From f0875285b214f4efbc62308ee715c03d4ca2d96c Mon Sep 17 00:00:00 2001
From: Saleem Rashid <trezor@saleemrashid.com>
Date: Wed, 20 Dec 2017 20:38:36 +0000
Subject: [PATCH] transaction: Fix Decred multisig

---
 firmware/transaction.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/transaction.c b/firmware/transaction.c
index cee79124d..1237da7d0 100644
--- a/firmware/transaction.c
+++ b/firmware/transaction.c
@@ -360,7 +360,10 @@ uint32_t serialize_script_sig(const uint8_t *signature, uint32_t signature_len,
 uint32_t serialize_script_multisig(const CoinInfo *coin, const MultisigRedeemScriptType *multisig, uint8_t sighash, uint8_t *out)
 {
 	uint32_t r = 0;
-	out[r] = 0x00; r++;
+	if (!coin->decred) {
+		// Decred fixed the off-by-one bug
+		out[r] = 0x00; r++;
+	}
 	for (uint32_t i = 0; i < multisig->signatures_count; i++) {
 		if (multisig->signatures[i].size == 0) {
 			continue;