Add new modules: WalletKey (a key, as found in a Wallet) and time utils

WalletKey.js

@@ -0,0 +1,37 @@
+require('classtool');
+
+function ClassSpec(b) {
+	var coinUtil = require('./util/util');
+	var timeUtil = require('./util/time');
+	var KeyModule = require('./Key');
+	var Address = require('./Address').class();
+
+	function WalletKey(cfg) {
+		this.network = cfg.network;	// required
+		this.created = cfg.created;
+		this.privKey = cfg.privKey;
+	};
+
+	WalletKey.prototype.generate = function() {
+		this.privKey = KeyModule.Key.generateSync();
+		this.created = timeUtil.curtime();
+	};
+
+	WalletKey.prototype.storeObj = function() {
+		var pubKey = this.privKey.public.toString('hex');
+		var pubKeyHash = coinUtil.sha256ripe160(this.privKey.public);
+		var addr = new Address(this.network.addressPubkey, pubKeyHash);
+		var obj = {
+			created: this.created,
+			priv: this.privKey.private.toString('hex'),
+			pub: pubKey,
+			addr: addr.toString(),
+		};
+
+		return obj;
+	};
+
+	return WalletKey;
+};
+module.defineClass(ClassSpec);
+

util/time.js

@@ -0,0 +1,7 @@
+
+// current time, in seconds
+exports.curtime = function curtime()
+{
+	return Math.round(Date.now() / 1000);
+}
+