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 75 return {76 abi: out.abi,77 object: '0x' + out.evm.bytecode.object,78 };79 }8081 async deployByCode(signer: string, name: string, src: string, imports?: ContractImports[]): Promise<Contract> {82 const compiledContract = await this.compile(name, src, imports);83 return this.deployByAbi(signer, compiledContract.abi, compiledContract.object);84 }8586 async deployByAbi(signer: string, abi: any, object: string): Promise<Contract> {87 const web3 = this.helper.getWeb3();88 const contract = new web3.eth.Contract(abi, undefined, {89 data: object,90 from: signer,91 gas: this.helper.eth.DEFAULT_GAS,92 });93 return await contract.deploy({data: object}).send({from: signer});94 }9596}97 98class NativeContractGroup extends EthGroupBase {99100 contractHelpers(caller: string): Contract {101 const web3 = this.helper.getWeb3();102 return new web3.eth.Contract(contractHelpersAbi as any, '0x842899ECF380553E8a4de75bF534cdf6fBF64049', {from: caller, gas: this.helper.eth.DEFAULT_GAS});103 }104105 collectionHelpers(caller: string) {106 const web3 = this.helper.getWeb3();107 return new web3.eth.Contract(collectionHelpersAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, gas: this.helper.eth.DEFAULT_GAS});108 }109110 collection(address: string, mode: 'nft' | 'rft' | 'ft', caller?: string): Contract {111 const abi = {112 'nft': nonFungibleAbi,113 'rft': refungibleAbi,114 'ft': fungibleAbi,115 }[mode];116 const web3 = this.helper.getWeb3();117 return new web3.eth.Contract(abi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});118 }119120 collectionById(collectionId: number, mode: 'nft' | 'rft' | 'ft', caller?: string): Contract {121 return this.collection(this.helper.ethAddress.fromCollectionId(collectionId), mode, caller);122 }123124 rftToken(address: string, caller?: string): Contract {125 const web3 = this.helper.getWeb3();126 return new web3.eth.Contract(refungibleTokenAbi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});127 }128129 rftTokenById(collectionId: number, tokenId: number, caller?: string): Contract {130 return this.rftToken(this.helper.ethAddress.fromTokenId(collectionId, tokenId), caller);131 }132}133134135class EthGroup extends EthGroupBase {136 DEFAULT_GAS = 2_500_000;137138 createAccount() {139 const web3 = this.helper.getWeb3();140 const account = web3.eth.accounts.create();141 web3.eth.accounts.wallet.add(account.privateKey);142 return account.address;143 }144145 async createAccountWithBalance(donor: IKeyringPair, amount=1000n) {146 const account = this.createAccount();147 await this.transferBalanceFromSubstrate(donor, account, amount);148 149 return account;150 }151152 async transferBalanceFromSubstrate(donor: IKeyringPair, recepient: string, amount=1000n, inTokens=true) {153 return await this.helper.balance.transferToSubstrate(donor, evmToAddress(recepient), amount * (inTokens ? this.helper.balance.getOneTokenNominal() : 1n));154 }155 156 async getCollectionCreationFee(signer: string) {157 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);158 return await collectionHelper.methods.collectionCreationFee().call();159 }160161 async sendEVM(signer: IKeyringPair, contractAddress: string, abi: string, value: string, gasLimit?: number) {162 if(!gasLimit) gasLimit = this.DEFAULT_GAS;163 const web3 = this.helper.getWeb3();164 const gasPrice = await web3.eth.getGasPrice();165 166 await this.helper.executeExtrinsic(167 signer,168 'api.tx.evm.call', [this.helper.address.substrateToEth(signer.address), contractAddress, abi, value, gasLimit, gasPrice, null, null, []],169 true,170 );171 }172173 async callEVM(signer: TEthereumAccount, contractAddress: string, abi: string) {174 return await this.helper.callRpc('api.rpc.eth.call', [{from: signer, to: contractAddress, data: abi}]);175 }176177 async createNonfungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {178 const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();179 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);180 181 const result = await collectionHelper.methods.createNonfungibleCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});182183 const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);184 const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);185186 return {collectionId, collectionAddress};187 }188189 async createRefungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {190 const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();191 const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);192 193 const result = await collectionHelper.methods.createRFTCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});194195 const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);196 const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);197198 return {collectionId, collectionAddress};199 }200201 async deployCollectorContract(signer: string): Promise<Contract> {202 return await this.helper.ethContract.deployByCode(signer, 'Collector', `203 // SPDX-License-Identifier: UNLICENSED204 pragma solidity ^0.8.6;205206 contract Collector {207 uint256 collected;208 fallback() external payable {209 giveMoney();210 }211 function giveMoney() public payable {212 collected += msg.value;213 }214 function getCollected() public view returns (uint256) {215 return collected;216 }217 function getUnaccounted() public view returns (uint256) {218 return address(this).balance - collected;219 }220221 function withdraw(address payable target) public {222 target.transfer(collected);223 collected = 0;224 }225 }226 `);227 }228229 async deployFlipper(signer: string): Promise<Contract> {230 return await this.helper.ethContract.deployByCode(signer, 'Flipper', `231 // SPDX-License-Identifier: UNLICENSED232 pragma solidity ^0.8.6;233234 contract Flipper {235 bool value = false;236 function flip() public {237 value = !value;238 }239 function getValue() public view returns (bool) {240 return value;241 }242 }243 `);244 }245246 async recordCallFee(user: string, call: () => Promise<any>): Promise<bigint> {247 const before = await this.helper.balance.getEthereum(user);248 await call();249 250 await this.helper.wait.newBlocks(1);251 const after = await this.helper.balance.getEthereum(user);252253 return before - after;254 }255} 256257class EthAddressGroup extends EthGroupBase {258 extractCollectionId(address: string): number {259 if (!(address.length === 42 || address.length === 40)) throw new Error('address wrong format');260 return parseInt(address.substr(address.length - 8), 16);261 }262263 fromCollectionId(collectionId: number): string {264 if (collectionId >= 0xffffffff || collectionId < 0) throw new Error('collectionId overflow');265 return Web3.utils.toChecksumAddress(`0x17c4e6453cc49aaaaeaca894e6d9683e${collectionId.toString(16).padStart(8, '0')}`);266 }267268 extractTokenId(address: string): {collectionId: number, tokenId: number} {269 if (!address.startsWith('0x'))270 throw 'address not starts with "0x"';271 if (address.length > 42)272 throw 'address length is more than 20 bytes';273 return {274 collectionId: Number('0x' + address.substring(address.length - 16, address.length - 8)),275 tokenId: Number('0x' + address.substring(address.length - 8)),276 };277 }278279 fromTokenId(collectionId: number, tokenId: number): string {280 return this.helper.util.getTokenAddress({collectionId, tokenId});281 }282283 normalizeAddress(address: string): string {284 return '0x' + address.substring(address.length - 40);285 }286} 287 288289export class EthUniqueHelper extends DevUniqueHelper {290 web3: Web3 | null = null;291 web3Provider: WebsocketProvider | null = null;292293 eth: EthGroup;294 ethAddress: EthAddressGroup;295 ethNativeContract: NativeContractGroup;296 ethContract: ContractGroup;297298 constructor(logger: { log: (msg: any, level: any) => void, level: any }) {299 super(logger);300 this.eth = new EthGroup(this);301 this.ethAddress = new EthAddressGroup(this);302 this.ethNativeContract = new NativeContractGroup(this);303 this.ethContract = new ContractGroup(this);304 }305306 getWeb3(): Web3 {307 if(this.web3 === null) throw Error('Web3 not connected');308 return this.web3;309 }310311 async connectWeb3(wsEndpoint: string) {312 if(this.web3 !== null) return;313 this.web3Provider = new Web3.providers.WebsocketProvider(wsEndpoint);314 this.web3 = new Web3(this.web3Provider);315 }316317 async disconnectWeb3() {318 if(this.web3 === null) return;319 this.web3Provider?.connection.close();320 this.web3 = null;321 }322}323