From 36f88b398f27a1b377f4b21aae80ec47269affee Mon Sep 17 00:00:00 2001
From: Sky Young <sky@alexandria.io>
Date: Sat, 20 Oct 2018 11:32:12 -0600
Subject: [PATCH] Create segwit signature hash with floData included :)

---
 lib/primitives/tx.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/primitives/tx.js b/lib/primitives/tx.js
index 6bb7752d..d836a7e4 100644
--- a/lib/primitives/tx.js
+++ b/lib/primitives/tx.js
@@ -711,6 +711,15 @@ TX.prototype.signatureHashV1 = function signatureHashV1(index, prev, value, type
   bw.writeU32(input.sequence);
   bw.writeBytes(outputs);
   bw.writeU32(this.locktime);
+
+  var fOmitTxComment = !!(type & hashType.OMIT_TX_COMMENT);
+
+  if (this.version >= 2 && !fOmitTxComment) {
+    bw.writeVarBytes(Buffer.from(this.strFloData));
+  }
+
+  type &= ~hashType.OMIT_TX_COMMENT;
+  
   bw.writeU32(type);
 
   return digest.hash256(bw.render());