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• .. (вверх)
• [DIR] ..
• [DIR] abi
• [FILE] assertEip712Request.ts
• [FILE] assertEip712Transaction.ts
• [DIR] bridge
• [FILE] camelCaseKeys.ts
• [FILE] getEip712Domain.ts
• [FILE] hashBytecode.ts
• [FILE] isEip712Transaction.ts
• [FILE] isEth.ts
• [FILE] parseEip712Transaction.ts
• [DIR] paymaster

Просмотр файла: parseEip712Transaction.ts

import { BaseError } from '../../errors/base.js'
import type { Hex } from '../../types/misc.js'
import {
  fromHex,
  fromRlp,
  hexToBigInt,
  hexToNumber,
} from '../../utils/index.js'
import type { ZksyncTransactionSerializableEIP712 } from '../types/transaction.js'

export function parseEip712Transaction(
  transaction: Hex,
): ZksyncTransactionSerializableEIP712 {
  const payload = fromHex(transaction, 'bytes')
  if (payload[0] !== 113) throw new BaseError('transaction type must be eip712')

  function validHex(value: Hex): Hex {
    if (!value || value === '0x') return '0x0'
    return value
  }

  function parsePaymasterArray(arr: Hex[]) {
    if (arr.length === 0) return undefined
    if (arr.length !== 2)
      throw new BaseError(
        `Invalid paymaster parameters, expected to have length of 2, found ${arr.length}!`,
      )

    return {
      paymaster: arr[0],
      paymasterInput: arr[1],
    }
  }

  const raw = fromRlp(payload.slice(1)) as Hex[]
  const paymasterParams = parsePaymasterArray(raw[15] as unknown as Hex[])
  return {
    type: 'eip712',
    nonce: hexToNumber(validHex(raw[0])),
    maxPriorityFeePerGas: hexToBigInt(validHex(raw[1])),
    maxFeePerGas: hexToBigInt(validHex(raw[2])),
    gas: hexToBigInt(validHex(raw[3])),
    to: raw[4],
    value: hexToBigInt(validHex(raw[5])),
    data: raw[6],
    v: hexToBigInt(validHex(raw[7])),
    r: raw[8],
    s: raw[9],
    chainId: hexToNumber(validHex(raw[10])),
    from: raw[11],
    gasPerPubdata: hexToBigInt(validHex(raw[12])),
    factoryDeps: raw[13] as unknown as Hex[],
    customSignature: raw[14],
    paymaster: paymasterParams?.paymaster,
    paymasterInput: paymasterParams?.paymasterInput,
  }
}

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