/**
 * XLayer Portal 操作 — 查询器（query）
 */
import { JsonRpcProvider } from 'ethers';
export interface PortalQueryConfig {
    rpcUrl?: string;
    chainId?: number;
    portalAddress?: string;
}
/**
 * Portal 查询器
 *
 * 提供只读查询方法：
 * - 代币余额
 * - 授权额度
 * - 预览买入/卖出
 * - 代币状态
 */
export declare class PortalQuery {
    private provider;
    private portal;
    private portalAddress;
    constructor(config?: PortalQueryConfig);
    private multicallAggregate3;
    /**
     * 获取 Provider
     */
    getProvider(): JsonRpcProvider;
    /**
     * 获取 Portal 地址
     */
    getPortalAddress(): string;
    /**
     * 获取代币余额
     */
    getTokenBalance(tokenAddress: string, account: string): Promise<bigint>;
    /**
     * 获取 OKB 余额
     */
    getOkbBalance(account: string): Promise<bigint>;
    /**
     * 获取授权额度
     */
    getAllowance(tokenAddress: string, owner: string, spender?: string): Promise<bigint>;
    /**
     * 检查是否需要授权
     */
    needsApproval(tokenAddress: string, owner: string, amount: bigint, spender?: string): Promise<boolean>;
    /**
     * 预览买入输出
     */
    previewBuy(tokenAddress: string, okbAmount: bigint): Promise<bigint>;
    /**
     * 预览卖出输出
     */
    previewSell(tokenAddress: string, tokenAmount: bigint): Promise<bigint>;
    /**
     * 使用 quoteExactInput 查询报价
     */
    quoteExactInput(inputToken: string, outputToken: string, inputAmount: bigint): Promise<bigint>;
    /**
     * 获取代币状态 V5
     */
    getTokenV5(tokenAddress: string): Promise<{
        status: number;
        reserve: bigint;
        circulatingSupply: bigint;
        price: bigint;
        tokenVersion: number;
        r: bigint;
        h: bigint;
        k: bigint;
        dexSupplyThresh: bigint;
        quoteTokenAddress: string;
        nativeToQuoteSwapEnabled: boolean;
        extensionID: string;
    }>;
    /**
     * 获取代币状态 V7 (包含 lpFeeProfile)
     *
     * ✅ 修复：与 BSC portal.ts 对齐，使用 16 字段结构
     */
    getTokenV7(tokenAddress: string): Promise<{
        status: number;
        reserve: bigint;
        circulatingSupply: bigint;
        price: bigint;
        tokenVersion: number;
        r: bigint;
        h: bigint;
        k: bigint;
        dexSupplyThresh: bigint;
        quoteTokenAddress: string;
        nativeToQuoteSwapEnabled: boolean;
        extensionID: string;
        taxRate: number;
        pool: string;
        progress: bigint;
        lpFeeProfile: number;
    }>;
    /**
     * 批量获取多个账户的代币余额
     */
    getMultipleTokenBalances(tokenAddress: string, accounts: string[]): Promise<Map<string, bigint>>;
    /**
     * 批量获取多个账户的 OKB 余额
     */
    getMultipleOkbBalances(accounts: string[]): Promise<Map<string, bigint>>;
    /**
     * 批量获取授权额度
     */
    getMultipleAllowances(tokenAddress: string, owners: string[], spender?: string): Promise<Map<string, bigint>>;
}
/**
 * 创建 Portal 查询器
 */
export declare function createPortalQuery(config?: PortalQueryConfig): PortalQuery;