/**
 * Tezos Chain Adapter
 *
 * Builds Tezos transactions using binary encoding, attaches secp256k1
 * ECDSA signatures from the FROST threshold signing network, and
 * broadcasts via Tezos RPC.
 *
 * Uses tz2 (secp256k1) addresses, which align with Sequence0's
 * default secp256k1 curve.
 *
 * Requires: npm install @taquito/taquito
 */
import { ChainAdapter, TezosTransaction } from '../core/types';
export declare class TezosAdapter implements ChainAdapter {
    private rpcUrl;
    private network;
    private taquito;
    constructor(network?: 'mainnet' | 'ghostnet', rpcUrl?: string);
    getRpcUrl(): string;
    /**
     * Build an unsigned Tezos transaction.
     *
     * The signing payload is Blake2b-256(0x03 + forged_operation_bytes)
     * where 0x03 is the "generic operation" watermark.
     */
    buildTransaction(tx: TezosTransaction, fromAddress: string): Promise<string>;
    getSigningPayload(unsignedTx: string): string;
    /**
     * Attach a secp256k1 ECDSA signature to the Tezos transaction
     */
    attachSignature(unsignedTx: string, signature: string): Promise<string>;
    /**
     * Broadcast a signed Tezos transaction
     */
    broadcast(signedTx: string): Promise<string>;
    /**
     * Get XTZ balance in mutez
     */
    getBalance(address: string): Promise<string>;
}
export declare function createTezosAdapter(rpcUrl?: string): TezosAdapter;
export declare function createTezosGhostnetAdapter(rpcUrl?: string): TezosAdapter;
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