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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/op-stack/actions

Просмотр файла: getTimeToFinalize.ts

import {
  type MulticallErrorType,
  multicall,
} from '../../actions/public/multicall.js'
import { readContract } from '../../actions/public/readContract.js'
import type { Client } from '../../clients/createClient.js'
import type { Transport } from '../../clients/transports/createTransport.js'
import { BaseError } from '../../errors/base.js'
import type { ErrorType } from '../../errors/utils.js'
import type { Account } from '../../types/account.js'
import type {
  Chain,
  DeriveChain,
  GetChainParameter,
} from '../../types/chain.js'
import type { Hash } from '../../types/misc.js'
import { l2OutputOracleAbi, portal2Abi, portalAbi } from '../abis.js'
import type { GetContractAddressParameter } from '../types/contract.js'
import { getPortalVersion } from './getPortalVersion.js'

export type GetTimeToFinalizeParameters<
  chain extends Chain | undefined = Chain | undefined,
  chainOverride extends Chain | undefined = Chain | undefined,
  _derivedChain extends Chain | undefined = DeriveChain<chain, chainOverride>,
> = GetChainParameter<chain, chainOverride> &
  GetContractAddressParameter<_derivedChain, 'l2OutputOracle' | 'portal'> & {
    withdrawalHash: Hash
  }
export type GetTimeToFinalizeReturnType = {
  /** The finalization period (in seconds). */
  period: number
  /** Seconds until the withdrawal can be finalized. */
  seconds: number
  /** Timestamp of when the withdrawal can be finalized. */
  timestamp: number
}
export type GetTimeToFinalizeErrorType = MulticallErrorType | ErrorType

const buffer = 10

/**
 * Returns the time until the withdrawal transaction can be finalized. Used for the [Withdrawal](/op-stack/guides/withdrawals) flow.
 *
 * - Docs: https://viem.sh/op-stack/actions/getTimeToFinalize
 *
 * @param client - Client to use
 * @param parameters - {@link GetTimeToFinalizeParameters}
 * @returns Time until finalize. {@link GetTimeToFinalizeReturnType}
 *
 * @example
 * import { createPublicClient, http } from 'viem'
 * import { getBlockNumber } from 'viem/actions'
 * import { mainnet, optimism } from 'viem/chains'
 * import { getTimeToFinalize } from 'viem/op-stack'
 *
 * const publicClientL1 = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 * const publicClientL2 = createPublicClient({
 *   chain: optimism,
 *   transport: http(),
 * })
 *
 * const receipt = await publicClientL2.getTransactionReceipt({
 *   hash: '0x9a2f4283636ddeb9ac32382961b22c177c9e86dd3b283735c154f897b1a7ff4a',
 * })
 *
 * const [withdrawal] = getWithdrawals(receipt)
 *
 * const { seconds } = await getTimeToFinalize(publicClientL1, {
 *   withdrawalHash: withdrawal.withdrawalHash,
 *   targetChain: optimism
 * })
 */
export async function getTimeToFinalize<
  chain extends Chain | undefined,
  account extends Account | undefined,
  chainOverride extends Chain | undefined = undefined,
>(
  client: Client<Transport, chain, account>,
  parameters: GetTimeToFinalizeParameters<chain, chainOverride>,
): Promise<GetTimeToFinalizeReturnType> {
  const { chain = client.chain, withdrawalHash, targetChain } = parameters

  const portalAddress = (() => {
    if (parameters.portalAddress) return parameters.portalAddress
    if (chain) return targetChain!.contracts.portal[chain.id].address
    return Object.values(targetChain!.contracts.portal)[0].address
  })()

  const portalVersion = await getPortalVersion(client, { portalAddress })

  // Legacy
  if (portalVersion.major < 3) {
    const l2OutputOracleAddress = (() => {
      if (parameters.l2OutputOracleAddress)
        return parameters.l2OutputOracleAddress
      if (chain) return targetChain!.contracts.l2OutputOracle[chain.id].address
      return Object.values(targetChain!.contracts.l2OutputOracle)[0].address
    })()
    const [[_outputRoot, proveTimestamp, _l2OutputIndex], period] =
      await multicall(client, {
        allowFailure: false,
        contracts: [
          {
            abi: portalAbi,
            address: portalAddress,
            functionName: 'provenWithdrawals',
            args: [withdrawalHash],
          },
          {
            abi: l2OutputOracleAbi,
            address: l2OutputOracleAddress,
            functionName: 'FINALIZATION_PERIOD_SECONDS',
          },
        ],
      })

    const secondsSinceProven = Date.now() / 1000 - Number(proveTimestamp)
    const secondsToFinalize = Number(period) - secondsSinceProven

    const seconds = Math.floor(
      secondsToFinalize < 0 ? 0 : secondsToFinalize + buffer,
    )
    const timestamp = Date.now() + seconds * 1000

    return { period: Number(period), seconds, timestamp }
  }

  const numProofSubmitters = await readContract(client, {
    abi: portal2Abi,
    address: portalAddress,
    functionName: 'numProofSubmitters',
    args: [withdrawalHash],
  }).catch(() => 1n)

  const proofSubmitter = await readContract(client, {
    abi: portal2Abi,
    address: portalAddress,
    functionName: 'proofSubmitters',
    args: [withdrawalHash, numProofSubmitters - 1n],
  }).catch(() => undefined)

  const [[_disputeGameProxy, proveTimestamp], proofMaturityDelaySeconds] =
    await Promise.all([
      proofSubmitter
        ? readContract(client, {
            abi: portal2Abi,
            address: portalAddress,
            functionName: 'provenWithdrawals',
            args: [withdrawalHash, proofSubmitter],
          })
        : Promise.resolve(['0x', 0n]),
      readContract(client, {
        abi: portal2Abi,
        address: portalAddress,
        functionName: 'proofMaturityDelaySeconds',
      }),
    ])

  if (proveTimestamp === 0n)
    throw new BaseError('Withdrawal has not been proven on L1.')

  const secondsSinceProven = Date.now() / 1000 - Number(proveTimestamp)
  const secondsToFinalize =
    Number(proofMaturityDelaySeconds) - secondsSinceProven

  const seconds = Math.floor(
    secondsToFinalize < 0n ? 0 : secondsToFinalize + buffer,
  )
  const timestamp = Date.now() + seconds * 1000

  return { period: Number(proofMaturityDelaySeconds), seconds, timestamp }
}

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