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multi: add node omission list for blinded paths

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This commit is contained in:
Elle Mouton
2024-08-05 14:27:11 +02:00
parent b490deefdf
commit e4619afc08
10 changed files with 1254 additions and 1142 deletions
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9
routing/router.go
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@@ -664,6 +664,10 @@ type BlindedPathRestrictions struct {
// MaxNumPaths is the maximum number of blinded paths to select.
MaxNumPaths uint8
// NodeOmissionSet is a set of nodes that should not be used within any
// of the blinded paths that we generate.
NodeOmissionSet fn.Set[route.Vertex]
}
// FindBlindedPaths finds a selection of paths to the destination node that can
@@ -676,8 +680,9 @@ func (r *ChannelRouter) FindBlindedPaths(destination route.Vertex,
// path length restrictions.
paths, err := findBlindedPaths(
r.cfg.RoutingGraph, destination, &blindedPathRestrictions{
minNumHops: restrictions.MinDistanceFromIntroNode,
maxNumHops: restrictions.NumHops,
minNumHops: restrictions.MinDistanceFromIntroNode,
maxNumHops: restrictions.NumHops,
nodeOmissionSet: restrictions.NodeOmissionSet,
},
)
if err != nil {