import { PrivatePoolKeyMaterial } from './keys.cjs';

type SerializedKeyMaterial = {
    v: number;
    rootSk: string;
    spendingSk: string;
    viewingSk: string;
    nullifierSk: string;
    spendingSkField: string;
    nullifierSkField: string;
    spendingPkField: string;
    viewingPk: string;
    paymentAddress: string;
};
type LockIntervalMs = number;
declare const LOCK_INTERVAL_PRESETS: readonly [number, number, number, number, 0];
declare function getLockInterval(walletPubkey: string): number;
declare function setLockInterval(walletPubkey: string, intervalMs: number): void;
declare function lockNow(): void;
declare function saveCachedKeys(walletPubkey: string, keys: PrivatePoolKeyMaterial): Promise<void>;
declare function loadCachedKeys(walletPubkey: string): Promise<PrivatePoolKeyMaterial | null>;
type LoadCacheStatus = {
    kind: 'ok';
    keys: PrivatePoolKeyMaterial;
} | {
    kind: 'no-cache';
} | {
    kind: 'pin-required';
} | {
    kind: 'corrupted';
};
declare function loadCachedKeysWithStatus(walletPubkey: string): Promise<LoadCacheStatus>;
declare function isPinProtected(walletPubkey: string): Promise<boolean>;
declare function isUnlocked(walletPubkey: string): boolean;
declare function setupPin(args: {
    walletPubkey: string;
    pin: string;
    intervalMs?: number;
}): Promise<void>;
declare function unlockWithPin(args: {
    walletPubkey: string;
    pin: string;
}): Promise<boolean>;
declare function removePin(args: {
    walletPubkey: string;
    pin: string;
}): Promise<void>;
declare function changePin(args: {
    walletPubkey: string;
    oldPin: string;
    newPin: string;
    intervalMs?: number;
}): Promise<void>;
declare const BACKUP_FORMAT_NAME = "relai-private-pool-v2-backup";
type BackupFile = {
    format: typeof BACKUP_FORMAT_NAME;
    version: number;
    walletPubkey: string;
    paymentAddress: string;
    createdAt: string;
    keys: SerializedKeyMaterial;
    meta?: {
        note?: string;
    };
};
declare function buildBackupFileJson(args: {
    walletPubkey: string;
    keys: PrivatePoolKeyMaterial;
    note?: string;
}): string;
declare function parseBackupFileJson(raw: string): {
    ok: true;
    keys: PrivatePoolKeyMaterial;
    walletPubkey: string;
    paymentAddress: string;
    createdAt: string;
} | {
    ok: false;
    error: string;
};
declare function setBackupAcknowledged(walletPubkey: string): Promise<boolean>;
declare function hasBackupAcknowledged(walletPubkey: string): Promise<boolean>;
declare function clearCachedKeys(walletPubkey: string): Promise<void>;

export { type BackupFile, LOCK_INTERVAL_PRESETS, type LoadCacheStatus, type LockIntervalMs, buildBackupFileJson, changePin, clearCachedKeys, getLockInterval, hasBackupAcknowledged, isPinProtected, isUnlocked, loadCachedKeys, loadCachedKeysWithStatus, lockNow, parseBackupFileJson, removePin, saveCachedKeys, setBackupAcknowledged, setLockInterval, setupPin, unlockWithPin };