import { logger } from '../../utils/logger';

export interface ComputationProof {
  proofId: string;
  hash: string;
  status: string;
  timestamp: number;
  nodeId: string;
}

/**
 * Proof of Computation Service
 * @description 计算证明服务，用于验证计算的正确性
 */
export class ProofOfComputationService {
  /**
   * 注册证明
   */
  static async registerProof(hash: string, status: string) {
    logger.info(`[ProofOfComputationService] Registered proof: ${hash} with status: ${status}`);
    // 这里可以添加注册证明的逻辑
  }

  /**
   * 生成证明
   */
  static generateProof(payload: any, rawResult: any, nodeId: string): ComputationProof {
    logger.info(`[ProofOfComputationService] Generating proof for node: ${nodeId}`);
    
    const proofId = 'proof_' + Math.random().toString(36).substring(7);
    const hash = 'hash_' + Math.random().toString(36).substring(7);
    
    return {
      proofId,
      hash,
      status: 'VALID',
      timestamp: Date.now(),
      nodeId
    };
  }
}