From 69ae56ad5c1227126797fbf6faaab985da5b2742 Mon Sep 17 00:00:00 2001
From: Harsha Goli <harshagoli@gmail.com>
Date: Mon, 13 Dec 2021 19:05:51 -0500
Subject: [PATCH] lntest: surface bitcoin backend rpc credentials

[skip ci]
---
 lntest/bitcoind_common.go | 5 +++++
 lntest/btcd.go            | 5 +++++
 lntest/harness_node.go    | 4 ++++
 lntest/neutrino.go        | 6 ++++++
 4 files changed, 20 insertions(+)

diff --git a/lntest/bitcoind_common.go b/lntest/bitcoind_common.go
index d116ac686..6ec6bfdaf 100644
--- a/lntest/bitcoind_common.go
+++ b/lntest/bitcoind_common.go
@@ -64,6 +64,11 @@ func (b BitcoindBackendConfig) DisconnectMiner() error {
 	return b.rpcClient.AddNode(b.minerAddr, rpcclient.ANRemove)
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+func (b BitcoindBackendConfig) Credentials() (string, string, string, error) {
+	return b.rpcUser, b.rpcPass, b.rpcHost, nil
+}
+
 // Name returns the name of the backend type.
 func (b BitcoindBackendConfig) Name() string {
 	return "bitcoind"
diff --git a/lntest/btcd.go b/lntest/btcd.go
index 1ac281787..200faa9bf 100644
--- a/lntest/btcd.go
+++ b/lntest/btcd.go
@@ -67,6 +67,11 @@ func (b BtcdBackendConfig) DisconnectMiner() error {
 	return b.harness.Client.Node(btcjson.NDisconnect, b.minerAddr, &temp)
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+func (b BtcdBackendConfig) Credentials() (string, string, string, error) {
+	return b.rpcConfig.User, b.rpcConfig.Pass, b.rpcConfig.Host, nil
+}
+
 // Name returns the name of the backend type.
 func (b BtcdBackendConfig) Name() string {
 	return "btcd"
diff --git a/lntest/harness_node.go b/lntest/harness_node.go
index fd3e0ad3f..ccdd15795 100644
--- a/lntest/harness_node.go
+++ b/lntest/harness_node.go
@@ -82,6 +82,10 @@ type BackendConfig interface {
 
 	// Name returns the name of the backend type.
 	Name() string
+
+	// Credentials returns the rpc username, password and host for the
+	// backend.
+	Credentials() (string, string, string, error)
 }
 
 // NodeConfig is the basic interface a node configuration must implement.
diff --git a/lntest/neutrino.go b/lntest/neutrino.go
index 6c8f7098a..64e880372 100644
--- a/lntest/neutrino.go
+++ b/lntest/neutrino.go
@@ -42,6 +42,12 @@ func (b NeutrinoBackendConfig) DisconnectMiner() error {
 	return fmt.Errorf("unimplemented")
 }
 
+// Credentials returns the rpc username, password and host for the backend.
+// For neutrino, we return an error because there is no rpc client available.
+func (b NeutrinoBackendConfig) Credentials() (string, string, string, error) {
+	return "", "", "", fmt.Errorf("unimplemented")
+}
+
 // Name returns the name of the backend type.
 func (b NeutrinoBackendConfig) Name() string {
 	return NeutrinoBackendName