Add script/bin for creating an Ethereum wallet

scripts/create-wallet.js

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const Wallet = require('ethereumjs-wallet');
+const userPrompt = require('prompt');
+
+let schema = {
+  properties: {
+    path: {
+      required: true,
+      default: 'wallet.json'
+    },
+    password: {
+      hidden: true,
+      required: true
+    }
+  }
+};
+
+console.log(`You're about to create an Ethereum wallet. Please provide a path and password for encryption.\n`);
+
+userPrompt.start();
+
+userPrompt.get(schema, (err, result) => {
+  if (err) { throw(err); }
+
+  let wallet = Wallet.generate();
+  let content = JSON.stringify(wallet.toV3(result.password));
+
+  fs.writeFileSync(result.path, content);
+
+  console.log(`\nWrote encrypted wallet config to ${result.path}`);
+});