From 122b4a9fb38049089eb2abfea9a63a9a71f0d20d Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Fri, 6 Jan 2017 10:52:22 -0800
Subject: [PATCH] tx: refactor.

---
 lib/primitives/tx.js | 132 +++++++++++++++++++++----------------------
 1 file changed, 66 insertions(+), 66 deletions(-)

diff --git a/lib/primitives/tx.js b/lib/primitives/tx.js
index a3532aec..850e35c3 100644
--- a/lib/primitives/tx.js
+++ b/lib/primitives/tx.js
@@ -1143,6 +1143,72 @@ TX.prototype.isFinal = function isFinal(height, ts) {
   return true;
 };
 
+/**
+ * Verify the nLockTime of a transaction.
+ * @param {Number} index - Index of input being verified.
+ * @param {Number} locktime - Locktime to verify against.
+ * @returns {Boolean}
+ */
+
+TX.prototype.verifyLocktime = function verifyLocktime(index, locktime) {
+  var threshold = consensus.LOCKTIME_THRESHOLD;
+  var input = this.inputs[index];
+
+  if (!(
+    (this.locktime < threshold && locktime < threshold)
+    || (this.locktime >= threshold && locktime >= threshold)
+  )) {
+    return false;
+  }
+
+  if (locktime > this.locktime)
+    return false;
+
+  if (input.sequence === 0xffffffff)
+    return false;
+
+  return true;
+};
+
+/**
+ * Verify the nSequence locktime of a transaction.
+ * @param {Number} index - Index of input being verified.
+ * @param {Number} sequence - Locktime to verify against.
+ * @returns {Boolean}
+ */
+
+TX.prototype.verifySequence = function verifySequence(index, sequence) {
+  var input = this.inputs[index];
+  var mask, seq1, seq2;
+
+  if ((sequence & consensus.SEQUENCE_DISABLE_FLAG) !== 0)
+    return true;
+
+  if (this.version < 2)
+    return false;
+
+  if (input.sequence & consensus.SEQUENCE_DISABLE_FLAG)
+    return false;
+
+  mask = consensus.SEQUENCE_TYPE_FLAG | consensus.SEQUENCE_MASK;
+  seq1 = input.sequence & mask;
+  seq2 = sequence & mask;
+
+  if (!(
+    (seq1 < consensus.SEQUENCE_TYPE_FLAG
+    && seq2 < consensus.SEQUENCE_TYPE_FLAG)
+    || (seq1 >= consensus.SEQUENCE_TYPE_FLAG
+    && seq2 >= consensus.SEQUENCE_TYPE_FLAG)
+  )) {
+    return false;
+  }
+
+  if (seq2 > seq1)
+    return false;
+
+  return true;
+};
+
 /**
  * Calculate legacy (inaccurate) sigop count.
  * @returns {Number} sigop count
@@ -2552,72 +2618,6 @@ TX.isTX = function isTX(obj) {
     && typeof obj.witnessHash === 'function';
 };
 
-/**
- * Verify the nLockTime of a transaction.
- * @param {Number} index - Index of input being verified.
- * @param {Number} locktime - Locktime to verify against (max=u32).
- * @returns {Boolean}
- */
-
-TX.prototype.verifyLocktime = function verifyLocktime(index, locktime) {
-  var threshold = consensus.LOCKTIME_THRESHOLD;
-  var input = this.inputs[index];
-
-  if (!(
-    (this.locktime < threshold && locktime < threshold)
-    || (this.locktime >= threshold && locktime >= threshold)
-  )) {
-    return false;
-  }
-
-  if (locktime > this.locktime)
-    return false;
-
-  if (input.sequence === 0xffffffff)
-    return false;
-
-  return true;
-};
-
-/**
- * Verify the nSequence locktime of a transaction.
- * @param {Number} index - Index of input being verified.
- * @param {Number} sequence - Locktime to verify against (max=u32).
- * @returns {Boolean}
- */
-
-TX.prototype.verifySequence = function verifySequence(index, sequence) {
-  var input = this.inputs[index];
-  var mask, seq1, seq2;
-
-  if ((sequence & consensus.SEQUENCE_DISABLE_FLAG) !== 0)
-    return true;
-
-  if (this.version < 2)
-    return false;
-
-  if (input.sequence & consensus.SEQUENCE_DISABLE_FLAG)
-    return false;
-
-  mask = consensus.SEQUENCE_TYPE_FLAG | consensus.SEQUENCE_MASK;
-  seq1 = input.sequence & mask;
-  seq2 = sequence & mask;
-
-  if (!(
-    (seq1 < consensus.SEQUENCE_TYPE_FLAG
-    && seq2 < consensus.SEQUENCE_TYPE_FLAG)
-    || (seq1 >= consensus.SEQUENCE_TYPE_FLAG
-    && seq2 >= consensus.SEQUENCE_TYPE_FLAG)
-  )) {
-    return false;
-  }
-
-  if (seq2 > seq1)
-    return false;
-
-  return true;
-};
-
 /*
  * Helpers
  */