/**
 * Stellar wallet utilities for Privy integration
 * Stellar chain type is used for Ed25519 signing required by Canton Network
 */
/**
 * Stellar/Solana wallet interface representing a Privy Ed25519 wallet
 */
export interface CantonWallet {
    /** Wallet address (public key in Stellar/Solana format) */
    address: string;
    /** Raw public key in hex format (camelCase) - only for Stellar */
    publicKey?: string;
    /** Raw public key in hex format (snake_case from Privy API) - only for Stellar */
    public_key?: string;
    /** Chain type: 'stellar' (default) or 'solana' (with export) */
    chainType: 'stellar' | 'solana';
    /** Wallet client type (e.g., 'privy') */
    walletClientType?: string;
    /** Whether the wallet was imported or created */
    imported?: boolean;
}
/**
 * Extracts all Ed25519 wallets (Stellar or Solana) from Privy user and wallets array
 * Combines wallets from both user.linkedAccounts and useWallets hook,
 * removing duplicates by address.
 *
 * @param user - Privy user object
 * @param wallets - Privy wallets array from useWallets hook
 * @param chainType - Chain type to filter by: 'stellar' (default) or 'solana' (with export)
 * @returns Array of unique wallets
 *
 * @example
 * ```ts
 * const { user } = usePrivy();
 * const { wallets } = useWallets();
 * const cantonWallets = getCantonWallets(user, wallets, 'stellar');
 * console.log(`Found ${cantonWallets.length} wallets`);
 * ```
 */
export declare const getCantonWallets: (user: any, wallets: any[], chainType?: "stellar" | "solana") => CantonWallet[];
/**
 * Converts Stellar wallet public key to Canton Network base64 format
 * Handles removal of leading 00 byte and conversion from hex to base64
 *
 * @param wallet - Stellar wallet object containing publicKey
 * @returns Public key in base64 format ready for Canton Network API
 * @throws {Error} If wallet is invalid or publicKey is missing/malformed
 *
 * @example
 * ```ts
 * const publicKeyBase64 = getPublicKeyBase64(stellarWallet);
 * // Use with Canton Network API
 * await fetch('/canton/register/prepare', {
 *   body: JSON.stringify({ publicKey: publicKeyBase64 })
 * });
 * ```
 */
export declare const getPublicKeyBase64: (wallet: CantonWallet | any) => string;
/**
 * Type guard to check if a wallet is a Stellar/Solana Ed25519 wallet
 * @param wallet - Wallet object to check
 * @returns True if wallet is a valid Ed25519 wallet (Stellar or Solana)
 *
 * @example
 * ```ts
 * if (isCantonWallet(wallet)) {
 *   console.log('Ed25519 wallet address:', wallet.address);
 * }
 * ```
 */
export declare const isCantonWallet: (wallet: any) => wallet is CantonWallet;
/**
 * Gets the first Ed25519 wallet from user and wallets array
 * Convenience function that throws if no wallet is found
 *
 * @param user - Privy user object
 * @param wallets - Privy wallets array from useWallets hook
 * @param chainType - Chain type to filter by: 'stellar' (default) or 'solana' (with export)
 * @returns First wallet found
 * @throws {Error} If no wallet found
 *
 * @example
 * ```ts
 * try {
 *   const wallet = getFirstCantonWallet(user, wallets, 'stellar');
 *   console.log('Using wallet:', wallet.address);
 * } catch (err) {
 *   console.error('No wallet available');
 * }
 * ```
 */
export declare const getFirstCantonWallet: (user: any, wallets: any[], chainType?: "stellar" | "solana") => CantonWallet;