From 1682d8e0f32bbba9c5144de5ad18d98c7c2d8d2c Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Tue, 17 Jun 2014 10:45:28 +1000
Subject: [PATCH] Cope with empty transactions in json encoding

---
 src/stratifier.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/stratifier.c b/src/stratifier.c
index 3f6a47c3..6afad0b2 100644
--- a/src/stratifier.c
+++ b/src/stratifier.c
@@ -516,7 +516,8 @@ static void update_base(ckpool_t *ckp)
 	if (wb->transactions) {
 		json_strdup(&wb->txn_data, val, "txn_data");
 		json_strdup(&wb->txn_hashes, val, "txn_hashes");
-	}
+	} else
+		wb->txn_hashes = ckzalloc(1);
 	json_intcpy(&wb->merkles, val, "merkles");
 	wb->merkle_array = json_array();
 	if (wb->merkles) {