/**
 * Algorand Chain Adapter
 *
 * Builds Algorand transactions using MessagePack serialization,
 * attaches Ed25519 signatures from the FROST threshold signing
 * network, and broadcasts via Algod API.
 *
 * Note: Algorand Ed25519 signs the raw bytes ("TX" prefix + msgpack),
 * NOT a hash of them.
 *
 * Requires: npm install algosdk
 */
import { ChainAdapter, AlgorandTransaction } from '../core/types';
export declare class AlgorandAdapter implements ChainAdapter {
    private rpcUrl;
    private network;
    private algosdk;
    private client;
    constructor(network?: 'mainnet' | 'testnet', rpcUrl?: string);
    getRpcUrl(): string;
    /**
     * Build an unsigned Algorand payment transaction.
     *
     * The signing payload is "TX" + MessagePack-encoded transaction.
     * Algorand signs the RAW BYTES directly (not a hash).
     */
    buildTransaction(tx: AlgorandTransaction, fromAddress: string): Promise<string>;
    getSigningPayload(unsignedTx: string): string;
    /**
     * Attach an Ed25519 signature to the Algorand transaction
     */
    attachSignature(unsignedTx: string, signature: string): Promise<string>;
    /**
     * Broadcast a signed Algorand transaction
     */
    broadcast(signedTx: string): Promise<string>;
    /**
     * Get ALGO balance in microAlgos
     */
    getBalance(address: string): Promise<string>;
}
export declare function createAlgorandAdapter(rpcUrl?: string): AlgorandAdapter;
export declare function createAlgorandTestnetAdapter(rpcUrl?: string): AlgorandAdapter;
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