common/prpc, tools/cmd/cproto: prpc client

common/errors/transient.go

Index: common/errors/transient.go
diff --git a/common/errors/transient.go b/common/errors/transient.go
index f15c3a9cadb9a0127b3d04320646681d8de91219..4fbef6cfe4a5637fb1b60784b70a853b9fc410c5 100644
--- a/common/errors/transient.go
+++ b/common/errors/transient.go
@@ -17,10 +17,19 @@ type transientWrapper struct {
 	error
 }
 
+var _ interface {
+	Transient
+	Wrapped
+} = transientWrapper{}
+
 func (t transientWrapper) IsTransient() bool {
 	return true
 }
 
+func (t transientWrapper) InnerError() error {
+	return t.error
+}
+
 // IsTransient tests if a given error is Transient.
 func IsTransient(err error) bool {
 	if t, ok := err.(Transient); ok {