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authorobscuren <geffobscura@gmail.com>2015-03-25 21:57:49 +0800
committerobscuren <geffobscura@gmail.com>2015-03-25 21:58:12 +0800
commitff5578fc715262cd8ae62e7d0f961a6e977a8727 (patch)
tree41e4ae3d9e2ebda853bf68f0746dfbc35a534c40 /Godeps
parenta2e3bf6f3002e9914f56e08b1d6e323409ff3b4f (diff)
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updated ethash
Diffstat (limited to 'Godeps')
-rw-r--r--Godeps/Godeps.json4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go9
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js329
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js412
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js328
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json21
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/test.js (renamed from Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js)19
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js48
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/setup.py4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h43
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c92
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c14
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp10
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh7
16 files changed, 239 insertions, 1109 deletions
diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 88d34944b..5ba6bb8cf 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -22,8 +22,8 @@
},
{
"ImportPath": "github.com/ethereum/ethash",
- "Comment": "v23.1-30-gf8a0565",
- "Rev": "f8a0565cc3a20c5ad82dec3ec612645356069641"
+ "Comment": "v23.1-33-g6ecb8e6",
+ "Rev": "6ecb8e610d60240187b44f61e66b06198c26fae6"
},
{
"ImportPath": "github.com/ethereum/serpent-go",
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
index 3c24fd239..8746aaca9 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
@@ -85,7 +85,7 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) (*Params
Epoch: blockNum / epochLength,
}
C.ethash_params_init(paramsAndCache.params, C.uint32_t(uint32(blockNum)))
- paramsAndCache.cache.mem = C.malloc(C.size_t(paramsAndCache.params.cache_size))
+ paramsAndCache.cache.mem = C.malloc(paramsAndCache.params.cache_size)
seedHash, err := GetSeedHash(blockNum)
if err != nil {
@@ -118,7 +118,7 @@ func (pow *Ethash) UpdateCache(force bool) error {
func makeDAG(p *ParamsAndCache) *DAG {
d := &DAG{
- dag: C.malloc(C.size_t(p.params.full_size)),
+ dag: C.malloc(p.params.full_size),
file: false,
paramsAndCache: p,
}
@@ -360,10 +360,11 @@ func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte
}
func (pow *Ethash) Verify(block pow.Block) bool {
- return pow.verify(block.HashNoNonce().Bytes(), block.MixDigest().Bytes(), block.Difficulty(), block.NumberU64(), block.Nonce())
+
+ return pow.verify(block.HashNoNonce(), block.MixDigest(), block.Difficulty(), block.NumberU64(), block.Nonce())
}
-func (pow *Ethash) verify(hash []byte, mixDigest []byte, difficulty *big.Int, blockNum uint64, nonce uint64) bool {
+func (pow *Ethash) verify(hash common.Hash, mixDigest common.Hash, difficulty *big.Int, blockNum uint64, nonce uint64) bool {
// Make sure the block num is valid
if blockNum >= epochLength*2048 {
powlogger.Infoln(fmt.Sprintf("Block number exceeds limit, invalid (value is %v, limit is %v)",
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js
deleted file mode 100644
index 18c567452..000000000
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js
+++ /dev/null
@@ -1,329 +0,0 @@
-module.exports = [
-16776896, 16907456, 17039296, 17170112, 17301056, 17432512, 17563072,
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- 19529408, 19660096, 19791424, 19922752, 20053952, 20184896, 20315968,
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diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js
deleted file mode 100644
index ae47b0b03..000000000
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js
+++ /dev/null
@@ -1,412 +0,0 @@
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- 16886265728, 16894653056, 16903044736, 16911431296, 16919821696,
- 16928207488, 16936592768, 16944987776, 16953375616, 16961763968,
- 16970152832, 16978540928, 16986929536, 16995319168, 17003704448,
- 17012096896, 17020481152, 17028870784, 17037262208, 17045649536,
- 17054039936, 17062426496, 17070814336, 17079205504, 17087592064,
- 17095978112, 17104369024, 17112759424, 17121147776, 17129536384,
- 17137926016, 17146314368, 17154700928, 17163089792, 17171480192,
- 17179864192, 17188256896, 17196644992, 17205033856, 17213423488,
- 17221811072, 17230198912, 17238588032, 17246976896, 17255360384,
- 17263754624, 17272143232, 17280530048, 17288918912, 17297309312,
- 17305696384, 17314085504, 17322475136, 17330863744, 17339252096,
- 17347640192, 17356026496, 17364413824, 17372796544, 17381190016,
- 17389583488, 17397972608, 17406360704, 17414748544, 17423135872,
- 17431527296, 17439915904, 17448303232, 17456691584, 17465081728,
- 17473468288, 17481857408, 17490247552, 17498635904, 17507022464,
- 17515409024, 17523801728, 17532189824, 17540577664, 17548966016,
- 17557353344, 17565741184, 17574131584, 17582519168, 17590907008,
- 17599296128, 17607687808, 17616076672, 17624455808, 17632852352,
- 17641238656, 17649630848, 17658018944, 17666403968, 17674794112,
- 17683178368, 17691573376, 17699962496, 17708350592, 17716739968,
- 17725126528, 17733517184, 17741898112, 17750293888, 17758673024,
- 17767070336, 17775458432, 17783848832, 17792236928, 17800625536,
- 17809012352, 17817402752, 17825785984, 17834178944, 17842563968,
- 17850955648, 17859344512, 17867732864, 17876119424, 17884511872,
- 17892900224, 17901287296, 17909677696, 17918058112, 17926451072,
- 17934843776, 17943230848, 17951609216, 17960008576, 17968397696,
- 17976784256, 17985175424, 17993564032, 18001952128, 18010339712,
- 18018728576, 18027116672, 18035503232, 18043894144, 18052283264,
- 18060672128, 18069056384, 18077449856, 18085837184, 18094225792,
- 18102613376, 18111004544, 18119388544, 18127781248, 18136170368,
- 18144558976, 18152947328, 18161336192, 18169724288, 18178108544,
- 18186498944, 18194886784, 18203275648, 18211666048, 18220048768,
- 18228444544, 18236833408, 18245220736
-];
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js
index edff47e63..bec1284f6 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js
@@ -7,192 +7,184 @@
var Keccak = require('./keccak');
var util = require('./util');
-var ethUtil = require('ethereumjs-util');
// 32-bit unsigned modulo
-function mod32(x, n) {
- return (x >>> 0) % (n >>> 0);
+function mod32(x, n)
+{
+ return (x>>>0) % (n>>>0);
}
-function fnv(x, y) {
- // js integer multiply by 0x01000193 will lose precision
- return ((x * 0x01000000 | 0) + (x * 0x193 | 0)) ^ y;
+function fnv(x, y)
+{
+ // js integer multiply by 0x01000193 will lose precision
+ return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y;
}
-function computeCache(params, seedWords) {
- var cache = new Uint32Array(params.cacheSize >> 2);
- var cacheNodeCount = params.cacheSize >> 6;
-
- // Initialize cache
- var keccak = new Keccak();
- keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
- for (var n = 1; n < cacheNodeCount; ++n) {
- keccak.digestWords(cache, n << 4, 16, cache, (n - 1) << 4, 16);
- }
-
- var tmp = new Uint32Array(16);
-
- // Do randmemohash passes
- for (var r = 0; r < params.cacheRounds; ++r) {
- for (var n = 0; n < cacheNodeCount; ++n) {
- var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
- var p1 = mod32(cache[n << 4 | 0], cacheNodeCount) << 4;
-
- for (var w = 0; w < 16; w = (w + 1) | 0) {
- tmp[w] = cache[p0 | w] ^ cache[p1 | w];
- }
-
- keccak.digestWords(cache, n << 4, 16, tmp, 0, tmp.length);
- }
- }
- return cache;
+function computeCache(params, seedWords)
+{
+ var cache = new Uint32Array(params.cacheSize >> 2);
+ var cacheNodeCount = params.cacheSize >> 6;
+
+ // Initialize cache
+ var keccak = new Keccak();
+ keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
+ for (var n = 1; n < cacheNodeCount; ++n)
+ {
+ keccak.digestWords(cache, n<<4, 16, cache, (n-1)<<4, 16);
+ }
+
+ var tmp = new Uint32Array(16);
+
+ // Do randmemohash passes
+ for (var r = 0; r < params.cacheRounds; ++r)
+ {
+ for (var n = 0; n < cacheNodeCount; ++n)
+ {
+ var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
+ var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4;
+
+ for (var w = 0; w < 16; w=(w+1)|0)
+ {
+ tmp[w] = cache[p0 | w] ^ cache[p1 | w];
+ }
+
+ keccak.digestWords(cache, n<<4, 16, tmp, 0, tmp.length);
+ }
+ }
+ return cache;
}
-function computeDagNode(o_node, params, cache, keccak, nodeIndex) {
- var cacheNodeCount = params.cacheSize >> 6;
- var dagParents = params.dagParents;
-
- var c = (nodeIndex % cacheNodeCount) << 4;
- var mix = o_node;
- for (var w = 0; w < 16; ++w) {
- mix[w] = cache[c | w];
- }
- mix[0] ^= nodeIndex;
- keccak.digestWords(mix, 0, 16, mix, 0, 16);
-
- for (var p = 0; p < dagParents; ++p) {
- // compute cache node (word) index
- c = mod32(fnv(nodeIndex ^ p, mix[p & 15]), cacheNodeCount) << 4;
-
- for (var w = 0; w < 16; ++w) {
- mix[w] = fnv(mix[w], cache[c | w]);
- }
- }
-
- keccak.digestWords(mix, 0, 16, mix, 0, 16);
+function computeDagNode(o_node, params, cache, keccak, nodeIndex)
+{
+ var cacheNodeCount = params.cacheSize >> 6;
+ var dagParents = params.dagParents;
+
+ var c = (nodeIndex % cacheNodeCount) << 4;
+ var mix = o_node;
+ for (var w = 0; w < 16; ++w)
+ {
+ mix[w] = cache[c|w];
+ }
+ mix[0] ^= nodeIndex;
+ keccak.digestWords(mix, 0, 16, mix, 0, 16);
+
+ for (var p = 0; p < dagParents; ++p)
+ {
+ // compute cache node (word) index
+ c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4;
+
+ for (var w = 0; w < 16; ++w)
+ {
+ mix[w] = fnv(mix[w], cache[c|w]);
+ }
+ }
+
+ keccak.digestWords(mix, 0, 16, mix, 0, 16);
}
-function computeHashInner(mix, params, cache, keccak, tempNode) {
- var mixParents = params.mixParents | 0;
- var mixWordCount = params.mixSize >> 2;
- var mixNodeCount = mixWordCount >> 4;
- var dagPageCount = (params.dagSize / params.mixSize) >> 0;
-
- // grab initial first word
- var s0 = mix[0];
-
- // initialise mix from initial 64 bytes
- for (var w = 16; w < mixWordCount; ++w) {
- mix[w] = mix[w & 15];
- }
-
- for (var a = 0; a < mixParents; ++a) {
- var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount - 1)]), dagPageCount);
- var d = (p * mixNodeCount) | 0;
-
- for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16) {
- computeDagNode(tempNode, params, cache, keccak, (d + n) | 0);
-
- for (var v = 0; v < 16; ++v) {
- mix[w | v] = fnv(mix[w | v], tempNode[v]);
- }
- }
- }
+function computeHashInner(mix, params, cache, keccak, tempNode)
+{
+ var mixParents = params.mixParents|0;
+ var mixWordCount = params.mixSize >> 2;
+ var mixNodeCount = mixWordCount >> 4;
+ var dagPageCount = (params.dagSize / params.mixSize) >> 0;
+
+ // grab initial first word
+ var s0 = mix[0];
+
+ // initialise mix from initial 64 bytes
+ for (var w = 16; w < mixWordCount; ++w)
+ {
+ mix[w] = mix[w & 15];
+ }
+
+ for (var a = 0; a < mixParents; ++a)
+ {
+ var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount);
+ var d = (p * mixNodeCount)|0;
+
+ for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16)
+ {
+ computeDagNode(tempNode, params, cache, keccak, (d + n)|0);
+
+ for (var v = 0; v < 16; ++v)
+ {
+ mix[w|v] = fnv(mix[w|v], tempNode[v]);
+ }
+ }
+ }
}
-function convertSeed(seed) {
- // todo, reconcile with spec, byte ordering?
- // todo, big-endian conversion
- var newSeed = util.toWords(seed);
- if (newSeed === null)
- throw Error("Invalid seed '" + seed + "'");
- return newSeed;
+function convertSeed(seed)
+{
+ // todo, reconcile with spec, byte ordering?
+ // todo, big-endian conversion
+ var newSeed = util.toWords(seed);
+ if (newSeed === null)
+ throw Error("Invalid seed '" + seed + "'");
+ return newSeed;
}
-var params = exports.params = {
- REVISION: 23,
- DATASET_BYTES_INIT: 1073741824,
- DATASET_BYTES_GROWTH: 8388608,
- CACHE_BYTES_INIT: 1073741824,
- CACHE_BYTES_GROWTH: 131072,
- EPOCH_LENGTH: 30000,
- MIX_BYTES: 128,
- HASH_BYTES: 64,
- DATASET_PARENTS: 256,
- CACHE_ROUNDS: 3,
- ACCESSES: 64
-};
-
-var cache_sizes = require('./cache_sizes');
-var dag_sizes = require('./dag_sizes');
-
-exports.calcSeed = function(blockNum) {
- var epoch;
-
- var seed = new Uint8Array(32);
-
- if (blockNum > cache_sizes.length * params.EPOCH_LENGTH) {
- return new Error('Time to upgrade to POS!!!');
- } else {
- epoch = Math.floor(blockNum / params.EPOCH_LENGTH);
-
- for (var i = 0; i < epoch; i++) {
- seed = ethUtil.sha3(new Buffer(seed));
- }
- return seed;
- }
+exports.defaultParams = function()
+{
+ return {
+ cacheSize: 1048384,
+ cacheRounds: 3,
+ dagSize: 1073739904,
+ dagParents: 256,
+ mixSize: 128,
+ mixParents: 64,
+ };
};
-exports.defaultParams = function() {
- return {
- cacheSize: 1048384,
- cacheRounds: 3,
- dagSize: 1073739904,
- dagParents: 256,
- mixSize: 128,
- mixParents: 64
- };
+exports.Ethash = function(params, seed)
+{
+ // precompute cache and related values
+ seed = convertSeed(seed);
+ var cache = computeCache(params, seed);
+
+ // preallocate buffers/etc
+ var initBuf = new ArrayBuffer(96);
+ var initBytes = new Uint8Array(initBuf);
+ var initWords = new Uint32Array(initBuf);
+ var mixWords = new Uint32Array(params.mixSize / 4);
+ var tempNode = new Uint32Array(16);
+ var keccak = new Keccak();
+
+ var retWords = new Uint32Array(8);
+ var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
+
+ this.hash = function(header, nonce)
+ {
+ // compute initial hash
+ initBytes.set(header, 0);
+ initBytes.set(nonce, 32);
+ keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length/4);
+
+ // compute mix
+ for (var i = 0; i != 16; ++i)
+ {
+ mixWords[i] = initWords[i];
+ }
+ computeHashInner(mixWords, params, cache, keccak, tempNode);
+
+ // compress mix and append to initWords
+ for (var i = 0; i != mixWords.length; i += 4)
+ {
+ initWords[16 + i/4] = fnv(fnv(fnv(mixWords[i], mixWords[i+1]), mixWords[i+2]), mixWords[i+3]);
+ }
+
+ // final Keccak hashes
+ keccak.digestWords(retWords, 0, 8, initWords, 0, 24); // Keccak-256(s + cmix)
+ return retBytes;
+ };
+
+ this.cacheDigest = function()
+ {
+ return keccak.digest(32, new Uint8Array(cache.buffer));
+ };
};
-exports.Ethash = function(params, seed) {
- // precompute cache and related values
- // seed = convertSeed(seed);
- var cache = computeCache(params, seed);
-
- // preallocate buffers/etc
- var initBuf = new ArrayBuffer(96);
- var initBytes = new Uint8Array(initBuf);
- var initWords = new Uint32Array(initBuf);
- var mixWords = new Uint32Array(params.mixSize / 4);
- var tempNode = new Uint32Array(16);
- var keccak = new Keccak();
-
- var retWords = new Uint32Array(8);
- var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
- this.hash = function(header, nonce) {
- // compute initial hash
- initBytes.set(header, 0);
- initBytes.set(nonce, 32);
- keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length / 4);
- // compute mix
- for (var i = 0; i !== 16; ++i) {
- mixWords[i] = initWords[i];
- }
- computeHashInner(mixWords, params, cache, keccak, tempNode);
- // compress mix and append to initWords
- for (var i = 0; i !== mixWords.length; i += 4) {
- initWords[16 + i / 4] = fnv(fnv(fnv(mixWords[i], mixWords[i + 1]), mixWords[i + 2]), mixWords[i + 3]);
- }
-
- // final Keccak hashes
- keccak.digestWords(retWords, 0, 8, initWords, 0, 24); // Keccak-256(s + cmix)
- return retBytes;
- };
-
- this.cacheDigest = function() {
- return keccak.digest(32, new Uint8Array(cache.buffer));
- };
-};
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json b/Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json
deleted file mode 100644
index 08a14d479..000000000
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
- "name": "ethash.js",
- "version": "0.0.1",
- "description": "",
- "main": "ethash.js",
- "scripts": {
- "test": "node ./test/test.js"
- },
- "repository": {
- "type": "git",
- "url": "https://github.com/ethereum/ethash/tree/master/js"
- },
- "keywords": [
- "ethereum"
- ],
- "author": "",
- "license": "mit",
- "devDependencies": {
- "ethereum-tests": "0.0.5"
- }
-}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test.js
index edffa268f..7ebb733ff 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/js/test.js
@@ -4,9 +4,9 @@
/*jslint node: true, shadow:true */
"use strict";
-var ethash = require('../ethash');
-var util = require('../util');
-var Keccak = require('../keccak');
+var ethash = require('./ethash');
+var util = require('./util');
+var Keccak = require('./keccak');
// sanity check hash functions
var src = util.stringToBytes("");
@@ -31,22 +31,23 @@ var ethashParams = ethash.defaultParams();
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 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");
-
+ 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);
+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("Light client hashes averaged: " + (new Date().getTime() - startTime)/trials + "ms");
console.log("Hash = " + util.bytesToHexString(hash));
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
deleted file mode 100644
index a3666a9ed..000000000
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js
+++ /dev/null
@@ -1,48 +0,0 @@
-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/setup.py b/Godeps/_workspace/src/github.com/ethereum/ethash/setup.py
index eedd337ae..29d6ad6d2 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/setup.py
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/setup.py
@@ -25,9 +25,9 @@ setup (
author = "Matthew Wampler-Doty",
author_email = "matthew.wampler.doty@gmail.com",
license = 'GPL',
- version = '23.1',
+ version = '23',
url = 'https://github.com/ethereum/ethash',
- download_url = 'https://github.com/ethereum/ethash/tarball/v23.1',
+ download_url = 'https://github.com/ethereum/ethash/tarball/v23',
description = 'Python wrappers for ethash, the ethereum proof of work hashing function',
ext_modules = [pyethash],
)
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
index cf52ae4f8..3b747b3ea 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
@@ -48,7 +48,7 @@ extern "C" {
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
-static const uint64_t dag_sizes[2048] = {
+static const size_t dag_sizes[2048] = {
1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
@@ -477,7 +477,7 @@ static const uint64_t dag_sizes[2048] = {
// While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
-const uint64_t cache_sizes[2048] = {
+const size_t cache_sizes[2048] = {
16776896U, 16907456U, 17039296U, 17170112U, 17301056U, 17432512U, 17563072U,
17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U,
18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U,
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
index cc3d634d0..a7159de65 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
@@ -43,8 +43,8 @@ extern "C" {
#endif
typedef struct ethash_params {
- uint64_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
- uint64_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
+ size_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
+ size_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
} ethash_params;
typedef struct ethash_return_value {
@@ -52,52 +52,45 @@ typedef struct ethash_return_value {
uint8_t mix_hash[32];
} ethash_return_value;
-uint64_t ethash_get_datasize(const uint32_t block_number);
-uint64_t ethash_get_cachesize(const uint32_t block_number);
+size_t ethash_get_datasize(const uint32_t block_number);
+size_t ethash_get_cachesize(const uint32_t block_number);
-// Initialize the Parameters
-static inline int ethash_params_init(ethash_params *params, const uint32_t block_number) {
+// initialize the parameters
+static inline void ethash_params_init(ethash_params *params, const uint32_t block_number) {
params->full_size = ethash_get_datasize(block_number);
- if (params->full_size == 0)
- return 0;
-
params->cache_size = ethash_get_cachesize(block_number);
- if (params->cache_size == 0)
- return 0;
-
- return 1;
}
typedef struct ethash_cache {
void *mem;
} ethash_cache;
-int ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]);
-int ethash_compute_full_data(void *mem, ethash_params const *params, ethash_cache const *cache);
-int ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
-int ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
+void ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]);
+void ethash_compute_full_data(void *mem, ethash_params const *params, ethash_cache const *cache);
+void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
+void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
void ethash_get_seedhash(uint8_t seedhash[32], const uint32_t block_number);
-static inline int ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) {
+static inline void ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) {
ethash_cache c;
c.mem = cache;
- return ethash_mkcache(&c, params, seed);
+ ethash_mkcache(&c, params, seed);
}
-static inline int ethash_compute_light(ethash_return_value *ret, void const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
+static inline void ethash_compute_light(ethash_return_value *ret, void const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
ethash_cache c;
c.mem = (void *) cache;
- return ethash_light(ret, &c, params, header_hash, nonce);
+ ethash_light(ret, &c, params, header_hash, nonce);
}
-static inline int ethash_prep_full(void *full, ethash_params const *params, void const *cache) {
+static inline void ethash_prep_full(void *full, ethash_params const *params, void const *cache) {
ethash_cache c;
c.mem = (void *) cache;
- return ethash_compute_full_data(full, params, &c);
+ ethash_compute_full_data(full, params, &c);
}
-static inline int ethash_compute_full(ethash_return_value *ret, void const *full, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
- return ethash_full(ret, full, params, header_hash, nonce);
+static inline void ethash_compute_full(ethash_return_value *ret, void const *full, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) {
+ ethash_full(ret, full, params, header_hash, nonce);
}
// Returns if hash is less than or equal to difficulty
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
index c8748408a..0a7e767e7 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
@@ -20,6 +20,7 @@
* @date 2015
*/
+#include <assert.h>
#include <inttypes.h>
#include <stddef.h>
#include "ethash.h"
@@ -28,9 +29,6 @@
#include "internal.h"
#include "data_sizes.h"
-// Inline assembly doesn't work
-#define ENABLE_SSE 0
-
#ifdef WITH_CRYPTOPP
#include "sha3_cryptopp.h"
@@ -39,29 +37,24 @@
#include "sha3.h"
#endif // WITH_CRYPTOPP
-uint64_t ethash_get_datasize(const uint32_t block_number) {
- if (block_number / EPOCH_LENGTH >= 2048)
- return 0;
+size_t ethash_get_datasize(const uint32_t block_number) {
+ assert(block_number / EPOCH_LENGTH < 2048);
return dag_sizes[block_number / EPOCH_LENGTH];
}
-uint64_t ethash_get_cachesize(const uint32_t block_number) {
- if (block_number / EPOCH_LENGTH >= 2048)
- return 0;
+size_t ethash_get_cachesize(const uint32_t block_number) {
+ assert(block_number / EPOCH_LENGTH < 2048);
return cache_sizes[block_number / EPOCH_LENGTH];
}
// Follows Sergio's "STRICT MEMORY HARD HASHING FUNCTIONS" (2014)
// https://bitslog.files.wordpress.com/2013/12/memohash-v0-3.pdf
// SeqMemoHash(s, R, N)
-int static ethash_compute_cache_nodes(
+void static ethash_compute_cache_nodes(
node *const nodes,
ethash_params const *params,
const uint8_t seed[32]) {
-
- if ((params->cache_size % sizeof(node)) != 0)
- return 0;
-
+ assert((params->cache_size % sizeof(node)) == 0);
uint32_t const num_nodes = (uint32_t) (params->cache_size / sizeof(node));
SHA3_512(nodes[0].bytes, seed, 32);
@@ -89,27 +82,22 @@ int static ethash_compute_cache_nodes(
nodes->words[w] = fix_endian32(nodes->words[w]);
}
#endif
-
- return 1;
}
-int ethash_mkcache(
+void ethash_mkcache(
ethash_cache *cache,
ethash_params const *params,
const uint8_t seed[32]) {
node *nodes = (node *) cache->mem;
- return ethash_compute_cache_nodes(nodes, params, seed);
+ ethash_compute_cache_nodes(nodes, params, seed);
}
-int ethash_calculate_dag_item(
+void ethash_calculate_dag_item(
node *const ret,
- const uint64_t node_index,
+ const unsigned node_index,
const struct ethash_params *params,
const struct ethash_cache *cache) {
- if (params->cache_size % sizeof(node) != 0)
- return 0;
-
uint32_t num_parent_nodes = (uint32_t) (params->cache_size / sizeof(node));
node const *cache_nodes = (node const *) cache->mem;
node const *init = &cache_nodes[node_index % num_parent_nodes];
@@ -157,58 +145,23 @@ int ethash_calculate_dag_item(
}
SHA3_512(ret->bytes, ret->bytes, sizeof(node));
- return 1;
}
-int ethash_compute_full_data(
+void ethash_compute_full_data(
void *mem,
ethash_params const *params,
ethash_cache const *cache) {
-
- if ((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) != 0)
- return 0;
-
- if ((params->full_size % sizeof(node)) != 0)
- return 0;
-
- node *full_nodes = mem;
-
- // now compute full nodes
- for (uint64_t n = 0; n != (params->full_size / sizeof(node)); ++n) {
- ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
- }
- return 1;
-}
-
-int ethash_compute_full_data_section(
- void *mem,
- ethash_params const *params,
- ethash_cache const *cache,
- uint64_t const start,
- uint64_t const end) {
-
- if ((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) != 0)
- return 0;
-
- if ((params->full_size % sizeof(node)) != 0)
- return 0;
-
- if (end >= params->full_size)
- return 0;
-
- if (start >= end)
- return 0;
-
+ assert((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) == 0);
+ assert((params->full_size % sizeof(node)) == 0);
node *full_nodes = mem;
// now compute full nodes
- for (uint64_t n = start; n != end; ++n) {
+ for (unsigned n = 0; n != (params->full_size / sizeof(node)); ++n) {
ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
}
- return 1;
}
-static int ethash_hash(
+static void ethash_hash(
ethash_return_value *ret,
node const *full_nodes,
ethash_cache const *cache,
@@ -216,10 +169,10 @@ static int ethash_hash(
const uint8_t header_hash[32],
const uint64_t nonce) {
- if ((params->full_size % MIX_WORDS) != 0)
- return 0;
+ assert((params->full_size % MIX_WORDS) == 0);
// pack hash and nonce together into first 40 bytes of s_mix
+ assert(sizeof(node) * 8 == 512);
node s_mix[MIX_NODES + 1];
memcpy(s_mix[0].bytes, header_hash, 32);
@@ -301,7 +254,6 @@ static int ethash_hash(
memcpy(ret->mix_hash, mix->bytes, 32);
// final Keccak hash
SHA3_256(ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix)
- return 1;
}
void ethash_quick_hash(
@@ -339,10 +291,10 @@ int ethash_quick_check_difficulty(
return ethash_check_difficulty(return_hash, difficulty);
}
-int ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
- return ethash_hash(ret, (node const *) full_mem, NULL, params, previous_hash, nonce);
+void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
+ ethash_hash(ret, (node const *) full_mem, NULL, params, previous_hash, nonce);
}
-int ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
- return ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
+void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
+ ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
} \ No newline at end of file
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h
index dc79b35b4..ddd06e8f4 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h
@@ -30,9 +30,9 @@ typedef union node {
} node;
-int ethash_calculate_dag_item(
+void ethash_calculate_dag_item(
node *const ret,
- const uint64_t node_index,
+ const unsigned node_index,
ethash_params const *params,
ethash_cache const *cache
);
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
index 6d0a40ad0..359735998 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
@@ -58,7 +58,7 @@ mkcache_bytes(PyObject *self, PyObject *args) {
}
ethash_params params;
- params.cache_size = (uint64_t) cache_size;
+ params.cache_size = (size_t) cache_size;
ethash_cache cache;
cache.mem = malloc(cache_size);
ethash_mkcache(&cache, &params, (uint8_t *) seed);
@@ -92,8 +92,8 @@ calc_dataset_bytes(PyObject *self, PyObject *args) {
}
ethash_params params;
- params.cache_size = (uint64_t) cache_size;
- params.full_size = (uint64_t) full_size;
+ params.cache_size = (size_t) cache_size;
+ params.full_size = (size_t) full_size;
ethash_cache cache;
cache.mem = (void *) cache_bytes;
void *mem = malloc(params.full_size);
@@ -138,8 +138,8 @@ hashimoto_light(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
- params.cache_size = (uint64_t) cache_size;
- params.full_size = (uint64_t) full_size;
+ params.cache_size = (size_t) cache_size;
+ params.full_size = (size_t) full_size;
ethash_cache cache;
cache.mem = (void *) cache_bytes;
ethash_light(&out, &cache, &params, (uint8_t *) header, nonce);
@@ -175,7 +175,7 @@ hashimoto_full(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
- params.full_size = (uint64_t) full_size;
+ params.full_size = (size_t) full_size;
ethash_full(&out, (void *) full_bytes, &params, (uint8_t *) header, nonce);
return Py_BuildValue("{s:s#, s:s#}",
"mix digest", out.mix_hash, 32,
@@ -216,7 +216,7 @@ mine(PyObject *self, PyObject *args) {
ethash_return_value out;
ethash_params params;
- params.full_size = (uint64_t) full_size;
+ params.full_size = (size_t) full_size;
// TODO: Multi threading?
do {
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
index 8c854ecbd..21cb251fc 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
@@ -17,7 +17,7 @@
#include <boost/test/unit_test.hpp>
#include <iostream>
-std::string bytesToHexString(const uint8_t *str, const uint32_t s) {
+std::string bytesToHexString(const uint8_t *str, const size_t s) {
std::ostringstream ret;
for (int i = 0; i < s; ++i)
@@ -80,11 +80,9 @@ BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_check) {
BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_calcifide_check) {
ethash_params params;
- BOOST_REQUIRE_MESSAGE(ethash_params_init(&params, 0),
- "Params could not be initialized");
- const uint32_t
- expected_full_size = 1073739904,
- expected_cache_size = 16776896;
+ ethash_params_init(&params, 0);
+ const uint32_t expected_full_size = 1073739904;
+ const uint32_t expected_cache_size = 16776896;
BOOST_REQUIRE_MESSAGE(params.full_size == expected_full_size,
"\nexpected: " << expected_cache_size << "\n"
<< "actual: " << params.full_size << "\n");
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh b/Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh
index 71e53d978..fd3508609 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh
@@ -14,8 +14,11 @@ TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
echo -e "\n################# Testing JS ##################"
# TODO: Use mocha and real testing tools instead of rolling our own
cd $TEST_DIR/../js
-if [ -x "$(which npm)" ] ; then
- npm test
+if [ -x "$(which nodejs)" ] ; then
+ nodejs test.js
+fi
+if [ -x "$(which node)" ] ; then
+ node test.js
fi
echo -e "\n################# Testing C ##################"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 14:06:37 +0800