multi: increase min cltv delta to 24

itest/lnd_channel_policy_test.go

@@ -295,7 +295,7 @@ func testUpdateChannelPolicy(ht *lntest.HarnessTest) {
 	// propagated.
 	baseFee = int64(800)
 	feeRate = int64(123)
-	timeLockDelta = uint32(22)
+	timeLockDelta = uint32(24)
 	maxHtlc *= 2
 	inboundBaseFee := int32(-400)
 	inboundFeeRatePpm := int32(-60)

itest/lnd_htlc_timeout_resolver_test.go

@@ -14,8 +14,8 @@ import (
 )
 
 const (
-	finalCltvDelta  = routing.MinCLTVDelta // 18.
-	thawHeightDelta = finalCltvDelta * 2   // 36.
+	finalCltvDelta  = routing.MinCLTVDelta // 24.
+	thawHeightDelta = finalCltvDelta * 2   // 48.
 )
 
 // makeRouteHints creates a route hints that will allow Carol to be reached

itest/lnd_route_blinding_test.go

@@ -352,7 +352,7 @@ func (b *blindedForwardTest) setupNetwork(ctx context.Context,
 	withInterceptor bool) {
 
 	carolArgs := []string{
-		"--bitcoin.timelockdelta=18",
+		"--bitcoin.timelockdelta=24",
 		fmt.Sprintf("--bitcoin.defaultremotedelay=%v", toLocalCSV),
 	}
 	if withInterceptor {
@@ -360,7 +360,7 @@ func (b *blindedForwardTest) setupNetwork(ctx context.Context,
 	}
 
 	daveArgs := []string{
-		"--bitcoin.timelockdelta=18",
+		"--bitcoin.timelockdelta=24",
 		fmt.Sprintf("--bitcoin.defaultremotedelay=%v", toLocalCSV),
 	}
 	cfgs := [][]string{nil, nil, carolArgs, daveArgs}

itest/lnd_sweep_test.go

@@ -879,7 +879,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) {
 	// Before we mine empty blocks to check the RBF behavior, we need to be
 	// aware that Bob's incoming HTLC will expire before his outgoing HTLC
 	// deadline is reached. This happens because the incoming HTLC is sent
-	// onchain at CLTVDelta-BroadcastDelta=18-10=8, which means after 8
+	// onchain at CLTVDelta-BroadcastDelta=24-16=8, which means after 8
 	// blocks are mined, we expect Bob force closes the channel Alice->Bob.
 	blocksTillIncomingSweep := cltvDelta -
 		lncfg.DefaultIncomingBroadcastDelta