@skalenetwork/ima-js/src/contracts/schain/TokenManagerERC721.ts

Simple TS/JS library to interact with SKALE IMA

/**
 * @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, type TransactionResponse } from 'ethers';

import { TokenManager } from './TokenManager';
import * as constants from '../../constants';
import * as transactions from '../../transactions';
import type TxOpts from '../../TxOpts';

export class TokenManagerERC721 extends TokenManager {
    tokenMappingLenghtSlot = constants.TOKEN_MANAGER_ERC721_MAPPING_LENGTH_SLOT;

    async getTokenCloneAddress (
        originTokenAddress: string,
        originChainName: string = constants.MAINNET_CHAIN_NAME
    ): Promise<string> {
        return await this.contract.clonesErc721(
            ethers.solidityPackedKeccak256(['string'], [originChainName]),
            originTokenAddress
        );
    }

    async addTokenByOwner (
        originChainName: string,
        erc721OnMainnet: string,
        erc721OnSchain: string,
        opts: TxOpts
    ): Promise<TransactionResponse> {
        const txData = await this.contract.addERC721TokenByOwner.populateTransaction(
            originChainName,
            erc721OnMainnet,
            erc721OnSchain
        );
        return await transactions.send(
            this.provider,
            txData,
            opts,
            this.txName('addERC721TokenByOwner')
        );
    }

    async approve (
        tokenName: string,
        tokenId: number,
        opts: TxOpts
    ): Promise<TransactionResponse> {
        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: string,
        tokenId: number,
        opts: TxOpts
    ): Promise<TransactionResponse> {
        const txData = await this.contract.exitToMainERC721.populateTransaction(
            mainnetTokenAddress,
            tokenId
        );
        return await transactions.send(
            this.provider,
            txData,
            opts,
            this.txName('exitToMainERC721')
        );
    }

    async transferToSchain (
        targetSchainName: string,
        tokenAddress: string,
        tokenId: number,
        opts: TxOpts
    ): Promise<TransactionResponse> {
        const txData = await this.contract.transferToSchainERC721.populateTransaction(
            targetSchainName,
            tokenAddress,
            tokenId
        );
        return await transactions.send(
            this.provider,
            txData,
            opts,
            this.txName('transferToSchainERC721')
        );
    }
}