[#276] Merge repo with frostfs-api-go

Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

api/rpc/client/client.go

@@ -0,0 +1,30 @@
+package client
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto/encoding"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+)
+
+// Client represents client for exchanging messages
+// with a remote server using Protobuf RPC.
+type Client struct {
+	cfg
+}
+
+// New creates, configures via options and returns new Client instance.
+func New(opts ...Option) *Client {
+	var c Client
+	c.initDefault()
+
+	for _, opt := range opts {
+		opt(&c.cfg)
+	}
+
+	c.grpcDialOpts = append(c.grpcDialOpts, grpc.WithDefaultCallOptions(grpc.ForceCodec(encoding.ProtoCodec{})))
+	if c.tlsCfg != nil {
+		c.grpcDialOpts = append(c.grpcDialOpts, grpc.WithTransportCredentials(credentials.NewTLS(c.tlsCfg)))
+	}
+
+	return &c
+}