blockchain.service.ts

// blockchain.service.ts
import { Injectable, Logger } from '@nestjs/common';
import { ethers } from 'ethers';
import { ProviderFactory } from './providers/provider.factory';
import { SupportedChain } from './enums/supported-chain.enum';

@Injectable()
export class BlockchainService {
  private readonly logger = new Logger(BlockchainService.name);
  private providers = new Map<SupportedChain, ethers.JsonRpcProvider>();

  constructor() {
    Object.values(SupportedChain).forEach(chain => {
      this.providers.set(chain, ProviderFactory.create(chain));
    });
  }

  getProvider(chain: SupportedChain) {
    return this.providers.get(chain);
  }

  async getNetworkStatus(chain: SupportedChain) {
    const provider = this.getProvider(chain);
    const block = await provider.getBlockNumber();

    return {
      chain,
      latestBlock: block,
      healthy: true,
    };
  }
}