feat: 添加 Lighter 适配器及相关功能，支持 trailing stops 和新的交易逻辑

tests/exchange-factory.test.ts

@@ -16,6 +16,8 @@ afterEach(() => {
 describe("exchange factory", () => {
   it("defaults to aster when no env is provided", () => {
     delete process.env.EXCHANGE;
+    process.env.ASTER_API_KEY = "key";
+    process.env.ASTER_API_SECRET = "secret";
     const adapter = createExchangeAdapter({ symbol: "BTCUSDT" });
     expect(adapter).toBeInstanceOf(AsterExchangeAdapter);
     expect(adapter.id).toBe("aster");

tests/lighter/signer.test.ts

@@ -0,0 +1,52 @@
+import { describe, expect, it } from "vitest";
+import { LighterSigner } from "../../src/exchanges/lighter/signer";
+import { LIGHTER_ORDER_TYPE, LIGHTER_TIME_IN_FORCE } from "../../src/exchanges/lighter/constants";
+
+describe("LighterSigner", () => {
+  it("produces deterministic create order signature", () => {
+    const signer = new LighterSigner({
+      accountIndex: 65,
+      chainId: 300,
+      apiKeys: {
+        3: "0xed636277f3753b6c0275f7a28c2678a7f3a95655e09deaebec15179b50c5da7f903152e50f594f7b",
+      },
+    });
+
+    const signed = signer.signCreateOrder({
+      marketIndex: 0,
+      clientOrderIndex: 123n,
+      baseAmount: 1000n,
+      price: 170000,
+      isAsk: 1,
+      orderType: LIGHTER_ORDER_TYPE.MARKET,
+      timeInForce: LIGHTER_TIME_IN_FORCE.IMMEDIATE_OR_CANCEL,
+      reduceOnly: 0,
+      triggerPrice: 0,
+      orderExpiry: 0n,
+      expiredAt: 1700000000000n,
+      apiKeyIndex: 3,
+      nonce: 42n,
+    });
+
+    const payload = JSON.parse(signed.txInfo);
+    expect(payload.AccountIndex).toBe(65);
+    expect(payload.ApiKeyIndex).toBe(3);
+    expect(payload.OrderInfo).toMatchObject({
+      MarketIndex: 0,
+      ClientOrderIndex: 123,
+      BaseAmount: 1000,
+      Price: 170000,
+      IsAsk: 1,
+      Type: LIGHTER_ORDER_TYPE.MARKET,
+      TimeInForce: LIGHTER_TIME_IN_FORCE.IMMEDIATE_OR_CANCEL,
+      ReduceOnly: 0,
+      TriggerPrice: 0,
+      OrderExpiry: 0,
+    });
+    expect(typeof payload.Sig).toBe("string");
+    expect(payload.Sig.length).toBeGreaterThan(0);
+    expect(signed.txHash).toBe("3ef41bc5fdb2e2146b5f5df046fb1ad801dc2aa5c47703665bfd3eb67a21e67048957f7187b12035");
+    expect(typeof signed.signature).toBe("string");
+    expect(signed.signature.length).toBeGreaterThan(0);
+  });
+});

tests/order-coordinator.test.ts

@@ -32,6 +32,7 @@ const baseOrder: AsterOrder = {
 function createMockExchange(overrides: Partial<ExchangeAdapter> = {}): ExchangeAdapter {
   return {
     id: "mock",
+    supportsTrailingStops: () => true,
     watchAccount: () => undefined,
     watchOrders: () => undefined,
     watchDepth: () => undefined,