From 2cbe8ff41107af93ec2e4be68647f9294cba9048 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 8 Jun 2016 16:00:43 -0700
Subject: [PATCH] coins and input.

---
 lib/bcoin/coins.js | 38 ++++++++++++++++++++------------------
 lib/bcoin/input.js |  1 +
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/lib/bcoin/coins.js b/lib/bcoin/coins.js
index 80532b9c..915f1fe7 100644
--- a/lib/bcoin/coins.js
+++ b/lib/bcoin/coins.js
@@ -190,7 +190,6 @@ Coins.prototype.toRaw = function toRaw(writer) {
       hash = output.script.code[1];
     }
 
-    // p.writeU8(((output.spent ? 1 : 0) << 2) | prefix);
     p.writeU8(prefix);
 
     if (prefix)
@@ -215,17 +214,20 @@ Coins.prototype.toRaw = function toRaw(writer) {
  */
 
 Coins.parseRaw = function parseRaw(data, hash) {
-  var coins = {};
   var p = new BufferReader(data);
   var i = 0;
-  var coin, mask, prefix;
+  var version, height, coins, coin, mask, prefix;
 
-  coins.version = p.readVarint();
-  coins.height = p.readU32();
-  coins.hash = hash;
-  coins.coinbase = (coins.height & 1) !== 0;
-  coins.height >>>= 1;
-  coins.outputs = [];
+  version = p.readVarint();
+  height = p.readU32();
+
+  coins = {
+    version: version,
+    height: height >>> 1,
+    hash: hash,
+    coinbase: (height & 1) !== 0,
+    outputs: []
+  };
 
   if (coins.height === 0x7fffffff)
     coins.height = -1;
@@ -239,14 +241,16 @@ Coins.parseRaw = function parseRaw(data, hash) {
       continue;
     }
 
-    coin = {};
-    coin.version = coins.version;
-    coin.coinbase = coins.coinbase;
-    coin.height = coins.height;
-    coin.hash = coins.hash;
-    coin.index = i++;
+    coin = {
+      version: coins.version,
+      coinbase: coins.coinbase,
+      height: coins.height,
+      hash: coins.hash,
+      index: i++,
+      script: null,
+      value: null
+    };
 
-    // coin.spent = (mask & 4) !== 0;
     prefix = mask & 3;
 
     if (prefix === 0)
@@ -297,7 +301,6 @@ Coins.parseCoin = function parseCoin(data, hash, index) {
       continue;
     }
 
-    // spent = (mask & 4) !== 0;
     prefix = mask & 3;
 
     if (i !== index) {
@@ -329,7 +332,6 @@ Coins.parseCoin = function parseCoin(data, hash, index) {
       height: height,
       hash: hash,
       index: i,
-      // spent: spent,
       script: script,
       value: value
     });
diff --git a/lib/bcoin/input.js b/lib/bcoin/input.js
index 993ec101..4b0d854c 100644
--- a/lib/bcoin/input.js
+++ b/lib/bcoin/input.js
@@ -41,6 +41,7 @@ function Input(options, mutable) {
   this.script = bcoin.script(options.script, this.mutable);
   this.sequence = options.sequence == null ? 0xffffffff : options.sequence;
   this.witness = bcoin.witness(options.witness, this.mutable);
+  this.coin = null;
 
   if (options.coin)
     this.coin = bcoin.coin(options.coin);