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• [DIR] ..
• [FILE] getPaymasterData.ts
• [FILE] getPaymasterStubData.ts

Просмотр файла: getPaymasterData.ts

import type { Address } from 'abitype'
import type { Client } from '../../../clients/createClient.js'
import type { Transport } from '../../../clients/transports/createTransport.js'
import type { ErrorType } from '../../../errors/utils.js'
import type { Hex } from '../../../types/misc.js'
import type { OneOf, PartialBy, Prettify } from '../../../types/utils.js'
import { hexToBigInt } from '../../../utils/encoding/fromHex.js'
import { numberToHex } from '../../../utils/encoding/toHex.js'
import type { UserOperation } from '../../types/userOperation.js'
import {
  type FormatUserOperationRequestErrorType,
  formatUserOperationRequest,
} from '../../utils/formatters/userOperationRequest.js'

export type GetPaymasterDataParameters = OneOf<
  | PartialBy<
      Pick<
        UserOperation<'0.6'>,
        | 'callData'
        | 'callGasLimit'
        | 'initCode'
        | 'maxFeePerGas'
        | 'maxPriorityFeePerGas'
        | 'nonce'
        | 'sender'
        | 'preVerificationGas'
        | 'verificationGasLimit'
      >,
      | 'callGasLimit'
      | 'initCode'
      | 'maxFeePerGas'
      | 'maxPriorityFeePerGas'
      | 'preVerificationGas'
      | 'verificationGasLimit'
    >
  | PartialBy<
      Pick<
        UserOperation<'0.7'>,
        | 'callData'
        | 'callGasLimit'
        | 'factory'
        | 'factoryData'
        | 'maxFeePerGas'
        | 'maxPriorityFeePerGas'
        | 'nonce'
        | 'sender'
        | 'preVerificationGas'
        | 'verificationGasLimit'
        | 'paymasterPostOpGasLimit'
        | 'paymasterVerificationGasLimit'
      >,
      | 'callGasLimit'
      | 'factory'
      | 'factoryData'
      | 'maxFeePerGas'
      | 'maxPriorityFeePerGas'
      | 'preVerificationGas'
      | 'verificationGasLimit'
    >
  | PartialBy<
      Pick<
        UserOperation<'0.8'>,
        | 'callData'
        | 'callGasLimit'
        | 'factory'
        | 'factoryData'
        | 'maxFeePerGas'
        | 'maxPriorityFeePerGas'
        | 'nonce'
        | 'sender'
        | 'preVerificationGas'
        | 'verificationGasLimit'
        | 'paymasterPostOpGasLimit'
        | 'paymasterVerificationGasLimit'
      >,
      | 'callGasLimit'
      | 'factory'
      | 'factoryData'
      | 'maxFeePerGas'
      | 'maxPriorityFeePerGas'
      | 'preVerificationGas'
      | 'verificationGasLimit'
    >
> & {
  context?: unknown | undefined
  chainId: number
  entryPointAddress: Address
}

export type GetPaymasterDataReturnType = Prettify<
  OneOf<
    | { paymasterAndData: Hex }
    | {
        paymaster: Address
        paymasterData: Hex
        paymasterPostOpGasLimit?: bigint | undefined
        paymasterVerificationGasLimit?: bigint | undefined
      }
  >
>

export type GetPaymasterDataErrorType =
  | FormatUserOperationRequestErrorType
  | ErrorType

/**
 * Retrieves paymaster-related User Operation properties to be used for sending the User Operation.
 *
 * - Docs: https://viem.sh/account-abstraction/actions/paymaster/getPaymasterData
 *
 * @param client - Client to use
 * @param parameters - {@link GetPaymasterDataParameters}
 * @returns Paymaster-related User Operation properties. {@link GetPaymasterDataReturnType}
 *
 * @example
 * import { http } from 'viem'
 * import { createPaymasterClient, getPaymasterData } from 'viem/account-abstraction'
 *
 * const paymasterClient = createPaymasterClient({
 *   transport: http('https://...'),
 * })
 *
 * const userOperation = { ... }
 *
 * const values = await getPaymasterData(paymasterClient, {
 *   chainId: 1,
 *   entryPointAddress: '0x...',
 *   ...userOperation,
 * })
 */
export async function getPaymasterData(
  client: Client<Transport>,
  parameters: GetPaymasterDataParameters,
): Promise<GetPaymasterDataReturnType> {
  const { chainId, entryPointAddress, context, ...userOperation } = parameters
  const request = formatUserOperationRequest(userOperation)
  const { paymasterPostOpGasLimit, paymasterVerificationGasLimit, ...rest } =
    await client.request({
      method: 'pm_getPaymasterData',
      params: [
        {
          ...request,
          callGasLimit: request.callGasLimit ?? '0x0',
          verificationGasLimit: request.verificationGasLimit ?? '0x0',
          preVerificationGas: request.preVerificationGas ?? '0x0',
        },
        entryPointAddress,
        numberToHex(chainId),
        context,
      ],
    })
  return {
    ...rest,
    ...(paymasterPostOpGasLimit && {
      paymasterPostOpGasLimit: hexToBigInt(paymasterPostOpGasLimit),
    }),
    ...(paymasterVerificationGasLimit && {
      paymasterVerificationGasLimit: hexToBigInt(paymasterVerificationGasLimit),
    }),
  } as unknown as GetPaymasterDataReturnType
}

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