fix

api/solana/tickers.ts

@@ -2,12 +2,12 @@ import { VercelRequest, VercelResponse } from "@vercel/node";
 import {
   PoolStatsData,
 } from "../utils"
-import fs from "fs";
 import { BN, Provider } from "@project-serum/anchor";
 import { getMarketAddress, Market, Network } from "@invariant-labs/sdk";
 import { PublicKey } from "@solana/web3.js";
 import { PoolStructure } from "@invariant-labs/sdk/lib/market";
 import { PoolSnapshot, printBN } from "../utils";
+import data from "../../data/mainnet.json"
 
 interface Ticker {
   ticker_id: string;
@@ -35,11 +35,6 @@ export default async function (req: VercelRequest, res: VercelResponse) {
 
   let tickers: Ticker[] = [];
 
-  let dataFileName = "./data/mainnet.json";
-  const data: Record<string, PoolStatsData> = JSON.parse(
-    fs.readFileSync(dataFileName, "utf-8")
-  );
-
   const poolsList = [
     "5dX3tkVDmbHBWMCQMerAHTmd9wsRvmtKLoQt6qv9fHy7", // USDT/USDC 0.01%
     "8v7UUgCxfheNJrwoDfFyZynE9CDTgwpTBEPCRMXadPHj", // DOGIN/SOL 0.2%
@@ -76,8 +71,8 @@ export default async function (req: VercelRequest, res: VercelResponse) {
       priceMap.set(poolsList[i], price);
     }
   });
-
-  for (const [pool_id, pool] of Object.entries(data)) {
+  let typedData = data as Record<string, PoolStatsData> 
+  for (const [pool_id, pool] of Object.entries(typedData)) {
     let lastSnap: PoolSnapshot | undefined;
     let prevSnap: PoolSnapshot | undefined;
     let lastTimestamp = 0;