run with anvil

.gitignore

@@ -1,4 +1,6 @@
 .DS_Store
 dist/
 node_modules/
-yarn-error.log
+yarn-error.log
+
+.env

package.json

@@ -8,17 +8,20 @@
   ],
   "scripts": {
     "build": "tsc",
-    "test": "vitest",
+    "test": "./scripts/tests.sh",
     "lint": "eslint --cache --max-warnings 0",
     "typecheck": "tsc --noEmit",
     "check-lockfile": "./scripts/check-lockfile.sh",
-    "audit:ci": "yarn audit-ci --moderate --config audit-ci.jsonc"
+    "audit:ci": "yarn audit-ci --moderate --config audit-ci.jsonc",
+    "anvil": "ETH_MAINNET_RPC=$(grep ETH_MAINNET_RPC .env | cut -d '=' -f2) && anvil --fork-url $ETH_MAINNET_RPC",
+    "anvil:kill": "lsof -i :8545|tail -n +2|awk '{print $2}'|xargs -r kill -s SIGINT"
   },
   "type": "module",
   "module": "dist/index.js",
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "6.20.0",
     "@typescript-eslint/parser": "6.20.0",
+    "anvil": "^0.0.6",
     "audit-ci": "6.6.1",
     "eslint": "8.56.0",
     "eslint-config-prettier": "9.1.0",

scripts/tests.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+ANVIL_PORT=8545
+
+# Launch anvil in the bg
+yarn anvil:kill
+yarn anvil --chain-id 1 &
+echo "Launching Anvil..."
+
+# Give it some time to boot
+interval=5
+until nc -z localhost $ANVIL_PORT; do
+  sleep $interval
+  interval=$((interval * 2))
+done
+echo "Anvil Launched..."
+
+# Run the tests and store the result
+echo "Running Tests..."
+yarn vitest --reporter=verbose --bail 1
+
+# Store exit code
+TEST_RESULT=$?
+
+# kill anvil
+echo "Cleaning Up..."
+yarn anvil:kill
+
+# return the result of the tests
+exit "$TEST_RESULT"

src/handleProviderRequest.test.ts

@@ -7,7 +7,7 @@ import {
 } from './references/messengers';
 import { Address, isHex } from 'viem';
 import { mainnet, optimism } from 'viem/chains';
-import { getDefaultProvider } from '@ethersproject/providers';
+import { StaticJsonRpcProvider } from '@ethersproject/providers';
 
 const TESTMAR27_ETH_ADDRESS: Address =
   '0x5e087b61aad29559e31565079fcdabe384b44614';
@@ -48,7 +48,7 @@ describe('handleProviderRequest', () => {
     switch (chainId) {
       case 1:
       default:
-        return getDefaultProvider('mainnet');
+        return new StaticJsonRpcProvider('http://127.0.0.1:8545');
     }
   });
   const messengerProviderRequestMock = vi.fn(() => Promise.resolve({}));

yarn.lock

@@ -852,6 +852,11 @@ ansi-styles@^5.0.0:
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-5.2.0.tgz#07449690ad45777d1924ac2abb2fc8895dba836b"
   integrity sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==
 
+anvil@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/anvil/-/anvil-0.0.6.tgz#f572691462fd76c087fc6b76d77e628a8db7a7aa"
+  integrity sha512-k9GcppcaE1cruJj1Gi141q/5TlPO2HIitPz99K0tWWh5ImtYG3Lq83lIWQXqrNRA+hX7DN/EjS7J9tCI/wDofQ==
+
 argparse@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"