import { ethers } from "ethers";
import { Connection, Keypair, Transaction } from "@solana/web3.js";
import { WalletContextState } from "@solana/wallet-adapter-react";
import { TransactionCallbacks, TransactionResult } from "../base/BasePreMarket";
/**
 * Blockchain type enum
 */
export declare enum BlockchainType {
    EVM = "evm",
    SOLANA = "solana"
}
/**
 * Parameters for EVM transaction
 */
export interface EVMTransactionParams {
    tx: ethers.PopulatedTransaction;
    wallet: ethers.Wallet | ethers.Signer;
    getRandomProvider: () => ethers.providers.Provider;
    contract?: ethers.BaseContract;
}
/**
 * Parameters for Solana transaction
 */
export interface SolanaTransactionParams {
    tx: Transaction;
    signer: Keypair | WalletContextState;
    connection: Connection;
}
/**
 * Union type for transaction parameters
 */
export type TransactionParams = {
    type: BlockchainType.EVM;
    params: EVMTransactionParams;
} | {
    type: BlockchainType.SOLANA;
    params: SolanaTransactionParams;
};
/**
 * Universal function to sign and send a transaction on either EVM or Solana
 * @param transactionParams The transaction parameters specific to the blockchain
 * @param callbacks Optional callbacks for transaction events
 * @returns Transaction result with status
 */
export declare function signAndSendTransaction(transactionParams: TransactionParams, callbacks?: TransactionCallbacks): Promise<TransactionResult>;
/**
 * Helper function to create EVM transaction parameters
 */
export declare function createEVMTransactionParams(tx: ethers.PopulatedTransaction, wallet: ethers.Wallet | ethers.Signer, getRandomProvider: () => ethers.providers.Provider, contract?: ethers.BaseContract): TransactionParams;
/**
 * Helper function to create Solana transaction parameters
 */
export declare function createSolanaTransactionParams(tx: Transaction, signer: Keypair | WalletContextState, connection: Connection): TransactionParams;
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