Add EVM support to OKX DEX provider

packages/swapper/src/okx/constants.ts

@@ -1,3 +1,13 @@
+import { Chain } from "@gemwallet/types";
+
+export const EVM_CHAIN_INDEX: Record<string, string> = {
+    [Chain.Manta]: "169",
+    [Chain.Mantle]: "5000",
+    [Chain.XLayer]: "196",
+};
+
+export const EVM_NATIVE_TOKEN_ADDRESS = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
+
 const SOLANA_DEX_IDS = [
     "277", // Raydium
     "278", // Raydium CL

packages/swapper/src/okx/integration.test.ts

@@ -1,6 +1,6 @@
-import { QuoteRequest } from "@gemwallet/types";
+import { Chain, QuoteRequest } from "@gemwallet/types";
 
-import { createSolanaUsdcQuoteRequest } from "../testkit/mock";
+import { createOkxEvmQuoteRequest, createSolanaUsdcQuoteRequest, MANTA_USDC_ADDRESS } from "../testkit/mock";
 import { OkxProvider } from "./provider";
 
 const OKX_ENV_KEYS = ["OKX_API_KEY", "OKX_SECRET_KEY", "OKX_API_PASSPHRASE", "OKX_PROJECT_ID"];
@@ -13,27 +13,82 @@ const hasAuth = hasAuthEnv();
 const runIntegration = process.env.OKX_INTEGRATION_TEST === "1" && hasAuth;
 const itIntegration = runIntegration ? it : it.skip;
 
-const REQUEST_TEMPLATE: QuoteRequest = createSolanaUsdcQuoteRequest();
+const SOLANA_REQUEST: QuoteRequest = createSolanaUsdcQuoteRequest();
+
+const MANTA_NATIVE_TO_USDC_REQUEST: QuoteRequest = createOkxEvmQuoteRequest({
+    from_value: "10000000000000000",
+});
+
+const MANTA_USDC_TO_NATIVE_REQUEST: QuoteRequest = createOkxEvmQuoteRequest({
+    from_asset: {
+        id: `${Chain.Manta}_${MANTA_USDC_ADDRESS}`,
+        symbol: "USDC",
+        decimals: 6,
+    },
+    to_asset: {
+        id: Chain.Manta,
+        symbol: "ETH",
+        decimals: 18,
+    },
+    from_value: "1000000",
+});
 
 describe("OKX live integration", () => {
     jest.setTimeout(60_000);
 
-    itIntegration("fetches a live quote and builds quote data", async () => {
-        const provider = new OkxProvider(process.env.SOLANA_URL || "https://solana-rpc.publicnode.com");
-        const quote = await provider.get_quote(REQUEST_TEMPLATE);
+    describe("Solana", () => {
+        itIntegration("fetches a live quote and builds quote data", async () => {
+            const provider = new OkxProvider(process.env.SOLANA_URL || "https://solana-rpc.publicnode.com");
+            const quote = await provider.get_quote(SOLANA_REQUEST);
+
+            expect(BigInt(quote.output_value) > BigInt(0)).toBe(true);
+            expect(quote.route_data).toBeDefined();
+
+            const quoteData = await provider.get_quote_data(quote);
+
+            expect(quoteData.dataType).toBe("contract");
+            expect(typeof quoteData.data).toBe("string");
+            expect(quoteData.data.length).toBeGreaterThan(0);
+            expect(typeof quoteData.to).toBe("string");
+            expect(quoteData.to.length).toBeGreaterThan(0);
+
+            const serialized = Buffer.from(quoteData.data, "base64");
+            expect(serialized.length).toBeGreaterThan(0);
+        });
+    });
+
+    describe("EVM (Manta)", () => {
+        itIntegration("fetches a live quote for native to token swap", async () => {
+            const provider = new OkxProvider(process.env.SOLANA_URL || "https://solana-rpc.publicnode.com");
+            const quote = await provider.get_quote(MANTA_NATIVE_TO_USDC_REQUEST);
+
+            expect(BigInt(quote.output_value) > BigInt(0)).toBe(true);
+            expect(quote.route_data).toBeDefined();
+        });
 
-        expect(BigInt(quote.output_value) > BigInt(0)).toBe(true);
-        expect(quote.route_data).toBeDefined();
+        itIntegration("builds quote data for native to token swap", async () => {
+            const provider = new OkxProvider(process.env.SOLANA_URL || "https://solana-rpc.publicnode.com");
+            const quote = await provider.get_quote(MANTA_NATIVE_TO_USDC_REQUEST);
+            const quoteData = await provider.get_quote_data(quote);
 
-        const quoteData = await provider.get_quote_data(quote);
+            expect(quoteData.dataType).toBe("contract");
+            expect(quoteData.data).toMatch(/^0x/);
+            expect(quoteData.to).toMatch(/^0x/);
+            expect(quoteData.value).toBeDefined();
+            expect(quoteData.approval).toBeUndefined();
+        });
 
-        expect(quoteData.dataType).toBe("contract");
-        expect(typeof quoteData.data).toBe("string");
-        expect(quoteData.data.length).toBeGreaterThan(0);
-        expect(typeof quoteData.to).toBe("string");
-        expect(quoteData.to.length).toBeGreaterThan(0);
+        itIntegration("builds quote data with approval for token to native swap", async () => {
+            const provider = new OkxProvider(process.env.SOLANA_URL || "https://solana-rpc.publicnode.com");
+            const quote = await provider.get_quote(MANTA_USDC_TO_NATIVE_REQUEST);
+            const quoteData = await provider.get_quote_data(quote);
 
-        const serialized = Buffer.from(quoteData.data, "base64");
-        expect(serialized.length).toBeGreaterThan(0);
+            expect(quoteData.dataType).toBe("contract");
+            expect(quoteData.data).toMatch(/^0x/);
+            expect(quoteData.approval).toBeDefined();
+            expect(quoteData.approval!.token).toBe(MANTA_USDC_ADDRESS);
+            expect(quoteData.approval!.spender).toMatch(/^0x/);
+            expect(quoteData.approval!.value).toBe("1000000");
+        });
     });
 });