routerrpc: embed routing config

lnrpc/routerrpc/config.go

@@ -3,26 +3,25 @@ package routerrpc
 import (
 	"time"
 
-	"github.com/lightningnetwork/lnd/lnwire"
+	"github.com/btcsuite/btcutil"
 )
 
 // RoutingConfig contains the configurable parameters that control routing.
 type RoutingConfig struct {
-	// PenaltyHalfLife defines after how much time a penalized node or
-	// channel is back at 50% probability.
-	PenaltyHalfLife time.Duration
-
-	// PaymentAttemptPenalty is the virtual cost in path finding weight
-	// units of executing a payment attempt that fails. It is used to trade
-	// off potentially better routes against their probability of
-	// succeeding.
-	PaymentAttemptPenalty lnwire.MilliSatoshi
-
-	// MinProbability defines the minimum success probability of the
-	// returned route.
-	MinRouteProbability float64
+	// MinRouteProbability is the minimum required route success probability
+	// to attempt the payment.
+	MinRouteProbability float64 `long:"minrtprob" description:"Minimum required route success probability to attempt the payment"`
 
 	// AprioriHopProbability is the assumed success probability of a hop in
 	// a route when no other information is available.
-	AprioriHopProbability float64
+	AprioriHopProbability float64 `long:"apriorihopprob" description:"Assumed success probability of a hop in a route when no other information is available."`
+
+	// PenaltyHalfLife defines after how much time a penalized node or
+	// channel is back at 50% probability.
+	PenaltyHalfLife time.Duration `long:"penaltyhalflife" description:"Defines the duration after which a penalized node or channel is back at 50% probability"`
+
+	// AttemptCost is the virtual cost in path finding weight units of
+	// executing a payment attempt that fails. It is used to trade off
+	// potentially better routes against their probability of succeeding.
+	AttemptCost btcutil.Amount `long:"attemptcost" description:"The (virtual) cost in sats of a failed payment attempt"`
 }

lnrpc/routerrpc/config_active.go

@@ -3,10 +3,6 @@
 package routerrpc
 
 import (
-	"time"
-
-	"github.com/btcsuite/btcutil"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/macaroons"
 	"github.com/lightningnetwork/lnd/routing"
 )
@@ -17,28 +13,13 @@ import (
 // options, while if able to be populated, the latter fields MUST also be
 // specified.
 type Config struct {
+	RoutingConfig
+
 	// RouterMacPath is the path for the router macaroon. If unspecified
 	// then we assume that the macaroon will be found under the network
 	// directory, named DefaultRouterMacFilename.
 	RouterMacPath string `long:"routermacaroonpath" description:"Path to the router macaroon"`
 
-	// MinProbability is the minimum required route success probability to
-	// attempt the payment.
-	MinRouteProbability float64 `long:"minrtprob" description:"Minimum required route success probability to attempt the payment"`
-
-	// AprioriHopProbability is the assumed success probability of a hop in
-	// a route when no other information is available.
-	AprioriHopProbability float64 `long:"apriorihopprob" description:"Assumed success probability of a hop in a route when no other information is available."`
-
-	// PenaltyHalfLife defines after how much time a penalized node or
-	// channel is back at 50% probability.
-	PenaltyHalfLife time.Duration `long:"penaltyhalflife" description:"Defines the duration after which a penalized node or channel is back at 50% probability"`
-
-	// AttemptCost is the virtual cost in path finding weight units of
-	// executing a payment attempt that fails. It is used to trade off
-	// potentially better routes against their probability of succeeding.
-	AttemptCost int64 `long:"attemptcost" description:"The (virtual) cost in sats of a failed payment attempt"`
-
 	// NetworkDir is the main network directory wherein the router rpc
 	// server will find the macaroon named DefaultRouterMacFilename.
 	NetworkDir string
@@ -62,13 +43,16 @@ type Config struct {
 
 // DefaultConfig defines the config defaults.
 func DefaultConfig() *Config {
-	return &Config{
+	defaultRoutingConfig := RoutingConfig{
 		AprioriHopProbability: routing.DefaultAprioriHopProbability,
 		MinRouteProbability:   routing.DefaultMinRouteProbability,
 		PenaltyHalfLife:       routing.DefaultPenaltyHalfLife,
-		AttemptCost: int64(
-			routing.DefaultPaymentAttemptPenalty.ToSatoshis(),
-		),
+		AttemptCost: routing.DefaultPaymentAttemptPenalty.
+			ToSatoshis(),
+	}
+
+	return &Config{
+		RoutingConfig: defaultRoutingConfig,
 	}
 }
 
@@ -77,9 +61,7 @@ func GetRoutingConfig(cfg *Config) *RoutingConfig {
 	return &RoutingConfig{
 		AprioriHopProbability: cfg.AprioriHopProbability,
 		MinRouteProbability:   cfg.MinRouteProbability,
-		PaymentAttemptPenalty: lnwire.NewMSatFromSatoshis(
-			btcutil.Amount(cfg.AttemptCost),
-		),
-		PenaltyHalfLife: cfg.PenaltyHalfLife,
+		AttemptCost:           cfg.AttemptCost,
+		PenaltyHalfLife:       cfg.PenaltyHalfLife,
 	}
 }

lnrpc/routerrpc/config_default.go

@@ -19,7 +19,8 @@ func GetRoutingConfig(cfg *Config) *RoutingConfig {
 	return &RoutingConfig{
 		AprioriHopProbability: routing.DefaultAprioriHopProbability,
 		MinRouteProbability:   routing.DefaultMinRouteProbability,
-		PaymentAttemptPenalty: routing.DefaultPaymentAttemptPenalty,
-		PenaltyHalfLife:       routing.DefaultPenaltyHalfLife,
+		AttemptCost: routing.DefaultPaymentAttemptPenalty.
+			ToSatoshis(),
+		PenaltyHalfLife: routing.DefaultPenaltyHalfLife,
 	}
 }

server.go

@@ -662,12 +662,14 @@ func newServer(listenAddrs []net.Addr, chanDB *channeldb.DB,
 
 	srvrLog.Debugf("Instantiating payment session source with config: "+
 		"PaymentAttemptPenalty=%v, MinRouteProbability=%v",
-		int64(routingConfig.PaymentAttemptPenalty.ToSatoshis()),
+		int64(routingConfig.AttemptCost),
 		routingConfig.MinRouteProbability)
 
 	pathFindingConfig := routing.PathFindingConfig{
-		PaymentAttemptPenalty: routingConfig.PaymentAttemptPenalty,
-		MinProbability:        routingConfig.MinRouteProbability,
+		PaymentAttemptPenalty: lnwire.NewMSatFromSatoshis(
+			routingConfig.AttemptCost,
+		),
+		MinProbability: routingConfig.MinRouteProbability,
 	}
 
 	paymentSessionSource := &routing.SessionSource{