dx-mgn-pool/scripts/inject_network_info.js

Smart contracts and migration scripts for the MGN-pool for trading at the dutch-Exchange

const fs = require('fs')
const path = require('path')
const _ = require('lodash')

const dir = path.join('build', 'contracts')
const networkFile = process.env.NETWORKS_FILE || 'networks.json'
const contractNetworksMap = JSON.parse(fs.readFileSync(networkFile))

_.toPairs(contractNetworksMap)
  .map(([name, networks]) => [path.join(dir, name + '.json'), networks])
  .filter(([file, _networks]) => {
    if (!fs.existsSync(file)) { throw new Error(`missing build artifact ${file}; make sure contracts are compiled`) }
    return true
  })
  .forEach(([file, networks]) => {
    const artifactData = JSON.parse(fs.readFileSync(file))
    _.merge(artifactData.networks, networks)
    fs.writeFileSync(file, JSON.stringify(artifactData, null, 2))
  })