git.delta.rocks / unique-network / refs/commits / 012b227bf9e4

1import {expect} from 'chai';2import privateKey from '../substrate/privateKey';3import {submitTransactionAsync} from '../substrate/substrate-api';4import {createEthAccountWithBalance, deployCollector, GAS_ARGS, itWeb3, subToEth} from './util/helpers';5import {evmToAddress} from '@polkadot/util-crypto';6import {getGenericResult} from '../util/helpers';7import {getBalanceSingle, transferBalanceExpectSuccess} from '../substrate/get-balance';89describe('EVM payable contracts', () => {10  itWeb3('Evm contract can receive wei from eth account', async ({api, web3}) => {11    const deployer = await createEthAccountWithBalance(api, web3);12    const contract = await deployCollector(web3, deployer);1314    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: '10000', ...GAS_ARGS});1516    expect(await contract.methods.getCollected().call()).to.be.equal('10000');17  });1819  itWeb3('Evm contract can receive wei from substrate account', async ({api, web3}) => {20    const deployer = await createEthAccountWithBalance(api, web3);21    const contract = await deployCollector(web3, deployer);22    const alice = privateKey('//Alice');2324    // Transaction fee/value will be payed from subToEth(sender) evm balance,25    // which is backed by evmToAddress(subToEth(sender)) substrate balance26    await transferBalanceExpectSuccess(api, alice, evmToAddress(subToEth(alice.address)), '1000000000000');2728    {29      const tx = api.tx.evm.call(30        subToEth(alice.address),31        contract.options.address,32        contract.methods.giveMoney().encodeABI(),33        '10000',34        GAS_ARGS.gas,35        GAS_ARGS.gasPrice,36        null,37      );38      const events = await submitTransactionAsync(alice, tx);39      const result = getGenericResult(events);40      expect(result.success).to.be.true;41    }4243    expect(await contract.methods.getCollected().call()).to.be.equal('10000');44  });4546  // We can't handle sending balance to backing storage of evm balance, because evmToAddress operation is irreversible47  itWeb3('Wei sent directly to backing storage of evm contract balance is unaccounted', async({api, web3}) => {48    const deployer = await createEthAccountWithBalance(api, web3);49    const contract = await deployCollector(web3, deployer);50    const alice = privateKey('//Alice');5152    await transferBalanceExpectSuccess(api, alice, evmToAddress(contract.options.address), '10000');5354    expect(await contract.methods.getUnaccounted().call()).to.be.equal('10000');55  });5657  itWeb3('Balance can be retrieved from evm contract', async({api, web3}) => {58    const FEE_BALANCE = 10n ** 18n;59    const CONTRACT_BALANCE = 10n ** 14n;6061    const deployer = await createEthAccountWithBalance(api, web3);62    const contract = await deployCollector(web3, deployer);63    const alice = privateKey('//Alice');6465    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), ...GAS_ARGS});6667    const receiver = privateKey(`//Receiver${Date.now()}`);6869    // First receive balance on eth balance of bob70    {71      const ethReceiver = subToEth(receiver.address);72      expect(await web3.eth.getBalance(ethReceiver)).to.be.equal('0');73      await contract.methods.withdraw(ethReceiver).send({from: deployer});74      expect(await web3.eth.getBalance(ethReceiver)).to.be.equal(CONTRACT_BALANCE.toString());75    }7677    // Some balance is required to pay fee for evm.withdraw call78    await transferBalanceExpectSuccess(api, alice, receiver.address, FEE_BALANCE.toString());7980    // Withdraw balance from eth to substrate81    {82      const initialReceiverBalance = await getBalanceSingle(api, receiver.address);83      const tx = api.tx.evm.withdraw(84        subToEth(receiver.address),85        CONTRACT_BALANCE.toString(),86      );87      const events = await submitTransactionAsync(receiver, tx);88      const result = getGenericResult(events);89      expect(result.success).to.be.true;90      const finalReceiverBalance = await getBalanceSingle(api, receiver.address);9192      expect(finalReceiverBalance > initialReceiverBalance).to.be.true;93    }94  });95});