return data needed for the swap

src/aggregator.ts

@@ -11,28 +11,50 @@ export async function getBestPath(
   tokenOutAddress: string,
   network: "mainnet" | "testnet",
 ) {
-  const velarAmtOut = await velarQuoter(
-    velar,
-    amtIn,
-    tokenInName,
-    tokenInAddress,
-    tokenOutName,
-    tokenOutAddress,
-    network,
-  );
+  let velarAmtOut;
 
-  const alexAmtOut = await alexQuoter(
-    alex,
-    amtIn,
-    tokenInName,
-    tokenInAddress,
-    tokenOutName,
-    tokenOutAddress,
-    network,
-  );
+  try {
+    velarAmtOut = await velarQuoter(
+      velar,
+      amtIn,
+      tokenInName,
+      tokenInAddress,
+      tokenOutName,
+      tokenOutAddress,
+      network,
+    );
+  } catch {
+    velarAmtOut = 0n;
+  }
+
+  let alexAmtOut;
+
+  try {
+    alexAmtOut = await alexQuoter(
+      alex,
+      amtIn,
+      tokenInName,
+      tokenInAddress,
+      tokenOutName,
+      tokenOutAddress,
+      network,
+    );
+  } catch {
+    alexAmtOut = 0n;
+  }
+
+  const dex = alexAmtOut > velarAmtOut ? "alex" : "velar";
+  let data: any = {};
+
+  if (dex == "velar")
+    data = {
+      shareFeeTo:
+        "SP1Y5YSTAHZ88XYK1VPDH24GY0HPX5J4JECTMY4A1.univ2-share-fee-to",
+    };
 
   return {
-    dex: alexAmtOut > velarAmtOut ? "alex" : "velar",
-    amtOut: Math.max(alexAmtOut, velarAmtOut),
+    dex,
+    amtOut: alexAmtOut > velarAmtOut ? alexAmtOut : velarAmtOut,
+    data,
   };
 }

src/velar.ts

@@ -24,7 +24,7 @@ export async function getVelarPoolData(
   };
 
   const poolId: any = await callReadOnlyFunction(options);
-  if (poolId.type == 8) throw "Pool does not exist";
+  if (poolId.type == 8 || poolId.type == 9) throw "Pool does not exist";
 
   options.functionName = "lookup-pool";
   const poolData: any = await callReadOnlyFunction(options);

test/aggregator.test.ts

@@ -0,0 +1,48 @@
+import { getBestPath } from "../src";
+import {
+  aeusdcContractAddress,
+  aeusdcContractName,
+  alex,
+  ststxContractAddress,
+  ststxContractName,
+  susdtContractAddress,
+  susdtContractName,
+  velar,
+  wstxContractAddress,
+  wstxContractName,
+} from "./constants";
+
+describe("Aggregator quoter", () => {
+  it("alex is the best path", async () => {
+    const res = await getBestPath(
+      velar,
+      alex,
+      100n,
+      wstxContractName,
+      wstxContractAddress,
+      susdtContractName,
+      susdtContractAddress,
+      "mainnet",
+    );
+
+    expect(res.dex).toBe("alex");
+  });
+
+  it("velar is the best path", async () => {
+    const res = await getBestPath(
+      velar,
+      alex,
+      100n,
+      ststxContractName,
+      ststxContractAddress,
+      aeusdcContractName,
+      aeusdcContractAddress,
+      "mainnet",
+    );
+
+    expect(res.dex).toBe("velar");
+    expect(res.data?.shareFeeTo).toBe(
+      "SP1Y5YSTAHZ88XYK1VPDH24GY0HPX5J4JECTMY4A1.univ2-share-fee-to",
+    );
+  });
+});

test/alex.test.ts

@@ -1,10 +1,6 @@
 import { alexQuoter, getAlexPoolData } from "../src";
 import {
-  aeusdcContractAddress,
-  aeusdcContractName,
   alex,
-  ststxContractAddress,
-  ststxContractName,
   susdtContractAddress,
   susdtContractName,
   wstxContractAddress,