Merge pull request #9 from ephemeraHQ/sdk_help

Helper file

Author: humanagent

examples/gm-text/.env.example

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+WALLET_KEY= # the private key of the wallet
+ENCRYPTION_KEY= # a second random 32 bytes encryption key for local db encryption

examples/gm-text/.gitignore

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+# Main
+.env
+node_modules/
+.data/
+dist/
+.DS_Store
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# IDE files
+.vscode/
+.idea/
+
+# packages
+.yarn/
+.pnpm/
+.pnpm-workspace/

examples/gm-text/README.md

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+## GM agent
+
+> Try XMTP using [xmtp.chat](https://xmtp.chat)
+
+This agent replies GM
+
+```tsx
+import { Message, xmtpClient } from "@xmtp/agent-starter";
+
+async function main() {
+  const client = await xmtpClient({
+    walletKey: process.env.WALLET_KEY as string,
+    onMessage: async (message: Message) => {
+      console.log(
+        `Decoded message: ${message?.content.text} by ${message.sender.address}`,
+      );
+      await client.send({
+        message: "gm",
+        originalMessage: message,
+      });
+    },
+  });
+
+  console.log("client is up and running...");
+}
+
+main().catch(console.error);
+```

examples/gm-text/package.json

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+{
+  "name": "@example/gm-text",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "tsc",
+    "clean": "rm -rf .turbo && rm -rf node_modules && rm -rf dist",
+    "dev": "tsc -w & sleep 1 && NODE_NO_WARNINGS=1 node --watch dist/index.js",
+    "start": "node dist/index.js"
+  },
+  "dependencies": {
+    "@xmtp/content-type-text": "^2.0.0",
+    "@xmtp/node-sdk": "^0.0.40"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.21",
+    "@types/node": "^22.10.9",
+    "typescript": "^5.7.3"
+  },
+  "engines": {
+    "node": ">=22"
+  }
+}

examples/gm-text/src/index.ts

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+import { xmtpClient, type Message } from "./lib/helper.js";
+
+async function main() {
+  const client = await xmtpClient({
+    walletKey: process.env.WALLET_KEY as string,
+    onMessage: async (message: Message) => {
+      console.log(
+        `Decoded message: ${message.content.text} by ${message.sender.address}`,
+      );
+      await client.send({
+        message: "gm",
+        originalMessage: message,
+      });
+    },
+  });
+
+  console.log(
+    `XMTP agent initialized on ${client.address}\nSend a message on https://converse.xyz/dm/${client.address}`,
+  );
+}
+
+main().catch(console.error);