block: adds getUTCDate function

src/block.js

@@ -132,12 +132,19 @@ Block.prototype.toHex = function(headersOnly) {
   return this.toBuffer(headersOnly).toString('hex')
 }
 
+Block.prototype.getHash = function() {
+  return crypto.hash256(this.toBuffer(true))
+}
+
 Block.prototype.getId = function() {
   return bufferutils.reverse(this.getHash()).toString('hex')
 }
 
-Block.prototype.getHash = function() {
+Block.prototype.getUTCDate = function() {
-  return crypto.hash256(this.toBuffer(true))
+  var date = new Date(0) // epoch
+  date.setUTCSeconds(this.timestamp)
+
+  return date
 }
 
 module.exports = Block

test/block.js

@@ -69,4 +69,20 @@ describe('Block', function() {
       })
     })
   })
+
+  describe('getUTCDate', function() {
+    fixtures.valid.forEach(function(f) {
+      var block
+
+      beforeEach(function() {
+        block = Block.fromHex(f.hex)
+      })
+
+      it('returns UTC date of ' + f.id, function() {
+        var utcDate = block.getUTCDate().getTime()
+
+        assert.equal(utcDate, f.timestamp * 1e3)
+      })
+    })
+  })
 })