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

Просмотр файла: getGames.ts

import {
  type ReadContractErrorType,
  readContract,
} from '../../actions/public/readContract.js'
import type { Client } from '../../clients/createClient.js'
import type { Transport } from '../../clients/transports/createTransport.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 { decodeAbiParameters } from '../../utils/abi/decodeAbiParameters.js'
import { disputeGameFactoryAbi, portal2Abi } from '../abis.js'
import type { GetContractAddressParameter } from '../types/contract.js'
import type { Game } from '../types/withdrawal.js'

export type GetGamesParameters<
  chain extends Chain | undefined = Chain | undefined,
  chainOverride extends Chain | undefined = Chain | undefined,
  _derivedChain extends Chain | undefined = DeriveChain<chain, chainOverride>,
> = GetChainParameter<chain, chainOverride> &
  GetContractAddressParameter<
    _derivedChain,
    'portal' | 'disputeGameFactory'
  > & {
    /**
     * Filter by minimum block number of the dispute games.
     */
    l2BlockNumber?: bigint | undefined
    /**
     * Limit of games to extract.
     * @default 100
     */
    limit?: number | undefined
  }
export type GetGamesReturnType = (Game & {
  l2BlockNumber: bigint
})[]
export type GetGamesErrorType = ReadContractErrorType | ErrorType

/**
 * Retrieves dispute games for an L2.
 *
 * - Docs: https://viem.sh/op-stack/actions/getGame
 *
 * @param client - Client to use
 * @param parameters - {@link GetGameParameters}
 * @returns Dispute games. {@link GetGameReturnType}
 *
 * @example
 * import { createPublicClient, http } from 'viem'
 * import { mainnet, optimism } from 'viem/chains'
 * import { getGames } from 'viem/op-stack'
 *
 * const publicClientL1 = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 *
 * const games = await getGames(publicClientL1, {
 *   targetChain: optimism
 * })
 */
export async function getGames<
  chain extends Chain | undefined,
  account extends Account | undefined,
  chainOverride extends Chain | undefined = undefined,
>(
  client: Client<Transport, chain, account>,
  parameters: GetGamesParameters<chain, chainOverride>,
): Promise<GetGamesReturnType> {
  const {
    chain = client.chain,
    l2BlockNumber,
    limit = 100,
    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 disputeGameFactoryAddress = (() => {
    if (parameters.disputeGameFactoryAddress)
      return parameters.disputeGameFactoryAddress
    if (chain)
      return targetChain!.contracts.disputeGameFactory[chain.id].address
    return Object.values(targetChain!.contracts.disputeGameFactory)[0].address
  })()

  const [gameCount, gameType] = await Promise.all([
    readContract(client, {
      abi: disputeGameFactoryAbi,
      functionName: 'gameCount',
      args: [],
      address: disputeGameFactoryAddress,
    }),
    readContract(client, {
      abi: portal2Abi,
      functionName: 'respectedGameType',
      address: portalAddress,
    }),
  ])

  const games = (
    (await readContract(client, {
      abi: disputeGameFactoryAbi,
      functionName: 'findLatestGames',
      address: disputeGameFactoryAddress,
      args: [
        gameType,
        BigInt(Math.max(0, Number(gameCount - 1n))),
        BigInt(Math.min(limit, Number(gameCount))),
      ],
    })) as Game[]
  )
    .map((game) => {
      const [blockNumber] = decodeAbiParameters(
        [{ type: 'uint256' }],
        game.extraData,
      )
      return !l2BlockNumber || blockNumber > l2BlockNumber
        ? { ...game, l2BlockNumber: blockNumber }
        : null
    })
    .filter(Boolean) as GetGamesReturnType

  return games
}

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