lnd: use impl cfg TlvTrafficShaper

Author: GeorgeTsagk

config_builder.go

@@ -44,6 +44,7 @@ import (
 	"github.com/lightningnetwork/lnd/lnwallet/rpcwallet"
 	"github.com/lightningnetwork/lnd/macaroons"
 	"github.com/lightningnetwork/lnd/msgmux"
+	"github.com/lightningnetwork/lnd/routing"
 	"github.com/lightningnetwork/lnd/rpcperms"
 	"github.com/lightningnetwork/lnd/signal"
 	"github.com/lightningnetwork/lnd/sqldb"
@@ -159,6 +160,10 @@ type AuxComponents struct {
 	// channels to fetch+store various data.
 	AuxLeafStore fn.Option[lnwallet.AuxLeafStore]
 
+	// TrafficShaper is an optional traffic shaper that can be used to
+	// control the outgoing channel of a payment.
+	TrafficShaper fn.Option[routing.TlvTrafficShaper]
+
 	// MsgRouter is an optional message router that if set will be used in
 	// place of a new blank default message router.
 	MsgRouter fn.Option[msgmux.Router]

server.go

@@ -1022,6 +1022,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr,
 		Clock:              clock.NewDefaultClock(),
 		ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate,
 		ClosedSCIDs:        s.fetchClosedChannelSCIDs(),
+		TrafficShaper:      implCfg.TrafficShaper,
 	})
 	if err != nil {
 		return nil, fmt.Errorf("can't create router: %w", err)