From b2646edc527c08ca47ec2aaeaa02efb035a0116a Mon Sep 17 00:00:00 2001
From: ErikEk <erik.ek@gmail.com>
Date: Mon, 23 Aug 2021 05:03:50 +0200
Subject: [PATCH] neutrinorpc: logger

---
 lnrpc/neutrinorpc/log.go | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 lnrpc/neutrinorpc/log.go

diff --git a/lnrpc/neutrinorpc/log.go b/lnrpc/neutrinorpc/log.go
new file mode 100644
index 000000000..fb2cd79ec
--- /dev/null
+++ b/lnrpc/neutrinorpc/log.go
@@ -0,0 +1,32 @@
+package neutrinorpc
+
+import (
+	"github.com/btcsuite/btclog"
+	"github.com/lightningnetwork/lnd/build"
+)
+
+// log is a logger that is initialized with no output filters.  This
+// means the package will not perform any logging by default until the caller
+// requests it.
+var log btclog.Logger
+
+// Subsystem defines the logging code for this subsystem.
+const Subsystem = "NRPC"
+
+// The default amount of logging is none.
+func init() {
+	UseLogger(build.NewSubLogger(Subsystem, nil))
+}
+
+// DisableLog disables all library log output.  Logging output is disabled
+// by default until UseLogger is called.
+func DisableLog() {
+	UseLogger(btclog.Disabled)
+}
+
+// UseLogger uses a specified Logger to output package logging info.
+// This should be used in preference to SetLogWriter if the caller is also
+// using btclog.
+func UseLogger(logger btclog.Logger) {
+	log = logger
+}