@btc-vision/transaction/browser/epoch/validator/EpochValidator.d.ts

OPNet transaction library allows you to create and sign transactions for the OPNet network.

import { IChallengeSolution, RawChallenge } from '../interfaces/IChallengeSolution.js';
export declare class EpochValidator {
    private static readonly BLOCKS_PER_EPOCH;
    /**
     * Calculate SHA-1 hash
     */
    static sha1(data: Uint8Array): Uint8Array;
    /**
     * Calculate mining preimage
     */
    static calculatePreimage(checksumRoot: Uint8Array, publicKey: Uint8Array, salt: Uint8Array): Uint8Array;
    /**
     * Count matching bits between two hashes
     */
    static countMatchingBits(hash1: Uint8Array, hash2: Uint8Array): number;
    /**
     * Verify an epoch solution using IPreimage
     */
    static verifySolution(challenge: IChallengeSolution, log?: boolean): boolean;
    /**
     * Get the mining target block for an epoch
     */
    static getMiningTargetBlock(epochNumber: bigint): bigint | null;
    /**
     * Validate epoch winner from raw data
     */
    static validateEpochWinner(epochData: RawChallenge): boolean;
    /**
     * Validate epoch winner from Preimage instance
     */
    static validateChallengeSolution(challenge: IChallengeSolution): boolean;
    /**
     * Calculate solution hash from preimage components
     * @param targetChecksum The target checksum (32 bytes)
     * @param publicKey The public key buffer (32 bytes)
     * @param salt The salt buffer (32 bytes)
     * @returns The SHA-1 hash of the preimage
     */
    static calculateSolution(targetChecksum: Uint8Array, publicKey: Uint8Array, salt: Uint8Array): Uint8Array;
    /**
     * Check if a solution meets the minimum difficulty requirement
     */
    static checkDifficulty(solution: Uint8Array, targetHash: Uint8Array, minDifficulty: number): {
        valid: boolean;
        difficulty: number;
    };
}
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