From 821ec9e550da9fb881d9eb6c611b4283c289bfdc Mon Sep 17 00:00:00 2001
From: Conner Fromknecht <conner@mit.edu>
Date: Wed, 14 Mar 2018 14:54:27 -0700
Subject: [PATCH] lnd: compute funding params for ltc if active

---
 lnd.go | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/lnd.go b/lnd.go
index 9b2f50885..f12b6010f 100644
--- a/lnd.go
+++ b/lnd.go
@@ -238,6 +238,17 @@ func lndMain() error {
 	primaryChain := registeredChains.PrimaryChain()
 	registeredChains.RegisterChain(primaryChain, activeChainControl)
 
+	// Select the configuration and furnding parameters for Bitcoin or
+	// Litecoin, depending on the primary registered chain.
+	chainCfg := cfg.Bitcoin
+	minRemoteDelay := minBtcRemoteDelay
+	maxRemoteDelay := maxBtcRemoteDelay
+	if primaryChain == litecoinChain {
+		chainCfg = cfg.Litecoin
+		minRemoteDelay = minLtcRemoteDelay
+		maxRemoteDelay = maxLtcRemoteDelay
+	}
+
 	// TODO(roasbeef): add rotation
 	idPrivKey, err := activeChainControl.wallet.DerivePrivKey(keychain.KeyDescriptor{
 		KeyLocator: keychain.KeyLocator{
@@ -340,7 +351,7 @@ func lndMain() error {
 			// In case the user has explicitly specified
 			// a default value for the number of
 			// confirmations, we use it.
-			defaultConf := uint16(cfg.Bitcoin.DefaultNumChanConfs)
+			defaultConf := uint16(chainCfg.DefaultNumChanConfs)
 			if defaultConf != 0 {
 				return defaultConf
 			}
@@ -373,13 +384,13 @@ func lndMain() error {
 			// In case the user has explicitly specified
 			// a default value for the remote delay, we
 			// use it.
-			defaultDelay := uint16(cfg.Bitcoin.DefaultRemoteDelay)
+			defaultDelay := uint16(chainCfg.DefaultRemoteDelay)
 			if defaultDelay > 0 {
 				return defaultDelay
 			}
 
 			// If not we scale according to channel size.
-			delay := uint16(maxRemoteDelay *
+			delay := uint16(btcutil.Amount(maxRemoteDelay) *
 				chanAmt / maxFundingAmount)
 			if delay < minRemoteDelay {
 				delay = minRemoteDelay