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discountry a6394191d8 docs: update README and add bilingual configuration guides for exchanges

- Changed installation command from `npx` to `bunx` for consistency.
- Added bilingual configuration guides for Aster and Backpack exchanges.
- Updated exchange details in the README to reflect new market types and required settings.
- Enhanced clarity in the supported exchanges section with updated variable names and descriptions.

2026-07-12 11:51:45 +08:00

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Paradex Configuration Guide

中文版：Paradex 配置教程

Scope

This guide configures the Paradex perpetual adapter. The current implementation uses CCXT with an EVM wallet address and matching private key for Paradex account authentication. Production and testnet environments are supported.

1. Prepare a dedicated wallet and account

Create an EVM wallet dedicated to Paradex API trading.
Connect that wallet on Paradex and complete account onboarding.
Accept the trading terms and fund the target environment.
Record the wallet's 0x address and matching 32-byte private key.

The adapter validates these formats:

PARADEX_PRIVATE_KEY must contain 0x followed by 64 hexadecimal characters.
PARADEX_WALLET_ADDRESS must contain 0x followed by 40 hexadecimal characters.

2. Minimal mainnet configuration

EXCHANGE=paradex
PARADEX_PRIVATE_KEY=<0x_private_key>
PARADEX_WALLET_ADDRESS=<0x_wallet_address>
PARADEX_SANDBOX=false
PARADEX_SYMBOL=BTC-USD-PERP

BTC-USD-PERP is the native Paradex market ID. The adapter resolves it to the CCXT unified market symbol. The native ID avoids unified-symbol collisions between options, dated futures, and perpetuals.

3. Testnet configuration

EXCHANGE=paradex
PARADEX_PRIVATE_KEY=<0x_testnet_private_key>
PARADEX_WALLET_ADDRESS=<0x_testnet_wallet_address>
PARADEX_SANDBOX=true
PARADEX_SYMBOL=BTC-USD-PERP

The Paradex testnet account requires separate onboarding. Mainnet and testnet account state, balances, and authentication contexts are independent.

4. Optional settings

Variable	Default	Purpose
`PARADEX_RECONNECT_DELAY_MS`	`2000`	WebSocket/polling reconnect delay
`PARADEX_USE_PRO`	Auto-detect	Allows `ccxt.pro` streaming APIs
`PARADEX_DEBUG`	`false`	Adapter debug output

The project depends on ccxt and does not include ccxt.pro. A standard installation uses REST polling.

5. Verify the configuration

bun run index.ts doctor --exchange paradex --symbol BTC-USD-PERP --json
bun run index.ts market ticker --exchange paradex --symbol BTC-USD-PERP --json

The ticker check loads markets and verifies account access. It creates no orders. An account without onboarding returns a specific error.

Troubleshooting

Invalid PARADEX_PRIVATE_KEY: use a 32-byte 0x hexadecimal private key.
Invalid PARADEX_WALLET_ADDRESS: use the matching 20-byte EVM address.
Paradex account is not onboarded: complete onboarding in the selected mainnet or testnet environment.
Symbol ... not found: use the native market ID, such as BTC-USD-PERP.
Balance query failures: verify that the address, private key, and PARADEX_SANDBOX setting belong to one environment.

Security

Use a dedicated API wallet and keep only strategy capital in it.
The private key can sign wallet actions. Apply restrictive file permissions and limit host access.
Move funds and replace the wallet immediately after key exposure.

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