// AS4 Ledger Verification Service
// Verifies chain anchors

import { chainAnchorService } from './chain-anchor.service';
import { logger } from '@/infrastructure/monitoring/logger';

export class LedgerVerificationService {
  /**
   * Verify instruction is anchored on chain
   */
  async verifyInstruction(instructionId: string): Promise<{
    verified: boolean;
    anchorId?: string;
    blockNumber?: number;
  }> {
    const anchor = await chainAnchorService.getAnchorForInstruction(instructionId);

    if (!anchor) {
      return {
        verified: false,
      };
    }

    // TODO: Verify anchor on chain
    // This would query ChainID 138 to verify the transaction exists

    return {
      verified: true,
      anchorId: anchor.anchorId,
      blockNumber: anchor.blockNumber,
    };
  }
}

export const ledgerVerificationService = new LedgerVerificationService();
