export declare enum Blockchain {
    BTC = "BTC",
    ETH = "ETH",
    NEO = "NEO"
}
/**
 * Secp256k1 for BTC, ETH
 * Secp256r1 for NEO
 */
export declare type Curve = 'Secp256k1' | 'Secp256r1';
export declare const BlockchainCurve: Record<Blockchain, Curve>;
export interface PallierPK {
    n: string;
}
export interface Proof {
    correct_key_proof: {
        sigma_vec: string[];
    };
    paillier_pk: PallierPK;
}
export declare type FillPoolFn = (arg: {
    blockchain: Blockchain;
    client_dh_publics: string[];
}) => Promise<string[]>;
export declare type GenerateProofFn = (arg: {}) => Promise<Proof>;
export interface ComputePresigParams {
    apiKey: SignKey;
    blockchain: Blockchain;
    fillPoolFn: FillPoolFn;
    messageHash: string;
}
export interface FillRPoolParams {
    fillPoolFn: FillPoolFn;
    blockchain: Blockchain;
}
export interface CreatePallierPKParams {
    generateProofFn: GenerateProofFn;
}
export interface SignKey {
    client_secret_share: string;
    paillier_pk: PallierPK;
    public_key: string;
    server_secret_share_encrypted: string;
}
export interface PublicKeyFromSecretKeyParams {
    secret: string;
    curve: Curve;
}
export interface CreateApiKeyParams {
    secret: string;
    curve: Curve;
    generateProofFn: GenerateProofFn;
}
export interface GenerateApiKeysParams {
    walletIndices: {
        readonly [key: string]: number;
    };
    secret: string;
    net: string;
    generateProofFn: GenerateProofFn;
}
export interface Presignature {
    presig: string;
    r: string;
}
export declare enum BIP44 {
    BTC = "m/44'/0'/0'/0/0",
    ETH = "m/44'/60'/0'/0/0",
    NEO = "m/44'/888'/0'/0/0"
}
export interface ChildKey {
    client_secret_share: string;
    address: string;
    public_key: string;
    server_secret_share_encrypted: string;
}
export interface APIKey {
    version: number;
    paillier_pk: PallierPK;
    child_keys: Record<BIP44, ChildKey>;
    payload_signing_key: string;
    payload_public_key: string;
}