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ERC20BridgeSampler: Additional Buy support (#2551)

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* ERC20BridgeSampler: Sample Curve Buy

* Fake Buy Kyber/PLP

* Deploy mainnet

* Add Kyber rates for buy tests

* CHANGELOGs

* Provide maxIterations and targetSlippage as options

* Cleanup ERC20BridgeSampler for re-use

* Redeploy Mainnet Kovan

* Feedback fixes

* Handle OOG/revert 0s

* Redeploy Mainnet refactor
This commit is contained in:
Jacob Evans
2020-04-21 13:26:12 +10:00
committed by GitHub
parent 110e1afa8e
commit a458e81f8d
22 changed files with 1190 additions and 164 deletions
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94
contracts/integrations/test/bridge_sampler/bridge_sampler_mainnet_test.ts
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@@ -2,37 +2,97 @@ import { artifacts, ERC20BridgeSamplerContract } from '@0x/contracts-erc20-bridg
import { blockchainTests, constants, describe, expect, toBaseUnitAmount } from '@0x/contracts-test-utils';
import { BigNumber } from '@0x/utils';
export const VB = '0x6cc5f688a315f3dc28a7781717a9a798a59fda7b';
blockchainTests.configure({
fork: {
unlockedAccounts: [VB],
},
});
blockchainTests.fork.resets('Mainnet Sampler Tests', env => {
let testContract: ERC20BridgeSamplerContract;
before(async () => {
testContract = await ERC20BridgeSamplerContract.deployFrom0xArtifactAsync(
artifacts.ERC20BridgeSampler,
env.provider,
{ ...env.txDefaults, from: '0x6cc5f688a315f3dc28a7781717a9a798a59fda7b' },
{ ...env.txDefaults, from: VB },
{},
constants.NULL_ADDRESS,
);
});
describe('Curve', () => {
const CURVE_ADDRESS = '0xa2b47e3d5c44877cca798226b7b8118f9bfb7a56';
const DAI_TOKEN_INDEX = new BigNumber(0);
const USDC_TOKEN_INDEX = new BigNumber(1);
describe('sampleSellsFromCurve()', () => {
const curveAddress = '0x45f783cce6b7ff23b2ab2d70e416cdb7d6055f51';
const daiTokenIdx = new BigNumber(0);
const usdcTokenIdx = new BigNumber(1);
describe('sampleSellsFromCurve()', () => {
it('samples sells from Curve DAI->USDC', async () => {
const samples = await testContract
.sampleSellsFromCurve(CURVE_ADDRESS, DAI_TOKEN_INDEX, USDC_TOKEN_INDEX, [toBaseUnitAmount(1)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
it('samples sells from Curve DAI->USDC', async () => {
const samples = await testContract
.sampleSellsFromCurve(curveAddress, daiTokenIdx, usdcTokenIdx, [toBaseUnitAmount(1)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
it('samples sells from Curve USDC->DAI', async () => {
const samples = await testContract
.sampleSellsFromCurve(CURVE_ADDRESS, USDC_TOKEN_INDEX, DAI_TOKEN_INDEX, [toBaseUnitAmount(1, 6)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
});
it('samples sells from Curve USDC->DAI', async () => {
const samples = await testContract
.sampleSellsFromCurve(curveAddress, usdcTokenIdx, daiTokenIdx, [toBaseUnitAmount(1, 6)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
describe('sampleBuysFromCurve()', () => {
it('samples buys from Curve DAI->USDC', async () => {
// From DAI to USDC
// I want to buy 1 USDC
const samples = await testContract
.sampleBuysFromCurve(CURVE_ADDRESS, DAI_TOKEN_INDEX, USDC_TOKEN_INDEX, [toBaseUnitAmount(1, 6)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
it('samples buys from Curve USDC->DAI', async () => {
// From USDC to DAI
// I want to buy 1 DAI
const samples = await testContract
.sampleBuysFromCurve(CURVE_ADDRESS, USDC_TOKEN_INDEX, DAI_TOKEN_INDEX, [toBaseUnitAmount(1)])
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
});
});
describe('Kyber', () => {
const FAKE_BUY_OPTS = {
targetSlippageBps: new BigNumber(5),
maxIterations: new BigNumber(5),
};
const DAI_ADDRESS = '0x6B175474E89094C44Da98b954EedeAC495271d0F';
const WETH_ADDRESS = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
describe('sampleBuysFromKyber()', () => {
it('samples buys from Kyber WETH->DAI', async () => {
// From ETH to DAI
// I want to buy 1 DAI
const samples = await testContract
.sampleBuysFromKyberNetwork(WETH_ADDRESS, DAI_ADDRESS, [toBaseUnitAmount(1)], FAKE_BUY_OPTS)
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
it('samples buys from Kyber DAI->WETH', async () => {
// From USDC to DAI
// I want to buy 1 WETH
const samples = await testContract
.sampleBuysFromKyberNetwork(DAI_ADDRESS, WETH_ADDRESS, [toBaseUnitAmount(1)], FAKE_BUY_OPTS)
.callAsync();
expect(samples.length).to.be.bignumber.greaterThan(0);
expect(samples[0]).to.be.bignumber.greaterThan(0);
});
});
});
});