2 files changed, 100 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js
new file mode 100644
index 000000000..a3666a9ed
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js
@@ -0,0 +1,48 @@
+var tape = require('tape');
+const ethash = require('../ethash.js');
+
+tape('seed hash', function(t) {
+
+  t.test('seed should match TRUTH', function(st) {
+    const seed = '290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563';
+    const blockNum = 30000;
+
+    var r = new Buffer(ethash.calcSeed(blockNum));
+    st.equal(r.toString('hex'), seed);
+
+    st.end();
+  });
+
+  t.test('seed should match TRUTH2', function(st) {
+    const seed = '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9';
+    const blockNum = 60000;
+
+    var r = new Buffer(ethash.calcSeed(blockNum));
+    st.equal(r.toString('hex'), seed);
+
+    st.end();
+  });
+
+  t.test('seed should match TRUTH3', function(st) {
+    const seed = '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9';
+    const blockNum = 60700;
+
+    var r = new Buffer(ethash.calcSeed(blockNum));
+    st.equal(r.toString('hex'), seed);
+
+    st.end();
+  });
+
+  t.test('randomized tests', function(st) {
+    for (var i = 0; i < 100; i++) {
+      var x = Math.floor(ethash.params.EPOCH_LENGTH * 2048 * Math.random());
+      st.equal(ethash.calcSeed(x).toString('hex'), ethash.calcSeed(Math.floor(x / ethash.params.EPOCH_LENGTH) * ethash.params.EPOCH_LENGTH ).toString('hex'));
+    }
+    st.end();
+  });
+  // '510e4e770828ddbf7f7b00ab00a9f6adaf81c0dc9cc85f1f8249c256942d61d9'
+  // [7:13:32 PM] Matthew Wampler-Doty: >>> x = randint(0,700000)
+  // 
+  // >>> pyethash.get_seedhash(x).encode('hex') == pyethash.get_seedhash((x // pyethash.EPOCH_LENGTH) * pyethash.EPOCH_LENGTH).encode('hex')
+
+});
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js
new file mode 100644
index 000000000..edffa268f
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js
@@ -0,0 +1,52 @@
+// test.js
+// Tim Hughes <tim@twistedfury.com>
+
+/*jslint node: true, shadow:true */
+"use strict";
+
+var ethash = require('../ethash');
+var util = require('../util');
+var Keccak = require('../keccak');
+
+// sanity check hash functions
+var src = util.stringToBytes("");
+if (util.bytesToHexString(new Keccak().digest(32, src)) != "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470") throw Error("Keccak-256 failed");
+if (util.bytesToHexString(new Keccak().digest(64, src)) != "0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef2769fb160cdab33d3670680e") throw Error("Keccak-512 failed");
+
+src = new Uint32Array(src.buffer);
+var dst = new Uint32Array(8);
+new Keccak().digestWords(dst, 0, dst.length, src, 0, src.length);
+if (util.wordsToHexString(dst) != "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470") throw Error("Keccak-256 Fast failed");
+
+var dst = new Uint32Array(16);
+new Keccak().digestWords(dst, 0, dst.length, src, 0, src.length);
+if (util.wordsToHexString(dst) != "0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef2769fb160cdab33d3670680e") throw Error("Keccak-512 Fast failed");
+
+
+// init params
+var ethashParams = ethash.defaultParams();
+//ethashParams.cacheRounds = 0;
+
+// create hasher
+var seed = util.hexStringToBytes("9410b944535a83d9adf6bbdcc80e051f30676173c16ca0d32d6f1263fc246466")
+var startTime = new Date().getTime();
+var hasher = new ethash.Ethash(ethashParams, seed);
+console.log('Ethash startup took: ' + (new Date().getTime() - startTime) + "ms");
+console.log('Ethash cache hash: ' + util.bytesToHexString(hasher.cacheDigest()));
+
+var testHexString = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470";
+if (testHexString != util.bytesToHexString(util.hexStringToBytes(testHexString)))
+  throw Error("bytesToHexString or hexStringToBytes broken");
+
+
+var header = util.hexStringToBytes("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
+var nonce = util.hexStringToBytes("0000000000000000");
+var hash;
+
+startTime = new Date().getTime();
+var trials = 10;
+for (var i = 0; i < trials; ++i) {
+  hash = hasher.hash(header, nonce);
+}
+console.log("Light client hashes averaged: " + (new Date().getTime() - startTime) / trials + "ms");
+console.log("Hash = " + util.bytesToHexString(hash));