uniswap-interface-uncensored/cypress/e2e/swap/wrap.test.ts

79 lines
3.1 KiB
TypeScript

import { ChainId, CurrencyAmount, WETH9 } from '@uniswap/sdk-core'
import { getBalance, getTestSelector } from '../../utils'
const WETH = WETH9[ChainId.MAINNET]
describe('Swap wrap', () => {
beforeEach(() => {
cy.visit(`/swap?inputCurrency=ETH&outputCurrency=${WETH.address}`).hardhat({ automine: false })
})
it('ETH to wETH is same value (wrapped swaps have no price impact)', () => {
cy.get('#swap-currency-input .token-amount-input').type('0.01').should('have.value', '0.01')
cy.get('#swap-currency-output .token-amount-input').should('have.value', '0.01')
cy.get('#swap-currency-output .token-amount-input').clear().type('0.02').should('have.value', '0.02')
cy.get('#swap-currency-input .token-amount-input').should('have.value', '0.02')
})
it('should be able to wrap ETH', () => {
getBalance(WETH).then((initialBalance) => {
cy.contains('Enter ETH amount')
// Enter amount to wrap
cy.get('#swap-currency-output .token-amount-input').type('1').should('have.value', 1)
cy.get('#swap-currency-input .token-amount-input').should('have.value', 1)
// Submit transaction
cy.contains('Wrap').click()
cy.wait('@eth_estimateGas').wait('@eth_sendRawTransaction').wait('@eth_getTransactionReceipt')
cy.get(getTestSelector('web3-status-connected')).should('contain', '1 Pending')
// Mine transaction
cy.hardhat().then((hardhat) => hardhat.mine())
cy.wait('@eth_getTransactionReceipt')
// Verify transaction
cy.get(getTestSelector('web3-status-connected')).should('not.contain', 'Pending')
cy.get(getTestSelector('popups')).contains('Wrapped')
const finalBalance = initialBalance + 1
cy.get('#swap-currency-output').contains(`Balance: ${finalBalance}`)
getBalance(WETH).should('equal', finalBalance)
})
})
it('should be able to unwrap WETH', () => {
cy.hardhat().then(async (hardhat) => {
await hardhat.fund(hardhat.wallet, CurrencyAmount.fromRawAmount(WETH, 1e18))
await hardhat.mine()
})
getBalance(WETH).then((initialBalance) => {
// Swap input/output to unwrap WETH
cy.get(getTestSelector('swap-currency-button')).click()
cy.contains('Enter WETH amount')
// Enter the amount to unwrap
cy.get('#swap-currency-output .token-amount-input').type('1').should('have.value', 1)
cy.get('#swap-currency-input .token-amount-input').should('have.value', 1)
// Submit transaction
cy.contains('Unwrap').click()
cy.wait('@eth_estimateGas').wait('@eth_sendRawTransaction').wait('@eth_getTransactionReceipt')
cy.get(getTestSelector('web3-status-connected')).should('contain', '1 Pending')
// Mine transaction
cy.hardhat().then((hardhat) => hardhat.mine())
cy.wait('@eth_getTransactionReceipt')
// Verify transaction
cy.get(getTestSelector('web3-status-connected')).should('not.contain', 'Pending')
cy.get(getTestSelector('popups')).contains('Unwrapped')
const finalBalance = initialBalance - 1
cy.get('#swap-currency-input').contains(`Balance: ${finalBalance}`)
getBalance(WETH).should('equal', finalBalance)
})
})
})