updated ethash

This commit is contained in:
obscuren 2015-03-25 14:57:49 +01:00
parent a2e3bf6f30
commit ff5578fc71
16 changed files with 238 additions and 1108 deletions

4
Godeps/Godeps.json generated
View File

@ -22,8 +22,8 @@
}, },
{ {
"ImportPath": "github.com/ethereum/ethash", "ImportPath": "github.com/ethereum/ethash",
"Comment": "v23.1-30-gf8a0565", "Comment": "v23.1-33-g6ecb8e6",
"Rev": "f8a0565cc3a20c5ad82dec3ec612645356069641" "Rev": "6ecb8e610d60240187b44f61e66b06198c26fae6"
}, },
{ {
"ImportPath": "github.com/ethereum/serpent-go", "ImportPath": "github.com/ethereum/serpent-go",

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,
} }
@ -360,10 +360,11 @@ func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte
} }
func (pow *Ethash) Verify(block pow.Block) bool { 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 // Make sure the block num is valid
if blockNum >= epochLength*2048 { if blockNum >= epochLength*2048 {
powlogger.Infoln(fmt.Sprintf("Block number exceeds limit, invalid (value is %v, limit is %v)", powlogger.Infoln(fmt.Sprintf("Block number exceeds limit, invalid (value is %v, limit is %v)",

View File

@ -1,329 +0,0 @@
module.exports = [
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];

View File

@ -1,412 +0,0 @@
module.exports = [
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8371828352, 8380217984, 8388606592, 8396996224, 8405384576,
8413772672, 8422161536, 8430549376, 8438939008, 8447326592,
8455715456, 8464104832, 8472492928, 8480882048, 8489270656,
8497659776, 8506045312, 8514434944, 8522823808, 8531208832,
8539602304, 8547990656, 8556378752, 8564768384, 8573154176,
8581542784, 8589933952, 8598322816, 8606705024, 8615099264,
8623487872, 8631876992, 8640264064, 8648653952, 8657040256,
8665430656, 8673820544, 8682209152, 8690592128, 8698977152,
8707374464, 8715763328, 8724151424, 8732540032, 8740928384,
8749315712, 8757704576, 8766089344, 8774480768, 8782871936,
8791260032, 8799645824, 8808034432, 8816426368, 8824812928,
8833199488, 8841591424, 8849976448, 8858366336, 8866757248,
8875147136, 8883532928, 8891923328, 8900306816, 8908700288,
8917088384, 8925478784, 8933867392, 8942250368, 8950644608,
8959032704, 8967420544, 8975809664, 8984197504, 8992584064,
9000976256, 9009362048, 9017752448, 9026141312, 9034530688,
9042917504, 9051307904, 9059694208, 9068084864, 9076471424,
9084861824, 9093250688, 9101638528, 9110027648, 9118416512,
9126803584, 9135188096, 9143581312, 9151969664, 9160356224,
9168747136, 9177134464, 9185525632, 9193910144, 9202302848,
9210690688, 9219079552, 9227465344, 9235854464, 9244244864,
9252633472, 9261021824, 9269411456, 9277799296, 9286188928,
9294574208, 9302965888, 9311351936, 9319740032, 9328131968,
9336516736, 9344907392, 9353296768, 9361685888, 9370074752,
9378463616, 9386849408, 9395239808, 9403629184, 9412016512,
9420405376, 9428795008, 9437181568, 9445570688, 9453960832,
9462346624, 9470738048, 9479121536, 9487515008, 9495903616,
9504289664, 9512678528, 9521067904, 9529456256, 9537843584,
9546233728, 9554621312, 9563011456, 9571398784, 9579788672,
9588178304, 9596567168, 9604954496, 9613343104, 9621732992,
9630121856, 9638508416, 9646898816, 9655283584, 9663675776,
9672061312, 9680449664, 9688840064, 9697230464, 9705617536,
9714003584, 9722393984, 9730772608, 9739172224, 9747561088,
9755945344, 9764338816, 9772726144, 9781116544, 9789503872,
9797892992, 9806282624, 9814670464, 9823056512, 9831439232,
9839833984, 9848224384, 9856613504, 9865000576, 9873391232,
9881772416, 9890162816, 9898556288, 9906940544, 9915333248,
9923721088, 9932108672, 9940496512, 9948888448, 9957276544,
9965666176, 9974048384, 9982441088, 9990830464, 9999219584,
10007602816, 10015996544, 10024385152, 10032774016, 10041163648,
10049548928, 10057940096, 10066329472, 10074717824, 10083105152,
10091495296, 10099878784, 10108272256, 10116660608, 10125049216,
10133437312, 10141825664, 10150213504, 10158601088, 10166991232,
10175378816, 10183766144, 10192157312, 10200545408, 10208935552,
10217322112, 10225712768, 10234099328, 10242489472, 10250876032,
10259264896, 10267656064, 10276042624, 10284429184, 10292820352,
10301209472, 10309598848, 10317987712, 10326375296, 10334763392,
10343153536, 10351541632, 10359930752, 10368318592, 10376707456,
10385096576, 10393484672, 10401867136, 10410262144, 10418647424,
10427039104, 10435425664, 10443810176, 10452203648, 10460589952,
10468982144, 10477369472, 10485759104, 10494147712, 10502533504,
10510923392, 10519313536, 10527702656, 10536091264, 10544478592,
10552867712, 10561255808, 10569642368, 10578032768, 10586423168,
10594805632, 10603200128, 10611588992, 10619976064, 10628361344,
10636754048, 10645143424, 10653531776, 10661920384, 10670307968,
10678696832, 10687086464, 10695475072, 10703863168, 10712246144,
10720639616, 10729026688, 10737414784, 10745806208, 10754190976,
10762581376, 10770971264, 10779356288, 10787747456, 10796135552,
10804525184, 10812915584, 10821301888, 10829692288, 10838078336,
10846469248, 10854858368, 10863247232, 10871631488, 10880023424,
10888412032, 10896799616, 10905188992, 10913574016, 10921964672,
10930352768, 10938742912, 10947132544, 10955518592, 10963909504,
10972298368, 10980687488, 10989074816, 10997462912, 11005851776,
11014241152, 11022627712, 11031017344, 11039403904, 11047793024,
11056184704, 11064570752, 11072960896, 11081343872, 11089737856,
11098128256, 11106514816, 11114904448, 11123293568, 11131680128,
11140065152, 11148458368, 11156845696, 11165236864, 11173624192,
11182013824, 11190402688, 11198790784, 11207179136, 11215568768,
11223957376, 11232345728, 11240734592, 11249122688, 11257511296,
11265899648, 11274285952, 11282675584, 11291065472, 11299452544,
11307842432, 11316231296, 11324616832, 11333009024, 11341395584,
11349782656, 11358172288, 11366560384, 11374950016, 11383339648,
11391721856, 11400117376, 11408504192, 11416893568, 11425283456,
11433671552, 11442061184, 11450444672, 11458837888, 11467226752,
11475611776, 11484003968, 11492392064, 11500780672, 11509169024,
11517550976, 11525944448, 11534335616, 11542724224, 11551111808,
11559500672, 11567890304, 11576277376, 11584667008, 11593056128,
11601443456, 11609830016, 11618221952, 11626607488, 11634995072,
11643387776, 11651775104, 11660161664, 11668552576, 11676940928,
11685330304, 11693718656, 11702106496, 11710496128, 11718882688,
11727273088, 11735660416, 11744050048, 11752437376, 11760824704,
11769216128, 11777604736, 11785991296, 11794381952, 11802770048,
11811157888, 11819548544, 11827932544, 11836324736, 11844713344,
11853100928, 11861486464, 11869879936, 11878268032, 11886656896,
11895044992, 11903433088, 11911822976, 11920210816, 11928600448,
11936987264, 11945375872, 11953761152, 11962151296, 11970543488,
11978928512, 11987320448, 11995708288, 12004095104, 12012486272,
12020875136, 12029255552, 12037652096, 12046039168, 12054429568,
12062813824, 12071206528, 12079594624, 12087983744, 12096371072,
12104759936, 12113147264, 12121534592, 12129924992, 12138314624,
12146703232, 12155091584, 12163481216, 12171864704, 12180255872,
12188643968, 12197034112, 12205424512, 12213811328, 12222199424,
12230590336, 12238977664, 12247365248, 12255755392, 12264143488,
12272531584, 12280920448, 12289309568, 12297694592, 12306086528,
12314475392, 12322865024, 12331253632, 12339640448, 12348029312,
12356418944, 12364805248, 12373196672, 12381580928, 12389969024,
12398357632, 12406750592, 12415138432, 12423527552, 12431916416,
12440304512, 12448692352, 12457081216, 12465467776, 12473859968,
12482245504, 12490636672, 12499025536, 12507411584, 12515801728,
12524190592, 12532577152, 12540966272, 12549354368, 12557743232,
12566129536, 12574523264, 12582911872, 12591299456, 12599688064,
12608074624, 12616463488, 12624845696, 12633239936, 12641631616,
12650019968, 12658407296, 12666795136, 12675183232, 12683574656,
12691960192, 12700350592, 12708740224, 12717128576, 12725515904,
12733906816, 12742295168, 12750680192, 12759071872, 12767460736,
12775848832, 12784236928, 12792626816, 12801014656, 12809404288,
12817789312, 12826181504, 12834568832, 12842954624, 12851345792,
12859732352, 12868122496, 12876512128, 12884901248, 12893289088,
12901672832, 12910067584, 12918455168, 12926842496, 12935232896,
12943620736, 12952009856, 12960396928, 12968786816, 12977176192,
12985563776, 12993951104, 13002341504, 13010730368, 13019115392,
13027506304, 13035895168, 13044272512, 13052673152, 13061062528,
13069446272, 13077838976, 13086227072, 13094613632, 13103000192,
13111393664, 13119782528, 13128157568, 13136559232, 13144945024,
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13195279744, 13203667072, 13212057472, 13220445824, 13228832128,
13237221248, 13245610624, 13254000512, 13262388352, 13270777472,
13279166336, 13287553408, 13295943296, 13304331904, 13312719488,
13321108096, 13329494656, 13337885824, 13346274944, 13354663808,
13363051136, 13371439232, 13379825024, 13388210816, 13396605056,
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13446937216, 13455326848, 13463708288, 13472103808, 13480492672,
13488875648, 13497269888, 13505657728, 13514045312, 13522435712,
13530824576, 13539210112, 13547599232, 13555989376, 13564379008,
13572766336, 13581154432, 13589544832, 13597932928, 13606320512,
13614710656, 13623097472, 13631477632, 13639874944, 13648264064,
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13698595712, 13706982272, 13715373184, 13723762048, 13732150144,
13740536704, 13748926592, 13757316224, 13765700992, 13774090112,
13782477952, 13790869376, 13799259008, 13807647872, 13816036736,
13824425344, 13832814208, 13841202304, 13849591424, 13857978752,
13866368896, 13874754688, 13883145344, 13891533184, 13899919232,
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14201911424, 14210301824, 14218685056, 14227067264, 14235467392,
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14327738752, 14336130944, 14344518784, 14352906368, 14361296512,
14369685376, 14378071424, 14386462592, 14394848128, 14403230848,
14411627392, 14420013952, 14428402304, 14436793472, 14445181568,
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14495511424, 14503901824, 14512291712, 14520677504, 14529064832,
14537456768, 14545845632, 14554234496, 14562618496, 14571011456,
14579398784, 14587789184, 14596172672, 14604564608, 14612953984,
14621341312, 14629724288, 14638120832, 14646503296, 14654897536,
14663284864, 14671675264, 14680061056, 14688447616, 14696835968,
14705228416, 14713616768, 14722003328, 14730392192, 14738784128,
14747172736, 14755561088, 14763947648, 14772336512, 14780725376,
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14872997504, 14881388672, 14889775744, 14898165376, 14906553472,
14914944896, 14923329664, 14931721856, 14940109696, 14948497024,
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15040768384, 15049154944, 15057549184, 15065939072, 15074328448,
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15418258816, 15426649984, 15435037568, 15443425664, 15451815296,
15460203392, 15468589184, 15476979328, 15485369216, 15493755776,
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15586031488, 15594419072, 15602809472, 15611199104, 15619586432,
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15711861632, 15720251264, 15728636288, 15737027456, 15745417088,
15753804928, 15762194048, 15770582656, 15778971008, 15787358336,
15795747712, 15804132224, 15812523392, 15820909696, 15829300096,
15837691264, 15846071936, 15854466944, 15862855808, 15871244672,
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15921577088, 15929966464, 15938354816, 15946743424, 15955129472,
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16005460864, 16013851264, 16022241152, 16030629248, 16039012736,
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18228444544, 18236833408, 18245220736
];

View File

@ -7,192 +7,184 @@
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 {
return ((x * 0x01000000 | 0) + (x * 0x193 | 0)) ^ y; // js integer multiply by 0x01000193 will lose precision
return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y;
} }
function computeCache(params, seedWords) { function computeCache(params, seedWords)
var cache = new Uint32Array(params.cacheSize >> 2); {
var cacheNodeCount = params.cacheSize >> 6; var cache = new Uint32Array(params.cacheSize >> 2);
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
for (var r = 0; r < params.cacheRounds; ++r) { // Do randmemohash passes
for (var n = 0; n < cacheNodeCount; ++n) { for (var r = 0; r < params.cacheRounds; ++r)
var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4; {
var p1 = mod32(cache[n << 4 | 0], cacheNodeCount) << 4; for (var n = 0; n < cacheNodeCount; ++n)
{
for (var w = 0; w < 16; w = (w + 1) | 0) { var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
tmp[w] = cache[p0 | w] ^ cache[p1 | w]; var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4;
}
for (var w = 0; w < 16; w=(w+1)|0)
keccak.digestWords(cache, n << 4, 16, tmp, 0, tmp.length); {
} tmp[w] = cache[p0 | w] ^ cache[p1 | w];
} }
return cache;
keccak.digestWords(cache, n<<4, 16, tmp, 0, tmp.length);
}
}
return cache;
} }
function computeDagNode(o_node, params, cache, keccak, nodeIndex) { function computeDagNode(o_node, params, cache, keccak, nodeIndex)
var cacheNodeCount = params.cacheSize >> 6; {
var dagParents = params.dagParents; var cacheNodeCount = params.cacheSize >> 6;
var dagParents = params.dagParents;
var c = (nodeIndex % cacheNodeCount) << 4;
var mix = o_node; var c = (nodeIndex % cacheNodeCount) << 4;
for (var w = 0; w < 16; ++w) { var mix = o_node;
mix[w] = cache[c | w]; for (var w = 0; w < 16; ++w)
} {
mix[0] ^= nodeIndex; mix[w] = cache[c|w];
keccak.digestWords(mix, 0, 16, mix, 0, 16); }
mix[0] ^= nodeIndex;
for (var p = 0; p < dagParents; ++p) { keccak.digestWords(mix, 0, 16, mix, 0, 16);
// compute cache node (word) index
c = mod32(fnv(nodeIndex ^ p, mix[p & 15]), cacheNodeCount) << 4; for (var p = 0; p < dagParents; ++p)
{
for (var w = 0; w < 16; ++w) { // compute cache node (word) index
mix[w] = fnv(mix[w], cache[c | w]); c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4;
}
} for (var w = 0; w < 16; ++w)
{
keccak.digestWords(mix, 0, 16, mix, 0, 16); mix[w] = fnv(mix[w], cache[c|w]);
}
}
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 mixWordCount = params.mixSize >> 2; var mixParents = params.mixParents|0;
var mixNodeCount = mixWordCount >> 4; var mixWordCount = params.mixSize >> 2;
var dagPageCount = (params.dagSize / params.mixSize) >> 0; var mixNodeCount = mixWordCount >> 4;
var dagPageCount = (params.dagSize / params.mixSize) >> 0;
// grab initial first word
var s0 = mix[0]; // grab initial first word
var s0 = mix[0];
// initialise mix from initial 64 bytes
for (var w = 16; w < mixWordCount; ++w) { // initialise mix from initial 64 bytes
mix[w] = mix[w & 15]; 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 a = 0; a < mixParents; ++a)
{
for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16) { var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount);
computeDagNode(tempNode, params, cache, keccak, (d + n) | 0); var d = (p * mixNodeCount)|0;
for (var v = 0; v < 16; ++v) { for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16)
mix[w | v] = fnv(mix[w | v], tempNode[v]); {
} 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) { function convertSeed(seed)
// todo, reconcile with spec, byte ordering? {
// todo, big-endian conversion // todo, reconcile with spec, byte ordering?
var newSeed = util.toWords(seed); // todo, big-endian conversion
if (newSeed === null) var newSeed = util.toWords(seed);
throw Error("Invalid seed '" + seed + "'"); if (newSeed === null)
return newSeed; throw Error("Invalid seed '" + seed + "'");
return newSeed;
} }
var params = exports.params = { exports.defaultParams = function()
REVISION: 23, {
DATASET_BYTES_INIT: 1073741824, return {
DATASET_BYTES_GROWTH: 8388608, cacheSize: 1048384,
CACHE_BYTES_INIT: 1073741824, cacheRounds: 3,
CACHE_BYTES_GROWTH: 131072, dagSize: 1073739904,
EPOCH_LENGTH: 30000, dagParents: 256,
MIX_BYTES: 128, mixSize: 128,
HASH_BYTES: 64, mixParents: 64,
DATASET_PARENTS: 256, };
CACHE_ROUNDS: 3,
ACCESSES: 64
}; };
var cache_sizes = require('./cache_sizes'); exports.Ethash = function(params, seed)
var dag_sizes = require('./dag_sizes'); {
// precompute cache and related values
exports.calcSeed = function(blockNum) { seed = convertSeed(seed);
var epoch; var cache = computeCache(params, seed);
var seed = new Uint8Array(32); // preallocate buffers/etc
var initBuf = new ArrayBuffer(96);
if (blockNum > cache_sizes.length * params.EPOCH_LENGTH) { var initBytes = new Uint8Array(initBuf);
return new Error('Time to upgrade to POS!!!'); var initWords = new Uint32Array(initBuf);
} else { var mixWords = new Uint32Array(params.mixSize / 4);
epoch = Math.floor(blockNum / params.EPOCH_LENGTH); var tempNode = new Uint32Array(16);
var keccak = new Keccak();
for (var i = 0; i < epoch; i++) {
seed = ethUtil.sha3(new Buffer(seed)); var retWords = new Uint32Array(8);
} var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
return seed;
} 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.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));
};
};

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@ -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"
}
}

View File

@ -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("");
@ -31,22 +31,23 @@ var ethashParams = ethash.defaultParams();
var seed = util.hexStringToBytes("9410b944535a83d9adf6bbdcc80e051f30676173c16ca0d32d6f1263fc246466") var seed = util.hexStringToBytes("9410b944535a83d9adf6bbdcc80e051f30676173c16ca0d32d6f1263fc246466")
var startTime = new Date().getTime(); var startTime = new Date().getTime();
var hasher = new ethash.Ethash(ethashParams, seed); 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())); console.log('Ethash cache hash: ' + util.bytesToHexString(hasher.cacheDigest()));
var testHexString = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"; var testHexString = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470";
if (testHexString != util.bytesToHexString(util.hexStringToBytes(testHexString))) 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 header = util.hexStringToBytes("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
var nonce = util.hexStringToBytes("0000000000000000"); var nonce = util.hexStringToBytes("0000000000000000");
var hash; 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");
console.log("Hash = " + util.bytesToHexString(hash)); console.log("Hash = " + util.bytesToHexString(hash));

View File

@ -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')
});

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],
) )

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,

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

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);
} }

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@ -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
); );

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 {

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@ -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");

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@ -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 ##################"