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Merge pull request #559 from Gustav-Simonsson/blocktests_update_ethash 

Update ethash lib
This commit is contained in:
Jeffrey Wilcke 2015-03-24 19:14:20 +01:00
parent c38a3b4cc7 b0c4dc8df8
commit a33a325ac1
19 changed files with 1294 additions and 1700 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Godeps/Godeps.json generated
View File

@ -22,8 +22,8 @@
}, },
{ {
"ImportPath": "github.com/ethereum/ethash", "ImportPath": "github.com/ethereum/ethash",
"Comment": "v23.1-26-g934bb4f", "Comment": "v23-16-g7ec1d23",
"Rev": "934bb4f5060ab69d96fb6eba4b9a57facc4e160b" "Rev": "7ec1d23bece027001acc81e791911c65db9d8ae9"
}, },
{ {
"ImportPath": "github.com/ethereum/serpent-go", "ImportPath": "github.com/ethereum/serpent-go",

14
Godeps/_workspace/src/github.com/ethereum/ethash/cmake/modules/FindOpenCL.cmake generated vendored
View File

@ -118,7 +118,19 @@ if(WIN32)
endif() endif()
else() else()
find_library(OpenCL_LIBRARY find_library(OpenCL_LIBRARY
NAMES OpenCL) NAMES OpenCL
PATHS
ENV "PROGRAMFILES(X86)"
ENV AMDAPPSDKROOT
ENV INTELOCLSDKROOT
ENV CUDA_PATH
ENV NVSDKCOMPUTE_ROOT
ENV ATISTREAMSDKROOT
PATH_SUFFIXES
"AMD APP/lib/x86_64"
lib/x86_64
lib/x64
OpenCL/common/lib/x64)
endif() endif()
set(OpenCL_LIBRARIES ${OpenCL_LIBRARY}) set(OpenCL_LIBRARIES ${OpenCL_LIBRARY})

4
Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go generated vendored
View File

@ -85,7 +85,7 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) (*Params
Epoch: blockNum / epochLength, Epoch: blockNum / epochLength,
} }
C.ethash_params_init(paramsAndCache.params, C.uint32_t(uint32(blockNum))) 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) seedHash, err := GetSeedHash(blockNum)
if err != nil { if err != nil {
@ -118,7 +118,7 @@ func (pow *Ethash) UpdateCache(force bool) error {
func makeDAG(p *ParamsAndCache) *DAG { func makeDAG(p *ParamsAndCache) *DAG {
d := &DAG{ d := &DAG{
dag: C.malloc(C.size_t(p.params.full_size)), dag: C.malloc(p.params.full_size),
file: false, file: false,
paramsAndCache: p, paramsAndCache: p,
} }

329
Godeps/_workspace/src/github.com/ethereum/ethash/js/cache_sizes.js generated vendored
View File

@ -1,329 +0,0 @@
module.exports = [
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203947712, 204078272, 204208192, 204341056, 204472256, 204603328,
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205517632, 205650112, 205782208, 205913536, 206044736, 206176192,
206307008, 206434496, 206569024, 206700224, 206831168, 206961856,
207093056, 207223616, 207355328, 207486784, 207616832, 207749056,
207879104, 208010048, 208141888, 208273216, 208404032, 208534336,
208666048, 208796864, 208927424, 209059264, 209189824, 209321792,
209451584, 209582656, 209715136, 209845568, 209976896, 210106432,
210239296, 210370112, 210501568, 210630976, 210763712, 210894272,
211024832, 211156672, 211287616, 211418176, 211549376, 211679296,
211812032, 211942592, 212074432, 212204864, 212334016, 212467648,
212597824, 212727616, 212860352, 212991424, 213120832, 213253952,
213385024, 213515584, 213645632, 213777728, 213909184, 214040128,
214170688, 214302656, 214433728, 214564544, 214695232, 214826048,
214956992, 215089088, 215219776, 215350592, 215482304, 215613248,
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217316672, 217448128, 217579072, 217709504, 217838912, 217972672,
218102848, 218233024, 218364736, 218496832, 218627776, 218759104,
218888896, 219021248, 219151936, 219281728, 219413056, 219545024,
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220461632, 220592704, 220725184, 220855744, 220987072, 221117888,
221249216, 221378368, 221510336, 221642048, 221772736, 221904832,
222031808, 222166976, 222297536, 222428992, 222559936, 222690368,
222820672, 222953152, 223083968, 223213376, 223345984, 223476928,
223608512, 223738688, 223869376, 224001472, 224132672, 224262848,
224394944, 224524864, 224657344, 224788288, 224919488, 225050432,
225181504, 225312704, 225443776, 225574592, 225704768, 225834176,
225966784, 226097216, 226229824, 226360384, 226491712, 226623424,
226754368, 226885312, 227015104, 227147456, 227278528, 227409472,
227539904, 227669696, 227802944, 227932352, 228065216, 228196288,
228326464, 228457792, 228588736, 228720064, 228850112, 228981056,
229113152, 229243328, 229375936, 229505344, 229636928, 229769152,
229894976, 230030272, 230162368, 230292416, 230424512, 230553152,
230684864, 230816704, 230948416, 231079616, 231210944, 231342016,
231472448, 231603776, 231733952, 231866176, 231996736, 232127296,
232259392, 232388672, 232521664, 232652608, 232782272, 232914496,
233043904, 233175616, 233306816, 233438528, 233569984, 233699776,
233830592, 233962688, 234092224, 234221888, 234353984, 234485312,
234618304, 234749888, 234880832, 235011776, 235142464, 235274048,
235403456, 235535936, 235667392, 235797568, 235928768, 236057152,
236190272, 236322752, 236453312, 236583616, 236715712, 236846528,
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238548032, 238681024, 238812608, 238941632, 239075008, 239206336,
239335232, 239466944, 239599168, 239730496, 239861312, 239992384,
240122816, 240254656, 240385856, 240516928, 240647872, 240779072,
240909632, 241040704, 241171904, 241302848, 241433408, 241565248,
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245628736, 245759936, 245889856, 246021056, 246152512, 246284224,
246415168, 246545344, 246675904, 246808384, 246939584, 247070144,
247199552, 247331648, 247463872, 247593536, 247726016, 247857088,
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250345792, 250478528, 250608704, 250739264, 250870976, 251002816,
251133632, 251263552, 251395136, 251523904, 251657792, 251789248,
251919424, 252051392, 252182464, 252313408, 252444224, 252575552,
252706624, 252836032, 252968512, 253099712, 253227584, 253361728,
253493056, 253623488, 253754432, 253885504, 254017216, 254148032,
254279488, 254410432, 254541376, 254672576, 254803264, 254933824,
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255851072, 255983296, 256114624, 256244416, 256374208, 256507712,
256636096, 256768832, 256900544, 257031616, 257162176, 257294272,
257424448, 257555776, 257686976, 257818432, 257949632, 258079552,
258211136, 258342464, 258473408, 258603712, 258734656, 258867008,
258996544, 259127744, 259260224, 259391296, 259522112, 259651904,
259784384, 259915328, 260045888, 260175424, 260308544, 260438336,
260570944, 260700992, 260832448, 260963776, 261092672, 261226304,
261356864, 261487936, 261619648, 261750592, 261879872, 262011968,
262143424, 262274752, 262404416, 262537024, 262667968, 262799296,
262928704, 263061184, 263191744, 263322944, 263454656, 263585216,
263716672, 263847872, 263978944, 264108608, 264241088, 264371648,
264501184, 264632768, 264764096, 264895936, 265024576, 265158464,
265287488, 265418432, 265550528, 265681216, 265813312, 265943488,
266075968, 266206144, 266337728, 266468032, 266600384, 266731072,
266862272, 266993344, 267124288, 267255616, 267386432, 267516992,
267648704, 267777728, 267910592, 268040512, 268172096, 268302784,
268435264, 268566208, 268696256, 268828096, 268959296, 269090368,
269221312, 269352256, 269482688, 269614784, 269745856, 269876416,
270007616, 270139328, 270270272, 270401216, 270531904, 270663616,
270791744, 270924736, 271056832, 271186112, 271317184, 271449536,
271580992, 271711936, 271843136, 271973056, 272105408, 272236352,
272367296, 272498368, 272629568, 272759488, 272891456, 273022784,
273153856, 273284672, 273415616, 273547072, 273677632, 273808448,
273937088, 274071488, 274200896, 274332992, 274463296, 274595392,
274726208, 274857536, 274988992, 275118656, 275250496, 275382208,
275513024, 275643968, 275775296, 275906368, 276037184, 276167872,
276297664, 276429376, 276560576, 276692672, 276822976, 276955072,
277085632, 277216832, 277347008, 277478848, 277609664, 277740992,
277868608, 278002624, 278134336, 278265536, 278395328, 278526784,
278657728, 278789824, 278921152, 279052096, 279182912, 279313088,
279443776, 279576256, 279706048, 279838528, 279969728, 280099648,
280230976, 280361408, 280493632, 280622528, 280755392, 280887104,
281018176, 281147968, 281278912, 281411392, 281542592, 281673152,
281803712, 281935552, 282066496, 282197312, 282329024, 282458816,
282590272, 282720832, 282853184, 282983744, 283115072, 283246144,
283377344, 283508416, 283639744, 283770304, 283901504, 284032576,
284163136, 284294848, 284426176, 284556992, 284687296, 284819264,
284950208, 285081536
];

412
Godeps/_workspace/src/github.com/ethereum/ethash/js/dag_sizes.js generated vendored
View File

@ -1,412 +0,0 @@
module.exports = [
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3422551936, 3430937984, 3439328384, 3447714176, 3456104576,
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4303349632, 4311743104, 4320130432, 4328521088, 4336909184,
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5351929472, 5360319872, 5368706944, 5377096576, 5385484928,
5393871232, 5402263424, 5410650496, 5419040384, 5427426944,
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5645528192, 5653921408, 5662310272, 5670694784, 5679082624,
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5729416832, 5737806208, 5746194304, 5754583936, 5762969984,
5771358592, 5779748224, 5788137856, 5796527488, 5804911232,
5813300608, 5821692544, 5830082176, 5838468992, 5846855552,
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5897186432, 5905576832, 5913966976, 5922352768, 5930744704,
5939132288, 5947522432, 5955911296, 5964299392, 5972688256,
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6148849024, 6157237376, 6165624704, 6174009728, 6182403712,
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6316620928, 6325006208, 6333395584, 6341784704, 6350174848,
6358562176, 6366951296, 6375337856, 6383729536, 6392119168,
6400504192, 6408895616, 6417283456, 6425673344, 6434059136,
6442444672, 6450837376, 6459223424, 6467613056, 6476004224,
6484393088, 6492781952, 6501170048, 6509555072, 6517947008,
6526336384, 6534725504, 6543112832, 6551500672, 6559888768,
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6610219648, 6618610304, 6626999168, 6635385472, 6643777408,
6652164224, 6660552832, 6668941952, 6677330048, 6685719424,
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6736052096, 6744437632, 6752825984, 6761213824, 6769604224,
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6861880448, 6870269312, 6878655104, 6887046272, 6895433344,
6903822208, 6912212864, 6920596864, 6928988288, 6937377152,
6945764992, 6954149248, 6962544256, 6970928768, 6979317376,
6987709312, 6996093824, 7004487296, 7012875392, 7021258624,
7029652352, 7038038912, 7046427776, 7054818944, 7063207808,
7071595136, 7079980928, 7088372608, 7096759424, 7105149824,
7113536896, 7121928064, 7130315392, 7138699648, 7147092352,
7155479168, 7163865728, 7172249984, 7180648064, 7189036672,
7197424768, 7205810816, 7214196608, 7222589824, 7230975104,
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7281308032, 7289694848, 7298088832, 7306471808, 7314864512,
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7449080192, 7457472128, 7465860992, 7474249088, 7482635648,
7491023744, 7499412608, 7507803008, 7516192384, 7524579968,
7532967296, 7541358464, 7549745792, 7558134656, 7566524032,
7574912896, 7583300992, 7591690112, 7600075136, 7608466816,
7616854912, 7625244544, 7633629824, 7642020992, 7650410368,
7658794112, 7667187328, 7675574912, 7683961984, 7692349568,
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7742683264, 7751069056, 7759457408, 7767849088, 7776238208,
7784626816, 7793014912, 7801405312, 7809792128, 7818179968,
7826571136, 7834957184, 7843347328, 7851732352, 7860124544,
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7910455936, 7918844288, 7927230848, 7935622784, 7944009344,
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8036285056, 8044674688, 8053062272, 8061448832, 8069838464,
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18228444544, 18236833408, 18245220736
];

112
Godeps/_workspace/src/github.com/ethereum/ethash/js/ethash.js generated vendored
View File

@ -7,38 +7,44 @@
var Keccak = require('./keccak'); var Keccak = require('./keccak');
var util = require('./util'); var util = require('./util');
var ethUtil = require('ethereumjs-util');
// 32-bit unsigned modulo // 32-bit unsigned modulo
function mod32(x, n) { function mod32(x, n)
{
return (x>>>0) % (n>>>0); return (x>>>0) % (n>>>0);
} }
function fnv(x, y) { function fnv(x, y)
{
// js integer multiply by 0x01000193 will lose precision // js integer multiply by 0x01000193 will lose precision
return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y; return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y;
} }
function computeCache(params, seedWords) { function computeCache(params, seedWords)
{
var cache = new Uint32Array(params.cacheSize >> 2); var cache = new Uint32Array(params.cacheSize >> 2);
var cacheNodeCount = params.cacheSize >> 6; var cacheNodeCount = params.cacheSize >> 6;
// Initialize cache // Initialize cache
var keccak = new Keccak(); var keccak = new Keccak();
keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length); keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
for (var n = 1; n < cacheNodeCount; ++n) { for (var n = 1; n < cacheNodeCount; ++n)
{
keccak.digestWords(cache, n<<4, 16, cache, (n-1)<<4, 16); keccak.digestWords(cache, n<<4, 16, cache, (n-1)<<4, 16);
} }
var tmp = new Uint32Array(16); var tmp = new Uint32Array(16);
// Do randmemohash passes // Do randmemohash passes
for (var r = 0; r < params.cacheRounds; ++r) { for (var r = 0; r < params.cacheRounds; ++r)
for (var n = 0; n < cacheNodeCount; ++n) { {
for (var n = 0; n < cacheNodeCount; ++n)
{
var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4; var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4; var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4;
for (var w = 0; w < 16; w = (w + 1) | 0) { for (var w = 0; w < 16; w=(w+1)|0)
{
tmp[w] = cache[p0 | w] ^ cache[p1 | w]; tmp[w] = cache[p0 | w] ^ cache[p1 | w];
} }
@ -48,23 +54,27 @@ function computeCache(params, seedWords) {
return cache; return cache;
} }
function computeDagNode(o_node, params, cache, keccak, nodeIndex) { function computeDagNode(o_node, params, cache, keccak, nodeIndex)
{
var cacheNodeCount = params.cacheSize >> 6; var cacheNodeCount = params.cacheSize >> 6;
var dagParents = params.dagParents; var dagParents = params.dagParents;
var c = (nodeIndex % cacheNodeCount) << 4; var c = (nodeIndex % cacheNodeCount) << 4;
var mix = o_node; var mix = o_node;
for (var w = 0; w < 16; ++w) { for (var w = 0; w < 16; ++w)
{
mix[w] = cache[c|w]; mix[w] = cache[c|w];
} }
mix[0] ^= nodeIndex; mix[0] ^= nodeIndex;
keccak.digestWords(mix, 0, 16, mix, 0, 16); keccak.digestWords(mix, 0, 16, mix, 0, 16);
for (var p = 0; p < dagParents; ++p) { for (var p = 0; p < dagParents; ++p)
{
// compute cache node (word) index // compute cache node (word) index
c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4; c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4;
for (var w = 0; w < 16; ++w) { for (var w = 0; w < 16; ++w)
{
mix[w] = fnv(mix[w], cache[c|w]); mix[w] = fnv(mix[w], cache[c|w]);
} }
} }
@ -72,7 +82,8 @@ function computeDagNode(o_node, params, cache, keccak, nodeIndex) {
keccak.digestWords(mix, 0, 16, mix, 0, 16); keccak.digestWords(mix, 0, 16, mix, 0, 16);
} }
function computeHashInner(mix, params, cache, keccak, tempNode) { function computeHashInner(mix, params, cache, keccak, tempNode)
{
var mixParents = params.mixParents|0; var mixParents = params.mixParents|0;
var mixWordCount = params.mixSize >> 2; var mixWordCount = params.mixSize >> 2;
var mixNodeCount = mixWordCount >> 4; var mixNodeCount = mixWordCount >> 4;
@ -82,25 +93,30 @@ function computeHashInner(mix, params, cache, keccak, tempNode) {
var s0 = mix[0]; var s0 = mix[0];
// initialise mix from initial 64 bytes // initialise mix from initial 64 bytes
for (var w = 16; w < mixWordCount; ++w) { for (var w = 16; w < mixWordCount; ++w)
{
mix[w] = mix[w & 15]; mix[w] = mix[w & 15];
} }
for (var a = 0; a < mixParents; ++a) { for (var a = 0; a < mixParents; ++a)
{
var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount); var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount);
var d = (p * mixNodeCount)|0; var d = (p * mixNodeCount)|0;
for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16) { for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16)
{
computeDagNode(tempNode, params, cache, keccak, (d + n)|0); computeDagNode(tempNode, params, cache, keccak, (d + n)|0);
for (var v = 0; v < 16; ++v) { for (var v = 0; v < 16; ++v)
{
mix[w|v] = fnv(mix[w|v], tempNode[v]); mix[w|v] = fnv(mix[w|v], tempNode[v]);
} }
} }
} }
} }
function convertSeed(seed) { function convertSeed(seed)
{
// todo, reconcile with spec, byte ordering? // todo, reconcile with spec, byte ordering?
// todo, big-endian conversion // todo, big-endian conversion
var newSeed = util.toWords(seed); var newSeed = util.toWords(seed);
@ -109,54 +125,22 @@ function convertSeed(seed) {
return newSeed; return newSeed;
} }
var params = exports.params = { exports.defaultParams = function()
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 { return {
cacheSize: 1048384, cacheSize: 1048384,
cacheRounds: 3, cacheRounds: 3,
dagSize: 1073739904, dagSize: 1073739904,
dagParents: 256, dagParents: 256,
mixSize: 128, mixSize: 128,
mixParents: 64 mixParents: 64,
}; };
}; };
exports.Ethash = function(params, seed) { exports.Ethash = function(params, seed)
{
// precompute cache and related values // precompute cache and related values
// seed = convertSeed(seed); seed = convertSeed(seed);
var cache = computeCache(params, seed); var cache = computeCache(params, seed);
// preallocate buffers/etc // preallocate buffers/etc
@ -170,20 +154,23 @@ exports.Ethash = function(params, seed) {
var retWords = new Uint32Array(8); var retWords = new Uint32Array(8);
var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
this.hash = function(header, nonce) { this.hash = function(header, nonce)
{
// compute initial hash // compute initial hash
initBytes.set(header, 0); initBytes.set(header, 0);
initBytes.set(nonce, 32); initBytes.set(nonce, 32);
keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length/4); keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length/4);
// compute mix // compute mix
for (var i = 0; i !== 16; ++i) { for (var i = 0; i != 16; ++i)
{
mixWords[i] = initWords[i]; mixWords[i] = initWords[i];
} }
computeHashInner(mixWords, params, cache, keccak, tempNode); computeHashInner(mixWords, params, cache, keccak, tempNode);
// compress mix and append to initWords // compress mix and append to initWords
for (var i = 0; i !== mixWords.length; i += 4) { 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]); initWords[16 + i/4] = fnv(fnv(fnv(mixWords[i], mixWords[i+1]), mixWords[i+2]), mixWords[i+3]);
} }
@ -192,7 +179,12 @@ exports.Ethash = function(params, seed) {
return retBytes; return retBytes;
}; };
this.cacheDigest = function() { this.cacheDigest = function()
{
return keccak.digest(32, new Uint8Array(cache.buffer)); return keccak.digest(32, new Uint8Array(cache.buffer));
}; };
}; };

21
Godeps/_workspace/src/github.com/ethereum/ethash/js/package.json generated vendored
View File

@ -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"
}
}

9
Godeps/_workspace/src/github.com/ethereum/ethash/js/test/test.js → Godeps/_workspace/src/github.com/ethereum/ethash/js/test.js generated vendored
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@ -4,9 +4,9 @@
/*jslint node: true, shadow:true */ /*jslint node: true, shadow:true */
"use strict"; "use strict";
var ethash = require('../ethash'); var ethash = require('./ethash');
var util = require('../util'); var util = require('./util');
var Keccak = require('../keccak'); var Keccak = require('./keccak');
// sanity check hash functions // sanity check hash functions
var src = util.stringToBytes(""); var src = util.stringToBytes("");
@ -45,7 +45,8 @@ var hash;
startTime = new Date().getTime(); startTime = new Date().getTime();
var trials = 10; var trials = 10;
for (var i = 0; i < trials; ++i) { for (var i = 0; i < trials; ++i)
{
hash = hasher.hash(header, nonce); 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");

48
Godeps/_workspace/src/github.com/ethereum/ethash/js/test/seedHash.js generated vendored
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@ -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')
});

4
Godeps/_workspace/src/github.com/ethereum/ethash/setup.py generated vendored
View File

@ -25,9 +25,9 @@ setup (
author = "Matthew Wampler-Doty", author = "Matthew Wampler-Doty",
author_email = "matthew.wampler.doty@gmail.com", author_email = "matthew.wampler.doty@gmail.com",
license = 'GPL', license = 'GPL',
version = '23.1', version = '23',
url = 'https://github.com/ethereum/ethash', 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', description = 'Python wrappers for ethash, the ethereum proof of work hashing function',
ext_modules = [pyethash], ext_modules = [pyethash],
) )

1588
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/cl.hpp generated vendored
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File diff suppressed because it is too large Load Diff

3
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp generated vendored
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@ -250,11 +250,10 @@ void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook
m_queue.enqueueBarrierWithWaitList(NULL, &pre_return_event); m_queue.enqueueBarrierWithWaitList(NULL, &pre_return_event);
} }
else else
#else #endif
{ {
m_queue.finish(); m_queue.finish();
} }
#endif
/* /*
__kernel void ethash_combined_search( __kernel void ethash_combined_search(

4
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h generated vendored
View File

@ -48,7 +48,7 @@ extern "C" {
// Sow[i*HashBytes]; j++]]]][[2]][[1]] // 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, 1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U, 1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U, 1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
@ -477,7 +477,7 @@ static const uint64_t dag_sizes[2048] = {
// While[! PrimeQ[i], i--]; // While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]] // 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, 16776896U, 16907456U, 17039296U, 17170112U, 17301056U, 17432512U, 17563072U,
17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U, 17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U,
18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U, 18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U,

43
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h generated vendored
View File

@ -43,8 +43,8 @@ extern "C" {
#endif #endif
typedef struct ethash_params { typedef struct ethash_params {
uint64_t full_size; // Size of full data set (in bytes, multiple of mix size (128)). size_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 cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
} ethash_params; } ethash_params;
typedef struct ethash_return_value { typedef struct ethash_return_value {
@ -52,52 +52,45 @@ typedef struct ethash_return_value {
uint8_t mix_hash[32]; uint8_t mix_hash[32];
} ethash_return_value; } ethash_return_value;
uint64_t ethash_get_datasize(const uint32_t block_number); size_t ethash_get_datasize(const uint32_t block_number);
uint64_t ethash_get_cachesize(const uint32_t block_number); size_t ethash_get_cachesize(const uint32_t block_number);
// Initialize the Parameters // initialize the parameters
static inline int ethash_params_init(ethash_params *params, const uint32_t block_number) { static inline void ethash_params_init(ethash_params *params, const uint32_t block_number) {
params->full_size = ethash_get_datasize(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); params->cache_size = ethash_get_cachesize(block_number);
if (params->cache_size == 0)
return 0;
return 1;
} }
typedef struct ethash_cache { typedef struct ethash_cache {
void *mem; void *mem;
} ethash_cache; } ethash_cache;
int ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]); void 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); void 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); 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);
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_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); 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; ethash_cache c;
c.mem = cache; 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; ethash_cache c;
c.mem = (void *) cache; 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; ethash_cache c;
c.mem = (void *) cache; 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) { 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) {
return ethash_full(ret, full, params, header_hash, nonce); ethash_full(ret, full, params, header_hash, nonce);
} }
// Returns if hash is less than or equal to difficulty // Returns if hash is less than or equal to difficulty

92
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c generated vendored
View File

@ -20,6 +20,7 @@
* @date 2015 * @date 2015
*/ */
#include <assert.h>
#include <inttypes.h> #include <inttypes.h>
#include <stddef.h> #include <stddef.h>
#include "ethash.h" #include "ethash.h"
@ -28,9 +29,6 @@
#include "internal.h" #include "internal.h"
#include "data_sizes.h" #include "data_sizes.h"
// Inline assembly doesn't work
#define ENABLE_SSE 0
#ifdef WITH_CRYPTOPP #ifdef WITH_CRYPTOPP
#include "sha3_cryptopp.h" #include "sha3_cryptopp.h"
@ -39,29 +37,24 @@
#include "sha3.h" #include "sha3.h"
#endif // WITH_CRYPTOPP #endif // WITH_CRYPTOPP
uint64_t ethash_get_datasize(const uint32_t block_number) { size_t ethash_get_datasize(const uint32_t block_number) {
if (block_number / EPOCH_LENGTH >= 2048) assert(block_number / EPOCH_LENGTH < 2048);
return 0;
return dag_sizes[block_number / EPOCH_LENGTH]; return dag_sizes[block_number / EPOCH_LENGTH];
} }
uint64_t ethash_get_cachesize(const uint32_t block_number) { size_t ethash_get_cachesize(const uint32_t block_number) {
if (block_number / EPOCH_LENGTH >= 2048) assert(block_number / EPOCH_LENGTH < 2048);
return 0;
return cache_sizes[block_number / EPOCH_LENGTH]; return cache_sizes[block_number / EPOCH_LENGTH];
} }
// Follows Sergio's "STRICT MEMORY HARD HASHING FUNCTIONS" (2014) // Follows Sergio's "STRICT MEMORY HARD HASHING FUNCTIONS" (2014)
// https://bitslog.files.wordpress.com/2013/12/memohash-v0-3.pdf // https://bitslog.files.wordpress.com/2013/12/memohash-v0-3.pdf
// SeqMemoHash(s, R, N) // SeqMemoHash(s, R, N)
int static ethash_compute_cache_nodes( void static ethash_compute_cache_nodes(
node *const nodes, node *const nodes,
ethash_params const *params, ethash_params const *params,
const uint8_t seed[32]) { const uint8_t seed[32]) {
assert((params->cache_size % sizeof(node)) == 0);
if ((params->cache_size % sizeof(node)) != 0)
return 0;
uint32_t const num_nodes = (uint32_t) (params->cache_size / sizeof(node)); uint32_t const num_nodes = (uint32_t) (params->cache_size / sizeof(node));
SHA3_512(nodes[0].bytes, seed, 32); 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]); nodes->words[w] = fix_endian32(nodes->words[w]);
} }
#endif #endif
return 1;
} }
int ethash_mkcache( void ethash_mkcache(
ethash_cache *cache, ethash_cache *cache,
ethash_params const *params, ethash_params const *params,
const uint8_t seed[32]) { const uint8_t seed[32]) {
node *nodes = (node *) cache->mem; 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, node *const ret,
const uint64_t node_index, const unsigned node_index,
const struct ethash_params *params, const struct ethash_params *params,
const struct ethash_cache *cache) { 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)); uint32_t num_parent_nodes = (uint32_t) (params->cache_size / sizeof(node));
node const *cache_nodes = (node const *) cache->mem; node const *cache_nodes = (node const *) cache->mem;
node const *init = &cache_nodes[node_index % num_parent_nodes]; 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)); SHA3_512(ret->bytes, ret->bytes, sizeof(node));
return 1;
} }
int ethash_compute_full_data( void ethash_compute_full_data(
void *mem, void *mem,
ethash_params const *params, ethash_params const *params,
ethash_cache const *cache) { ethash_cache const *cache) {
assert((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) == 0);
if ((params->full_size % (sizeof(uint32_t) * MIX_WORDS)) != 0) assert((params->full_size % sizeof(node)) == 0);
return 0;
if ((params->full_size % sizeof(node)) != 0)
return 0;
node *full_nodes = mem; node *full_nodes = mem;
// now compute full nodes // now compute full nodes
for (uint64_t n = 0; n != (params->full_size / sizeof(node)); ++n) { for (unsigned n = 0; n != (params->full_size / sizeof(node)); ++n) {
ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache); ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
} }
return 1;
} }
int ethash_compute_full_data_section( static void ethash_hash(
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;
node *full_nodes = mem;
// now compute full nodes
for (uint64_t n = start; n != end; ++n) {
ethash_calculate_dag_item(&(full_nodes[n]), n, params, cache);
}
return 1;
}
static int ethash_hash(
ethash_return_value *ret, ethash_return_value *ret,
node const *full_nodes, node const *full_nodes,
ethash_cache const *cache, ethash_cache const *cache,
@ -216,10 +169,10 @@ static int ethash_hash(
const uint8_t header_hash[32], const uint8_t header_hash[32],
const uint64_t nonce) { const uint64_t nonce) {
if ((params->full_size % MIX_WORDS) != 0) assert((params->full_size % MIX_WORDS) == 0);
return 0;
// pack hash and nonce together into first 40 bytes of s_mix // pack hash and nonce together into first 40 bytes of s_mix
assert(sizeof(node) * 8 == 512);
node s_mix[MIX_NODES + 1]; node s_mix[MIX_NODES + 1];
memcpy(s_mix[0].bytes, header_hash, 32); memcpy(s_mix[0].bytes, header_hash, 32);
@ -301,7 +254,6 @@ static int ethash_hash(
memcpy(ret->mix_hash, mix->bytes, 32); memcpy(ret->mix_hash, mix->bytes, 32);
// final Keccak hash // final Keccak hash
SHA3_256(ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix) SHA3_256(ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix)
return 1;
} }
void ethash_quick_hash( void ethash_quick_hash(
@ -339,10 +291,10 @@ int ethash_quick_check_difficulty(
return ethash_check_difficulty(return_hash, 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) { 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) {
return ethash_hash(ret, (node const *) full_mem, NULL, params, previous_hash, 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) { 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) {
return ethash_hash(ret, NULL, cache, params, previous_hash, nonce); ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
} }

4
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h generated vendored
View File

@ -30,9 +30,9 @@ typedef union node {
} node; } node;
int ethash_calculate_dag_item( void ethash_calculate_dag_item(
node *const ret, node *const ret,
const uint64_t node_index, const unsigned node_index,
ethash_params const *params, ethash_params const *params,
ethash_cache const *cache ethash_cache const *cache
); );

14
Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c generated vendored
View File

@ -58,7 +58,7 @@ mkcache_bytes(PyObject *self, PyObject *args) {
} }
ethash_params params; ethash_params params;
params.cache_size = (uint64_t) cache_size; params.cache_size = (size_t) cache_size;
ethash_cache cache; ethash_cache cache;
cache.mem = malloc(cache_size); cache.mem = malloc(cache_size);
ethash_mkcache(&cache, &params, (uint8_t *) seed); ethash_mkcache(&cache, &params, (uint8_t *) seed);
@ -92,8 +92,8 @@ calc_dataset_bytes(PyObject *self, PyObject *args) {
} }
ethash_params params; ethash_params params;
params.cache_size = (uint64_t) cache_size; params.cache_size = (size_t) cache_size;
params.full_size = (uint64_t) full_size; params.full_size = (size_t) full_size;
ethash_cache cache; ethash_cache cache;
cache.mem = (void *) cache_bytes; cache.mem = (void *) cache_bytes;
void *mem = malloc(params.full_size); void *mem = malloc(params.full_size);
@ -138,8 +138,8 @@ hashimoto_light(PyObject *self, PyObject *args) {
ethash_return_value out; ethash_return_value out;
ethash_params params; ethash_params params;
params.cache_size = (uint64_t) cache_size; params.cache_size = (size_t) cache_size;
params.full_size = (uint64_t) full_size; params.full_size = (size_t) full_size;
ethash_cache cache; ethash_cache cache;
cache.mem = (void *) cache_bytes; cache.mem = (void *) cache_bytes;
ethash_light(&out, &cache, &params, (uint8_t *) header, nonce); ethash_light(&out, &cache, &params, (uint8_t *) header, nonce);
@ -175,7 +175,7 @@ hashimoto_full(PyObject *self, PyObject *args) {
ethash_return_value out; ethash_return_value out;
ethash_params params; 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); ethash_full(&out, (void *) full_bytes, &params, (uint8_t *) header, nonce);
return Py_BuildValue("{s:s#, s:s#}", return Py_BuildValue("{s:s#, s:s#}",
"mix digest", out.mix_hash, 32, "mix digest", out.mix_hash, 32,
@ -216,7 +216,7 @@ mine(PyObject *self, PyObject *args) {
ethash_return_value out; ethash_return_value out;
ethash_params params; ethash_params params;
params.full_size = (uint64_t) full_size; params.full_size = (size_t) full_size;
// TODO: Multi threading? // TODO: Multi threading?
do { do {

10
Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp generated vendored
View File

@ -17,7 +17,7 @@
#include <boost/test/unit_test.hpp> #include <boost/test/unit_test.hpp>
#include <iostream> #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; std::ostringstream ret;
for (int i = 0; i < s; ++i) 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) { BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_calcifide_check) {
ethash_params params; ethash_params params;
BOOST_REQUIRE_MESSAGE(ethash_params_init(&params, 0), ethash_params_init(&params, 0);
"Params could not be initialized"); const uint32_t expected_full_size = 1073739904;
const uint32_t const uint32_t expected_cache_size = 16776896;
expected_full_size = 1073739904,
expected_cache_size = 16776896;
BOOST_REQUIRE_MESSAGE(params.full_size == expected_full_size, BOOST_REQUIRE_MESSAGE(params.full_size == expected_full_size,
"\nexpected: " << expected_cache_size << "\n" "\nexpected: " << expected_cache_size << "\n"
<< "actual: " << params.full_size << "\n"); << "actual: " << params.full_size << "\n");

7
Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh generated vendored
View File

@ -14,8 +14,11 @@ TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
echo -e "\n################# Testing JS ##################" echo -e "\n################# Testing JS ##################"
# TODO: Use mocha and real testing tools instead of rolling our own # TODO: Use mocha and real testing tools instead of rolling our own
cd $TEST_DIR/../js cd $TEST_DIR/../js
if [ -x "$(which npm)" ] ; then if [ -x "$(which nodejs)" ] ; then
npm test nodejs test.js
fi
if [ -x "$(which node)" ] ; then
node test.js
fi fi
echo -e "\n################# Testing C ##################" echo -e "\n################# Testing C ##################"