a458e81f8d
* 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
99 lines
4.2 KiB
TypeScript
99 lines
4.2 KiB
TypeScript
import { artifacts, ERC20BridgeSamplerContract } from '@0x/contracts-erc20-bridge-sampler';
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import { blockchainTests, constants, describe, expect, toBaseUnitAmount } from '@0x/contracts-test-utils';
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import { BigNumber } from '@0x/utils';
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export const VB = '0x6cc5f688a315f3dc28a7781717a9a798a59fda7b';
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blockchainTests.configure({
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fork: {
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unlockedAccounts: [VB],
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},
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});
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blockchainTests.fork.resets('Mainnet Sampler Tests', env => {
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let testContract: ERC20BridgeSamplerContract;
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before(async () => {
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testContract = await ERC20BridgeSamplerContract.deployFrom0xArtifactAsync(
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artifacts.ERC20BridgeSampler,
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env.provider,
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{ ...env.txDefaults, from: VB },
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{},
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constants.NULL_ADDRESS,
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);
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});
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describe('Curve', () => {
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const CURVE_ADDRESS = '0xa2b47e3d5c44877cca798226b7b8118f9bfb7a56';
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const DAI_TOKEN_INDEX = new BigNumber(0);
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const USDC_TOKEN_INDEX = new BigNumber(1);
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describe('sampleSellsFromCurve()', () => {
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it('samples sells from Curve DAI->USDC', async () => {
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const samples = await testContract
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.sampleSellsFromCurve(CURVE_ADDRESS, DAI_TOKEN_INDEX, USDC_TOKEN_INDEX, [toBaseUnitAmount(1)])
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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it('samples sells from Curve USDC->DAI', async () => {
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const samples = await testContract
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.sampleSellsFromCurve(CURVE_ADDRESS, USDC_TOKEN_INDEX, DAI_TOKEN_INDEX, [toBaseUnitAmount(1, 6)])
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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});
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describe('sampleBuysFromCurve()', () => {
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it('samples buys from Curve DAI->USDC', async () => {
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// From DAI to USDC
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// I want to buy 1 USDC
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const samples = await testContract
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.sampleBuysFromCurve(CURVE_ADDRESS, DAI_TOKEN_INDEX, USDC_TOKEN_INDEX, [toBaseUnitAmount(1, 6)])
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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it('samples buys from Curve USDC->DAI', async () => {
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// From USDC to DAI
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// I want to buy 1 DAI
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const samples = await testContract
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.sampleBuysFromCurve(CURVE_ADDRESS, USDC_TOKEN_INDEX, DAI_TOKEN_INDEX, [toBaseUnitAmount(1)])
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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});
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});
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describe('Kyber', () => {
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const FAKE_BUY_OPTS = {
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targetSlippageBps: new BigNumber(5),
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maxIterations: new BigNumber(5),
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};
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const DAI_ADDRESS = '0x6B175474E89094C44Da98b954EedeAC495271d0F';
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const WETH_ADDRESS = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
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describe('sampleBuysFromKyber()', () => {
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it('samples buys from Kyber WETH->DAI', async () => {
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// From ETH to DAI
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// I want to buy 1 DAI
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const samples = await testContract
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.sampleBuysFromKyberNetwork(WETH_ADDRESS, DAI_ADDRESS, [toBaseUnitAmount(1)], FAKE_BUY_OPTS)
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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it('samples buys from Kyber DAI->WETH', async () => {
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// From USDC to DAI
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// I want to buy 1 WETH
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const samples = await testContract
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.sampleBuysFromKyberNetwork(DAI_ADDRESS, WETH_ADDRESS, [toBaseUnitAmount(1)], FAKE_BUY_OPTS)
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.callAsync();
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expect(samples.length).to.be.bignumber.greaterThan(0);
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expect(samples[0]).to.be.bignumber.greaterThan(0);
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});
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});
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});
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});
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