dai-plugin-maker-otc

A dai.js plugin for interacting with the maker OTC contract

First, install:

$ yarn add @makerdao/dai-plugin-maker-otc

Then add it to your configuration:

import Maker from '@makerdao/dai';
import MakerOtc from '@makerdao/dai-plugin-eth2dai-direct';

async function createMakerInstance(amount) {
  const maker = await Maker.create('browser', {
    plugins: [MakerOtc]
  });
  await maker.authenticate();
  await maker.service('exchange').sell('ETH', 'DAI', amount);
}

Usage

const exchange = maker.service('exchange');

• sellDai

Sell a set amount of DAI and receive another token in return.

Parameters

• daiAmount - Amount of DAI to sell.
• tokenSymbol - Token to receive in return.
• minFillAmount - Minimum amount to receive in return.

Returns: promise (resolves to OasisOrder once mined)

// Sell 100.00 DAI for 0.30 WETH or more.
const sellOrder = await exchange.sellDai('100.0', 'WETH', '0.30');

• buyDai

Buy a set amount of DAI and give another token in return.

• Parameters

  • daiAmount - Amount of DAI to buy.
  • tokenSymbol - Token to give in return.
  • minFillAmount - Maximum amount to give in return.

• Returns: promise (resolves to OasisOrder once mined)

// Buy 100.00 DAI for 0.30 WETH or less.
const buyOrder = await exchange.buyDai('100.0', 'WETH', '0.35');

• OasisOrder

OasisOrders have a few methods: fillAmount: amount of token received in exchange fees(): amount of ether spent on gas created(): timestamp of when transaction was mined

const buyOrder = await exchange.buyDai('100.0', 'WETH', '0.35');
const fillAmount = buyOrder.fillAmount();
const gasPaid = buyOrder.fees();
const created = buyOrder.created();