndex)),
-		getHex10FromUint64(uint64(txInfo.USDCAmount)),
-		getHex10FromUint64(uint64(txInfo.Fee)),
-		hexMemo,
-	)
-	return signatureBody
-}
@@ -11,7 +11,7 @@ type L2UpdateLeverageTxInfo struct {
 	AccountIndex int64
 	ApiKeyIndex  uint8

-	MarketIndex           uint8
+	MarketIndex           int16
 	InitialMarginFraction uint16
 	MarginMode            uint8

@@ -48,13 +48,13 @@ func (txInfo *L2UpdateLeverageTxInfo) Validate() error {
 	if txInfo.ApiKeyIndex > MaxApiKeyIndex {
 		return ErrApiKeyIndexTooHigh
 	}
-
 	// MarketIndex
-	if txInfo.MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
+	if txInfo.MarketIndex == NilMarketIndex {
+		return ErrInvalidMarketIndex
 	}
-	if txInfo.MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+
+	if txInfo.MarginMode != CrossMargin && txInfo.MarginMode != IsolatedMargin {
+		return ErrInvalidMarginMode
 	}

 	// InitialMarginFraction
@@ -73,10 +73,6 @@ func (txInfo *L2UpdateLeverageTxInfo) Validate() error {
 		return ErrExpiredAtInvalid
 	}

-	if txInfo.MarginMode != CrossMargin && txInfo.MarginMode != IsolatedMargin {
-		return ErrInvalidMarginMode
-	}
-
 	return nil
 }

@@ -11,7 +11,7 @@ type L2UpdateMarginTxInfo struct {
 	AccountIndex int64
 	ApiKeyIndex  uint8

-	MarketIndex uint8
+	MarketIndex int16
 	USDCAmount  int64
 	Direction   uint8

@@ -50,20 +50,16 @@ func (txInfo *L2UpdateMarginTxInfo) Validate() error {
 	}

 	// MarketIndex
-	if txInfo.MarketIndex < MinMarketIndex {
-		return ErrMarketIndexTooLow
-	}
-	if txInfo.MarketIndex > MaxMarketIndex {
-		return ErrMarketIndexTooHigh
+	if txInfo.MarketIndex < MinPerpsMarketIndex || txInfo.MarketIndex > MaxPerpsMarketIndex {
+		return ErrInvalidMarketIndex
 	}

-	if txInfo.USDCAmount <= 0 {
+	if txInfo.USDCAmount == 0 {
 		return ErrTransferAmountTooLow
 	}
 	if txInfo.USDCAmount > MaxTransferAmount {
 		return ErrTransferAmountTooHigh
 	}
-
 	if txInfo.Direction != RemoveFromIsolatedMargin && txInfo.Direction != AddToIsolatedMargin {
 		return ErrInvalidUpdateMarginDirection
 	}
@@ -15,7 +15,7 @@ type L2UpdatePublicPoolTxInfo struct {

 	Status               uint8
 	OperatorFee          int64
-	MinOperatorShareRate int64
+	MinOperatorShareRate uint16

 	ExpiredAt  int64
 	Nonce      int64
@@ -71,9 +71,6 @@ func (txInfo *L2UpdatePublicPoolTxInfo) Validate() error {
 	}

 	// MinOperatorShareRate
-	if txInfo.MinOperatorShareRate < 0 {
-		return ErrPoolMinOperatorShareRateTooLow
-	}
 	if txInfo.MinOperatorShareRate > ShareTick {
 		return ErrPoolMinOperatorShareRateTooHigh
 	}
@@ -103,7 +100,7 @@ func (txInfo *L2UpdatePublicPoolTxInfo) Hash(lighterChainId uint32, extra ...g.E
 	elems = append(elems, g.FromInt64(txInfo.PublicPoolIndex))
 	elems = append(elems, g.FromUint32(uint32(txInfo.Status)))
 	elems = append(elems, g.FromInt64(txInfo.OperatorFee))
-	elems = append(elems, g.FromInt64(txInfo.MinOperatorShareRate))
+	elems = append(elems, g.FromUint32(uint32(txInfo.MinOperatorShareRate)))

 	return p2.HashToQuinticExtension(elems).ToLittleEndianBytes(), nil
 }
@@ -1,16 +1,35 @@
 package txtypes

-import "encoding/json"
+import (
+	"encoding/json"
+	"fmt"
+	"strings"

-func IsValidPubKey(bytes []byte) bool {
-	if len(bytes) != 40 {
-		return false
-	}
+	gFp5 "github.com/elliottech/poseidon_crypto/field/goldilocks_quintic_extension"
+	gQuint "github.com/elliottech/poseidon_crypto/field/goldilocks_quintic_extension"
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/crypto"
+)

-	return !isZeroByteSlice(bytes)
+const (
+	TemplateChangePubKey = "Register Lighter Account\n\npubkey: 0x%s\nnonce: %s\naccount index: %s\napi key index: %s\nOnly sign this message for a trusted client!"
+	TemplateTransfer     = "Transfer\n\nnonce: %s\nfrom: %s (route %s)\napi key: %s\nto: %s (route %s)\nasset: %s\namount: %s\nfee: %s" +
+		"\nchainId: %s\nmemo: %s\nOnly sign this message for a trusted client!"
+	TemplateSubAccount = "Create Lighter Sub Account\n\nmaster account index: %s\nOnly sign this message for a trusted client!"
+)
+
+const SignatureLength = 80
+const L1SignatureLength = 65
+const PubKeyLength = gFp5.Bytes
+const HashLength = gQuint.Bytes
+
+func IsValidPubKeyLength(bytes []byte) bool {
+	return len(bytes) == gFp5.Bytes
 }

-func isZeroByteSlice(bytes []byte) bool {
+func IsZeroByteSlice(bytes []byte) bool {
 	for _, s := range bytes {
 		if s != 0 {
 			return false
@@ -26,3 +45,44 @@ func getTxInfo(tx interface{}) (string, error) {
 	}
 	return string(txInfoBytes), nil
 }
+
+func getHex10FromUint64(value uint64) string {
+	v := hexutil.EncodeUint64(value)
+	v = strings.Replace(v, "0x", "", 1)
+
+	// Make sure result has fixed bytes
+	vBytes := []byte(v)
+	if len(vBytes) < 16 {
+		toAppend := make([]byte, 16-len(vBytes))
+		for i := range toAppend {
+			toAppend[i] = 48
+		}
+		vBytes = append(toAppend, vBytes...)
+	}
+
+	return fmt.Sprintf("0x%s", string(vBytes))
+}
+
+func calculateL1AddressBySignature(signatureBody, l1Signature string) common.Address {
+	message := accounts.TextHash([]byte(signatureBody))
+	// Decode from signature string to get the signature byte array
+	signatureContent, err := hexutil.Decode(l1Signature)
+	if err != nil {
+		return [20]byte{}
+	}
+
+	// Transform yellow paper V from 27/28 to 0/1
+	if signatureContent[64] >= 27 {
+		signatureContent[64] -= 27
+	}
+
+	// Calculate the public key from the signature and source string
+	signaturePublicKey, err := crypto.SigToPub(message, signatureContent)
+	if err != nil {
+		return [20]byte{}
+	}
+
+	// Calculate the address from the public key
+	publicAddress := crypto.PubkeyToAddress(*signaturePublicKey)
+	return publicAddress
+}
@@ -10,13 +10,13 @@ var _ TxInfo = (*L2WithdrawTxInfo)(nil)
 type L2WithdrawTxInfo struct {
 	FromAccountIndex int64
 	ApiKeyIndex      uint8
-
-	USDCAmount uint64 // USDCAmount is given with 6 decimals
-
-	ExpiredAt  int64
-	Nonce      int64
-	Sig        []byte
-	SignedHash string `json:"-"`
+	AssetIndex       int16
+	RouteType        uint8
+	Amount           uint64
+	ExpiredAt        int64
+	Nonce            int64
+	Sig              []byte
+	SignedHash       string `json:"-"`
 }

 func (txInfo *L2WithdrawTxInfo) Validate() error {
@@ -35,10 +35,24 @@ func (txInfo *L2WithdrawTxInfo) Validate() error {
 		return ErrApiKeyIndexTooHigh
 	}

-	if txInfo.USDCAmount == 0 {
+	// AssetIndex
+	if txInfo.AssetIndex < MinAssetIndex {
+		return ErrAssetIndexTooLow
+	}
+	if txInfo.AssetIndex > MaxAssetIndex {
+		return ErrAssetIndexTooHigh
+	}
+
+	// RouteType
+	if txInfo.RouteType != AssetRouteType_Perps && txInfo.RouteType != AssetRouteType_Spot {
+		return ErrRouteTypeInvalid
+	}
+
+	// Amount
+	if txInfo.Amount == 0 {
 		return ErrWithdrawalAmountTooLow
 	}
-	if txInfo.USDCAmount > MaxWithdrawalAmount {
+	if txInfo.Amount > MaxWithdrawalAmount {
 		return ErrWithdrawalAmountTooHigh
 	}

@@ -66,7 +80,7 @@ func (txInfo *L2WithdrawTxInfo) GetTxHash() string {
 }

 func (txInfo *L2WithdrawTxInfo) Hash(lighterChainId uint32, extra ...g.Element) (msgHash []byte, err error) {
-	elems := make([]g.Element, 0, 8)
+	elems := make([]g.Element, 0, 14)

 	elems = append(elems, g.FromUint32(lighterChainId))
 	elems = append(elems, g.FromUint32(TxTypeL2Withdraw))
@@ -75,8 +89,10 @@ func (txInfo *L2WithdrawTxInfo) Hash(lighterChainId uint32, extra ...g.Element)

 	elems = append(elems, g.FromInt64(txInfo.FromAccountIndex))
 	elems = append(elems, g.FromUint32(uint32(txInfo.ApiKeyIndex)))
-	elems = append(elems, g.FromUint64(uint64(txInfo.USDCAmount)&0xFFFFFFFF)) //nolint:gosec
-	elems = append(elems, g.FromUint64(uint64(txInfo.USDCAmount)>>32))        //nolint:gosec
+	elems = append(elems, g.FromUint32(uint32(txInfo.AssetIndex)))
+	elems = append(elems, g.FromUint32(uint32(txInfo.RouteType)))
+	elems = append(elems, g.FromUint64(uint64(txInfo.Amount&0xFFFFFFFF)))
+	elems = append(elems, g.FromUint64(uint64(txInfo.Amount>>32)))

 	return p2.HashToQuinticExtension(elems).ToLittleEndianBytes(), nil
 }
@@ -0,0 +1,731 @@
+//go:build js
+// +build js
+
+package main
+
+import (
+	"fmt"
+	"strconv"
+	"syscall/js"
+	"time"
+
+	"github.com/elliottech/lighter-go/client"
+	"github.com/elliottech/lighter-go/client/http"
+	"github.com/elliottech/lighter-go/types"
+	"github.com/elliottech/lighter-go/types/txtypes"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+func wrapErr(err error) js.Value {
+	if err != nil {
+		return js.ValueOf(map[string]interface{}{"error": fmt.Sprintf("%v", err)})
+	}
+	return js.ValueOf(map[string]interface{}{})
+}
+
+func messageToSign(info txtypes.TxInfo) string {
+	switch tx := info.(type) {
+	case *txtypes.L2ChangePubKeyTxInfo:
+		return tx.GetL1SignatureBody()
+	case *txtypes.L2TransferTxInfo:
+		return tx.GetL1SignatureBody()
+	default:
+		return ""
+	}
+}
+
+func convertTxInfoToJS(info txtypes.TxInfo, err error) js.Value {
+	if err != nil {
+		return wrapErr(err)
+	}
+	if info == nil {
+		return js.ValueOf(map[string]interface{}{"error": "nil response"})
+	}
+
+	txInfoStr, strErr := info.GetTxInfo()
+	if strErr != nil {
+		return wrapErr(strErr)
+	}
+
+	out := map[string]interface{}{
+		"txType": info.GetTxType(),
+		"txInfo": txInfoStr,
+		"txHash": info.GetTxHash(),
+	}
+	if msg := messageToSign(info); msg != "" {
+		out["messageToSign"] = msg
+	}
+	return js.ValueOf(out)
+}
+
+// safeInt safely extracts an int from a js.Value, handling undefined values
+func safeInt(v js.Value, index int) (int64, error) {
+	if v.Type() == js.TypeUndefined {
+		return 0, fmt.Errorf("argument %d is undefined", index)
+	}
+	return int64(v.Int()), nil
+}
+
+// safeUint8 safely extracts a uint8 from a js.Value, handling undefined values
+func safeUint8(v js.Value, index int) (uint8, error) {
+	if v.Type() == js.TypeUndefined {
+		return 0, fmt.Errorf("argument %d is undefined", index)
+	}
+	return uint8(v.Int()), nil
+}
+
+// safeUint32 safely extracts a uint32 from a js.Value, handling undefined values
+func safeUint32(v js.Value, index int) (uint32, error) {
+	if v.Type() == js.TypeUndefined {
+		return 0, fmt.Errorf("argument %d is undefined", index)
+	}
+	return uint32(v.Int()), nil
+}
+
+func getClient(args []js.Value) (*client.TxClient, error) {
+	l := len(args)
+	if l < 2 {
+		return nil, fmt.Errorf("insufficient arguments: need at least 2 for apiKeyIndex and accountIndex")
+	}
+	// Check if the last two arguments are valid and extract safely
+	if args[l-2].Type() == js.TypeUndefined || args[l-1].Type() == js.TypeUndefined {
+		return nil, fmt.Errorf("apiKeyIndex or accountIndex is undefined")
+	}
+	apiKeyIndexVal, err := safeUint8(args[l-2], l-2)
+	if err != nil {
+		return nil, err
+	}
+	accountIndexVal, err := safeInt(args[l-1], l-1)
+	if err != nil {
+		return nil, err
+	}
+	return client.GetClient(apiKeyIndexVal, accountIndexVal)
+}
+
+// recoverPanic wraps a function execution with panic recovery
+func recoverPanic(fn func() js.Value) (result js.Value) {
+	defer func() {
+		if r := recover(); r != nil {
+			result = wrapErr(fmt.Errorf("panic: %v", r))
+		}
+	}()
+	return fn()
+}
+
+func main() {
+	js.Global().Set("GenerateAPIKey", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 1 {
+				return js.ValueOf(map[string]interface{}{"error": "GenerateAPIKey expects 1 arg: seed"})
+			}
+			seed := args[0].String()
+			privateKey, publicKey, err := client.GenerateAPIKey(seed)
+			if err != nil {
+				return wrapErr(err)
+			}
+			return js.ValueOf(map[string]interface{}{"privateKey": privateKey, "publicKey": publicKey})
+		})
+	}))
+
+	js.Global().Set("CreateClient", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "CreateClient expects 5 args: url, privateKey, chainId, apiKeyIndex, accountIndex"})
+			}
+			url := args[0].String()
+			privateKey := args[1].String()
+			chainId := uint32(args[2].Int())
+			apiKeyIndex := uint8(args[3].Int())
+			accountIndex := int64(args[4].Int())
+			httpClient := http.NewClient(url)
+			_, err := client.CreateClient(httpClient, privateKey, chainId, apiKeyIndex, accountIndex)
+			if err != nil {
+				return wrapErr(err)
+			}
+			return wrapErr(nil)
+		})
+	}))
+
+	js.Global().Set("CheckClient", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 2 {
+				return js.ValueOf(map[string]interface{}{"error": "CheckClient expects 2 args: apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			err = c.Check()
+			if err != nil {
+				return wrapErr(err)
+			}
+			return wrapErr(nil)
+		})
+	}))
+
+	js.Global().Set("CreateAuthToken", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 3 {
+				return js.ValueOf(map[string]interface{}{"error": "CreateAuthToken expects 3 args: deadline, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			deadline := int64(args[0].Int())
+			if deadline == 0 {
+				deadline = time.Now().Add(time.Hour * 7).Unix()
+			}
+
+			token, err := c.GetAuthToken(time.Unix(deadline, 0))
+			if err != nil {
+				return wrapErr(err)
+			}
+			return js.ValueOf(map[string]interface{}{"authToken": token})
+		})
+	}))
+
+	js.Global().Set("SignChangePubKey", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 4 {
+				return js.ValueOf(map[string]interface{}{"error": "SignChangePubKey expects 4 args: pubKeyHex, nonce, apiKeyIndex, accountIndex"})
+			}
+			pubKeyHex := args[0].String()
+			nonce := int64(args[1].Int())
+
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			pubKeyBytes, err := hexutil.Decode(pubKeyHex)
+			if err != nil {
+				return wrapErr(err)
+			}
+			if len(pubKeyBytes) != 40 {
+				return js.ValueOf(map[string]interface{}{"error": "invalid pub key length. expected 40 but got " + strconv.Itoa(len(pubKeyBytes))})
+			}
+			var pubKey [40]byte
+			copy(pubKey[:], pubKeyBytes)
+
+			txInfo := &types.ChangePubKeyReq{
+				PubKey: pubKey,
+			}
+			ops := &types.TransactOpts{
+				Nonce: &nonce,
+			}
+
+			tx, err := c.GetChangePubKeyTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCreateOrder", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 13 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCreateOrder expects 13 args: marketIndex, clientOrderIndex, baseAmount, price, isAsk, orderType, timeInForce, reduceOnly, triggerPrice, orderExpiry, nonce, apiKeyIndex, accountIndex"})
+			}
+			// Validate all arguments are defined before accessing
+			for i := 0; i < 13; i++ {
+				if args[i].Type() == js.TypeUndefined {
+					return js.ValueOf(map[string]interface{}{"error": fmt.Sprintf("argument %d is undefined", i)})
+				}
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			marketIndex, err := safeUint8(args[0], 0)
+			if err != nil {
+				return wrapErr(err)
+			}
+			clientOrderIndex, err := safeInt(args[1], 1)
+			if err != nil {
+				return wrapErr(err)
+			}
+			baseAmount, err := safeInt(args[2], 2)
+			if err != nil {
+				return wrapErr(err)
+			}
+			price, err := safeUint32(args[3], 3)
+			if err != nil {
+				return wrapErr(err)
+			}
+			isAsk, err := safeUint8(args[4], 4)
+			if err != nil {
+				return wrapErr(err)
+			}
+			orderType, err := safeUint8(args[5], 5)
+			if err != nil {
+				return wrapErr(err)
+			}
+			timeInForce, err := safeUint8(args[6], 6)
+			if err != nil {
+				return wrapErr(err)
+			}
+			reduceOnly, err := safeUint8(args[7], 7)
+			if err != nil {
+				return wrapErr(err)
+			}
+			triggerPrice, err := safeUint32(args[8], 8)
+			if err != nil {
+				return wrapErr(err)
+			}
+			orderExpiry, err := safeInt(args[9], 9)
+			if err != nil {
+				return wrapErr(err)
+			}
+			nonce, err := safeInt(args[10], 10)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			if orderExpiry == -1 {
+				orderExpiry = time.Now().Add(time.Hour * 24 * 28).UnixMilli() // 28 days
+			}
+
+			txInfo := &types.CreateOrderTxReq{
+				MarketIndex:      marketIndex,
+				ClientOrderIndex: clientOrderIndex,
+				BaseAmount:       baseAmount,
+				Price:            price,
+				IsAsk:            isAsk,
+				Type:             orderType,
+				TimeInForce:      timeInForce,
+				ReduceOnly:       reduceOnly,
+				TriggerPrice:     triggerPrice,
+				OrderExpiry:      orderExpiry,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetCreateOrderTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCancelOrder", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCancelOrder expects 5 args: marketIndex, orderIndex, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			marketIndex := uint8(args[0].Int())
+			orderIndex := int64(args[1].Int())
+			nonce := int64(args[2].Int())
+
+			txInfo := &types.CancelOrderTxReq{
+				MarketIndex: marketIndex,
+				Index:       orderIndex,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetCancelOrderTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCancelAllOrders", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCancelAllOrders expects 5 args: timeInForce, time, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			timeInForce := uint8(args[0].Int())
+			timeVal := int64(args[1].Int())
+			nonce := int64(args[2].Int())
+
+			txInfo := &types.CancelAllOrdersTxReq{
+				TimeInForce: timeInForce,
+				Time:        timeVal,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetCancelAllOrdersTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignTransfer", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 7 {
+				return js.ValueOf(map[string]interface{}{"error": "SignTransfer expects 7 args: toAccount, usdcAmount, fee, memo, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			toAccount := int64(args[0].Int())
+			usdcAmount := int64(args[1].Int())
+			fee := int64(args[2].Int())
+			memoStr := args[3].String()
+			nonce := int64(args[4].Int())
+
+			var memoArr [32]byte
+			bs := []byte(memoStr)
+			if len(bs) != 32 {
+				return wrapErr(fmt.Errorf("memo expected to be 32 bytes long"))
+			}
+			for i := 0; i < 32; i++ {
+				memoArr[i] = bs[i]
+			}
+
+			txInfo := &types.TransferTxReq{
+				ToAccountIndex: toAccount,
+				USDCAmount:     usdcAmount,
+				Fee:            fee,
+				Memo:           memoArr,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetTransferTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignWithdraw", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 4 {
+				return js.ValueOf(map[string]interface{}{"error": "SignWithdraw expects 4 args: usdcAmount, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			usdcAmount := uint64(args[0].Int())
+			nonce := int64(args[1].Int())
+
+			txInfo := &types.WithdrawTxReq{
+				USDCAmount: usdcAmount,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetWithdrawTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignUpdateLeverage", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 6 {
+				return js.ValueOf(map[string]interface{}{"error": "SignUpdateLeverage expects 6 args: marketIndex, fraction, marginMode, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			marketIndex := uint8(args[0].Int())
+			fraction := uint16(args[1].Int())
+			marginMode := uint8(args[2].Int())
+			nonce := int64(args[3].Int())
+
+			txInfo := &types.UpdateLeverageTxReq{
+				MarketIndex:           marketIndex,
+				InitialMarginFraction: fraction,
+				MarginMode:            marginMode,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetUpdateLeverageTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignModifyOrder", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 8 {
+				return js.ValueOf(map[string]interface{}{"error": "SignModifyOrder expects 8 args: marketIndex, index, baseAmount, price, triggerPrice, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			marketIndex := uint8(args[0].Int())
+			index := int64(args[1].Int())
+			baseAmount := int64(args[2].Int())
+			price := uint32(args[3].Int())
+			triggerPrice := uint32(args[4].Int())
+			nonce := int64(args[5].Int())
+
+			txInfo := &types.ModifyOrderTxReq{
+				MarketIndex:  marketIndex,
+				Index:        index,
+				BaseAmount:   baseAmount,
+				Price:        price,
+				TriggerPrice: triggerPrice,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetModifyOrderTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCreateSubAccount", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 3 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCreateSubAccount expects 3 args: nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			nonce := int64(args[0].Int())
+
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetCreateSubAccountTransaction(ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCreatePublicPool", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 6 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCreatePublicPool expects 6 args: operatorFee, initialTotalShares, minOperatorShareRate, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			operatorFee := int64(args[0].Int())
+			initialTotalShares := int64(args[1].Int())
+			minOperatorShareRate := int64(args[2].Int())
+			nonce := int64(args[3].Int())
+
+			txInfo := &types.CreatePublicPoolTxReq{
+				OperatorFee:          operatorFee,
+				InitialTotalShares:   initialTotalShares,
+				MinOperatorShareRate: minOperatorShareRate,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetCreatePublicPoolTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignUpdatePublicPool", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 7 {
+				return js.ValueOf(map[string]interface{}{"error": "SignUpdatePublicPool expects 7 args: publicPoolIndex, status, operatorFee, minOperatorShareRate, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			publicPoolIndex := uint8(args[0].Int())
+			status := uint8(args[1].Int())
+			operatorFee := int64(args[2].Int())
+			minOperatorShareRate := int64(args[3].Int())
+			nonce := int64(args[4].Int())
+
+			txInfo := &types.UpdatePublicPoolTxReq{
+				PublicPoolIndex:      int64(publicPoolIndex),
+				Status:               status,
+				OperatorFee:          operatorFee,
+				MinOperatorShareRate: minOperatorShareRate,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetUpdatePublicPoolTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignMintShares", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "SignMintShares expects 5 args: publicPoolIndex, shareAmount, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			publicPoolIndex := int64(args[0].Int())
+			shareAmount := int64(args[1].Int())
+			nonce := int64(args[2].Int())
+
+			txInfo := &types.MintSharesTxReq{
+				PublicPoolIndex: publicPoolIndex,
+				ShareAmount:     shareAmount,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetMintSharesTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignBurnShares", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "SignBurnShares expects 5 args: publicPoolIndex, shareAmount, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			publicPoolIndex := int64(args[0].Int())
+			shareAmount := int64(args[1].Int())
+			nonce := int64(args[2].Int())
+
+			txInfo := &types.BurnSharesTxReq{
+				PublicPoolIndex: publicPoolIndex,
+				ShareAmount:     shareAmount,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetBurnSharesTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignUpdateMargin", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 6 {
+				return js.ValueOf(map[string]interface{}{"error": "SignUpdateMargin expects 6 args: marketIndex, usdcAmount, direction, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			marketIndex := uint8(args[0].Int())
+			usdcAmount := int64(args[1].Int())
+			direction := uint8(args[2].Int())
+			nonce := int64(args[3].Int())
+
+			txInfo := &types.UpdateMarginTxReq{
+				MarketIndex: marketIndex,
+				USDCAmount:  usdcAmount,
+				Direction:   direction,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			tx, err := c.GetUpdateMarginTransaction(txInfo, ops)
+			return convertTxInfoToJS(tx, err)
+		})
+	}))
+
+	js.Global().Set("SignCreateGroupedOrders", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		return recoverPanic(func() js.Value {
+			if len(args) < 5 {
+				return js.ValueOf(map[string]interface{}{"error": "SignCreateGroupedOrders expects 5 args: groupingType, orders array, nonce, apiKeyIndex, accountIndex"})
+			}
+			c, err := getClient(args)
+			if err != nil {
+				return wrapErr(err)
+			}
+
+			groupingType := uint8(args[0].Int())
+
+			// Parse orders array from JS
+			ordersArg := args[1]
+			if ordersArg.Type() != js.TypeObject {
+				return js.ValueOf(map[string]interface{}{"error": "orders must be an array"})
+			}
+			length := ordersArg.Length()
+			orders := make([]*types.CreateOrderTxReq, length)
+
+			for i := 0; i < length; i++ {
+				orderObj := ordersArg.Index(i)
+				if orderObj.Type() != js.TypeObject {
+					return js.ValueOf(map[string]interface{}{"error": fmt.Sprintf("order %d must be an object", i)})
+				}
+
+				orderExpiry := int64(orderObj.Get("OrderExpiry").Int())
+				if orderExpiry == -1 {
+					orderExpiry = time.Now().Add(time.Hour * 24 * 28).UnixMilli()
+				}
+
+				orders[i] = &types.CreateOrderTxReq{
+					MarketIndex:      uint8(orderObj.Get("MarketIndex").Int()),
+					ClientOrderIndex: int64(orderObj.Get("ClientOrderIndex").Int()),
+					BaseAmount:       int64(orderObj.Get("BaseAmount").Int()),
+					Price:            uint32(orderObj.Get("Price").Int()),
+					IsAsk:            uint8(orderObj.Get("IsAsk").Int()),
+					Type:             uint8(orderObj.Get("Type").Int()),
+					TimeInForce:      uint8(orderObj.Get("TimeInForce").Int()),
+					ReduceOnly:       uint8(orderObj.Get("ReduceOnly").Int()),
+					TriggerPrice:     uint32(orderObj.Get("TriggerPrice").Int()),
+					OrderExpiry:      orderExpiry,
+				}
+			}
+
+			nonce := int64(args[2].Int())
+
+			req := &types.CreateGroupedOrdersTxReq{
+				GroupingType: groupingType,
+				Orders:       orders,
+			}
+			ops := new(types.TransactOpts)
+			if nonce != -1 {
+				ops.Nonce = &nonce
+			}
+
+			txInfo, err := c.GetCreateGroupedOrdersTransaction(req, ops)
+			return convertTxInfoToJS(txInfo, err)
+		})
+	}))
+
+	select {}
+}
@@ -68,4 +68,9 @@ openapi-generator-cli.jar

 .idea

-examples/secrets.py
+examples/secrets.py
+
+# Environment variables
+.env
+.env.*
+api_key_config.json
@@ -1,6 +1,7 @@
 docs/Account.md
 docs/AccountApi.md
 docs/AccountApiKeys.md
+docs/AccountAsset.md
 docs/AccountLimits.md
 docs/AccountMarginStats.md
 docs/AccountMarketStats.md
@@ -14,9 +15,12 @@ docs/Announcement.md
 docs/AnnouncementApi.md
 docs/Announcements.md
 docs/ApiKey.md
+docs/Asset.md
+docs/AssetDetails.md
 docs/Block.md
 docs/BlockApi.md
 docs/Blocks.md
+docs/Bridge.md
 docs/BridgeApi.md
 docs/BridgeSupportedNetwork.md
 docs/Candlestick.md
@@ -46,28 +50,27 @@ docs/LiqTrade.md
 docs/Liquidation.md
 docs/LiquidationInfo.md
 docs/LiquidationInfos.md
-docs/MarketInfo.md
+docs/MarketConfig.md
 docs/NextNonce.md
 docs/NotificationApi.md
 docs/Order.md
 docs/OrderApi.md
 docs/OrderBook.md
 docs/OrderBookDepth.md
-docs/OrderBookDetail.md
 docs/OrderBookDetails.md
 docs/OrderBookOrders.md
 docs/OrderBookStats.md
 docs/OrderBooks.md
 docs/Orders.md
+docs/PerpsMarketStats.md
+docs/PerpsOrderBookDetail.md
 docs/PnLEntry.md
 docs/PositionFunding.md
 docs/PositionFundings.md
 docs/PriceLevel.md
-docs/PublicPool.md
 docs/PublicPoolInfo.md
 docs/PublicPoolMetadata.md
 docs/PublicPoolShare.md
-docs/PublicPools.md
 docs/ReferralApi.md
 docs/ReferralPointEntry.md
 docs/ReferralPoints.md
@@ -81,8 +84,10 @@ docs/ReqGetAccountLimits.md
 docs/ReqGetAccountMetadata.md
 docs/ReqGetAccountPnL.md
 docs/ReqGetAccountTxs.md
+docs/ReqGetAssetDetails.md
 docs/ReqGetBlock.md
 docs/ReqGetBlockTxs.md
+docs/ReqGetBridgesByL1Addr.md
 docs/ReqGetByAccount.md
 docs/ReqGetCandlesticks.md
 docs/ReqGetDepositHistory.md
@@ -97,7 +102,6 @@ docs/ReqGetOrderBookDetails.md
 docs/ReqGetOrderBookOrders.md
 docs/ReqGetOrderBooks.md
 docs/ReqGetPositionFunding.md
-docs/ReqGetPublicPools.md
 docs/ReqGetPublicPoolsMetadata.md
 docs/ReqGetRangeWithCursor.md
 docs/ReqGetRangeWithIndex.md
@@ -110,10 +114,14 @@ docs/ReqGetTransferHistory.md
 docs/ReqGetTx.md
 docs/ReqGetWithdrawHistory.md
 docs/RespChangeAccountTier.md
+docs/RespGetBridgesByL1Addr.md
 docs/RespGetFastBridgeInfo.md
+docs/RespGetIsNextBridgeFast.md
 docs/RespPublicPoolsMetadata.md
 docs/RespSendTx.md
 docs/RespSendTxBatch.md
+docs/RespUpdateKickback.md
+docs/RespUpdateReferralCode.md
 docs/RespWithdrawalDelay.md
 docs/ResultCode.md
 docs/RiskInfo.md
@@ -121,6 +129,8 @@ docs/RiskParameters.md
 docs/RootApi.md
 docs/SharePrice.md
 docs/SimpleOrder.md
+docs/SpotMarketStats.md
+docs/SpotOrderBookDetail.md
 docs/Status.md
 docs/SubAccounts.md
 docs/Ticker.md
@@ -160,6 +170,7 @@ lighter/exceptions.py
 lighter/models/__init__.py
 lighter/models/account.py
 lighter/models/account_api_keys.py
+lighter/models/account_asset.py
 lighter/models/account_limits.py
 lighter/models/account_margin_stats.py
 lighter/models/account_market_stats.py
@@ -172,8 +183,11 @@ lighter/models/account_trade_stats.py
 lighter/models/announcement.py
 lighter/models/announcements.py
 lighter/models/api_key.py
+lighter/models/asset.py
+lighter/models/asset_details.py
 lighter/models/block.py
 lighter/models/blocks.py
+lighter/models/bridge.py
 lighter/models/bridge_supported_network.py
 lighter/models/candlestick.py
 lighter/models/candlesticks.py
@@ -199,26 +213,25 @@ lighter/models/liq_trade.py
 lighter/models/liquidation.py
 lighter/models/liquidation_info.py
 lighter/models/liquidation_infos.py
-lighter/models/market_info.py
+lighter/models/market_config.py
 lighter/models/next_nonce.py
 lighter/models/order.py
 lighter/models/order_book.py
 lighter/models/order_book_depth.py
-lighter/models/order_book_detail.py
 lighter/models/order_book_details.py
 lighter/models/order_book_orders.py
 lighter/models/order_book_stats.py
 lighter/models/order_books.py
 lighter/models/orders.py
+lighter/models/perps_market_stats.py
+lighter/models/perps_order_book_detail.py
 lighter/models/pn_l_entry.py
 lighter/models/position_funding.py
 lighter/models/position_fundings.py
 lighter/models/price_level.py
-lighter/models/public_pool.py
 lighter/models/public_pool_info.py
 lighter/models/public_pool_metadata.py
 lighter/models/public_pool_share.py
-lighter/models/public_pools.py
 lighter/models/referral_point_entry.py
 lighter/models/referral_points.py
 lighter/models/req_export_data.py
@@ -231,8 +244,10 @@ lighter/models/req_get_account_limits.py
 lighter/models/req_get_account_metadata.py
 lighter/models/req_get_account_pn_l.py
 lighter/models/req_get_account_txs.py
+lighter/models/req_get_asset_details.py
 lighter/models/req_get_block.py
 lighter/models/req_get_block_txs.py
+lighter/models/req_get_bridges_by_l1_addr.py
 lighter/models/req_get_by_account.py
 lighter/models/req_get_candlesticks.py
 lighter/models/req_get_deposit_history.py
@@ -247,7 +262,6 @@ lighter/models/req_get_order_book_details.py
 lighter/models/req_get_order_book_orders.py
 lighter/models/req_get_order_books.py
 lighter/models/req_get_position_funding.py
-lighter/models/req_get_public_pools.py
 lighter/models/req_get_public_pools_metadata.py
 lighter/models/req_get_range_with_cursor.py
 lighter/models/req_get_range_with_index.py
@@ -260,16 +274,22 @@ lighter/models/req_get_transfer_history.py
 lighter/models/req_get_tx.py
 lighter/models/req_get_withdraw_history.py
 lighter/models/resp_change_account_tier.py
+lighter/models/resp_get_bridges_by_l1_addr.py
 lighter/models/resp_get_fast_bridge_info.py
+lighter/models/resp_get_is_next_bridge_fast.py
 lighter/models/resp_public_pools_metadata.py
 lighter/models/resp_send_tx.py
 lighter/models/resp_send_tx_batch.py
+lighter/models/resp_update_kickback.py
+lighter/models/resp_update_referral_code.py
 lighter/models/resp_withdrawal_delay.py
 lighter/models/result_code.py
 lighter/models/risk_info.py
 lighter/models/risk_parameters.py
 lighter/models/share_price.py
 lighter/models/simple_order.py
+lighter/models/spot_market_stats.py
+lighter/models/spot_order_book_detail.py
 lighter/models/status.py
 lighter/models/sub_accounts.py
 lighter/models/ticker.py
@@ -291,4 +311,19 @@ lighter/rest.py
 setup.cfg
 test-requirements.txt
 test/__init__.py
+test/test_account_asset.py
+test/test_asset.py
+test/test_asset_details.py
+test/test_bridge.py
+test/test_market_config.py
+test/test_perps_market_stats.py
+test/test_perps_order_book_detail.py
+test/test_req_get_asset_details.py
+test/test_req_get_bridges_by_l1_addr.py
+test/test_resp_get_bridges_by_l1_addr.py
+test/test_resp_get_is_next_bridge_fast.py
+test/test_resp_update_kickback.py
+test/test_resp_update_referral_code.py
+test/test_spot_market_stats.py
+test/test_spot_order_book_detail.py
 tox.ini
@@ -0,0 +1,201 @@
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@@ -36,9 +36,12 @@ import asyncio

 async def main():
    client = lighter.ApiClient()
-    account_api = lighter.AccountApi(client)
-    account = await account_api.get_account(by="index", value="1")
-    print(account)
+    try:
+        account_api = lighter.AccountApi(client)
+        account = await account_api.account(by="index", value="1")
+        print(account)
+    finally:
+        await client.close()  # Make sure connection is cleanly closed

 if __name__ == "__main__":
    asyncio.run(main())
@@ -0,0 +1,4 @@
+disallowAdditionalPropertiesIfNotPresent: false
+library: asyncio
+packageName: lighter-sdk
+projectName: lighter-sdk
@@ -12,7 +12,6 @@ Name | Type | Description | Notes
 **l1_address** | **str** |  | 
 **cancel_all_time** | **int** |  | 
 **total_order_count** | **int** |  | 
-**total_isolated_order_count** | **int** |  | 
 **pending_order_count** | **int** |  | 
 **available_balance** | **str** |  | 
 **status** | **int** |  | 
@@ -14,7 +14,6 @@ Method | HTTP request | Description
 [**liquidations**](AccountApi.md#liquidations) | **GET** /api/v1/liquidations | liquidations
 [**pnl**](AccountApi.md#pnl) | **GET** /api/v1/pnl | pnl
 [**position_funding**](AccountApi.md#position_funding) | **GET** /api/v1/positionFunding | positionFunding
-[**public_pools**](AccountApi.md#public_pools) | **GET** /api/v1/publicPools | publicPools
 [**public_pools_metadata**](AccountApi.md#public_pools_metadata) | **GET** /api/v1/publicPoolsMetadata | publicPoolsMetadata


@@ -770,85 +769,6 @@ No authorization required

 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)

-# **public_pools**
-> PublicPools public_pools(index, limit, authorization=authorization, auth=auth, filter=filter, account_index=account_index)
-
-publicPools
-
-Get public pools
-
-### Example
-
-
-```python
-import lighter
-from lighter.models.public_pools import PublicPools
-from lighter.rest import ApiException
-from pprint import pprint
-
-# Defining the host is optional and defaults to https://mainnet.zklighter.elliot.ai
-# See configuration.py for a list of all supported configuration parameters.
-configuration = lighter.Configuration(
-    host = "https://mainnet.zklighter.elliot.ai"
-)
-
-
-# Enter a context with an instance of the API client
-async with lighter.ApiClient(configuration) as api_client:
-    # Create an instance of the API class
-    api_instance = lighter.AccountApi(api_client)
-    index = 56 # int | 
-    limit = 56 # int | 
-    authorization = 'authorization_example' # str |  (optional)
-    auth = 'auth_example' # str |  (optional)
-    filter = 'filter_example' # str |  (optional)
-    account_index = 56 # int |  (optional)
-
-    try:
-        # publicPools
-        api_response = await api_instance.public_pools(index, limit, authorization=authorization, auth=auth, filter=filter, account_index=account_index)
-        print("The response of AccountApi->public_pools:\n")
-        pprint(api_response)
-    except Exception as e:
-        print("Exception when calling AccountApi->public_pools: %s\n" % e)
-```
-
-
-
-### Parameters
-
-
-Name | Type | Description  | Notes
------------- | ------------- | ------------- | -------------
- **index** | **int**|  | 
- **limit** | **int**|  | 
- **authorization** | **str**|  | [optional] 
- **auth** | **str**|  | [optional] 
- **filter** | **str**|  | [optional] 
- **account_index** | **int**|  | [optional] 
-
-### Return type
-
-[**PublicPools**](PublicPools.md)
-
-### Authorization
-
-No authorization required
-
-### HTTP request headers
-
- - **Content-Type**: Not defined
- - **Accept**: application/json
-
-### HTTP response details
-
-| Status code | Description | Response headers |
-|-------------|-------------|------------------|
-**200** | A successful response. |  -  |
-**400** | Bad request |  -  |
-
-[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
-
 # **public_pools_metadata**
 > RespPublicPoolsMetadata public_pools_metadata(index, limit, authorization=authorization, auth=auth, filter=filter, account_index=account_index)

@@ -0,0 +1,32 @@
+# AccountAsset
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**symbol** | **str** |  | 
+**asset_id** | **int** |  | 
+**balance** | **str** |  | 
+**locked_balance** | **str** |  | 
+
+## Example
+
+```python
+from lighter.models.account_asset import AccountAsset
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of AccountAsset from a JSON string
+account_asset_instance = AccountAsset.from_json(json)
+# print the JSON string representation of the object
+print(AccountAsset.to_json())
+
+# convert the object into a dict
+account_asset_dict = account_asset_instance.to_dict()
+# create an instance of AccountAsset from a dict
+account_asset_from_dict = AccountAsset.from_dict(account_asset_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
@@ -8,7 +8,9 @@ Name | Type | Description | Notes
 **code** | **int** |  | 
 **message** | **str** |  | [optional] 
 **max_llp_percentage** | **int** |  | 
+**max_llp_amount** | **str** |  | 
 **user_tier** | **str** |  | 
+**can_create_public_pool** | **bool** |  | 

 ## Example

@@ -8,6 +8,7 @@ Name | Type | Description | Notes
 **title** | **str** |  | 
 **content** | **str** |  | 
 **created_at** | **int** |  | 
+**expired_at** | **int** |  | 

 ## Example

@@ -0,0 +1,37 @@
+# Asset
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**asset_id** | **int** |  | 
+**symbol** | **str** |  | 
+**l1_decimals** | **int** |  | 
+**decimals** | **int** |  | 
+**min_transfer_amount** | **str** |  | 
+**min_withdrawal_amount** | **str** |  | 
+**margin_mode** | **str** |  | 
+**index_price** | **str** |  | 
+**l1_address** | **str** |  | 
+
+## Example
+
+```python
+from lighter.models.asset import Asset
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Asset from a JSON string
+asset_instance = Asset.from_json(json)
+# print the JSON string representation of the object
+print(Asset.to_json())
+
+# convert the object into a dict
+asset_dict = asset_instance.to_dict()
+# create an instance of Asset from a dict
+asset_from_dict = Asset.from_dict(asset_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
@@ -1,4 +1,4 @@
-# PublicPools
+# AssetDetails


 ## Properties
@@ -7,25 +7,24 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **code** | **int** |  | 
 **message** | **str** |  | [optional] 
-**total** | **int** |  | 
-**public_pools** | [**List[PublicPool]**](PublicPool.md) |  | 
+**asset_details** | [**List[Asset]**](Asset.md) |  | 

 ## Example

 ```python
-from lighter.models.public_pools import PublicPools
+from lighter.models.asset_details import AssetDetails

 # TODO update the JSON string below
 json = "{}"
-# create an instance of PublicPools from a JSON string
-public_pools_instance = PublicPools.from_json(json)
+# create an instance of AssetDetails from a JSON string
+asset_details_instance = AssetDetails.from_json(json)
 # print the JSON string representation of the object
-print(PublicPools.to_json())
+print(AssetDetails.to_json())

 # convert the object into a dict
-public_pools_dict = public_pools_instance.to_dict()
-# create an instance of PublicPools from a dict
-public_pools_from_dict = PublicPools.from_dict(public_pools_dict)
+asset_details_dict = asset_details_instance.to_dict()
+# create an instance of AssetDetails from a dict
+asset_details_from_dict = AssetDetails.from_dict(asset_details_dict)
 ```
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)

@@ -0,0 +1,43 @@
+# Bridge
+
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**id** | **int** |  | 
+**version** | **int** |  | 
+**source** | **str** |  | 
+**source_chain_id** | **str** |  | 
+**fast_bridge_tx_hash** | **str** |  | 
+**batch_claim_tx_hash** | **str** |  | 
+**cctp_burn_tx_hash** | **str** |  | 
+**amount** | **str** |  | 
+**intent_address** | **str** |  | 
+**status** | **str** |  | 
+**step** | **str** |  | 
+**description** | **str** |  | 
+**created_at** | **int** |  | 
+**updated_at** | **int** |  | 
+**is_external_deposit** | **bool** |  | 
+
+## Example
+
+```python
+from lighter.models.bridge import Bridge
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Bridge from a JSON string
+bridge_instance = Bridge.from_json(json)
+# print the JSON string representation of the object
+print(Bridge.to_json())
+
+# convert the object into a dict
+bridge_dict = bridge_instance.to_dict()
+# create an instance of Bridge from a dict
+bridge_from_dict = Bridge.from_dict(bridge_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
@@ -4,9 +4,149 @@ All URIs are relative to *https://mainnet.zklighter.elliot.ai*

 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**bridges**](BridgeApi.md#bridges) | **GET** /api/v1/bridges | bridges
+[**bridges_is_next_bridge_fast**](BridgeApi.md#bridges_is_next_bridge_fast) | **GET** /api/v1/bridges/isNextBridgeFast | bridges_isNextBridgeFast
 [**fastbridge_info**](BridgeApi.md#fastbridge_info) | **GET** /api/v1/fastbridge/info | fastbridge_info


+# **bridges**
+> RespGetBridgesByL1Addr bridges(l1_address)
+
+bridges
+
+Get bridges for given l1 address
+
+### Example
+
+
+```python
+import lighter
+from lighter.models.resp_get_bridges_by_l1_addr import RespGetBridgesByL1Addr
+from lighter.rest import ApiException
+from pprint import pprint
+
+# Defining the host is optional and defaults to https://mainnet.zklighter.elliot.ai
+# See configuration.py for a list of all supported configuration parameters.
+configuration = lighter.Configuration(
+    host = "https://mainnet.zklighter.elliot.ai"
+)
+
+
+# Enter a context with an instance of the API client
+async with lighter.ApiClient(configuration) as api_client:
+    # Create an instance of the API class
+    api_instance = lighter.BridgeApi(api_client)
+    l1_address = 'l1_address_example' # str | 
+
+    try:
+        # bridges
+        api_response = await api_instance.bridges(l1_address)
+        print("The response of BridgeApi->bridges:\n")
+        pprint(api_response)
+    except Exception as e:
+        print("Exception when calling BridgeApi->bridges: %s\n" % e)
+```
+
+
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **l1_address** | **str**|  | 
+
+### Return type
+
+[**RespGetBridgesByL1Addr**](RespGetBridgesByL1Addr.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | A successful response. |  -  |
+**400** | Bad request |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# **bridges_is_next_bridge_fast**
+> RespGetIsNextBridgeFast bridges_is_next_bridge_fast(l1_address)
+
+bridges_isNextBridgeFast
+
+Get if next bridge is fast
+
+### Example
+
+
+```python
+import lighter
+from lighter.models.resp_get_is_next_bridge_fast import RespGetIsNextBridgeFast
+from lighter.rest import ApiException
+from pprint import pprint
+
+# Defining the host is optional and defaults to https://mainnet.zklighter.elliot.ai
+# See configuration.py for a list of all supported configuration parameters.
+configuration = lighter.Configuration(
+    host = "https://mainnet.zklighter.elliot.ai"
+)
+
+
+# Enter a context with an instance of the API client
+async with lighter.ApiClient(configuration) as api_client:
+    # Create an instance of the API class
+    api_instance = lighter.BridgeApi(api_client)
+    l1_address = 'l1_address_example' # str | 
+
+    try:
+        # bridges_isNextBridgeFast
+        api_response = await api_instance.bridges_is_next_bridge_fast(l1_address)
+        print("The response of BridgeApi->bridges_is_next_bridge_fast:\n")
+        pprint(api_response)
+    except Exception as e:
+        print("Exception when calling BridgeApi->bridges_is_next_bridge_fast: %s\n" % e)
+```
+
+
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **l1_address** | **str**|  | 
+
+### Return type
+
+[**RespGetIsNextBridgeFast**](RespGetIsNextBridgeFast.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | A successful response. |  -  |
+**400** | Bad request |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **fastbridge_info**
 > RespGetFastBridgeInfo fastbridge_info()

@@ -10,6 +10,10 @@ Name | Type | Description | Notes
 **high** | **float** |  | 
 **low** | **float** |  | 
 **close** | **float** |  | 
+**open_raw** | **float** |  | 
+**high_raw** | **float** |  | 
+**low_raw** | **float** |  | 
+**close_raw** | **float** |  | 
 **volume0** | **float** |  | 
 **volume1** | **float** |  | 
 **last_trade_id** | **int** |  | 
--- a/Show More
+++ b/Show More