Add command-line interface to @0x/migrations

packages/migrations/bin/0x-migrate.js

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require('../lib/cli.js');

packages/migrations/package.json

@@ -21,6 +21,9 @@
             "assets": []
         }
     },
+    "bin": {
+        "0x-migrate": "bin/0x-migrate.js"
+    },
     "license": "Apache-2.0",
     "devDependencies": {
         "@0x/dev-utils": "^1.0.18",

packages/migrations/src/cli.ts

@@ -0,0 +1,38 @@
+#!/usr/bin/env node
+import { RPCSubprovider, Web3ProviderEngine } from '@0x/subproviders';
+import { logUtils } from '@0x/utils';
+import * as yargs from 'yargs';
+
+import { runMigrationsAsync } from './migration';
+
+const args = yargs
+    .option('node-endpoint', {
+        describe: 'Endpoint where backing Ethereum node is hosted',
+        type: 'string',
+        demandOption: false,
+        default: 'http://localhost:8545',
+    })
+    .option('from', {
+        describe: 'Ethereum address from which to deploy the contracts',
+        type: 'string',
+        demandOption: true,
+    })
+    .example(
+        '$0 --node-endpoiont http://localhost:8545 --from 0x5409ed021d9299bf6814279a6a1411a7e866a631',
+        'Full usage example',
+    ).argv;
+
+(async () => {
+    const rpcSubprovider = new RPCSubprovider(args['node-endpoint']);
+    const provider = new Web3ProviderEngine();
+    provider.addProvider(rpcSubprovider);
+    provider.start();
+    const txDefaults = {
+        from: args.from,
+    };
+    await runMigrationsAsync(provider, txDefaults);
+    process.exit(0);
+})().catch(err => {
+    logUtils.log(err);
+    process.exit(1);
+});