/**
 * Hyperliquid Spot Adapter.
 *
 * Uses the same exchange.placeOrder() endpoint as perps — the only difference
 * is the asset index: spot assets use `10000 + spotIndex`.
 *
 * Composes with HyperliquidAdapter for signing and API access.
 */
import type { SpotAdapter, SpotMarketInfo, SpotBalance } from "./spot-interface.js";
import type { HyperliquidAdapter } from "./hyperliquid.js";
export declare class HyperliquidSpotAdapter implements SpotAdapter {
    readonly name = "hyperliquid";
    private _hl;
    private _spotAssetMap;
    private _spotAssetReverse;
    private _spotDecimals;
    private _spotCanonical;
    private _initialized;
    private _cachedMetaCtx;
    constructor(hlAdapter: HyperliquidAdapter);
    /** Load spot metadata from the Hyperliquid spot API */
    init(): Promise<void>;
    private _loadSpotMeta;
    getSpotMarkets(): Promise<SpotMarketInfo[]>;
    getSpotOrderbook(symbol: string): Promise<{
        bids: [string, string][];
        asks: [string, string][];
    }>;
    getSpotBalances(): Promise<SpotBalance[]>;
    spotMarketOrder(symbol: string, side: "buy" | "sell", size: string): Promise<unknown>;
    spotLimitOrder(symbol: string, side: "buy" | "sell", price: string, size: string, opts?: {
        tif?: string;
    }): Promise<unknown>;
    spotCancelOrder(symbol: string, orderId: string): Promise<unknown>;
    /**
     * Transfer USDC between perp and spot accounts.
     * HL uses separate balances — spot buys require USDC in the spot account.
     * Uses SDK's transferBetweenSpotAndPerp (userSignedAction, not L1 action).
     */
    transferUsdcToSpot(amount: number): Promise<unknown>;
    transferUsdcToPerp(amount: number): Promise<unknown>;
    /** Get the spot asset index (without the 10000 offset) */
    getSpotIndex(base: string): number | undefined;
    /** Get spot size decimals for a base token — from API data, not hardcoded */
    getSpotDecimals(base: string): {
        size: number;
        price: number;
    };
    /**
     * Resolve a symbol to its actual spot base token and index.
     * Handles U-token mapping: "BTC" → "UBTC" (Unit protocol bridged token).
     * Throws if no mapping found.
     */
    private _resolveBase;
    /**
     * Get the perp symbol for a spot token.
     * e.g., "UBTC" → "BTC", "ETH" → "ETH"
     */
    getUnderlying(spotBase: string): string;
    /**
     * Validate that an order actually filled.
     * HL API returns status "ok" even for 0-fill IoC orders.
     * Response shape: { status: "ok", response: { type: "order", data: { statuses: [...] } } }
     * Each status is one of: { filled: { totalSz, avgPx, oid } }, { resting: { oid } }, { error: "msg" }
     */
    private _validateOrderFill;
    private _rawPlaceSpotOrder;
    private _signAndSendAction;
    private _infoPost;
}