/**
 * Wallet & keypair management for the Leviathan.
 *
 * Port of automaton-main/src/identity/wallet.ts, adapted for Solana keypairs.
 *
 * The Leviathan's keypair IS its identity. Sealed at spawn time, never logged
 * in plaintext, persisted to ~/.openclawd/keystore.json with file-mode 0600.
 */
import { Keypair, PublicKey } from '@solana/web3.js';
declare const SHELL_DIR: string;
declare const KEYSTORE_PATH: string;
/** Generate a new keypair and seal it to the keystore. Throws if a keystore already exists. */
export declare function spawnKeypair(): Keypair;
/** Load the existing keypair. Returns null if no keystore exists. */
export declare function loadKeypair(): Keypair | null;
/** Hard-fail load — for runtime paths that require an identity. */
export declare function requireKeypair(): Keypair;
/** Return the leviathan's pubkey as a base58 string. */
export declare function getPubkey(): string | null;
/** Convenience: return the keystore metadata (pubkey, spawn time). */
export declare function readKeystoreMetadata(): {
    pubkey: string;
    spawnedAt: number;
} | null;
/** Returns true if a keypair exists on disk. */
export declare function hasKeystore(): boolean;
/** Export the secret key as base58 — for `openclawd export-key`. Treat with care. */
export declare function exportSecretBase58(): string;
/** Sanity check the keypair file is mode 0600. Refuse to use it otherwise. */
export declare function assertKeystorePermissions(): void;
export { KEYSTORE_PATH, SHELL_DIR };
export declare const _internals: {
    PublicKey: typeof PublicKey;
};