saepenatus/packages/transaction-preview/src/simulateTransactions.ts

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

import { hexFieldsToNumber } from './utils'
import type {
  TransactionForSim,
  TransactionPreviewInitOptions
} from './types.js'
import type { MultiSimOutput } from 'bnc-sdk'

const simulateTransactions = async (
  options: Omit<TransactionPreviewInitOptions, 'provider' | 'containerElement'>,
  transactions: TransactionForSim[]
): Promise<MultiSimOutput> => {
  const { sdk } = options
  const cleanedTransactions: TransactionForSim[] = transactions.map(
    transaction => {
      const convertedTransaction = hexFieldsToNumber(
        transaction as TransactionForSim
      )
      const cleanedTrans = {
        from: convertedTransaction.from,
        to: convertedTransaction.to,
        gas: convertedTransaction.gas,
        gasPrice: convertedTransaction.gasPrice,
        maxFeePerGas: convertedTransaction.maxFeePerGas,
        maxPriorityFeePerGas: convertedTransaction.maxPriorityFeePerGas,
        input:
          convertedTransaction.input ||
          transaction.input ||
          transaction.data ||
          '0x',
        value: convertedTransaction.value
      }
      return cleanedTrans
    }
  )

  return sdk.multiSim(cleanedTransactions) as Promise<MultiSimOutput>
}

export default simulateTransactions