solana-trading-bot/transactions/transaction-executor.interface.ts

import { BlockhashWithExpiryBlockHeight, Transaction, VersionedTransaction } from '@solana/web3.js';

export interface TransactionExecutor {
  executeAndConfirm(
    transaction: Transaction | VersionedTransaction,
    latestBlockhash: BlockhashWithExpiryBlockHeight,
  ): Promise<{ confirmed: boolean; signature: string }>;
}