import { ProjPointType } from '@noble/curves/abstract/weierstrass';
export type Enumerate<N extends number, Acc extends number[] = []> = Acc['length'] extends N ? Acc[number] : Enumerate<N, [...Acc, Acc['length']]>;
export type IntRange<F extends number, T extends number> = Exclude<Enumerate<T>, Enumerate<F>>;
export type MintKeys = {
    [k: string]: Uint8Array;
};
export type SerializedMintKeys = {
    [k: string]: string;
};
export type Keyset = {
    id: string;
    unit: string;
    active: boolean;
};
export type BlindSignature = {
    C_: ProjPointType<bigint>;
    amount: number;
    id: string;
};
export type SerializedBlindSignature = {
    C_: string;
    amount: number;
    id: string;
};
export type DLEQ = {
    s: Uint8Array;
    e: Uint8Array;
    r?: bigint;
};
export type Proof = {
    C: ProjPointType<bigint>;
    secret: Uint8Array;
    amount: number;
    id: string;
    witness?: Witness;
};
export type SerializedProof = {
    C: string;
    secret: string;
    amount: number;
    id: string;
    witness?: string;
};
export type SerializedBlindedMessage = {
    B_: string;
    amount: number;
    witness?: string;
};
export type Secret = [WellKnownSecret, SecretData];
export type WellKnownSecret = 'P2PK';
export type SecretData = {
    nonce: string;
    data: string;
    tags?: string[][];
};
export type Witness = {
    signatures: string[];
};
export type Tags = {
    [k: string]: string;
};
export type SigFlag = 'SIG_INPUTS' | 'SIG_ALL';
export declare function hashToCurve(secret: Uint8Array): ProjPointType<bigint>;
export declare function hash_e(pubkeys: Array<ProjPointType<bigint>>): Uint8Array;
export declare function pointFromBytes(bytes: Uint8Array): import('@noble/curves/abstract/weierstrass').WeierstrassPoint<bigint>;
export declare function pointFromHex(hex: string): import('@noble/curves/abstract/weierstrass').WeierstrassPoint<bigint>;
export declare const getKeysetIdInt: (keysetId: string) => bigint;
export declare function createRandomPrivateKey(): Uint8Array<ArrayBufferLike>;
export declare function serializeMintKeys(mintKeys: MintKeys): SerializedMintKeys;
export declare function deserializeMintKeys(serializedMintKeys: SerializedMintKeys): MintKeys;
export declare function deriveKeysetId(keys: MintKeys): string;