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routerrpc: allow dest_features graph fallback

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This commit is contained in:
Conner Fromknecht
2019-12-19 16:25:59 -08:00
parent f28b809778
commit e6db31f267
6 changed files with 22 additions and 6 deletions
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10
lnrpc/routerrpc/router_backend.go
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@@ -710,7 +710,15 @@ func unmarshallHopHint(rpcHint *lnrpc.HopHint) (zpay32.HopHint, error) {
// UnmarshalFeatures converts a list of uint32's into a valid feature vector.
// This method checks that feature bit pairs aren't assigned toegether, and
// validates transitive depdencies.
func UnmarshalFeatures(rpcFeatures []lnrpc.FeatureBit) (*lnwire.FeatureVector, error) {
func UnmarshalFeatures(
rpcFeatures []lnrpc.FeatureBit) (*lnwire.FeatureVector, error) {
// If no destination features are specified we'll return nil to signal
// that the router should try to use the graph as a fallback.
if rpcFeatures == nil {
return nil, nil
}
raw := lnwire.NewRawFeatureVector()
for _, bit := range rpcFeatures {
err := raw.SafeSet(lnwire.FeatureBit(bit))