Merge pull request #2 from gelatodigital/feat/relayer/implementation

feat: relayer

Author: bennoprice

examples/bundler/sponsored/src/index.ts

@@ -46,11 +46,11 @@ const main = async () => {
     ]
   });
 
-  console.log('userOpHash:', hash);
+  console.log(`hash: ${hash}`);
 
   const { receipt } = await bundler.waitForUserOperationReceipt({ hash });
 
-  console.log('transaction hash:', receipt.transactionHash);
+  console.log(`transaction hash ${receipt.transactionHash}`);
   process.exit(0);
 };
 

examples/relayer/sponsored/.env.example

@@ -0,0 +1 @@
+GELATO_API_KEY="Get your api key at https://app.gelato.cloud/"

examples/relayer/sponsored/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "relayer-sponsored-payment",
+  "private": true,
+  "version": "0.0.1",
+  "scripts": {
+    "dev": "tsx src/index.ts"
+  },
+  "dependencies": {
+    "@gelatonetwork/ferry-sdk": "workspace:*",
+    "viem": "catalog:"
+  },
+  "devDependencies": {
+    "@types/node": "latest",
+    "dotenv": "^17.2.3",
+    "tsx": "^4.21.0",
+    "typescript": "catalog:"
+  }
+}

examples/relayer/sponsored/src/index.ts

@@ -0,0 +1,49 @@
+import {
+  createGelatoEvmRelayerClient,
+  type Status,
+  StatusCode,
+  sponsored
+} from '@gelatonetwork/ferry-sdk';
+import 'dotenv/config';
+import { baseSepolia } from 'viem/chains';
+
+const GELATO_API_KEY = process.env['GELATO_API_KEY'];
+
+if (!GELATO_API_KEY) {
+  throw new Error('GELATO_API_KEY is not set');
+}
+
+const main = async () => {
+  const relayer = createGelatoEvmRelayerClient({ apiKey: GELATO_API_KEY, testnet: true });
+
+  const hash = await relayer.sendTransaction({
+    chainId: baseSepolia.id,
+    data: '0xd09de08a',
+    payment: sponsored(),
+    to: '0xE27C1359cf02B49acC6474311Bd79d1f10b1f8De'
+  });
+
+  console.log(`hash: ${hash}`);
+
+  let status: Status;
+  while (true) {
+    status = await relayer.getStatus({ id: hash });
+
+    if (status.status !== StatusCode.Pending && status.status !== StatusCode.Submitted) {
+      break;
+    }
+  }
+
+  if (status.status === StatusCode.Confirmed) {
+    console.log(`transaction hash ${status.receipt.transactionHash}`);
+    process.exit(0);
+  } else {
+    console.log(`transaction failed, message: ${status.message}, data: ${status.data}`);
+    process.exit(1);
+  }
+};
+
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/relayer/sponsored/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.json"
+}

package.json

@@ -23,8 +23,7 @@
     "@changesets/cli": "2.29.7",
     "@types/node": "latest",
     "lefthook": "2.0.2",
-    "typescript": "catalog:",
-    "viem": "catalog:"
+    "typescript": "catalog:"
   },
   "engines": {
     "node": ">=23"