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