Function performConnection

packages/node-core/src/api.service.ts:139–165

(
    createConnection: (endpoint: string, config: EndpointConfig) => Promise<Connection>,
    network: ProjectNetworkConfig & {chainId: string},
    index: number,
    endpoint: string,
    config: EndpointConfig,
    postConnectedHook?: (connection: Connection, endpoint: string, index: number) => void
  )

  }

  private async performConnection(
    createConnection: (endpoint: string, config: EndpointConfig) => Promise<Connection>,
    network: ProjectNetworkConfig & {chainId: string},
    index: number,
    endpoint: string,
    config: EndpointConfig,
    postConnectedHook?: (connection: Connection, endpoint: string, index: number) => void
  ): Promise<Connection> {
    const connection = await createConnection(endpoint, config);

    this.assertChainId(network, connection);
    if (!this._networkMeta) {
      this._networkMeta = connection.networkMeta;
    }

    this.eventEmitter.emit(IndexerEvent.ApiConnected, {
      value: 1,
      apiIndex: index,
      endpoint: endpoint,
    });

    if (postConnectedHook) {
      postConnectedHook(connection, endpoint, index);
    }

    return connection;
  }

  retryConnection(...args: Parameters<ApiService<A, SA, B, Connection, EndpointConfig>['performConnection']>): void {
    const endpoint = args[3];