From b2d1d99521e21fa15efd9c3c73ccb8d74979cfeb Mon Sep 17 00:00:00 2001
From: "Johan T. Halseth" <johanth@gmail.com>
Date: Tue, 7 Jan 2020 13:52:42 +0100
Subject: [PATCH] loopd call swapserver with SwapPublicationDeadline set

---
 interface.go               | 4 ++++
 loopd/swapclient_server.go | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/interface.go b/interface.go
index 94d709b..e445b66 100644
--- a/interface.go
+++ b/interface.go
@@ -99,6 +99,10 @@ type LoopOutQuoteRequest struct {
 	// client sweep tx.
 	SweepConfTarget int32
 
+	// SwapPublicationDeadline can be set by the client to allow the server
+	// delaying publication of the swap HTLC to save on chain fees.
+	SwapPublicationDeadline time.Time
+
 	// TODO: Add argument to specify confirmation target for server
 	// publishing htlc. This may influence the swap fee quote, because the
 	// server needs to pay more for faster confirmations.
diff --git a/loopd/swapclient_server.go b/loopd/swapclient_server.go
index 232061f..4f704ab 100644
--- a/loopd/swapclient_server.go
+++ b/loopd/swapclient_server.go
@@ -266,6 +266,9 @@ func (s *swapClientServer) LoopOutQuote(ctx context.Context,
 	quote, err := s.impl.LoopOutQuote(ctx, &loop.LoopOutQuoteRequest{
 		Amount:          btcutil.Amount(req.Amt),
 		SweepConfTarget: confTarget,
+		SwapPublicationDeadline: time.Unix(
+			int64(req.SwapPublicationDeadline), 0,
+		),
 	})
 	if err != nil {
 		return nil, err