Adds magicHash test fixtures

test/fixtures/message.js

@@ -0,0 +1,12 @@
+module.exports = {
+  magicHash: [
+    {
+      message: '',
+      hash256: '80e795d4a4caadd7047af389d9f7f220562feb6196032e2131e10563352c4bcc'
+    },
+    {
+      message: 'Vires is Numeris',
+      hash256: 'f8a5affbef4a3241b19067aa694562f64f513310817297089a8929a930f4f933'
+    }
+  ]
+}

test/message.js

@@ -3,6 +3,8 @@ var ECKey = require('../src/eckey').ECKey
 var Message = require('../').Message
 var network = require('../').network
 
+var fixtures = require('./fixtures/message')
+
 describe('Message', function() {
   var msg
 
@@ -10,6 +12,17 @@ describe('Message', function() {
     msg = 'vires is numeris'
   })
 
+  describe('magicHash', function() {
+    it('matches the test vectors', function() {
+      fixtures.magicHash.forEach(function(f) {
+        var actual = Message.magicHash(f.message)
+        var expected = f.hash256
+
+        assert.equal(actual.toString('hex'), expected)
+      })
+    })
+  })
+
   describe('verify', function() {
     var addr, sig, caddr, csig