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routerrpc: add log line for probing the invoice request

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This commit is contained in:
ziggie
2025-06-24 23:42:37 +02:00
parent 6b80796bb8
commit fd7f6caa4a
1 changed files with 11 additions and 2 deletions
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13
lnrpc/routerrpc/router_server.go
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@@ -558,6 +558,9 @@ func (s *Server) probePaymentRequest(ctx context.Context, paymentRequest string,
// payment won't be blocked along the route to the destination. We send
// a probe payment with unmodified route hints.
if !isLSP(hints, s.cfg.RouterBackend.FetchChannelEndpoints) {
log.Infof("No LSP detected, probing destination %x",
probeRequest.Dest)
probeRequest.RouteHints = invoicesrpc.CreateRPCRouteHints(hints)
return s.sendProbePayment(ctx, probeRequest)
}
@@ -571,9 +574,14 @@ func (s *Server) probePaymentRequest(ctx context.Context, paymentRequest string,
return nil, err
}
// Set the destination to the LSP node ID.
lspDest := lspHint.NodeID.SerializeCompressed()
probeRequest.Dest = lspDest
log.Infof("LSP detected, probing LSP with destination: %x", lspDest)
// The adjusted route hints serve the payment probe to find the last
// public hop to the LSP on the route.
probeRequest.Dest = lspHint.NodeID.SerializeCompressed()
if len(lspAdjustedRouteHints) > 0 {
probeRequest.RouteHints = invoicesrpc.CreateRPCRouteHints(
lspAdjustedRouteHints,
@@ -609,7 +617,8 @@ func (s *Server) probePaymentRequest(ctx context.Context, paymentRequest string,
// Dispatch the payment probe with adjusted fee amount.
resp, err := s.sendProbePayment(ctx, probeRequest)
if err != nil {
return nil, err
return nil, fmt.Errorf("failed to send probe payment to "+
"LSP with destination %x: %w", lspDest, err)
}
// If the payment probe failed we only return the failure reason and