72 lines
2.9 KiB
TypeScript
72 lines
2.9 KiB
TypeScript
import path from 'path'
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import chai from 'chai'
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import { solidity, createMockProvider, getWallets, createFixtureLoader } from 'ethereum-waffle'
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import { Contract } from 'ethers'
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import { bigNumberify } from 'ethers/utils'
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import { getCreate2Address } from './shared/utilities'
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import { factoryFixture, FactoryFixture } from './shared/fixtures'
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import UniswapV2 from '../build/UniswapV2.json'
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chai.use(solidity)
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const { expect } = chai
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const TEST_ADDRESSES = {
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token0: '0x1000000000000000000000000000000000000000',
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token1: '0x2000000000000000000000000000000000000000'
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}
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describe('UniswapV2Factory', () => {
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const provider = createMockProvider(path.join(__dirname, '..', 'waffle.json'))
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const [wallet] = getWallets(provider)
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const loadFixture = createFixtureLoader(provider, [wallet])
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let bytecode: string
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let factory: Contract
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beforeEach(async () => {
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const { bytecode: _bytecode, factory: _factory } = (await loadFixture(factoryFixture as any)) as FactoryFixture
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bytecode = _bytecode
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factory = _factory
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})
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it('exchangeBytecode', async () => {
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expect(await factory.exchangeBytecode()).to.eq(bytecode)
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expect(await factory.getExchangesLength()).to.eq(0)
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})
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async function createExchange(tokens: string[]) {
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const create2Address = getCreate2Address(factory.address, TEST_ADDRESSES.token0, TEST_ADDRESSES.token1, bytecode)
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await expect(factory.createExchange(...tokens))
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.to.emit(factory, 'ExchangeCreated')
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.withArgs(TEST_ADDRESSES.token0, TEST_ADDRESSES.token1, create2Address, bigNumberify(1))
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await expect(factory.createExchange(...tokens)).to.be.revertedWith('UniswapV2Factory: EXCHANGE_EXISTS')
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await expect(factory.createExchange(...tokens.slice().reverse())).to.be.revertedWith(
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'UniswapV2Factory: EXCHANGE_EXISTS'
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)
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expect(await factory.getExchangesLength()).to.eq(1)
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expect(await factory.getTokens(create2Address)).to.deep.eq([TEST_ADDRESSES.token0, TEST_ADDRESSES.token1])
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expect(await factory.getExchange(...tokens)).to.eq(create2Address)
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expect(await factory.getExchange(...tokens.slice().reverse())).to.eq(create2Address)
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expect(await factory.getOtherTokens(tokens[0])).to.deep.eq([tokens[1]])
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expect(await factory.getOtherTokens(tokens[1])).to.deep.eq([tokens[0]])
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expect(await factory.getOtherTokensLength(tokens[0])).to.deep.eq(bigNumberify(1))
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expect(await factory.getOtherTokensLength(tokens[1])).to.deep.eq(bigNumberify(1))
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const exchange = new Contract(create2Address, JSON.stringify(UniswapV2.abi), provider)
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expect(await exchange.factory()).to.eq(factory.address)
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expect(await exchange.token0()).to.eq(TEST_ADDRESSES.token0)
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expect(await exchange.token1()).to.eq(TEST_ADDRESSES.token1)
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}
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it('createExchange', async () => {
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await createExchange([TEST_ADDRESSES.token0, TEST_ADDRESSES.token1])
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})
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it('createExchange:reverse', async () => {
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await createExchange([TEST_ADDRESSES.token1, TEST_ADDRESSES.token0])
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})
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})
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