anvil test

Author: donoso-eth

.env.example

@@ -1,2 +1,3 @@
 PROVIDER_URLS="https://eth-mainnet.alchemyapi.io/v2/YOUR_ALCHEMY_ID"  # your provider URLS seperated by comma 
-PRIVATE_KEY="" ## Optional: Only needed if you wish to create a task from the CLI instead of the UI
+PRIVATE_KEY="" ## Optional: Only needed if you wish to create a task from the CLI instead of the UI
+RPC="" ## PRC FOR ANVIL FORK

README.md

@@ -129,7 +129,7 @@ Web3Function.onRun(async (context: Web3FunctionContext) => {
 
 - Example:<br/> `npx w3f test web3-functions/oracle/index.ts --show-logs`
 - Output:
-  ```
+```
 Web3Function Build result:
  ✓ Schema: web3-functions/oracle/schema.json
  ✓ Built file: /Users/chuahsonglin/Documents/GitHub/Gelato/backend/js-resolver-template/.tmp/index.js

package.json

@@ -12,7 +12,8 @@
     "create-task:event": "ts-node scripts/create-task-event-listener.ts",
     "create-task:oracle": "ts-node scripts/create-task-oracle.ts",
     "create-task:secrets": "ts-node scripts/create-task-with-secrets.ts",
-    "create-task:ad-board": "ts-node scripts/create-task-ad-board.ts"
+    "create-task:ad-board": "ts-node scripts/create-task-ad-board.ts",
+    "forkAnvil": "ts-node scripts/forkAnvil.ts"
   },
   "keywords": [],
   "author": "",

scripts/forkAnvil.ts

@@ -0,0 +1,40 @@
+
+import * as dotenv from 'dotenv';
+dotenv.config();
+
+const forkChain = async () => {
+ 
+    const { spawn } = await import("child_process");
+
+    const RPC = process.env['RPC']! 
+    let params = ["-f",RPC]
+
+    let blockNumber;
+
+    if (blockNumber)  {
+         params.push(`--fork-block-number=${blockNumber}`)
+    }
+
+    /// You can add as much customs params as wanted
+    const childProcess = spawn('anvil',params, {
+        stdio: "inherit",
+      });
+    
+      childProcess.once("close", (status) => {
+        childProcess.removeAllListeners("error");
+  
+        if (status === 0) {
+        console.log('ok')
+        } else {
+            console.log('error')
+        }
+
+      });
+  
+      childProcess.once("error", (_status) => {
+        childProcess.removeAllListeners("close");
+        console.log('error')
+      });
+}
+
+forkChain()