From cf9e11e356326b1afa93a7d34e98ca55b6b7a9a6 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 23 Dec 2015 20:09:14 -0800
Subject: [PATCH] add ids to inputs and outputs without addresses.

---
 lib/bcoin/input.js  | 21 ++++++++++++++++-----
 lib/bcoin/output.js | 13 +++++++++++--
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/lib/bcoin/input.js b/lib/bcoin/input.js
index 41db717e..df0a384d 100644
--- a/lib/bcoin/input.js
+++ b/lib/bcoin/input.js
@@ -98,6 +98,17 @@ Input.prototype.__defineGetter__('tx', function() {
   return this.out.tx;
 });
 
+Input.prototype._id = function _id(prefix) {
+  var data = [].concat(
+    this.out.hash,
+    this.out.index,
+    bcoin.script.encode(this.script),
+    this.seq
+  );
+  var hash = utils.toHex(utils.dsha256(data));
+  return '[' + prefix + ':' + hash.slice(0, 7) + ']';
+};
+
 Input.getData = function getData(input) {
   if (!input || !input.script)
     return;
@@ -136,7 +147,7 @@ Input.getData = function getData(input) {
   if (!input.out) {
     return utils.merge(schema, {
       type: 'unknown',
-      addr: '[unknown]',
+      addr: input._id('unknown'),
       none: true
     });
   }
@@ -147,7 +158,7 @@ Input.getData = function getData(input) {
       type: 'coinbase',
       coinbase: data,
       height: data.height || -1,
-      addr: '[coinbase]',
+      addr: input._id('coinbase'),
       flags: data.flags,
       text: data.text.join(''),
       none: true
@@ -179,7 +190,7 @@ Input.getData = function getData(input) {
     return utils.merge(schema, {
       type: 'pubkey',
       sig: sub[0],
-      addr: '[unknown]',
+      addr: input._id('unknown'),
       none: true
     });
   }
@@ -225,7 +236,7 @@ Input.getData = function getData(input) {
     return utils.merge(schema, {
       type: 'multisig',
       sig: sub[0],
-      addr: '[unknown]',
+      addr: input._id('unknown'),
       multisig: {
         m: sig.length,
         n: null,
@@ -240,7 +251,7 @@ Input.getData = function getData(input) {
 
   return utils.merge(schema, {
     type: 'unknown',
-    addr: '[unknown]',
+    addr: input._id('unknown'),
     none: true
   });
 };
diff --git a/lib/bcoin/output.js b/lib/bcoin/output.js
index fe9cfbe0..e5487048 100644
--- a/lib/bcoin/output.js
+++ b/lib/bcoin/output.js
@@ -67,6 +67,15 @@ Output.prototype.__defineGetter__('text', function() {
   return this.data.text;
 });
 
+Output.prototype._id = function _id(prefix) {
+  var data = [].concat(
+    this.value.toArray(),
+    bcoin.script.encode(this.script)
+  );
+  var hash = utils.toHex(utils.dsha256(data));
+  return '[' + prefix + ':' + hash.slice(0, 7) + ']';
+};
+
 Output.getData = function getData(output) {
   if (!output || !output.script)
     return;
@@ -178,7 +187,7 @@ Output.getData = function getData(output) {
     ret = bcoin.script.colored(s);
     return utils.merge(schema, {
       type: 'colored',
-      addr: '[colored]',
+      addr: output._id('colored'),
       flags: ret,
       text: utils.array2utf8(ret),
       value: output.value,
@@ -188,7 +197,7 @@ Output.getData = function getData(output) {
 
   return utils.merge(schema, {
     type: 'unknown',
-    addr: '[unknown]',
+    addr: output._id('unknown'),
     none: true
   });
 };