@gooddollar/goodcontracts/stakingModel/scripts/fake_interest.js

GoodDollar Contracts

const fse = require("fs-extra");
const DAIMock = artifacts.require("./DAIMock.sol");
const cDAIMock = artifacts.require("./cDAIMock.sol");
const StakingContract = artifacts.require("./SimpleDAIStaking.sol");

const getNetworkName = () => {
  const argslist = process.argv;
  let found = false;
  for (let i in argslist) {
    const item = argslist[i];
    if (found) return item;
    if (item && item.indexOf("network") >= 0) found = true;
  }
  return;
};

/**
 * helper script to simulate interest that can be collected from
 * the staking contract
 */
const simulate = async function() {
  const network = getNetworkName();
  const accounts = await web3.eth.getAccounts();
  const staking_file = await fse.readFile(
    "../stakingModel/releases/deployment.json",
    "utf8"
  );
  const staking_deployment = await JSON.parse(staking_file);
  console.log({ staking_deployment, network });
  if (network.indexOf("mainnet") >= 0 || network === "develop") {
    let staking_mainnet_addresses = staking_deployment[network];
    const dai = await DAIMock.at(staking_mainnet_addresses.DAI);
    const cDAI = await cDAIMock.at(staking_mainnet_addresses.cDAI);
    const simpleStaking = await StakingContract.at(staking_mainnet_addresses.DAIStaking);

    console.log("minting dai");
    await dai.allocateTo(accounts[0], web3.utils.toWei("100", "ether"));
    console.log("approving...");
    await dai.approve(cDAI.address, web3.utils.toWei("100", "ether"));
    await cDAI.mint(web3.utils.toWei("100", "ether"));
    let ownercDaiBalanceAfter = await cDAI.balanceOf(accounts[0]).then(_ => _.toString());

    await cDAI.transfer(simpleStaking.address, ownercDaiBalanceAfter);
    let stakingBalance = await cDAI
      .balanceOf(simpleStaking.address)
      .then(_ => _.toString());
    console.log({ stakingBalance });
  }
};

module.exports = done => {
  simulate()
    .catch(console.log)
    .then(done);
};