dapp.config.service.ts

import { FileUtils } from "@multiversx/sdk-nestjs-common";
import { Injectable } from "@nestjs/common";
import { ApiConfigService } from "src/common/api-config/api.config.service";
import { DappConfig } from "./entities/dapp-config";
import { GatewayService } from "src/common/gateway/gateway.service";

@Injectable()
export class DappConfigService {
  private readonly dappConfig: DappConfig | undefined;

  constructor(
    private readonly apiConfigService: ApiConfigService,
    private readonly gatewayService: GatewayService,
  ) {
    this.dappConfig = this.getDappConfigurationRaw();
  }

  async getDappConfiguration(): Promise<DappConfig | undefined> {
    if (!this.dappConfig) {
      return undefined;
    }

    const networkConfig = await this.gatewayService.getNetworkConfig();
    const refreshRate = networkConfig.erd_round_duration;
    const chainId = networkConfig.erd_chain_id;

    const overrides: Partial<DappConfig> = {};

    //TODO: remove after battle of nodes
    if (chainId === 'B') {
      overrides.walletAddress = "https://bon-wallet.multiversx.com";
      overrides.apiAddress = "https://api.battleofnodes.com";
      overrides.explorerAddress = "https://bon-explorer.multiversx.com";
      overrides.id = "bon";
      overrides.name = "BattleOfNodes";
    }

    if (refreshRate != null) {
      overrides.refreshRate = refreshRate;
    }
    if (chainId != null) {
      overrides.chainId = chainId;
    }

    return {
      ...this.dappConfig,
      ...overrides,
    };
  }

  getDappConfigurationRaw(): DappConfig | undefined {
    const network = this.apiConfigService.getNetwork();
    const configuration = FileUtils.parseJSONFile(`./config/dapp.config.${network}.json`);

    return configuration;
  }
}