multi: fee estimation timeout parameters

conf: fee estimation timeout in sample config

lnrpc/routerrpc/config.go

@@ -69,6 +69,7 @@ func DefaultConfig() *Config {
 			NodeWeight: routing.DefaultBimodalNodeWeight,
 			DecayTime:  routing.DefaultBimodalDecayTime,
 		},
+		FeeEstimationTimeout: routing.DefaultFeeEstimationTimeout,
 	}
 
 	return &Config{
@@ -96,5 +97,6 @@ func GetRoutingConfig(cfg *Config) *RoutingConfig {
 			NodeWeight: cfg.BimodalConfig.NodeWeight,
 			DecayTime:  cfg.BimodalConfig.DecayTime,
 		},
+		FeeEstimationTimeout: cfg.FeeEstimationTimeout,
 	}
 }

lnrpc/routerrpc/routing_config.go

@@ -41,6 +41,9 @@ type RoutingConfig struct {
 
 	// BimodalConfig defines parameters for the bimodal probability.
 	BimodalConfig *BimodalConfig `group:"bimodal" namespace:"bimodal" description:"configuration for the bimodal pathfinding probability estimator"`
+
+	// FeeEstimationTimeout is the maximum time to wait for routing fees to be estimated.
+	FeeEstimationTimeout time.Duration `long:"fee-estimation-timeout" description:"the maximum time to wait for routing fees to be estimated by payment probes"`
 }
 
 // AprioriConfig defines parameters for the apriori probability.

routing/missioncontrol.go

@@ -62,6 +62,11 @@ const (
 	// have passed since the previously recorded failure before the failure
 	// amount may be raised.
 	DefaultMinFailureRelaxInterval = time.Minute
+
+	// DefaultFeeEstimationTimeout is the default value for
+	// FeeEstimationTimeout. It defines the maximum duration that the
+	// probing fee estimation is allowed to take.
+	DefaultFeeEstimationTimeout = time.Minute
 )
 
 var (

sample-lnd.conf

@@ -1205,6 +1205,9 @@
 ; `Payment_In_FLIGHT` will be sent for compatibility concerns.
 ; routerrpc.usestatusinitiated=false
 
+; Defines the the maximum duration that the probing fee estimation is allowed to
+; take.
+; routerrpc.fee-estimation-timeout=1m
 
 [workers]