@covenance/dlc/dist/utils.d.ts

Crypto and Bitcoin functions for Covenance DLC implementation

import { Point } from './crypto/secp256k1';
import { Signature, SignatureHex, AdaptorSignature, AdaptorSignatureHex } from './crypto/types';
/**
 * Converts a hex string to a Uint8Array
 * @param hex - The hex string to convert
 * @returns The Uint8Array representation of the hex string
 */
export declare function hexToBytes(hex: string): Uint8Array;
/**
 * Converts a Uint8Array to a hex string
 * @param bytes - The Uint8Array to convert
 * @returns The hex string representation of the Uint8Array
 */
export declare function bytesToHex(bytes: Uint8Array): string;
/**
 * Converts a Point to a hex string
 * @param point - The Point to convert
 * @returns The hex string representation of the Point
 */
export declare function pointToHex(point: Point): string;
/**
 * Converts a hex string to a Point
 * @param hex - The hex string to convert
 * @returns The Point representation of the hex string
 */
export declare function hexToPoint(hex: string): Point;
/**
 * Converts a Signature to a hex string representation
 * @param sig - The Signature to convert
 * @returns The hex string representation of the Signature
 */
export declare function signatureToHex(sig: Signature): SignatureHex;
/**
 * Converts a hex string representation to a Signature
 * @param hex - The hex string representation to convert
 * @returns The Signature representation of the hex string
 */
export declare function hexToSignature(hex: SignatureHex): Signature;
/**
 * Converts an AdaptorSignature to a hex string representation
 * @param sig - The AdaptorSignature to convert
 * @returns The hex string representation of the AdaptorSignature
 */
export declare function adaptorSignatureToHex(sig: AdaptorSignature): AdaptorSignatureHex;
/**
 * Converts a hex string representation to an AdaptorSignature
 * @param hex - The hex string representation to convert
 * @returns The AdaptorSignature representation of the hex string
 */
export declare function hexToAdaptorSignature(hex: AdaptorSignatureHex): AdaptorSignature;
/**
 * Computes the hash of a message using SHA256
 * @param message - The message to hash
 * @returns The hash of the message
 */
export declare function sha256(message: Uint8Array): Promise<Uint8Array>;
/**
 * Computes the hash of a message using SHA256 and returns it as a hex string
 * @param message - The message to hash
 * @returns The hex string representation of the hash
 */
export declare function sha256Hex(message: string): Promise<string>;
/**
 * Copies a bigint to a Uint8Array as big-endian
 * @param dst - The Uint8Array to copy to
 * @param offset - The offset to copy to
 * @param n - The bigint to copy
 */
export declare function be32(dst: Uint8Array, offset: number, n: bigint): void;
/**
 * Convert seconds → BIP68 buffer.
 * Uses 512-second granularity, sets the type flag (bit 22).
 * Throws if out of range (> 0xffff * 512 seconds).
 * @param seconds - The number of seconds to convert
 * @returns The BIP68 buffer
 */
export declare function csvTimeDelay(seconds: number): Buffer;
export declare function encodeScriptNum(n: number): Buffer;