From 679a7ef7ce19f65cfc52dc3ef9fe54cc64fa696a Mon Sep 17 00:00:00 2001
From: Dan Finlay <dan@danfinlay.com>
Date: Tue, 7 Mar 2017 17:09:17 -0800
Subject: [PATCH] One bad state

---
 index.js      | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 package.json  |  5 +++++
 test/index.js | 30 ++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 index.js
 create mode 100644 test/index.js

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..c0eb375
--- /dev/null
+++ b/index.js
@@ -0,0 +1,46 @@
+// const sha3 = require('js-sha3').sha3_256
+const sha3 = require('js-sha3').shake_256
+const uts46 = require('idna-uts46')
+// const SHA3 = require('crypto-js/sha3')
+
+module.exports = function namehash (inputName) {
+  console.log('called with ' + inputName)
+
+  // Reject empty names:
+  if (!inputName || inputName === '') {
+    let result = ''
+    for (let i = 0; i < 32; i++) {
+      result += '00'
+    }
+    return result
+  }
+
+  const name = normalize(inputName)
+  const split = name.split('.')
+
+  const label = toBuffer(split.shift())
+  const remainder = toBuffer(split.join('.'))
+
+  console.log('finishing with ', typeof sha3(label))
+
+  console.log(sha3(label))
+
+  const result =  sha3(namehash(remainder) + sha3(label))
+  console.dir(result)
+  throw new Error('stop')
+  return result
+}
+
+/*
+function sha3 (input) {
+  return SHA3(input, { outputLength: 256 })
+}
+*/
+
+function normalize(name) {
+  return uts46.toUnicode(name, {useStd3ASCII: true, transitional: false});
+}
+
+function toBuffer(str) {
+  return new Buffer(str, 'utf8')
+}
diff --git a/package.json b/package.json
index c29c029..8fee026 100644
--- a/package.json
+++ b/package.json
@@ -22,5 +22,10 @@
   "homepage": "https://github.com/flyswatter/eth-ens-namehash#readme",
   "devDependencies": {
     "tape": "^4.6.3"
+  },
+  "dependencies": {
+    "crypto-js": "^3.1.9-1",
+    "idna-uts46": "^1.0.1",
+    "js-sha3": "^0.5.7"
   }
 }
diff --git a/test/index.js b/test/index.js
new file mode 100644
index 0000000..2767aad
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,30 @@
+const test = require('tape')
+const namehash = require('../')
+
+// Test results specified in original ENS Proposal:
+// https://github.com/ethereum/EIPs/issues/137
+
+test('empty name', (t) => {
+  t.plan(1)
+  const input = ''
+  const expected = '0000000000000000000000000000000000000000000000000000000000000000'
+  const output = namehash(input)
+  t.equal(output, expected)
+})
+
+test('TLD eth', (t) => {
+  t.plan(1)
+  const input = 'eth'
+  const expected = '93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae'
+  const output = namehash(input)
+  t.equal(output, expected)
+})
+
+test('foo.eth', (t) => {
+  t.plan(1)
+  const input = 'foo.eth'
+  const expected = 'de9b09fd7c5f901e23a3f19fecc54828e9c848539801e86591bd9801b019f84f'
+  const output = namehash(input)
+  t.equal(output, expected)
+})
+