12345678import {readFile} from 'fs/promises';910import Web3 from 'web3';11import {WebsocketProvider} from 'web3-core';12import {Contract} from 'web3-eth-contract';1314import * as solc from 'solc';1516import {evmToAddress} from '@polkadot/util-crypto';17import {IKeyringPair} from '@polkadot/types/types';1819import {DevUniqueHelper} from '../../../util/playgrounds/unique.dev';2021import {ContractImports, CompiledContract} from './types';222324import collectionHelpersAbi from '../../collectionHelpersAbi.json';25import fungibleAbi from '../../fungibleAbi.json';26import nonFungibleAbi from '../../nonFungibleAbi.json';27import refungibleAbi from '../../reFungibleAbi.json';28import refungibleTokenAbi from '../../reFungibleTokenAbi.json';29import contractHelpersAbi from './../contractHelpersAbi.json';30import {TEthereumAccount} from '../../../util/playgrounds/types';3132class EthGroupBase {33 helper: EthUniqueHelper;3435 constructor(helper: EthUniqueHelper) {36 this.helper = helper;37 }38}394041class ContractGroup extends EthGroupBase {42 async findImports(imports?: ContractImports[]){43 if(!imports) return function(path: string) {44 return {error: `File not found: ${path}`};45 };46 47 const knownImports = {} as {[key: string]: string};48 for(const imp of imports) {49 knownImports[imp.solPath] = (await readFile(imp.fsPath)).toString();50 }51 52 return function(path: string) {53 if(path in knownImports) return {contents: knownImports[path]};54 return {error: `File not found: ${path}`};55 };56 }5758 async compile(name: string, src: string, imports?: ContractImports[]): Promise<CompiledContract> {59 const out = JSON.parse(solc.compile(JSON.stringify({60 language: 'Solidity',61 sources: {62 [`${name}.sol`]: {63 content: src,64 },65 },66 settings: {67 outputSelection: {68 '*': {69 '*': ['*'],70 },71 },72 },73 }), {import: await this.findImports(imports)})).contracts[`${name}.sol`][name];74 return {75 abi: out.abi,76 object: '0x' + out.evm.bytecode.object,77 };78 }7980 async deployByCode(signer: string, name: string, src: string, imports?: ContractImports[]): Promise<Contract> {81 const compiledContract = await this.compile(name, src, imports);82 return this.deployByAbi(signer, compiledContract.abi, compiledContract.object);83 }8485 async deployByAbi(signer: string, abi: any, object: string): Promise<Contract> {86 const web3 = this.helper.getWeb3();87 const contract = new web3.eth.Contract(abi, undefined, {88 data: object,89 from: signer,90 gas: this.helper.eth.DEFAULT_GAS,91 });92 return await contract.deploy({data: object}).send({from: signer});93 }9495}96 97class NativeContractGroup extends EthGroupBase {9899 contractHelpers(caller: string): Contract {100 const web3 = this.helper.getWeb3();101 return new web3.eth.Contract(contractHelpersAbi as any, '0x842899ECF380553E8a4de75bF534cdf6fBF64049', {from: caller, gas: this.helper.eth.DEFAULT_GAS});102 }103104 collectionHelpers(caller: string) {105 const web3 = this.helper.getWeb3();106 return new web3.eth.Contract(collectionHelpersAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, gas: this.helper.eth.DEFAULT_GAS});107 }108109 collection(address: string, mode: 'nft' | 'rft' | 'ft', caller?: string): Contract {110 const abi = {111 'nft': nonFungibleAbi,112 'rft': refungibleAbi,113 'ft': fungibleAbi,114 }[mode];115 const web3 = this.helper.getWeb3();116 return new web3.eth.Contract(abi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});117 }118119 collectionById(collectionId: number, mode: 'nft' | 'rft' | 'ft', caller?: string): Contract {120 return this.collection(this.helper.ethAddress.fromCollectionId(collectionId), mode, caller);121 }122123 rftToken(address: string, caller?: string): Contract {124 const web3 = this.helper.getWeb3();125 return new web3.eth.Contract(refungibleTokenAbi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});126 }127128 rftTokenById(collectionId: number, tokenId: number, caller?: string): Contract {129 return this.rftToken(this.helper.ethAddress.fromTokenId(collectionId, tokenId), caller);130 }131}132133134class EthGroup extends EthGroupBase {135 DEFAULT_GAS = 2_500_000;136137 createAccount() {138 const web3 = this.helper.getWeb3();139 const account = web3.eth.accounts.create();140 web3.eth.accounts.wallet.add(account.privateKey);141 return account.address;142 }143144 async createAccountWithBalance(donor: IKeyringPair, amount=1000n) {145 const account = this.createAccount();146 await this.transferBalanceFromSubstrate(donor, account, amount);147 148 return account;149 }150151 async transferBalanceFromSubstrate(donor: IKeyringPair, recepient: string, amount=1000n, inTokens=true) {152 return await this.helper.balance.transferToSubstrate(donor, evmToAddress(recepient), amount * (inTokens ? this.helper.balance.getOneTokenNominal() : 1n));153 }154 155 async getCollectionCreationFee(signer: string) {156 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);157 return await collectionHelper.methods.collectionCreationFee().call();158 }159160 async sendEVM(signer: IKeyringPair, contractAddress: string, abi: string, value: string, gasLimit?: number) {161 if(!gasLimit) gasLimit = this.DEFAULT_GAS;162 const web3 = this.helper.getWeb3();163 const gasPrice = await web3.eth.getGasPrice();164 165 await this.helper.executeExtrinsic(166 signer,167 'api.tx.evm.call', [this.helper.address.substrateToEth(signer.address), contractAddress, abi, value, gasLimit, gasPrice, null, null, []],168 true,169 );170 }171172 async callEVM(signer: TEthereumAccount, contractAddress: string, abi: string) {173 return await this.helper.callRpc('api.rpc.eth.call', [{from: signer, to: contractAddress, data: abi}]);174 }175176 async createNonfungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {177 const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();178 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);179 180 const result = await collectionHelper.methods.createNonfungibleCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});181182 const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);183 const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);184185 return {collectionId, collectionAddress};186 }187188 async createRefungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {189 const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();190 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);191 192 const result = await collectionHelper.methods.createRFTCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});193194 const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);195 const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);196197 return {collectionId, collectionAddress};198 }199200 async deployCollectorContract(signer: string): Promise<Contract> {201 return await this.helper.ethContract.deployByCode(signer, 'Collector', `202 // SPDX-License-Identifier: UNLICENSED203 pragma solidity ^0.8.6;204205 contract Collector {206 uint256 collected;207 fallback() external payable {208 giveMoney();209 }210 function giveMoney() public payable {211 collected += msg.value;212 }213 function getCollected() public view returns (uint256) {214 return collected;215 }216 function getUnaccounted() public view returns (uint256) {217 return address(this).balance - collected;218 }219220 function withdraw(address payable target) public {221 target.transfer(collected);222 collected = 0;223 }224 }225 `);226 }227228 async deployFlipper(signer: string): Promise<Contract> {229 return await this.helper.ethContract.deployByCode(signer, 'Flipper', `230 // SPDX-License-Identifier: UNLICENSED231 pragma solidity ^0.8.6;232233 contract Flipper {234 bool value = false;235 function flip() public {236 value = !value;237 }238 function getValue() public view returns (bool) {239 return value;240 }241 }242 `);243 }244245 async recordCallFee(user: string, call: () => Promise<any>): Promise<bigint> {246 const before = await this.helper.balance.getEthereum(user);247 await call();248 249 await this.helper.wait.newBlocks(1);250 const after = await this.helper.balance.getEthereum(user);251252 return before - after;253 }254} 255256class EthAddressGroup extends EthGroupBase {257 extractCollectionId(address: string): number {258 if (!(address.length === 42 || address.length === 40)) throw new Error('address wrong format');259 return parseInt(address.substr(address.length - 8), 16);260 }261262 fromCollectionId(collectionId: number): string {263 if (collectionId >= 0xffffffff || collectionId < 0) throw new Error('collectionId overflow');264 return Web3.utils.toChecksumAddress(`0x17c4e6453cc49aaaaeaca894e6d9683e${collectionId.toString(16).padStart(8, '0')}`);265 }266267 extractTokenId(address: string): {collectionId: number, tokenId: number} {268 if (!address.startsWith('0x'))269 throw 'address not starts with "0x"';270 if (address.length > 42)271 throw 'address length is more than 20 bytes';272 return {273 collectionId: Number('0x' + address.substring(address.length - 16, address.length - 8)),274 tokenId: Number('0x' + address.substring(address.length - 8)),275 };276 }277278 fromTokenId(collectionId: number, tokenId: number): string {279 return this.helper.util.getTokenAddress({collectionId, tokenId});280 }281282 normalizeAddress(address: string): string {283 return '0x' + address.substring(address.length - 40);284 }285} 286 287288export class EthUniqueHelper extends DevUniqueHelper {289 web3: Web3 | null = null;290 web3Provider: WebsocketProvider | null = null;291292 eth: EthGroup;293 ethAddress: EthAddressGroup;294 ethNativeContract: NativeContractGroup;295 ethContract: ContractGroup;296297 constructor(logger: { log: (msg: any, level: any) => void, level: any }) {298 super(logger);299 this.eth = new EthGroup(this);300 this.ethAddress = new EthAddressGroup(this);301 this.ethNativeContract = new NativeContractGroup(this);302 this.ethContract = new ContractGroup(this);303 }304305 getWeb3(): Web3 {306 if(this.web3 === null) throw Error('Web3 not connected');307 return this.web3;308 }309310 async connectWeb3(wsEndpoint: string) {311 if(this.web3 !== null) return;312 this.web3Provider = new Web3.providers.WebsocketProvider(wsEndpoint);313 this.web3 = new Web3(this.web3Provider);314 }315316 async disconnectWeb3() {317 if(this.web3 === null) return;318 this.web3Provider?.connection.close();319 this.web3 = null;320 }321}322