feat: 添加 Paradex 适配器支持，更新环境变量配置和适配器构建逻辑

tests/config.test.ts

@@ -0,0 +1,46 @@
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { resolveSymbolFromEnv } from "../src/config";
+
+const ORIGINAL_ENV = { ...process.env };
+
+beforeEach(() => {
+  process.env = { ...ORIGINAL_ENV };
+});
+
+afterEach(() => {
+  process.env = { ...ORIGINAL_ENV };
+});
+
+describe("resolveSymbolFromEnv", () => {
+  it("prefers exchange-specific symbol when available", () => {
+    process.env.EXCHANGE = "backpack";
+    process.env.BACKPACK_SYMBOL = "ETHUSDC";
+    process.env.TRADE_SYMBOL = "BTCUSDT";
+
+    expect(resolveSymbolFromEnv()).toBe("ETHUSDC");
+  });
+
+  it("falls back to TRADE_SYMBOL when exchange symbol is missing", () => {
+    process.env.EXCHANGE = "paradex";
+    process.env.TRADE_SYMBOL = "ETH/USDC";
+    delete process.env.PARADEX_SYMBOL;
+
+    expect(resolveSymbolFromEnv()).toBe("ETH/USDC");
+  });
+
+  it("uses exchange-specific fallback when no env is defined", () => {
+    process.env.EXCHANGE = "paradex";
+    delete process.env.PARADEX_SYMBOL;
+    delete process.env.TRADE_SYMBOL;
+
+    expect(resolveSymbolFromEnv()).toBe("BTC/USDC");
+  });
+
+  it("supports resolving symbol for an explicit exchange id", () => {
+    delete process.env.EXCHANGE;
+    process.env.GRVT_SYMBOL = "ETHUSDT";
+
+    expect(resolveSymbolFromEnv("grvt")).toBe("ETHUSDT");
+  });
+});
+

tests/exchange-factory.test.ts

@@ -3,6 +3,7 @@ import { createExchangeAdapter, resolveExchangeId } from "../src/exchanges/creat
 import { AsterExchangeAdapter } from "../src/exchanges/aster-adapter";
 import { GrvtExchangeAdapter } from "../src/exchanges/grvt/adapter";
 import { BackpackExchangeAdapter } from "../src/exchanges/backpack/adapter";
+import { ParadexExchangeAdapter } from "../src/exchanges/paradex/adapter";
 
 const ORIGINAL_ENV = { ...process.env };
 
@@ -28,6 +29,7 @@ describe("exchange factory", () => {
     expect(resolveExchangeId("Grvt")).toBe("grvt");
     expect(resolveExchangeId("ASTER")).toBe("aster");
     expect(resolveExchangeId("BACKPACK")).toBe("backpack");
+    expect(resolveExchangeId("PaRaDeX")).toBe("paradex");
   });
 
   it("creates grvt adapter when EXCHANGE=grvt", () => {
@@ -54,4 +56,15 @@ describe("exchange factory", () => {
     expect(adapter).toBeInstanceOf(BackpackExchangeAdapter);
     expect(adapter.id).toBe("backpack");
   });
+
+  it("creates paradex adapter when EXCHANGE=paradex", () => {
+    process.env.EXCHANGE = "paradex";
+    process.env.PARADEX_PRIVATE_KEY = "0x" + "1".repeat(64);
+    process.env.PARADEX_WALLET_ADDRESS = "0x" + "2".repeat(40);
+    process.env.PARADEX_SYMBOL = "BTC/USDC";
+
+    const adapter = createExchangeAdapter({ symbol: "BTC/USDC" });
+    expect(adapter).toBeInstanceOf(ParadexExchangeAdapter);
+    expect(adapter.id).toBe("paradex");
+  });
 });