add basic cli & devchain cmd

index.js

@@ -1,4 +1,8 @@
 module.exports = {
-	// ENS is deterministically deployed to this address
-	ens: '0x5f6f7e8cc7346a11ca2def8f827b7a0b612c56a1'
-}
+  // ENS is deterministically deployed to this address
+  ens: '0x5f6f7e8cc7346a11ca2def8f827b7a0b612c56a1',
+  ConsoleReporter: require('./src/reporters/ConsoleReporter'),
+  commands: {
+    devchain: require('./src/commands/devchain'),
+  },
+}

package.json

@@ -1,8 +1,11 @@
 {
   "name": "@aragon/aragen",
-  "version": "3.0.0",
+  "version": "3.0.0-beta.1",
   "description": "Generate Aragon local dev environment snapshots",
   "main": "index.js",
+  "bin": {
+    "aragen": "./src/cli.js"
+  },
   "scripts": {
     "prepublishOnly": "npm run start",
     "start": "npm run start-ganache-bg && npm run get-repos && npm run gen",
@@ -33,6 +36,18 @@
     "url": "https://github.com/aragon/aragen/issues"
   },
   "homepage": "https://github.com/aragon/aragen#readme",
+  "dependencies": {
+    "@babel/polyfill": "^7.0.0",
+    "chalk": "^2.1.0",
+    "figures": "^2.0.0",
+    "ganache-core": "^2.2.1",
+    "listr": "^0.13.0",
+    "ncp": "^2.0.0",
+    "mkdirp": "^0.5.1",
+    "rimraf": "^2.6.2",
+    "web3": "^1.0.0-beta.34",
+    "yargs": "^12.0.2"
+  },
   "devDependencies": {
     "@aragon/cli": "^4.0.0-rc.14",
     "ganache-cli": "^6.2.1",

readme.md

@@ -36,7 +36,7 @@ To use directly with ganache-cli:
 
 ```
 npm install @aragon/aragen
-ganache-cli --db node_modules/@aragon/aragen/aragon-ganache -m "explain tackle mirror kit van hammer degree position ginger unfair soup bonus" -i 15 -l 100000000
+npx aragen devchain
 ```
 
 If you wish to access from code, for example to run ganache-core directly:

scripts/start-ganache

@@ -1,6 +1,10 @@
 #!/bin/bash
 
+cd $(dirname $0)/..
+BASEPATH=$(pwd)
+mnemonic=$(node -p "require(require('path').join(\"${BASEPATH}\", 'src/helpers/ganache-vars')).MNEMONIC")
+
 rm -rf aragon-ganache
 mkdir aragon-ganache
 set -e;
-npx ganache-cli -m "explain tackle mirror kit van hammer degree position ginger unfair soup bonus" -i 15 -l 100000000 --db aragon-ganache
+npx ganache-cli -m "${mnemonic}" -i 15 -l 100000000 --db aragon-ganache

src/cli.js

@@ -0,0 +1,42 @@
+#!/usr/bin/env node
+require('@babel/polyfill')
+const ConsoleReporter = require('./reporters/ConsoleReporter')
+
+// Set up commands
+const cmd = require('yargs').commandDir('./commands')
+
+cmd.alias('h', 'help')
+cmd.alias('v', 'version')
+
+// Configure CLI behavior
+cmd.demandCommand(1, 'You need to specify a command')
+
+// Set global options
+cmd.option('silent', {
+  description: 'Silence output to terminal',
+  default: false,
+})
+
+cmd.option('debug', {
+  description: 'Show more output to terminal',
+  default: false,
+  coerce: debug => {
+    if (debug || process.env.DEBUG) {
+      global.DEBUG_MODE = true
+      return true
+    }
+  },
+})
+
+// Run
+const reporter = new ConsoleReporter()
+// reporter.debug(JSON.stringify(process.argv))
+cmd
+  .fail((msg, err, yargs) => {
+    if (!err) yargs.showHelp()
+    reporter.error(msg || err.message || 'An error occurred')
+    reporter.debug(err && err.stack)
+  })
+  .parse(process.argv.slice(2), {
+    reporter,
+  })

src/commands/devchain.js

@@ -0,0 +1,180 @@
+const TaskList = require('listr')
+const ncp = require('ncp')
+const ganache = require('ganache-core')
+const Web3 = require('web3')
+const { promisify } = require('util')
+const os = require('os')
+const path = require('path')
+const rimraf = require('rimraf')
+const mkdirp = require('mkdirp')
+const chalk = require('chalk')
+const fs = require('fs')
+const listrOpts = require('../helpers/listr-options')
+const pjson = require('../../package.json')
+
+const { BLOCK_GAS_LIMIT, MNEMONIC } = require('../helpers/ganache-vars')
+
+exports.command = 'devchain'
+exports.describe =
+  'Open a test chain for development and pass arguments to ganache'
+exports.builder = {
+  port: {
+    description: 'The port to run the local chain on',
+    default: 8545,
+  },
+  reset: {
+    type: 'boolean',
+    default: false,
+    description: 'Reset devchain to snapshot',
+  },
+  accounts: {
+    default: 2,
+    description: 'Number of accounts to print',
+  },
+  verbose: {
+    default: false,
+    type: 'boolean',
+    description: 'Enable verbose devchain output',
+  },
+}
+
+exports.task = async function({
+  port = 8545,
+  verbose = false,
+  reset = false,
+  showAccounts = 2,
+  reporter,
+  silent,
+  debug,
+}) {
+  const removeDir = promisify(rimraf)
+  const mkDir = promisify(mkdirp)
+  const recursiveCopy = promisify(ncp)
+
+  const snapshotPath = path.join(
+    os.homedir(),
+    `.aragon/ganache-db-${pjson.version}`
+  )
+
+  const tasks = new TaskList(
+    [
+      {
+        title: 'Setting up a new chain from latest Aragon snapshot',
+        task: async (ctx, task) => {
+          await removeDir(snapshotPath)
+          await mkDir(path.resolve(snapshotPath, '..'))
+          const snapshot = path.join(__dirname, '../../aragon-ganache')
+          await recursiveCopy(snapshot, snapshotPath)
+        },
+        enabled: () => !fs.existsSync(snapshotPath) || reset,
+      },
+      {
+        title: 'Starting a local chain from snapshot',
+        task: async (ctx, task) => {
+          const server = ganache.server({
+            // Start on a different networkID every time to avoid Metamask nonce caching issue:
+            // https://github.com/aragon/aragon-cli/issues/156
+            network_id: parseInt(1e8 * Math.random()),
+            gasLimit: BLOCK_GAS_LIMIT,
+            mnemonic: MNEMONIC,
+            db_path: snapshotPath,
+            logger: verbose ? { log: reporter.info.bind(reporter) } : undefined,
+          })
+          const listen = () =>
+            new Promise((resolve, reject) => {
+              server.listen(port, err => {
+                if (err) return reject(err)
+
+                task.title = `Local chain started at port ${port}`
+                resolve()
+              })
+            })
+          await listen()
+
+          ctx.web3 = new Web3(
+            new Web3.providers.WebsocketProvider(`ws://localhost:${port}`)
+          )
+          const accounts = await ctx.web3.eth.getAccounts()
+
+          ctx.accounts = accounts.slice(0, parseInt(showAccounts))
+          ctx.mnemonic = MNEMONIC
+
+          const ganacheAccounts = server.provider.manager.state.accounts
+          ctx.privateKeys = ctx.accounts.map(address => ({
+            key: ganacheAccounts[address.toLowerCase()].secretKey.toString(
+              'hex'
+            ),
+            address,
+          }))
+        },
+      },
+    ],
+    listrOpts(silent, debug)
+  )
+
+  return tasks
+}
+
+exports.printAccounts = (reporter, privateKeys) => {
+  const firstAccountComment =
+    '(this account is used to deploy DAOs, it has more permissions)'
+
+  const formattedAccounts = privateKeys.map(
+    ({ address, key }, i) =>
+      chalk.bold(
+        `Address #${i + 1}:  ${address} ${
+          i === 0 ? firstAccountComment : ''
+        }\nPrivate key: `
+      ) + key
+  )
+
+  reporter.info(`Here are some Ethereum accounts you can use.
+  The first one will be used for all the actions the CLI performs.
+  You can use your favorite Ethereum provider or wallet to import their private keys.
+  \n${formattedAccounts.join('\n')}`)
+}
+
+exports.printMnemonic = (reporter, mnemonic) => {
+  reporter.info(
+    `The accounts were generated from the following mnemonic phrase:\n${mnemonic}\n`
+  )
+}
+
+exports.printResetNotice = (reporter, reset) => {
+  if (reset) {
+    reporter.warning(`The devchain was reset, some steps need to be done to prevent issues:
+    - Reset the application cache in Aragon Core by going to Settings > Troubleshooting.
+    - If using Metamask: switch to a different network, and then switch back to the 'Private Network' (this will clear the nonce cache and prevent errors when sending transactions)  
+  `)
+  }
+}
+
+exports.handler = async ({
+  reporter,
+  port,
+  reset,
+  verbose,
+  accounts,
+  silent,
+  debug,
+}) => {
+  const task = await exports.task({
+    port,
+    reset,
+    verbose,
+    reporter,
+    showAccounts: accounts,
+    silent,
+    debug,
+  })
+  const { privateKeys, mnemonic } = await task.run()
+  exports.printAccounts(reporter, privateKeys)
+  exports.printMnemonic(reporter, mnemonic)
+  exports.printResetNotice(reporter, reset)
+
+  reporter.info(
+    `ENS instance deployed at 0x5f6f7e8cc7346a11ca2def8f827b7a0b612c56a1\n`
+  )
+
+  reporter.info(`Devchain running: ${chalk.bold('http://localhost:' + port)}.`)
+}

src/helpers/ganache-vars.js

@@ -0,0 +1,4 @@
+module.exports = {
+  BLOCK_GAS_LIMIT: 50e6,
+  MNEMONIC: 'explain tackle mirror kit van hammer degree position ginger unfair soup bonus'
+}

src/helpers/listr-options.js

@@ -0,0 +1,19 @@
+const ListrRenderer = require('../reporters/ListrRenderer')
+
+/**
+ * https://github.com/SamVerschueren/listr#options
+ * https://github.com/SamVerschueren/listr-update-renderer#options
+ * https://github.com/SamVerschueren/listr-verbose-renderer#options
+ *
+ * @param {boolean} silent Option silent
+ * @param {boolean} debug Option debug
+ * @returns {Object} listr options object
+ */
+function listrOpts(silent, debug) {
+  return {
+    renderer: ListrRenderer(silent, debug),
+    dateFormat: false,
+  }
+}
+
+module.exports = listrOpts

src/reporters/ConsoleReporter.js

@@ -0,0 +1,49 @@
+const chalk = require('chalk')
+const figures = require('figures')
+
+module.exports = class ConsoleReporter {
+  constructor(opts = { silent: false }) {
+    this.silent = opts.silent
+  }
+
+  message(category = 'info', message) {
+    if (this.silent) return
+
+    const color = {
+      debug: 'magenta',
+      info: 'blue',
+      warning: 'yellow',
+      error: 'red',
+      success: 'green',
+    }[category]
+    const symbol = {
+      debug: figures.pointer,
+      info: figures.info,
+      warning: figures.warning,
+      error: figures.cross,
+      success: figures.tick,
+    }[category]
+    const icon = chalk[color](symbol)
+    console.log(` ${icon} ${message}`)
+  }
+
+  debug(message) {
+    if (global.DEBUG_MODE) this.message('debug', message)
+  }
+
+  info(message) {
+    this.message('info', message)
+  }
+
+  warning(message) {
+    this.message('warning', message)
+  }
+
+  error(message) {
+    this.message('error', message)
+  }
+
+  success(message) {
+    this.message('success', message)
+  }
+}

src/reporters/ListrRenderer.js

@@ -0,0 +1,9 @@
+const VerboseRenderer = require('listr-verbose-renderer')
+const SilentRenderer = require('listr-silent-renderer')
+const UpdateRenderer = require('listr-update-renderer')
+
+module.exports = function(silent, debug) {
+  if (debug) return VerboseRenderer
+  if (silent) return SilentRenderer
+  return UpdateRenderer
+}