lukongtou-api/src/web3/web3.service.ts

import { Inject, Injectable, Logger } from '@nestjs/common'
import { ethers } from 'ethers'
import { Wallet, Provider, utils } from 'zksync-web3'
import web3Config from './web3.config'
import { ConfigType } from '@nestjs/config'
import { AccountsService } from 'src/accounts/accounts.service'

@Injectable()
export class Web3Service {
    constructor(
        @Inject(web3Config.KEY)
        private readonly web3Configuration: ConfigType<typeof web3Config>,
        private readonly accountService: AccountsService
    ) {}

    async zkDeposite(accountId, amount) {
        const account = await this.accountService.findById(accountId)
        const provider = new Provider(this.web3Configuration.zksyncRpcUrl)
        const ethProvider = new ethers.providers.InfuraProvider(
            this.web3Configuration.ethereumNetwork,
            this.web3Configuration.infuraApiKey
        )
        const wallet = new Wallet(account.privateKey, provider, ethProvider)
        const deposit = await wallet.deposit({
            token: utils.ETH_ADDRESS,
            amount: ethers.utils.parseEther(amount)
        })
        Logger.log('Deposit sent. Awaiting confirmation...')
        // // Await processing of the deposit on L1
        // const ethereumTxReceipt = await deposit.waitL1Commit()

        // Logger.log('L1 deposit confirmed! Waiting for zkSync...')
        // // Await processing the deposit on zkSync
        // const depositReceipt = await deposit.wait()
        // Logger.log('zkSync deposit committed.')

        // Logger.log('Checking zkSync account balance')
        // // Retrieving the current (committed) zkSync ETH balance of an account
        // const committedEthBalance = await wallet.getBalance()
        // Logger.log('committedEthBalance', ethers.utils.formatEther(committedEthBalance))

        // // Retrieving the ETH balance of an account in the last finalized zkSync block.
        // const finalizedEthBalance = await wallet.getBalance(utils.ETH_ADDRESS, 'finalized')
        // Logger.log('finalizedEthBalance', ethers.utils.formatEther(finalizedEthBalance))
    }

    async zkWidthdraw() {}
}