feat: Waku v2 bridge

Issue #12610

vendor/github.com/libp2p/go-msgio/pbio/interfaces.go

@@ -0,0 +1,40 @@
+// Package pbio reads and writes varint-prefix protobufs, using Google's Protobuf package.
+package pbio
+
+import (
+	"io"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type Writer interface {
+	WriteMsg(proto.Message) error
+}
+
+type WriteCloser interface {
+	Writer
+	io.Closer
+}
+
+type Reader interface {
+	ReadMsg(msg proto.Message) error
+}
+
+type ReadCloser interface {
+	Reader
+	io.Closer
+}
+
+func getSize(v interface{}) (int, bool) {
+	if sz, ok := v.(interface {
+		Size() (n int)
+	}); ok {
+		return sz.Size(), true
+	} else if sz, ok := v.(interface {
+		ProtoSize() (n int)
+	}); ok {
+		return sz.ProtoSize(), true
+	} else {
+		return 0, false
+	}
+}