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@skalenetwork/ima-js

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Simple TS/JS library to interact with SKALE IMA

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/** * @license * SKALE ima-js * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ /** * @file TokenManagerERC721.ts * @copyright SKALE Labs 2022-Present */ import { ethers } from 'ethers'; import { TokenManager } from './TokenManager'; import * as constants from '../../constants'; import * as transactions from '../../transactions'; export class TokenManagerERC721 extends TokenManager { tokenMappingLenghtSlot = constants.TOKEN_MANAGER_ERC721_MAPPING_LENGTH_SLOT; async getTokenCloneAddress(originTokenAddress, originChainName = constants.MAINNET_CHAIN_NAME) { return await this.contract.clonesErc721(ethers.solidityPackedKeccak256(['string'], [originChainName]), originTokenAddress); } async addTokenByOwner(originChainName, erc721OnMainnet, erc721OnSchain, opts) { const txData = await this.contract.addERC721TokenByOwner.populateTransaction(originChainName, erc721OnMainnet, erc721OnSchain); return await transactions.send(this.provider, txData, opts, this.txName('addERC721TokenByOwner')); } async approve(tokenName, tokenId, opts) { const tokenContract = this.tokens[tokenName]; const txData = await tokenContract.approve.populateTransaction(this.address, tokenId); return await transactions.send(this.provider, txData, opts, this.txName('approve')); } async withdraw(mainnetTokenAddress, tokenId, opts) { const txData = await this.contract.exitToMainERC721.populateTransaction(mainnetTokenAddress, tokenId); return await transactions.send(this.provider, txData, opts, this.txName('exitToMainERC721')); } async transferToSchain(targetSchainName, tokenAddress, tokenId, opts) { const txData = await this.contract.transferToSchainERC721.populateTransaction(targetSchainName, tokenAddress, tokenId); return await transactions.send(this.provider, txData, opts, this.txName('transferToSchainERC721')); } }