Ethereum Programming 2 transfer dapp and dai

truffle migrate --reset

truffle console 

tokenFarm = await TokenFarm.deployed()

truffle(development)> tokenFarm.address

'0x689cB867e929Cdd1c69b78B27fb11DAb86B6393e'

truffle(development)> name = tokenFarm.name()

'Dapp Token Farm'

truffle(development)> mDai = await DaiToken.deployed()

accounts = await web3.eth.getAccounts()

truffle(development)> accounts[1]

'0xBC7000c582225B1086020043f35a8bcE1DA910F6'

truffle(development)> balance = await mDai.balanceOf(accounts[1])

undefined

truffle(development)> balance

BN {

  negative: 0,

  words: [ 51380224, 30903128, 22204, <1 empty item> ],

  length: 3,

  red: null

}

truffle(development)> balance.toString()

'100000000000000000000'

truffle(development)> formattedBalance = web3.utils.fromWei(balance)

'100'

truffle(development)> web3.utils.toWei('1.5', 'Ether')

'1500000000000000000'

---------------------

//migrations/2_deploy_contract.js

const DappToken = artifacts.require('DappToken')

const DaiToken = artifacts.require('DaiToken')

const TokenFarm = artifacts.require('TokenFarm')

module.exports = async function (deployer, network, accounts) {

  // Deploy Mock DAI Token

  await deployer.deploy(DaiToken)

  const daiToken = await DaiToken.deployed()

  // Deploy Dapp Token

  await deployer.deploy(DappToken)

  const dappToken = await DappToken.deployed()

  // Deploy TokenFarm

  await deployer.deploy(TokenFarm, dappToken.address, daiToken.address)

  const tokenFarm = await TokenFarm.deployed()

  // Transfer all tokens to TokenFarm (1 million)

  await dappToken.transfer(tokenFarm.address, '1000000000000000000000000')

  // Transfer 100 Mock DAI tokens to investor

  await daiToken.transfer(accounts[1], '100000000000000000000')

}

--------------------------

//src/componenets/contracts

pragma solidity ^0.5.0;

import "./DappToken.sol";

import "./DaiToken.sol";

contract TokenFarm{

    string public name = "Dapp Token Farm";

    DappToken public dappToken;

    DaiToken public daiToken;

    

    constructor(DappToken _dappToken, DaiToken _daiToken) public{

        dappToken = _dappToken;

        daiToken = _daiToken;

    }

}

reference:

https://www.youtube.com/watch?v=XLahq4qyors