import type { Connection, PublicKey } from "@solana/web3.js";
import type { ClientContext } from "./context";
import type { Exchange, GlobalDepositToken } from "./program/types";
export declare class Rpc {
    private readonly client;
    constructor(client: ClientContext);
    /**
     * Get the currently-active Connection, or throw if not configured.
     *
     * Prefer the typed methods (getExchange, etc.) — they include automatic
     * failover. Direct use of inner() bypasses the retry/failover wrapper.
     */
    inner(): Connection;
    getExchangePda(): PublicKey;
    getGlobalDepositTokenPda(mint: PublicKey): PublicKey;
    getUserGlobalDepositPda(user: PublicKey, mint: PublicKey): PublicKey;
    getLatestBlockhash(): Promise<{
        blockhash: string;
        lastValidBlockHeight: number;
    }>;
    getExchange(): Promise<Exchange>;
    getGlobalDepositToken(mint: PublicKey): Promise<GlobalDepositToken>;
}
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