import { Wallet } from 'ethers';
import type { HoldersMakerChain } from '../../shared/foundation/types/holders-maker.js';
/**
 * 构建 Flap 买入交易
 * 使用 swapExactInput 方法
 */
export declare function buildFlapBuyTx(wallet: Wallet, tokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2, chain: HoldersMakerChain): Promise<string>;
/**
 * 构建 Four 内盘买入交易
 * 使用 buyTokenAMAP 方法
 */
export declare function buildFourBuyTx(wallet: Wallet, tokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2): Promise<string>;
/**
 * 构建 DAOaaS 内盘买入交易 (ENI 链)
 * EGAS → Token (使用 DAOaaS Portal buy)
 */
export declare function buildDaoaasBuyTx(wallet: Wallet, tokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number): Promise<string>;
/**
 * 构建 V2 买入交易
 * BNB/OKB → Token (使用 swapExactETHForTokensSupportingFeeOnTransferTokens)
 */
export declare function buildV2BuyTx(wallet: Wallet, tokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2, v2Path?: string[], chain?: HoldersMakerChain, v2RouterOverride?: string): Promise<string>;
/**
 * 构建 V3 单跳买入交易
 * BNB/OKB → Token (使用 exactInputSingle + multicall)
 *
 * ✅ 修复：根据链类型选择正确的 Router ABI 版本
 * - XLayer/Monad: 旧版 Router（exactInputSingle 包含 deadline，multicall(bytes[])）
 * - BSC: 新版 SwapRouter02（exactInputSingle 不含 deadline，multicall(uint256,bytes[])）
 */
export declare function buildV3BuyTx(wallet: Wallet, tokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2, v3Fee?: number, // 默认 0.25% 手续费
chain?: HoldersMakerChain): Promise<string>;
/**
 * 构建 V2 买入交易（ERC20 输入）
 * USDT/USDC → Token (使用 swapExactTokensForTokensSupportingFeeOnTransferTokens)
 */
export declare function buildV2BuyTxWithERC20(wallet: Wallet, tokenAddress: string, baseTokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2, v2RouterOverride?: string, chain?: HoldersMakerChain): Promise<string>;
/**
 * 构建 V3 买入交易（ERC20 输入）
 * USDT/USDC → Token (使用 exactInputSingle + multicall)
 *
 * ✅ 修复：使用 ethers.Interface 手动编码 calldata，避免 multicall 重载问题
 */
export declare function buildV3BuyTxWithERC20(wallet: Wallet, tokenAddress: string, baseTokenAddress: string, buyAmount: bigint, nonce: number, gasPrice: bigint, gasLimit: number, chainId: number, txType: 0 | 2, v3Fee?: number): Promise<string>;