liquidity: default to slow swaps for autloop

Author: bhandras

liquidity/autoloop_test.go

@@ -939,9 +939,11 @@ func TestAutoloopBothTypes(t *testing.T) {
 		}
 
 		loopOutQuoteReq = &loop.LoopOutQuoteRequest{
-			Amount:                  loopOutAmt,
-			SweepConfTarget:         params.SweepConfTarget,
-			SwapPublicationDeadline: testTime,
+			Amount:          loopOutAmt,
+			SweepConfTarget: params.SweepConfTarget,
+			SwapPublicationDeadline: testTime.Add(
+				defaultSwapPublicationWaitTime,
+			),
 		}
 
 		prepayMaxFee, routeMaxFee,

liquidity/loopout_builder.go

@@ -3,6 +3,7 @@ package liquidity
 import (
 	"context"
 	"encoding/hex"
+	"time"
 
 	"github.com/btcsuite/btcd/btcutil"
 	"github.com/lightninglabs/loop"
@@ -14,6 +15,12 @@ import (
 	"github.com/lightningnetwork/lnd/routing/route"
 )
 
+const (
+	// defaultSwapWaitTime is the default time we set as the deadline by
+	// which we expect the swap to be published.
+	defaultSwapPublicationWaitTime = 30 * time.Minute
+)
+
 // Compile-time assertion that loopOutBuilder satisfies the swapBuilder
 // interface.
 var _ swapBuilder = (*loopOutBuilder)(nil)
@@ -153,11 +160,13 @@ func (b *loopOutBuilder) buildSwap(ctx context.Context, pubkey route.Vertex,
 
 	quote, err := b.cfg.LoopOutQuote(
 		ctx, &loop.LoopOutQuoteRequest{
-			Amount:                  amount,
-			SweepConfTarget:         params.SweepConfTarget,
-			SwapPublicationDeadline: b.cfg.Clock.Now(),
-			Initiator:               initiator,
-			AssetRFQRequest:         assetRfqRequest,
+			Amount:          amount,
+			SweepConfTarget: params.SweepConfTarget,
+			SwapPublicationDeadline: b.cfg.Clock.Now().Add(
+				defaultSwapPublicationWaitTime,
+			),
+			Initiator:       initiator,
+			AssetRFQRequest: assetRfqRequest,
 		},
 	)
 	if err != nil {