git.delta.rocks / unique-network / refs/commits / fea73f40565c

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {IKeyringPair} from '@polkadot/types/types';1819import {itEth, expect, usingEthPlaygrounds, EthUniqueHelper} from './util/playgrounds';2021describe('EVM payable contracts', () => {22  let donor: IKeyringPair;2324  before(async function() {25    await usingEthPlaygrounds(async (_, privateKey) => {26      donor = privateKey('//Alice');27    });28  });2930  itEth('Evm contract can receive wei from eth account', async ({helper}) => {31    const deployer = await helper.eth.createAccountWithBalance(donor);32    const contract = await helper.eth.deployCollectorContract(deployer);3334    const web3 = helper.getWeb3();3536    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: '10000', gas: helper.eth.DEFAULT_GAS});3738    expect(await contract.methods.getCollected().call()).to.be.equal('10000');39  });4041  itEth('Evm contract can receive wei from substrate account', async ({helper}) => {42    const deployer = await helper.eth.createAccountWithBalance(donor);43    const contract = await helper.eth.deployCollectorContract(deployer);44    const [alice] = await helper.arrange.createAccounts([10n], donor);4546    const weiCount = '10000';4748    // Transaction fee/value will be payed from subToEth(sender) evm balance,49    // which is backed by evmToAddress(subToEth(sender)) substrate balance50    await helper.eth.transferBalanceFromSubstrate(alice, helper.address.substrateToEth(alice.address), 5n);515253    await helper.eth.sendEVM(alice, contract.options.address, contract.methods.giveMoney().encodeABI(), weiCount);5455    expect(await contract.methods.getCollected().call()).to.be.equal(weiCount);56  });5758  // We can't handle sending balance to backing storage of evm balance, because evmToAddress operation is irreversible59  itEth('Wei sent directly to backing storage of evm contract balance is unaccounted', async({helper}) => {60    const deployer = await helper.eth.createAccountWithBalance(donor);61    const contract = await helper.eth.deployCollectorContract(deployer);62    const [alice] = await helper.arrange.createAccounts([10n], donor);6364    const weiCount = 10_000n;6566    await helper.eth.transferBalanceFromSubstrate(alice, contract.options.address, weiCount, false);6768    expect(await contract.methods.getUnaccounted().call()).to.be.equal(weiCount.toString());69  });7071  itEth('Balance can be retrieved from evm contract', async({helper, privateKey}) => {72    const FEE_BALANCE = 10n * helper.balance.getOneTokenNominal();73    const CONTRACT_BALANCE = 1n * helper.balance.getOneTokenNominal();7475    const deployer = await helper.eth.createAccountWithBalance(donor);76    const contract = await helper.eth.deployCollectorContract(deployer);77    const [alice] = await helper.arrange.createAccounts([20n], donor);7879    const web3 = helper.getWeb3();8081    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), gas: helper.eth.DEFAULT_GAS});8283    const receiver = privateKey(`//Receiver${Date.now()}`);8485    // First receive balance on eth balance of bob86    {87      const ethReceiver = helper.address.substrateToEth(receiver.address);88      expect(await web3.eth.getBalance(ethReceiver)).to.be.equal('0');89      await contract.methods.withdraw(ethReceiver).send({from: deployer});90      expect(await web3.eth.getBalance(ethReceiver)).to.be.equal(CONTRACT_BALANCE.toString());91    }9293    // Some balance is required to pay fee for evm.withdraw call94    await helper.balance.transferToSubstrate(alice, receiver.address, FEE_BALANCE);95    // await transferBalanceExpectSuccess(api, alice, receiver.address, FEE_BALANCE.toString());9697    // Withdraw balance from eth to substrate98    {99      const initialReceiverBalance = await helper.balance.getSubstrate(receiver.address);100      await helper.executeExtrinsic(receiver, 'api.tx.evm.withdraw', [helper.address.substrateToEth(receiver.address), CONTRACT_BALANCE.toString()], true);101      const finalReceiverBalance = await helper.balance.getSubstrate(receiver.address);102103      expect(finalReceiverBalance > initialReceiverBalance).to.be.true;104    }105  });106});107108describe('EVM transaction fees', () => {109  let donor: IKeyringPair;110111  before(async function() {112    await usingEthPlaygrounds(async (_, privateKey) => {113      donor = privateKey('//Alice');114    });115  });116117  itEth('Fee is withdrawn from the user', async({helper}) => {118    const deployer = await helper.eth.createAccountWithBalance(donor);119    const caller = await helper.eth.createAccountWithBalance(donor);120    const contract = await helper.eth.deployFlipper(deployer);121    122    const initialCallerBalance = await helper.balance.getEthereum(caller);123    await contract.methods.flip().send({from: caller});124    const finalCallerBalance = await helper.balance.getEthereum(caller);125    expect(finalCallerBalance < initialCallerBalance).to.be.true;126  });127128  itEth('Fee for nested calls is withdrawn from the user', async({helper}) => {129    const deployer = await helper.eth.createAccountWithBalance(donor);130    const caller = await helper.eth.createAccountWithBalance(donor);131    const contract = await deployProxyContract(helper, deployer);132    133    const initialCallerBalance = await helper.balance.getEthereum(caller);134    const initialContractBalance = await helper.balance.getEthereum(contract.options.address);135    await contract.methods.flip().send({from: caller});136    const finalCallerBalance = await helper.balance.getEthereum(caller);137    const finalContractBalance = await helper.balance.getEthereum(contract.options.address);138    expect(finalCallerBalance < initialCallerBalance).to.be.true;139    expect(finalContractBalance == initialContractBalance).to.be.true;140  });141  142  itEth('Fee for nested calls to native methods is withdrawn from the user', async({helper}) => {143    const CONTRACT_BALANCE = 3n * helper.balance.getOneTokenNominal();144145    const deployer = await helper.eth.createAccountWithBalance(donor);146    const caller = await helper.eth.createAccountWithBalance(donor);147    const contract = await deployProxyContract(helper, deployer);148    149    const web3 = helper.getWeb3();150    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), gas: helper.eth.DEFAULT_GAS});151152    const collectionAddress = (await contract.methods.createNonfungibleCollection().send({from: caller})).events.CollectionCreated.returnValues.collection;153    const initialCallerBalance = await helper.balance.getEthereum(caller);154    const initialContractBalance = await helper.balance.getEthereum(contract.options.address);155    await contract.methods.mintNftToken(collectionAddress).send({from: caller});156    const finalCallerBalance = await helper.balance.getEthereum(caller);157    const finalContractBalance = await helper.balance.getEthereum(contract.options.address);158    expect(finalCallerBalance < initialCallerBalance).to.be.true;159    expect(finalContractBalance == initialContractBalance).to.be.true;160  });161  162  itEth('Fee for nested calls to create*Collection methods is withdrawn from the user and from the contract', async({helper}) => {163    const CONTRACT_BALANCE = 3n * helper.balance.getOneTokenNominal();164165    const deployer = await helper.eth.createAccountWithBalance(donor);166    const caller = await helper.eth.createAccountWithBalance(donor);167    const contract = await deployProxyContract(helper, deployer);168    169    const web3 = helper.getWeb3();170    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), gas: helper.eth.DEFAULT_GAS});171172    const initialCallerBalance = await helper.balance.getEthereum(caller);173    const initialContractBalance = await helper.balance.getEthereum(contract.options.address);174    await contract.methods.createNonfungibleCollection().send({from: caller});175    const finalCallerBalance = await helper.balance.getEthereum(caller);176    const finalContractBalance = await helper.balance.getEthereum(contract.options.address);177    expect(finalCallerBalance < initialCallerBalance).to.be.true;178    expect(finalContractBalance < initialContractBalance).to.be.true;179  });180181  async function deployProxyContract(helper: EthUniqueHelper, deployer: string) {182    return await helper.ethContract.deployByCode(183      deployer,184      'ProxyContract',185      `186      // SPDX-License-Identifier: UNLICENSED187      pragma solidity ^0.8.6;188189      import {CollectionHelpers} from "../api/CollectionHelpers.sol";190      import {UniqueNFT} from "../api/UniqueNFT.sol";191192      contract ProxyContract {193        bool value = false;194        address flipper;195196        event CollectionCreated(address collection);197        event TokenMinted(uint256 tokenId);198199        receive() external payable {}200201        constructor() {202          flipper = address(new Flipper());203        }204205        function flip() public {206          value = !value;207          Flipper(flipper).flip();208        }209210        function createNonfungibleCollection() public {211          address collectionHelpers = 0x6C4E9fE1AE37a41E93CEE429e8E1881aBdcbb54F;212		      address nftCollection = CollectionHelpers(collectionHelpers).createNonfungibleCollection("A", "B", "C");213          emit CollectionCreated(nftCollection);214        }215216        function mintNftToken(address collectionAddress) public {217          UniqueNFT collection = UniqueNFT(collectionAddress);218          uint256 tokenId = collection.nextTokenId();219          collection.mint(msg.sender, tokenId);220          emit TokenMinted(tokenId);221        }222223        function getValue() public view returns (bool) {224          return Flipper(flipper).getValue();225        }226      }227228      contract Flipper {229        bool value = false;230        function flip() public {231          value = !value;232        }233        function getValue() public view returns (bool) {234          return value;235        }236      }237      `,238      [239        {240          solPath: 'api/CollectionHelpers.sol',241          fsPath: `${__dirname}/api/CollectionHelpers.sol`,242        },243        {244          solPath: 'api/UniqueNFT.sol',245          fsPath: `${__dirname}/api/UniqueNFT.sol`,246        },247      ],248    );249  }250});