eth/client.go
func newClient(cfg *Config, logger log.Logger) (*client, error) {
	logger2 := logger.Add("method", "newClient", "config", cfg)

	u, err := url.Parse(cfg.GethURL)
	if err != nil {
		return nil, err
	}

	ctx, cancel := context.WithCancel(context.Background())

	c := &client{cancel: cancel, cfg: cfg, logger: logger}

	var rpcClient *rpc.Client

	switch u.Scheme {
	case httpProtocol, https:
		httpTransport := transport(cfg.HTTPClient)

		rpcClient, err = rpc.DialHTTPWithClient(cfg.GethURL,
			httpClient(cfg.HTTPClient, httpTransport))

		c.httpTransport = httpTransport
	case ws, wss:
		rpcClient, err = rpc.DialWebsocket(ctx, cfg.GethURL, "")
	case stdIO:
		rpcClient, err = rpc.DialStdIO(ctx)
	case ipc:
		rpcClient, err = rpc.DialIPC(ctx, cfg.GethURL)
	default:
		logger2.Add("scheme", u.Scheme).Error(err.Error())
		return nil, ErrURLScheme
	}
	if err != nil {
		logger2.Error(err.Error())
		return nil, ErrCreateClient
	}

	c.client = ethclient.NewClient(rpcClient)
	return c, nil
}
func newClient(cfg *Config, logger log.Logger) (*client, error) {
	logger2 := logger.Add("method", "newClient", "config", cfg)

	u, err := url.Parse(cfg.GethURL)
	if err != nil {
		return nil, err
	}

	ctx, cancel := context.WithCancel(context.Background())

	c := &client{cancel: cancel, cfg: cfg, logger: logger}

	var rpcClient *rpc.Client

	switch u.Scheme {
	case httpProtocol, https:
		httpTransport := transport(cfg.HTTPClient)

		rpcClient, err = rpc.DialHTTPWithClient(cfg.GethURL,
			httpClient(cfg.HTTPClient, httpTransport))

		c.httpTransport = httpTransport
	case ws, wss:
		rpcClient, err = rpc.DialWebsocket(ctx, cfg.GethURL, "")
	case stdIO:
		rpcClient, err = rpc.DialStdIO(ctx)
	case ipc:
		rpcClient, err = rpc.DialIPC(ctx, cfg.GethURL)
	default:
		logger2.Add("scheme", u.Scheme).Error(err.Error())
		return nil, ErrURLScheme
	}
	if err != nil {
		logger2.Error(err.Error())
		return nil, ErrCreateClient
	}

	c.client = ethclient.NewClient(rpcClient)
	return c, nil
}
func newClient ( cfg * Config , logger log . Logger ) ( * client , error ) { logger2 := logger . Add ( " " , " " , " " , cfg ) u , err := url . Parse ( cfg . GethURL ) if err != nil { return nil , err } ctx , cancel := context . WithCancel ( context . Background ( ) ) c := & client { cancel : cancel , cfg : cfg , logger : logger } var rpcClient * rpc . Client switch u . Scheme { case httpProtocol , https : httpTransport := transport ( cfg . HTTPClient ) rpcClient , err = rpc . DialHTTPWithClient ( cfg . GethURL , httpClient ( cfg . HTTPClient , httpTransport ) ) c . httpTransport = httpTransport case ws , wss : rpcClient , err = rpc . DialWebsocket ( ctx , cfg . GethURL , " " ) case stdIO : rpcClient , err = rpc . DialStdIO ( ctx ) case ipc : rpcClient , err = rpc . DialIPC ( ctx , cfg . GethURL ) default : logger2 . Add ( " " , u . Scheme ) . Error ( err . Error ( ) ) return nil , ErrURLScheme } if err != nil { logger2 . Error ( err . Error ( ) ) return nil , ErrCreateClient } c . client = ethclient . NewClient ( rpcClient ) return c , nil }
// newClient creates client for connection to the Ethereum.
newClient creates client for connection to the Ethereum .