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routerrpc: add check for empty hops

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bitromortac 2024-08-07 11:34:30 +02:00
parent 452db01ad7
commit b0e1a722c6
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1 changed files with 4 additions and 0 deletions
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4
lnrpc/routerrpc/router_server.go
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@ -1401,6 +1401,10 @@ func (s *Server) trackPaymentStream(context context.Context,
func (s *Server) BuildRoute(_ context.Context,
req *BuildRouteRequest) (*BuildRouteResponse, error) {
if len(req.HopPubkeys) == 0 {
return nil, errors.New("no hops specified")
}
// Unmarshall hop list.
hops := make([]route.Vertex, len(req.HopPubkeys))
for i, pubkeyBytes := range req.HopPubkeys {