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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/zksync/actions
Просмотр файла: finalizeWithdrawal.ts

import { type Address, parseAbi } from 'abitype'
import type { Account } from '../../accounts/types.js'
import { readContract } from '../../actions/public/readContract.js'
import {
  type SendTransactionErrorType,
  type SendTransactionParameters,
  type SendTransactionRequest,
  type SendTransactionReturnType,
  sendTransaction,
} from '../../actions/wallet/sendTransaction.js'
import type { Client } from '../../clients/createClient.js'
import type { Transport } from '../../clients/transports/createTransport.js'
import { AccountNotFoundError } from '../../errors/account.js'
import {
  ChainNotFoundError,
  type ChainNotFoundErrorType,
} from '../../errors/chain.js'
import type { Chain } from '../../types/chain.js'
import type { Hex } from '../../types/misc.js'
import {
  decodeAbiParameters,
  encodeFunctionData,
  parseAccount,
  slice,
} from '../../utils/index.js'
import {
  WithdrawalLogNotFoundError,
  type WithdrawalLogNotFoundErrorType,
} from '../errors/bridge.js'
import type { ChainEIP712 } from '../types/chain.js'
import type { BridgeContractAddresses } from '../types/contract.js'
import { getWithdrawalL2ToL1Log } from '../utils/bridge/getWithdrawalL2ToL1Log.js'
import { getWithdrawalLog } from '../utils/bridge/getWithdrawalLog.js'
import { getDefaultBridgeAddresses } from './getDefaultBridgeAddresses.js'
import { getLogProof } from './getLogProof.js'

export type FinalizeWithdrawalParameters<
  chain extends Chain | undefined = Chain | undefined,
  account extends Account | undefined = Account | undefined,
  chainOverride extends Chain | undefined = Chain | undefined,
  chainL2 extends ChainEIP712 | undefined = ChainEIP712 | undefined,
  accountL2 extends Account | undefined = Account | undefined,
  request extends SendTransactionRequest<
    chain,
    chainOverride
  > = SendTransactionRequest<chain, chainOverride>,
> = Omit<
  SendTransactionParameters<chain, account, chainOverride, request>,
  'value' | 'data' | 'to'
> & {
  /** L2 client */
  client: Client<Transport, chainL2, accountL2>
  /** Hash of the L2 transaction where the withdrawal was initiated. */
  hash: Hex
  /** In case there were multiple withdrawals in one transaction, you may pass an index of the
   withdrawal you want to finalize. */
  index?: number | undefined
}

export type FinalizeWithdrawalReturnType = SendTransactionReturnType

export type FinalizeWithdrawalErrorType =
  | SendTransactionErrorType
  | WithdrawalLogNotFoundErrorType
  | ChainNotFoundErrorType

/**
 * Proves the inclusion of the `L2->L1` withdrawal message.
 *
 * @param client - Client to use
 * @param parameters - {@link FinalizeWithdrawalParameters}
 * @returns hash - The [Transaction](https://viem.sh/docs/glossary/terms#transaction) hash. {@link FinalizeWithdrawalReturnType}
 *
 * @example
 * import { createPublicClient, http } from 'viem'
 * import { privateKeyToAccount } from 'viem/accounts'
 * import { mainnet, zksync } from 'viem/chains'
 * import { finalizeWithdrawal, publicActionsL2 } from 'viem/zksync'
 *
 * const client = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 *
 * const clientL2 = createPublicClient({
 *   chain: zksync,
 *   transport: http(),
 * }).extend(publicActionsL2())
 *
 * const hash = await finalizeWithdrawal(client, {
 *     account: privateKeyToAccount('0x…'),
 *     client: clientL2,
 *     hash: '0x...',
 * })
 *
 * @example Account Hoisting
 * import { createPublicClient, createWalletClient, http } from 'viem'
 * import { privateKeyToAccount } from 'viem/accounts'
 * import { mainnet, zksync } from 'viem/chains'
 * import { finalizeWithdrawal, publicActionsL2 } from 'viem/zksync'
 *
 * const client = createWalletClient({
 *   account: privateKeyToAccount('0x…'),
 *   chain: mainnet,
 *   transport: http(),
 * })
 *
 * const clientL2 = createPublicClient({
 *   chain: zksync,
 *   transport: http(),
 * }).extend(publicActionsL2())
 *
 * const hash = await finalizeWithdrawal(client, {
 *     client: clientL2,
 *     hash: '0x…',
 * })
 */
export async function finalizeWithdrawal<
  chain extends Chain | undefined,
  account extends Account | undefined,
  accountL2 extends Account | undefined,
  const request extends SendTransactionRequest<chain, chainOverride>,
  chainOverride extends Chain | undefined,
  chainL2 extends ChainEIP712 | undefined,
>(
  client: Client<Transport, chain, account>,
  parameters: FinalizeWithdrawalParameters<
    chain,
    account,
    chainOverride,
    chainL2,
    accountL2,
    request
  >,
): Promise<FinalizeWithdrawalReturnType> {
  const {
    account: account_ = client.account,
    client: l2Client,
    hash,
    index = 0,
    ...rest
  } = parameters
  const account = account_ ? parseAccount(account_) : client.account
  if (!account)
    throw new AccountNotFoundError({
      docsPath: '/docs/actions/wallet/sendTransaction',
    })
  if (!l2Client.chain) throw new ChainNotFoundError()

  const finalizeWithdrawalParams = await getFinalizeWithdrawalParams(l2Client, {
    hash,
    index,
  })

  const l1Nullifier = (await getBridgeAddresses(client, l2Client)).l1Nullifier

  const data = encodeFunctionData({
    abi: parseAbi([
      'function finalizeDeposit((uint256 chainId, uint256 l2BatchNumber, uint256 l2MessageIndex, address l2Sender, uint16 l2TxNumberInBatch, bytes message, bytes32[] merkleProof) _finalizeWithdrawalParams)',
    ]),
    functionName: 'finalizeDeposit',
    args: [
      {
        chainId: BigInt(l2Client.chain.id),
        l2BatchNumber: finalizeWithdrawalParams.l1BatchNumber!,
        l2MessageIndex: BigInt(finalizeWithdrawalParams.l2MessageIndex),
        l2Sender: finalizeWithdrawalParams.sender,
        l2TxNumberInBatch: Number(finalizeWithdrawalParams.l2TxNumberInBlock),
        message: finalizeWithdrawalParams.message,
        merkleProof: finalizeWithdrawalParams.proof,
      },
    ],
  })

  return await sendTransaction(client, {
    account,
    to: l1Nullifier,
    data,
    ...rest,
  } as SendTransactionParameters)
}

async function getFinalizeWithdrawalParams<
  chain extends Chain | undefined,
  account extends Account | undefined,
>(
  client: Client<Transport, chain, account>,
  parameters: { hash: Hex; index: number },
) {
  const { hash } = parameters
  const { log, l1BatchTxId } = await getWithdrawalLog(client, parameters)
  const { l2ToL1LogIndex } = await getWithdrawalL2ToL1Log(client, parameters)
  const sender = slice(log.topics[1]!, 12) as Address
  const proof = await getLogProof(client, {
    txHash: hash,
    index: l2ToL1LogIndex!,
  })
  if (!proof) {
    throw new WithdrawalLogNotFoundError({ hash })
  }

  const [message] = decodeAbiParameters([{ type: 'bytes' }], log.data)

  return {
    l1BatchNumber: log.l1BatchNumber,
    l2MessageIndex: proof.id,
    l2TxNumberInBlock: l1BatchTxId,
    message,
    sender,
    proof: proof.proof,
  }
}

async function getBridgeAddresses<
  chain extends Chain | undefined,
  chainL2 extends ChainEIP712 | undefined,
>(
  client: Client<Transport, chain>,
  l2Client: Client<Transport, chainL2>,
): Promise<
  BridgeContractAddresses & {
    l1Nullifier: Address
    l1NativeTokenVault: Address
  }
> {
  const addresses = await getDefaultBridgeAddresses(l2Client)
  let l1Nullifier = addresses.l1Nullifier
  let l1NativeTokenVault = addresses.l1NativeTokenVault

  if (!l1Nullifier)
    l1Nullifier = await readContract(client, {
      address: addresses.sharedL1,
      abi: parseAbi(['function L1_NULLIFIER() view returns (address)']),
      functionName: 'L1_NULLIFIER',
      args: [],
    })
  if (!l1NativeTokenVault)
    l1NativeTokenVault = await readContract(client, {
      address: addresses.sharedL1,
      abi: parseAbi(['function nativeTokenVault() view returns (address)']),
      functionName: 'nativeTokenVault',
      args: [],
    })

  return {
    ...addresses,
    l1Nullifier,
    l1NativeTokenVault,
  }
}
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