log: static address loop-in logging

Author: hieblmi

staticaddr/log.go

@@ -4,6 +4,7 @@ import (
 	"github.com/btcsuite/btclog"
 	"github.com/lightninglabs/loop/staticaddr/address"
 	"github.com/lightninglabs/loop/staticaddr/deposit"
+	"github.com/lightninglabs/loop/staticaddr/loopin"
 	"github.com/lightninglabs/loop/staticaddr/withdraw"
 	"github.com/lightningnetwork/lnd/build"
 )
@@ -27,4 +28,5 @@ func UseLogger(logger btclog.Logger) {
 	address.UseLogger(log)
 	deposit.UseLogger(log)
 	withdraw.UseLogger(log)
+	loopin.UseLogger(log)
 }

staticaddr/loopin/log.go

@@ -0,0 +1,24 @@
+package loopin
+
+import (
+	"github.com/btcsuite/btclog"
+	"github.com/lightningnetwork/lnd/build"
+)
+
+// Subsystem defines the sub system name of this package.
+const Subsystem = "SADDR"
+
+// 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
+
+// The default amount of logging is none.
+func init() {
+	UseLogger(build.NewSubLogger(Subsystem, nil))
+}
+
+// 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
+}