From 3e3618ae9a4f9c6361c7a0541fe2dfd0dcd8c5b3 Mon Sep 17 00:00:00 2001
From: Oliver Gugger <gugger@gmail.com>
Date: Fri, 9 Oct 2020 13:35:04 +0200
Subject: [PATCH] lntest: add build flag for disabling txindex on bitcoind

We create a new build flag for running the bitcoind tests without the
txindex enabled. We don't want this to be the default so we use a
negated build flag.
---
 lntest/bitcoind.go           |  1 +
 lntest/bitcoind_notxindex.go | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 lntest/bitcoind_notxindex.go

diff --git a/lntest/bitcoind.go b/lntest/bitcoind.go
index 3eb07a5e..e730b707 100644
--- a/lntest/bitcoind.go
+++ b/lntest/bitcoind.go
@@ -1,4 +1,5 @@
 // +build bitcoind
+// +build !notxindex
 
 package lntest
 
diff --git a/lntest/bitcoind_notxindex.go b/lntest/bitcoind_notxindex.go
new file mode 100644
index 00000000..1d565d8c
--- /dev/null
+++ b/lntest/bitcoind_notxindex.go
@@ -0,0 +1,22 @@
+// +build bitcoind
+// +build notxindex
+
+package lntest
+
+import (
+	"github.com/btcsuite/btcd/chaincfg"
+)
+
+// NewBackend starts a bitcoind node without the txindex enabled and returns a
+// BitoindBackendConfig for that node.
+func NewBackend(miner string, netParams *chaincfg.Params) (
+	*BitcoindBackendConfig, func() error, error) {
+
+	extraArgs := []string{
+		"-debug",
+		"-regtest",
+		"-disablewallet",
+	}
+
+	return newBackend(miner, netParams, extraArgs)
+}