move wrapper files

client/wrapper.go

@@ -0,0 +1,17 @@
+package client
+
+import (
+	"context"
+)
+
+// CallFunc represents the individual call func
+type CallFunc func(ctx context.Context, address string, req Request, rsp interface{}, opts CallOptions) error
+
+// CallWrapper is a low level wrapper for the CallFunc
+type CallWrapper func(CallFunc) CallFunc
+
+// Wrapper wraps a client and returns a client
+type Wrapper func(Client) Client
+
+// StreamWrapper wraps a Stream and returns the equivalent
+type StreamWrapper func(Stream) Stream