update code and include package.json

examples/hello_world/generate-credentials.ts

@@ -1,16 +1,20 @@
-import { MeshWallet } from '@meshsdk/core';
-import fs from 'node:fs';
-
-const secret_key = MeshWallet.brew(true) as string;
-
-fs.writeFileSync('me.sk', secret_key);
-
-const wallet = new MeshWallet({
-  networkId: 0,
-  key: {
-    type: 'root',
-    bech32: secret_key,
-  },
-});
-
-fs.writeFileSync('me.addr', wallet.getUnusedAddresses()[0]);
+import { MeshWallet } from "@meshsdk/core";
+import fs from "node:fs";
+
+async function main() {
+  const secret_key = MeshWallet.brew(true) as string;
+
+  fs.writeFileSync("me.sk", secret_key);
+
+  const wallet = new MeshWallet({
+    networkId: 0,
+    key: {
+      type: "root",
+      bech32: secret_key,
+    },
+  });
+
+  fs.writeFileSync("me.addr", (await wallet.getUnusedAddresses())[0]);
+}
+
+main();

examples/hello_world/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "hello_world",
+  "version": "0.0.1",
+  "scripts": {
+    "generate": "npx tsx generate-credentials.ts",
+    "lock": "npx tsx lock.ts"
+  },
+  "author": "jinglescode",
+  "dependencies": {
+    "@meshsdk/core": "^1.8.4",
+    "tsx": "^4.19.2"
+  }
+}