truffle.js

require("chai/register-should");
require('mocha-steps')

const config = {
    networks: {
        mainnet: {
            host: "localhost",
            port: 8545,
            network_id: "1",
        },
        ropsten: {
            host: "localhost",
            port: 8545,
            network_id: "3",
        },
        kovan: {
            host: "localhost",
            port: 8545,
            network_id: "42",
        },
        rinkeby: {
            host: "localhost",
            port: 8545,
            network_id: "4",
        },
        goerli: {
            host: "localhost",
            port: 8545,
            network_id: "5",
        },
        develop: {
            host: "localhost",
            port: 8545,
            network_id: "*",
	},
    },
    mocha: {
        enableTimeouts: false,
        grep: process.env.TEST_GREP,
        reporter: "eth-gas-reporter",
        reporterOptions: {
            currency: "USD",
            excludeContracts: ["Migrations"]
        }
    },
    compilers: {
        solc: {
            version: "0.5.10",
            settings: {
                optimizer: {
                    enabled: true
                }
            }
        }
    }
}

const _ = require('lodash')

try {
    _.merge(config, require('./truffle-local'))
}
catch(e) {
    if(e.code === 'MODULE_NOT_FOUND') {
        // eslint-disable-next-line no-console
        console.log('No local truffle config found. Using all defaults...')
    } else {
        // eslint-disable-next-line no-console
        console.warn('Tried processing local config but got error:', e)
    }
}

module.exports = config