From 52e5f3fdd489aade383574961f571ce350a6ff46 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jgarzik@bitpay.com>
Date: Sat, 17 Aug 2013 01:11:23 -0400
Subject: [PATCH] Support SIN keys in wallets.

---
 SINKey.js | 6 +++++-
 Wallet.js | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/SINKey.js b/SINKey.js
index 54bc54a97..b80a8a1fc 100644
--- a/SINKey.js
+++ b/SINKey.js
@@ -19,9 +19,13 @@ function ClassSpec(b) {
 		this.created = timeUtil.curtime();
 	};
 
+	SINKey.prototype.pubkeyHash = function() {
+		return coinUtil.sha256ripe160(this.privKey.public);
+	};
+
 	SINKey.prototype.storeObj = function() {
 		var pubKey = this.privKey.public.toString('hex');
-		var pubKeyHash = coinUtil.sha256ripe160(this.privKey.public);
+		var pubKeyHash = this.pubkeyHash();
 		var sin = new SIN(SIN.SIN_EPHEM, pubKeyHash);
 		var obj = {
 			created: this.created,
diff --git a/Wallet.js b/Wallet.js
index ac5a290d0..9ca8b7972 100644
--- a/Wallet.js
+++ b/Wallet.js
@@ -17,6 +17,7 @@ function ClassSpec(b) {
 		best_hash: null,
 		best_height: -1,
 		keys: [],
+		sin: {},
 		scripts: {},
 	};
 
@@ -76,6 +77,11 @@ function ClassSpec(b) {
 		this.dirty = true;
 	};
 
+	Wallet.prototype.addSIN = function(sinObj) {
+		this.datastore.sin[sinObj.sin] = sinObj;
+		this.dirty = true;
+	};
+
 	Wallet.prototype.findKeyHash = function(pubKeyHash) {
 		var pkhStr = pubKeyHash.toString();