From ab19740c94aba6a3008981aee66af80843cdc1c3 Mon Sep 17 00:00:00 2001
From: carla <kirkcohenc@gmail.com>
Date: Thu, 28 May 2020 09:07:31 +0200
Subject: [PATCH] wtxmgr: extract label deserialization into separate function

Requrired so that we can use the same logic in dropwtxmgr.
---
 wtxmgr/tx.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/wtxmgr/tx.go b/wtxmgr/tx.go
index 8c9e574..9674c9a 100644
--- a/wtxmgr/tx.go
+++ b/wtxmgr/tx.go
@@ -1025,6 +1025,12 @@ func FetchTxLabel(ns walletdb.ReadBucket, txid chainhash.Hash) (string, error) {
 		return "", ErrTxLabelNotFound
 	}
 
+	return DeserializeLabel(v)
+}
+
+// DeserializeLabel reads a deserializes a length-value encoded label from the
+// byte array provided.
+func DeserializeLabel(v []byte) (string, error) {
 	// If the label is empty, return an error.
 	length := binary.BigEndian.Uint16(v[0:2])
 	if length == 0 {