script for comparing gas prices

package.json

@@ -82,7 +82,8 @@
     "generate:routes:mainnet": "yarn generate:routes 1",
     "generate:routes:testnet": "yarn generate:routes 11155111",
     "generate:chain-config": "tsx scripts/generate-chain-config.ts",
-    "generate:ui-assets": "tsx scripts/generate-ui-assets.ts"
+    "generate:ui-assets": "tsx scripts/generate-ui-assets.ts",
+    "gas-prices": "tsx scripts/gas-prices.ts"
   },
   "lint-staged": {
     "*.{jsx,tsx,js,ts}": [

scripts/gas-prices.ts

@@ -0,0 +1,204 @@
+import { BigNumber } from "ethers";
+import { writeFileSync } from "fs";
+
+type Limits = {
+  minDeposit: string;
+  maxDeposit: string;
+  maxDepositInstant: string;
+  maxDepositShortDelay: string;
+  recommendedDepositInstant: string;
+  relayerFeeDetails: {
+    relayFeeTotal: string;
+    relayFeePercent: string;
+    gasFeeTotal: string;
+    gasFeePercent: string;
+    capitalFeeTotal: string;
+    capitalFeePercent: string;
+  };
+};
+
+type Route = {
+  originChainId: number;
+  originToken: string;
+  destinationChainId: number;
+  destinationToken: string;
+  originTokenSymbol: string;
+  destinationTokenSymbol: string;
+};
+
+function buildSearchParams(
+  params: Record<string, number | string | Array<number | string>>
+): string {
+  const searchParams = new URLSearchParams();
+  for (const key in params) {
+    const value = params[key];
+    if (!value) continue;
+    if (Array.isArray(value)) {
+      value.forEach((val) => searchParams.append(key, String(val)));
+    } else {
+      searchParams.append(key, String(value));
+    }
+  }
+  return searchParams.toString();
+}
+
+const BATCH_SIZE = 5;
+
+function chunkArray<T>(array: T[], size: number): T[][] {
+  const result: T[][] = [];
+  for (let i = 0; i < array.length; i += size) {
+    result.push(array.slice(i, i + size));
+  }
+  return result;
+}
+
+// use this script to compare gas prices for relayers between 2 environments
+async function compareGasPrices() {
+  const PROD_URL = "https://app.across.to";
+  const TEST_URL = "https://app-frontend-v3-git-gas-markup-fee-uma.vercel.app";
+
+  const routes = (await fetch(`${PROD_URL}/api/available-routes`).then((res) =>
+    res.json()
+  )) as Array<Route>;
+
+  // Extract all unique destination tokens
+  const uniqueDestinationTokens = Array.from(
+    new Set(routes.map((route) => route.destinationTokenSymbol))
+  );
+
+  // Break the tokens into batches of 5
+  const tokenBatches = chunkArray(uniqueDestinationTokens, BATCH_SIZE);
+
+  const getLimits = async (baseUrl: string, tokenBatch: string[]) => {
+    return Promise.all(
+      routes
+        .filter((route) => tokenBatch.includes(route.destinationTokenSymbol))
+        .map(
+          async ({
+            destinationChainId,
+            originToken,
+            destinationToken,
+            originChainId,
+            destinationTokenSymbol,
+          }) => {
+            const limits = (await fetch(
+              `${baseUrl}/api/limits?${buildSearchParams({
+                inputToken: originToken,
+                outputToken: destinationToken,
+                originChainId,
+                destinationChainId,
+              })}`
+            ).then((res) => res.json())) as Limits;
+            return {
+              destinationChainId,
+              gasFeeTotal: BigNumber.from(limits.relayerFeeDetails.gasFeeTotal),
+              token: destinationTokenSymbol,
+            };
+          }
+        )
+    );
+  };
+
+  const fetchAllLimits = async (baseUrl: string) => {
+    const allResults: Array<{
+      token: string;
+      destinationChainId: number;
+      gasFeeTotal: BigNumber;
+    }> = [];
+
+    for (const batch of tokenBatches) {
+      const batchResults = await getLimits(baseUrl, batch);
+      allResults.push(...batchResults);
+    }
+
+    return allResults;
+  };
+
+  const [prodResults, testResults] = await Promise.all([
+    fetchAllLimits(PROD_URL),
+    fetchAllLimits(TEST_URL),
+  ]);
+
+  const aggregateResults = (
+    results: Array<{
+      token: string;
+      destinationChainId: number;
+      gasFeeTotal: BigNumber;
+    }>
+  ) => {
+    const map = new Map<string, BigNumber>();
+
+    results.forEach(({ token, destinationChainId, gasFeeTotal }) => {
+      const key = `${token}-${destinationChainId}`;
+      if (!map.has(key)) {
+        // Use only the first entry for each token/chainId combination
+        map.set(key, gasFeeTotal);
+      }
+      // Ignore subsequent duplicates
+    });
+
+    return map;
+  };
+
+  const prodResultsMap = aggregateResults(prodResults);
+  const testResultsMap = aggregateResults(testResults);
+
+  // Prepare a set of all unique keys from both production and test results
+  const allKeys = new Set<string>([
+    ...prodResultsMap.keys(),
+    ...testResultsMap.keys(),
+  ]);
+
+  // Prepare comparison data without duplicates
+  const comparisonData = Array.from(allKeys).map((key) => {
+    const [token, destinationChainIdStr] = key.split("-");
+    const destinationChainId = Number(destinationChainIdStr);
+    const prodGasFee = prodResultsMap.get(key) || BigNumber.from(0);
+    const testGasFee = testResultsMap.get(key) || BigNumber.from(0);
+    const difference = testGasFee.sub(prodGasFee);
+    const percentageChange = prodGasFee.isZero()
+      ? "N/A"
+      : `${difference.mul(100).div(prodGasFee).toNumber()}%`;
+
+    return {
+      Token: token,
+      ChainID: destinationChainId,
+      ProductionGasFee: prodGasFee.toString(),
+      TestGasFee: testGasFee.toString(),
+      Difference: difference.toString(),
+      PercentageChange:
+        percentageChange !== "N/A" ? `${percentageChange}` : "N/A",
+    };
+  });
+
+  // Generate CSV content
+  const generateCSV = (data: typeof comparisonData) => {
+    const headers = [
+      "Token",
+      "ChainID",
+      "ProductionGasFee",
+      "TestGasFee",
+      "Difference",
+      "PercentageChange",
+    ];
+    const rows = data.map((row) =>
+      [
+        row.Token,
+        row.ChainID,
+        row.ProductionGasFee,
+        row.TestGasFee,
+        row.Difference,
+        row.PercentageChange,
+      ].join(",")
+    );
+    return [headers.join(","), ...rows].join("\n");
+  };
+
+  const csvContent = generateCSV(comparisonData);
+
+  // Save the CSV content to a file
+  writeFileSync("gas-price-comparison.csv", csvContent);
+
+  console.log("CSV file has been saved to gas-price-comparison.csv");
+}
+compareGasPrices();