d48b5f5a44
turn on compiler optimization don't hardcode 18 decimals add create2 name return values in factory
71 lines
2.4 KiB
TypeScript
71 lines
2.4 KiB
TypeScript
import chai from 'chai'
|
|
import { solidity, createMockProvider, getWallets, deployContract } from 'ethereum-waffle'
|
|
import { Contract } from 'ethers'
|
|
import { BigNumber, bigNumberify } from 'ethers/utils'
|
|
|
|
import ERC20 from '../build/ERC20.json'
|
|
|
|
chai.use(solidity)
|
|
const { expect } = chai
|
|
|
|
const decimalize = (n: number): BigNumber => bigNumberify(n).mul(bigNumberify(10).pow(18))
|
|
|
|
const name = 'Mock ERC20'
|
|
const symbol = 'MOCK'
|
|
const decimals = 18
|
|
const totalSupply = decimalize(1000)
|
|
|
|
describe('ERC20', () => {
|
|
const provider = createMockProvider()
|
|
const [wallet, walletTo] = getWallets(provider)
|
|
let token: Contract
|
|
|
|
beforeEach(async () => {
|
|
token = await deployContract(wallet, ERC20, [name, symbol, decimals, totalSupply])
|
|
})
|
|
|
|
it('name, symbol, decimals, totalSupply, balanceOf', async () => {
|
|
expect(await token.name()).to.eq(name)
|
|
expect(await token.symbol()).to.eq(symbol)
|
|
expect(await token.decimals()).to.eq(18)
|
|
expect(await token.totalSupply()).to.eq(totalSupply)
|
|
expect(await token.balanceOf(wallet.address)).to.eq(totalSupply)
|
|
})
|
|
|
|
it('transfer', async () => {
|
|
const transferAmount = decimalize(10)
|
|
|
|
await expect(token.transfer(walletTo.address, transferAmount))
|
|
.to.emit(token, 'Transfer')
|
|
.withArgs(wallet.address, walletTo.address, transferAmount)
|
|
|
|
expect(await token.balanceOf(wallet.address)).to.eq(totalSupply.sub(transferAmount))
|
|
expect(await token.balanceOf(walletTo.address)).to.eq(transferAmount)
|
|
})
|
|
|
|
it('transferFrom', async () => {
|
|
const transferAmount = decimalize(10)
|
|
|
|
await expect(token.approve(walletTo.address, transferAmount))
|
|
.to.emit(token, 'Approval')
|
|
.withArgs(wallet.address, walletTo.address, transferAmount)
|
|
|
|
await expect(token.connect(walletTo).transferFrom(wallet.address, walletTo.address, transferAmount))
|
|
.to.emit(token, 'Transfer')
|
|
.withArgs(wallet.address, walletTo.address, transferAmount)
|
|
|
|
expect(await token.balanceOf(wallet.address)).to.eq(totalSupply.sub(transferAmount))
|
|
expect(await token.balanceOf(walletTo.address)).to.eq(transferAmount)
|
|
})
|
|
|
|
it('transfer fails', async () => {
|
|
await expect(token.transfer(walletTo.address, totalSupply.add(1))).to.be.revertedWith(
|
|
'SafeMath: subtraction overflow'
|
|
)
|
|
|
|
await expect(token.connect(walletTo).transfer(walletTo.address, 1)).to.be.revertedWith(
|
|
'SafeMath: subtraction overflow'
|
|
)
|
|
})
|
|
})
|