From 7969e741cb21d681ca6e026b157c17bb4f144734 Mon Sep 17 00:00:00 2001
From: kiwiidb <kwinten.debacker@hotmail.com>
Date: Wed, 27 Sep 2023 15:25:15 +0200
Subject: [PATCH] remove getinfo call when initializing cluster

---
 lnd/config.go    |  1 +
 lnd/ln_client.go | 16 ++++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/lnd/config.go b/lnd/config.go
index 381ba361..41cabceb 100644
--- a/lnd/config.go
+++ b/lnd/config.go
@@ -19,6 +19,7 @@ type Config struct {
 	LNDCertHex                   string  `envconfig:"LND_CERT_HEX"`
 	LNDClusterLivenessPeriod     int     `envconfig:"LND_CLUSTER_LIVENESS_PERIOD" default:"10"`
 	LNDClusterActiveChannelRatio float64 `envconfig:"LND_CLUSTER_ACTIVE_CHANNEL_RATIO" default:"0.5"`
+	LNDClusterPubkeys            string  `envconfig:"LND_CLUSTER_PUBKEYS"` //comma-seperated list of public keys of the cluster
 }
 
 func LoadConfig() (c *Config, err error) {
diff --git a/lnd/ln_client.go b/lnd/ln_client.go
index 41b3853b..ccf05776 100644
--- a/lnd/ln_client.go
+++ b/lnd/ln_client.go
@@ -61,12 +61,16 @@ func InitSingleLNDClient(c *Config, ctx context.Context) (result LightningClient
 }
 func InitLNDCluster(c *Config, logger *lecho.Logger, ctx context.Context) (result LightningClientWrapper, err error) {
 	nodes := []LightningClientWrapper{}
-	//interpret lnd address, macaroon file & cert file as comma seperated values
+	//interpret lnd address, macaroon file, cert file, pubkeys as comma seperated values
 	addresses := strings.Split(c.LNDAddress, ",")
 	macaroons := strings.Split(c.LNDMacaroonFile, ",")
+	pubkeys := strings.Split(c.LNDClusterPubkeys, ",")
 	certs := strings.Split(c.LNDCertFile, ",")
-	if len(addresses) != len(macaroons) || len(addresses) != len(certs) || len(certs) != len(macaroons) {
-		return nil, fmt.Errorf("Error parsing LND cluster config: addresses, macaroons or certs array length mismatch")
+	if len(addresses) != len(macaroons) ||
+		len(addresses) != len(certs) ||
+		len(certs) != len(macaroons) ||
+		len(pubkeys) != len(macaroons) {
+		return nil, fmt.Errorf("Error parsing LND cluster config: addresses, macaroons, certs or pubkeys array length mismatch")
 	}
 	for i := 0; i < len(addresses); i++ {
 		n, err := NewLNDclient(LNDoptions{
@@ -77,11 +81,7 @@ func InitLNDCluster(c *Config, logger *lecho.Logger, ctx context.Context) (resul
 		if err != nil {
 			return nil, err
 		}
-		getInfo, err := n.GetInfo(ctx, &lnrpc.GetInfoRequest{})
-		if err != nil {
-			return nil, err
-		}
-		n.IdentityPubkey = getInfo.IdentityPubkey
+		n.IdentityPubkey = pubkeys[i]
 		nodes = append(nodes, n)
 	}
 	logger.Infof("Initialized LND cluster with %d nodes", len(nodes))