Integrate StandX exchange support by updating configuration files, adding environment variables, and enhancing documentation. Include new API endpoints and authentication details for StandX in README and dedicated documentation files. Update CLI and adapter logic to accommodate StandX functionalities.

src/exchanges/create-adapter.ts

@@ -5,6 +5,7 @@ import { LighterExchangeAdapter, type LighterCredentials } from "./lighter/adapt
 import { BackpackExchangeAdapter, type BackpackCredentials } from "./backpack/adapter";
 import { ParadexExchangeAdapter, type ParadexCredentials } from "./paradex/adapter";
 import { NadoExchangeAdapter, type NadoCredentials } from "./nado/adapter";
+import { StandxExchangeAdapter, type StandxCredentials } from "./standx/adapter";
 
 export interface ExchangeFactoryOptions {
   symbol: string;
@@ -15,9 +16,17 @@ export interface ExchangeFactoryOptions {
   backpack?: BackpackCredentials;
   paradex?: ParadexCredentials;
   nado?: NadoCredentials;
+  standx?: StandxCredentials;
 }
 
-export type SupportedExchangeId = "aster" | "grvt" | "lighter" | "backpack" | "paradex" | "nado";
+export type SupportedExchangeId =
+  | "aster"
+  | "grvt"
+  | "lighter"
+  | "backpack"
+  | "paradex"
+  | "nado"
+  | "standx";
 
 export function resolveExchangeId(value?: string | null): SupportedExchangeId {
   const fallback = (value ?? process.env.EXCHANGE ?? process.env.TRADE_EXCHANGE ?? "aster")
@@ -29,6 +38,7 @@ export function resolveExchangeId(value?: string | null): SupportedExchangeId {
   if (fallback === "backpack") return "backpack";
   if (fallback === "paradex") return "paradex";
   if (fallback === "nado") return "nado";
+  if (fallback === "standx") return "standx";
   return "aster";
 }
 
@@ -38,6 +48,7 @@ export function getExchangeDisplayName(id: SupportedExchangeId): string {
   if (id === "backpack") return "Backpack";
   if (id === "paradex") return "Paradex";
   if (id === "nado") return "Nado";
+  if (id === "standx") return "StandX";
   return "AsterDex";
 }
 
@@ -58,5 +69,8 @@ export function createExchangeAdapter(options: ExchangeFactoryOptions): Exchange
   if (id === "nado") {
     return new NadoExchangeAdapter({ ...options.nado, symbol: options.symbol });
   }
+  if (id === "standx") {
+    return new StandxExchangeAdapter({ ...options.standx, symbol: options.symbol });
+  }
   return new AsterExchangeAdapter({ ...options.aster, symbol: options.symbol });
 }