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routing: use absolute final expiry in pathfinding

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This commit is contained in:
Joost Jager
2019-12-17 11:55:03 +01:00
parent e546a2c42b
commit 72a6383975
7 changed files with 48 additions and 37 deletions
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18
routing/router.go
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@ -1431,27 +1431,29 @@ func (r *ChannelRouter) FindRoute(source, target route.Vertex,
return nil, err
}
// We'll fetch the current block height so we can properly calculate the
// required HTLC time locks within the route.
_, currentHeight, err := r.cfg.Chain.GetBestBlock()
if err != nil {
return nil, err
}
// Now that we know the destination is reachable within the graph, we'll
// execute our path finding algorithm.
finalHtlcExpiry := currentHeight + int32(finalCLTVDelta)
path, err := findPath(
&graphParams{
graph: r.cfg.Graph,
bandwidthHints: bandwidthHints,
},
restrictions, &r.cfg.PathFindingConfig,
source, target, amt,
source, target, amt, finalHtlcExpiry,
)
if err != nil {
return nil, err
}
// We'll fetch the current block height so we can properly calculate the
// required HTLC time locks within the route.
_, currentHeight, err := r.cfg.Chain.GetBestBlock()
if err != nil {
return nil, err
}
// Create the route with absolute time lock values.
route, err := newRoute(
source, path, uint32(currentHeight),