depositSavingsRate.ts

import { getContractsFactory } from '../../../src/index';

const daiToken = getContractsFactory('eth').getContract('StandardERC20').instance('dai');
const dsrManager = getContractsFactory('eth').getContract('DsrManager').instance();

// TODO: Set your own address here -- this is the address who can withdraw DAI from the DSR
const ownerAddress = '0x0000000000000000000000000000000000000000';
// TODO: Set the desired amount of DAI to deposit in base units, so 1e18 is 1 DAI
const depositAmount = 1e18;

/*
 * ============================================ //
 * ============================================ //
 */

// First We need to approve ownership of some of our DAI to the DSR Manager

let { data, amount } = daiToken.methods()
  .approve.call({
    _spender: dsrManager.address,
    _value: depositAmount.toString(10),
  });

console.log(`\nTo approve ${depositAmount} DAI base units to the DSR Manager, send:`);
console.log(`Data: ${data}`);
console.log(`Amount: ${amount} ETH`);
console.log(`To: ${daiToken.address}`);


/*
 * ============================================ //
 * ============================================ //
 */


// Now we can actually deposit it and get the DSR

({ data, amount } = dsrManager.methods()
  .join.call({
    dst: ownerAddress,
    wad: depositAmount.toString(10),
  }));

console.log(`\nTo deposit ${depositAmount} DAI base units into the DSR`);
console.log(`Data: ${data}`);
console.log(`Amount: ${amount} ETH`);
console.log(`To: ${dsrManager.address}`);