added script to update chainlink functions source code

scripts/updateFunctionsSourceCode.ts

@@ -0,0 +1,40 @@
+import { viem } from "hardhat";
+import fs from "fs";
+
+const fundManagerAddress = "0xf13887480011b84cb6f80474562ba786c5f29a5e";
+
+async function main() {
+  const fundManager = await viem.getContractAt(
+    "FundManager",
+    fundManagerAddress
+  );
+
+  const fetchPastPricesFunctionSourceCode = fs.readFileSync(
+    "./chainlinkFunctions/fetchPastPrices.js"
+  );
+
+  await fundManager.write.setPriceFetchSourceCode([
+    fetchPastPricesFunctionSourceCode.toString("utf-8"),
+  ]);
+
+  const scheduleOptimizationFunctionSourceCode = fs.readFileSync(
+    "./chainlinkFunctions/scheduleOptimization.js"
+  );
+
+  await fundManager.write.setScheduleOptimizationSourceCode([
+    scheduleOptimizationFunctionSourceCode.toString("utf-8"),
+  ]);
+
+  const fetchResultFunctionSourceCode = fs.readFileSync(
+    "./chainlinkFunctions/fetchResult.js"
+  );
+
+  await fundManager.write.setResultFetchSourceCode([
+    fetchResultFunctionSourceCode.toString("utf-8"),
+  ]);
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exitCode = 1;
+});