/**
 * 多跳（Hop Chain）转账链生成工具
 *
 * 提取自 chains/bsc/four/swap.ts、chains/bsc/pancake/bundle-swap.ts、shared/flap/portal-bundle-merkle/swap.ts
 * 消除三个文件之间的复制代码
 */
import { ethers, Wallet, JsonRpcProvider } from 'ethers';
import type { DisperseHopPath } from './types/hop-chains.js';
export type { DisperseHopPath } from './types/hop-chains.js';
export declare const NATIVE_TRANSFER_GAS_LIMIT: 21055n;
export declare const ERC20_TRANSFER_GAS_LIMIT_HOP: 65000n;
export declare const BRIBE_GAS_LIMIT: 21000n;
/**

/**
 * 给交易对象附加 gasPrice/maxFeePerGas（根据 txType）
 * 消除 `if (txType === 2) { ... } else { ... }` 手写重复
 */
export declare function applyTxTypeGas(tx: ethers.TransactionLike, gasPrice: bigint, txType: 0 | 2): void;
/**
 * 生成分发多跳路径
 */
export declare function generateDisperseHopPaths(targetAddresses: string[], hopCount: number, provider: JsonRpcProvider): DisperseHopPath[];
/**
 * 构建原生代币多跳转账链
 */
export declare function buildNativeHopChain(payer: Wallet, path: DisperseHopPath, finalAmount: bigint, gasPrice: bigint, chainId: number, txType: 0 | 2, payerNonce: number): Promise<string[]>;
/**
 * 构建 ERC20 多跳转账链（需要配合 BNB 多跳使用）
 */
export declare function buildERC20HopChain(payer: Wallet, path: DisperseHopPath, erc20Address: string, erc20Amount: bigint, gasPrice: bigint, chainId: number, txType: 0 | 2, payerNonce: number): Promise<string[]>;
/**
 * 构建 BNB 多跳转账链（为 ERC20 中间钱包预留 gas）
 */
export declare function buildBNBHopChainForERC20(payer: Wallet, path: DisperseHopPath, finalGasAmount: bigint, gasPrice: bigint, chainId: number, txType: 0 | 2, payerNonce: number): Promise<string[]>;