multi: update to lnd 0.13.0-beta

We update the compile time dependency of lnd to version 0.13.0-beta to
make it easier to run aperture in the same process as other projects
which also updated.
The runtime dependency is still kept at v0.12.0-beta as we don't use any
new RPCs.

log.go

@@ -6,39 +6,50 @@ import (
 	"github.com/lightninglabs/aperture/lsat"
 	"github.com/lightninglabs/aperture/proxy"
 	"github.com/lightninglabs/lndclient"
+	"github.com/lightningnetwork/lnd"
 	"github.com/lightningnetwork/lnd/build"
+	"github.com/lightningnetwork/lnd/signal"
 )
 
 const Subsystem = "APER"
 
 var (
 	logWriter = build.NewRotatingLogWriter()
-
-	log = build.NewSubLogger(Subsystem, logWriter.GenSubLogger)
+	log       = build.NewSubLogger(Subsystem, nil)
 )
 
-func init() {
-	setSubLogger(Subsystem, log, nil)
-	addSubLogger(auth.Subsystem, auth.UseLogger)
-	addSubLogger(lsat.Subsystem, lsat.UseLogger)
-	addSubLogger(proxy.Subsystem, proxy.UseLogger)
-	addSubLogger("LNDC", lndclient.UseLogger)
+// SetupLoggers initializes all package-global logger variables.
+func SetupLoggers(root *build.RotatingLogWriter, intercept signal.Interceptor) {
+	genLogger := genSubLogger(root, intercept)
+
+	logWriter = root
+	log = build.NewSubLogger(Subsystem, genLogger)
+
+	lnd.SetSubLogger(root, Subsystem, log)
+	lnd.AddSubLogger(root, auth.Subsystem, intercept, auth.UseLogger)
+	lnd.AddSubLogger(root, lsat.Subsystem, intercept, lsat.UseLogger)
+	lnd.AddSubLogger(root, proxy.Subsystem, intercept, proxy.UseLogger)
+	lnd.AddSubLogger(root, "LNDC", intercept, lndclient.UseLogger)
 }
 
-// addSubLogger is a helper method to conveniently create and register the
-// logger of a sub system.
-func addSubLogger(subsystem string, useLogger func(btclog.Logger)) {
-	logger := build.NewSubLogger(subsystem, logWriter.GenSubLogger)
-	setSubLogger(subsystem, logger, useLogger)
-}
+// genSubLogger creates a logger for a subsystem. We provide an instance of
+// a signal.Interceptor to be able to shutdown in the case of a critical error.
+func genSubLogger(root *build.RotatingLogWriter,
+	interceptor signal.Interceptor) func(string) btclog.Logger {
 
-// setSubLogger is a helper method to conveniently register the logger of a sub
-// system.
-func setSubLogger(subsystem string, logger btclog.Logger,
-	useLogger func(btclog.Logger)) {
+	// Create a shutdown function which will request shutdown from our
+	// interceptor if it is listening.
+	shutdown := func() {
+		if !interceptor.Listening() {
+			return
+		}
 
-	logWriter.RegisterSubLogger(subsystem, logger)
-	if useLogger != nil {
-		useLogger(logger)
+		interceptor.RequestShutdown()
+	}
+
+	// Return a function which will create a sublogger from our root
+	// logger without shutdown fn.
+	return func(tag string) btclog.Logger {
+		return root.GenSubLogger(tag, shutdown)
 	}
 }