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routing+routerrpc: improve prob. estimation for untried connections

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This commit changes mission control to partially base the estimated
probability for untried connections on historical results obtained in
previous payment attempts. This incentivizes routing nodes to keep all
of their channels in good shape.
This commit is contained in:
Joost Jager
2019-09-04 17:40:14 +02:00
parent fab13900e2
commit 1fac41deed
9 changed files with 410 additions and 97 deletions
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9
lnrpc/routerrpc/config.go
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@@ -16,6 +16,15 @@ type RoutingConfig struct {
// 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."`
// AprioriWeight is a value in the range [0, 1] that defines to what
// extent historical results should be extrapolated to untried
// connections. Setting it to one will completely ignore historical
// results and always assume the configured a priori probability for
// untried connections. A value of zero will ignore the a priori
// probability completely and only base the probability on historical
// results, unless there are none available.
AprioriWeight float64 `long:"aprioriweight" description:"Weight of the a priori probability in success probability estimation. Valid values are in [0, 1]."`
// 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"`