chainsafe-bls/types/bls-eth-wasm/index.d.ts

declare module "bls-eth-wasm" {
  export class Common {
    constructor(size: number);

    deserializeHexStr(s: string): void;
    serializeToHexStr(): string;
    dump(msg?: string): string;
    clear(): void;
    clone(): this;
    isEqual(rhs: this): boolean;
    deserialize(v: Uint8Array): void;
    serialize(): Uint8Array;
    add(rhs: this): void;
  }

  export class SecretKeyType extends Common {
    constructor();

    setInt(x: number): void;
    isZero(): boolean;
    setHashOf(a: Uint8Array): void;
    setLittleEndian(a: Uint8Array): void;
    setLittleEndianMod(a: Uint8Array): void;
    setByCSPRNG(): void;
    getPublicKey(): PublicKeyType;
    sign(m: string | Uint8Array): SignatureType;
  }

  export class PublicKeyType extends Common {
    constructor();

    isZero(): boolean;
    deserializeUncompressed(s: Uint8Array): void;
    serializeUncompressed(): Uint8Array;
    isValidOrder(): boolean;
    verify(signature: SignatureType, m: Uint8Array | string): boolean;
  }

  export class SignatureType extends Common {
    constructor();

    deserializeUncompressed(s: Uint8Array): void;
    serializeUncompressed(): Uint8Array;
    isValidOrder(): boolean;
    aggregate(others: SignatureType[]): boolean;
    fastAggregateVerify(publicKeys: PublicKeyType[], message: Uint8Array): boolean;
    aggregateVerifyNoCheck(publicKeys: PublicKeyType[], messages: Uint8Array): boolean;
  }

  export function init(curveType: CurveType): Promise<void>;
  export function blsInit(curveType: CurveType): void;
  export function setETHmode(mode: EthMode): void;

  export function toHex(a: Uint8Array, start: number, length: number): string;
  export function toHexStr(a: Uint8Array): string;
  export function fromHexStr(s: string): Uint8Array;
  export function deserializeHexStrToSecretKey(s: string): SecretKeyType;
  export function deserializeHexStrToPublicKey(s: string): PublicKeyType;
  export function deserializeHexStrToSignature(s: string): SignatureType;

  export function getCurveOrder(): string;
  export function getFieldOrder(): string;
  export function verifySignatureOrder(doVerify: boolean): void;
  export function verifyPublicKeyOrder(doVerify: boolean): void;

  /**
   *
   * @param msgs single array with concatenated messages
   * @param msgSize defaults to MSG_SIZE
   */
  export function areAllMsgDifferent(msgs: Uint8Array, msgSize?: number): boolean;

  /**
   * return true if all pub[i].verify(sigs[i], msgs[i])
   * @param msgs msgs is a concatenation of arrays of 32-byte Uint8Array
   */
  export function multiVerify(pubs: PublicKeyType[], sigs: SignatureType[], msgs: Uint8Array[]): boolean;

  export const SecretKey: typeof SecretKeyType;
  export const PublicKey: typeof PublicKeyType;
  export const Signature: typeof SignatureType;

  export enum EthMode {
    DRAFT_07 = 3,
  }

  export enum CurveType {
    BN254 = 0,
    BLS12_381 = 5,
  }

  export const BN254 = CurveType.BN254;
  export const BLS12_381 = CurveType.BLS12_381;
  export const ethMode = true;
  export const ETH_MODE_DRAFT_07 = EthMode.DRAFT_07;
  export const MSG_SIZE = 32;
}