Merge pull request #6815 from bitromortac/2205-bimodal

pathfinding: probability for bimodal distribution

sample-lnd.conf

@@ -1105,21 +1105,23 @@ litecoin.node=ltcd
 
 [routerrpc]
 
+; Probability estimator used for pathfinding. (default: apriori)
+; routerrpc.estimator=[apriori|bimodal]
+
 ; Minimum required route success probability to attempt the payment (default:
 ; 0.01)
 ; routerrpc.minrtprob=1
 
-; Assumed success probability of a hop in a route when no other information is
-; available. (default: 0.6)
-; routerrpc.apriorihopprob=0.2
+; The maximum number of payment results that are held on disk by mission control
+; (default: 1000)
+; routerrpc.maxmchistory=900
 
-; Weight of the a priori probability in success probability estimation. Valid
-; values are in [0, 1]. (default: 0.5)
-; routerrpc.aprioriweight=0.3
+; The time interval with which the MC store state is flushed to the database
+; (default: 1s)
+; routerrpc.mcflushinterval=1m
 
-; Defines the duration after which a penalized node or channel is back at 50%
-; probability (default: 1h0m0s)
-; routerrpc.penaltyhalflife=2h
+; Path to the router macaroon
+; routerrpc.routermacaroonpath=~/.lnd/data/chain/bitcoin/simnet/router.macaroon
 
 ; The (virtual) fixed cost in sats of a failed payment attempt (default: 100)
 ; routerrpc.attemptcost=90
@@ -1128,15 +1130,32 @@ litecoin.node=ltcd
 ; attempt (default: 1000)
 ; routerrpc.attemptcostppm=900
 
-; The maximum number of payment results that are held on disk by mission control
-; (default: 1000)
-; routerrpc.maxmchistory=900
+; Assumed success probability of a hop in a route when no other information is
+; available. (default: 0.6)
+; routerrpc.apriori.hopprob=0.2
 
-; The time interval with which the MC store state is flushed to the DB.
-; routerrpc.mcflushinterval=1m
+; Weight of the a priori probability in success probability estimation. Valid
+; values are in [0, 1]. (default: 0.5)
+; routerrpc.apriori.weight=0.3
 
-; Path to the router macaroon
-; routerrpc.routermacaroonpath=~/.lnd/data/chain/bitcoin/simnet/router.macaroon
+; Defines the duration after which a penalized node or channel is back at 50%
+; probability (default: 1h0m0s)
+; routerrpc.apriori.penaltyhalflife=2h
+
+; Describes the scale over which channels still have some liquidity left on
+; both channel ends. A very low value (compared to typical channel capacities)
+; means that we assume unbalanced channels, a very high value means randomly
+; balanced channels. Value in msat. (default: 300000000)
+; routerrpc.bimodal.scale=1000000000
+
+; Defines how strongly non-routed channels of forwarders should be taken into
+; account for probability estimation. A weight of zero disables this feature.
+; Valid values are in [0, 1]. (default: 0.2)
+; routerrpc.bimodal.nodeweight=0.3
+
+; Defines the information decay of knowledge about previous successes and
+; failures in channels. (default: 168h0m0s)
+; routerrpc.bimodal.decaytime=72h                                         
 
 
 [workers]