From 918c1cd7998767d455876dd760094a47638a7340 Mon Sep 17 00:00:00 2001 From: Matthew Wampler-Doty Date: Thu, 12 Mar 2015 15:07:24 -0700 Subject: [PATCH] Revendoring ethash --- libethash/CMakeLists.txt | 1 - libethash/data_sizes.h | 967 ++++++++++++++++++++++++++++-------- libethash/ethash.h | 71 +-- libethash/internal.c | 100 ++-- libethash/internal.h | 6 + libethash/sha3_cryptopp.cpp | 8 +- libethash/util.h | 8 +- 7 files changed, 872 insertions(+), 289 deletions(-) diff --git a/libethash/CMakeLists.txt b/libethash/CMakeLists.txt index 7bc147af7..38fc821c0 100644 --- a/libethash/CMakeLists.txt +++ b/libethash/CMakeLists.txt @@ -2,7 +2,6 @@ set(LIBRARY ethash) if (CPPETHEREUM) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") -#else () endif () set(CMAKE_BUILD_TYPE Release) diff --git a/libethash/data_sizes.h b/libethash/data_sizes.h index ccdf554a8..3b747b3ea 100644 --- a/libethash/data_sizes.h +++ b/libethash/data_sizes.h @@ -20,8 +20,6 @@ * @date 2015 */ -// TODO: Update this after ~3.5 years - #pragma once #include @@ -33,213 +31,780 @@ extern "C" { #include -// 500 Epochs worth of tabulated DAG sizes (~3.5 Years) +// 2048 Epochs (~20 years) worth of tabulated DAG sizes // Generated with the following Mathematica Code: -// GetDataSizes[n_] := Module[{ -// DAGSizeBytesInit = 2^30, -// MixBytes = 128, -// DAGGrowth = 113000000, + +// GetCacheSizes[n_] := Module[{ +// CacheSizeBytesInit = 2^24, +// CacheGrowth = 2^17, +// HashBytes = 64, // j = 0}, -// Reap[ -// While[j < n, -// Module[{i = -// Floor[(DAGSizeBytesInit + DAGGrowth * j) / MixBytes]}, -// While[! PrimeQ[i], i--]; -// Sow[i*MixBytes]; j++]]]][[2]][[1]] - -static const size_t dag_sizes[] = { - 1073739904U, 1186739584U, 1299741568U, 1412741248U, 1525741696U, - 1638736768U, 1751741312U, 1864740736U, 1977740672U, 2090740864U, - 2203740544U, 2316741248U, 2429739392U, 2542740352U, 2655741824U, - 2768739712U, 2881740416U, 2994741632U, 3107740544U, 3220741504U, - 3333738112U, 3446741632U, 3559741312U, 3672740224U, 3785740928U, - 3898738304U, 4011741824U, 4124739712U, 4237735808U, 4350740864U, - 4463741824U, 4576741504U, 4689741184U, 4802739328U, 4915741568U, - 5028740224U, 5141740672U, 5254738304U, 5367741824U, 5480737664U, - 5593738112U, 5706741632U, 5819740544U, 5932734592U, 6045739904U, - 6158740096U, 6271740032U, 6384731776U, 6497732992U, 6610740352U, - 6723741056U, 6836741504U, 6949740416U, 7062740096U, 7175741824U, - 7288740224U, 7401741184U, 7514741632U, 7627741568U, 7740739712U, - 7853739136U, 7966740352U, 8079741568U, 8192739712U, 8305738624U, - 8418740864U, 8531740288U, 8644740736U, 8757735808U, 8870738816U, - 8983739264U, 9096740992U, 9209740928U, 9322739584U, 9435741824U, - 9548741504U, 9661739392U, 9774738304U, 9887741312U, 10000738688U, - 10113739136U, 10226741632U, 10339739776U, 10452741248U, 10565740928U, - 10678736512U, 10791734656U, 10904741248U, 11017738112U, 11130741632U, - 11243741312U, 11356739456U, 11469740416U, 11582734976U, 11695739008U, - 11808741248U, 11921734784U, 12034739072U, 12147741568U, 12260737408U, - 12373741696U, 12486738304U, 12599740544U, 12712740224U, 12825741184U, - 12938736256U, 13051741312U, 13164737408U, 13277738368U, 13390738048U, - 13503741824U, 13616741504U, 13729737088U, 13842740096U, 13955741312U, - 14068741504U, 14181740416U, 14294741632U, 14407739776U, 14520740224U, - 14633740928U, 14746736512U, 14859741824U, 14972740736U, 15085740928U, - 15198738304U, 15311732096U, 15424740736U, 15537739904U, 15650741632U, - 15763741568U, 15876737152U, 15989741696U, 16102740608U, 16215741056U, - 16328741248U, 16441740416U, 16554737792U, 16667740288U, 16780740992U, - 16893738112U, 17006741632U, 17119739008U, 17232735616U, 17345739392U, - 17458740352U, 17571736192U, 17684739712U, 17797739392U, 17910740096U, - 18023741312U, 18136740736U, 18249738112U, 18362738816U, 18475735424U, - 18588740224U, 18701738368U, 18814736768U, 18927737216U, 19040739968U, - 19153739648U, 19266736768U, 19379737984U, 19492739456U, 19605738368U, - 19718740352U, 19831741312U, 19944736384U, 20057741696U, 20170741376U, - 20283741824U, 20396737408U, 20509741696U, 20622741376U, 20735739008U, - 20848741504U, 20961740672U, 21074739328U, 21187740032U, 21300739456U, - 21413741696U, 21526740608U, 21639741824U, 21752737408U, 21865741696U, - 21978741376U, 22091741824U, 22204738432U, 22317740672U, 22430740096U, - 22543736704U, 22656741248U, 22769739904U, 22882739584U, 22995740288U, - 23108740736U, 23221740928U, 23334741376U, 23447737216U, 23560740992U, - 23673741184U, 23786740864U, 23899737728U, 24012741248U, 24125734784U, - 24238736512U, 24351741824U, 24464740736U, 24577737088U, 24690741632U, - 24803739776U, 24916740736U, 25029740416U, 25142740864U, 25255741568U, - 25368741248U, 25481740672U, 25594741376U, 25707741568U, 25820741504U, - 25933730432U, 26046739072U, 26159741824U, 26272741504U, 26385740672U, - 26498740096U, 26611741568U, 26724740992U, 26837739904U, 26950735232U, - 27063738496U, 27176741248U, 27289741184U, 27402740864U, 27515740544U, - 27628737152U, 27741740672U, 27854741632U, 27967740544U, 28080739712U, - 28193738368U, 28306741376U, 28419737728U, 28532739968U, 28645739648U, - 28758740096U, 28871741312U, 28984739456U, 29097740416U, 29210740864U, - 29323741312U, 29436740224U, 29549741696U, 29662738304U, 29775741568U, - 29888741504U, 30001740928U, 30114737024U, 30227735168U, 30340737664U, - 30453738368U, 30566737024U, 30679733632U, 30792740224U, 30905740928U, - 31018740352U, 31131740032U, 31244738944U, 31357737344U, 31470741376U, - 31583740544U, 31696740224U, 31809738112U, 31922739328U, 32035737472U, - 32148740992U, 32261741696U, 32374740352U, 32487741824U, 32600740736U, - 32713739648U, 32826740608U, 32939729792U, 33052740992U, 33165740672U, - 33278739584U, 33391741312U, 33504739712U, 33617740928U, 33730740608U, - 33843738496U, 33956739968U, 34069741696U, 34182739328U, 34295741824U, - 34408739968U, 34521740672U, 34634736512U, 34747741568U, 34860741248U, - 34973739392U, 35086738304U, 35199741056U, 35312736896U, 35425741184U, - 35538741376U, 35651740288U, 35764737152U, 35877741184U, 35990739584U, - 36103740544U, 36216740992U, 36329739392U, 36442737536U, 36555741568U, - 36668740736U, 36781741184U, 36894737024U, 37007741312U, 37120739456U, - 37233741184U, 37346736256U, 37459736192U, 37572734336U, 37685739904U, - 37798740352U, 37911737728U, 38024741504U, 38137739648U, 38250740608U, - 38363741824U, 38476740992U, 38589741184U, 38702740096U, 38815741312U, - 38928741248U, 39041738368U, 39154739584U, 39267741824U, 39380739712U, - 39493735808U, 39606741632U, 39719741312U, 39832741504U, 39945739648U, - 40058740352U, 40171740032U, 40284740992U, 40397740672U, 40510740352U, - 40623740288U, 40736738176U, 40849737856U, 40962741376U, 41075739776U, - 41188737664U, 41301735808U, 41414738048U, 41527741312U, 41640740992U, - 41753739904U, 41866739072U, 41979738496U, 42092740736U, 42205739648U, - 42318740608U, 42431741312U, 42544738688U, 42657741184U, 42770738048U, - 42883741568U, 42996741248U, 43109740928U, 43222736512U, 43335741056U, - 43448730496U, 43561740416U, 43674741632U, 43787740544U, 43900741504U, - 44013739648U, 44126740864U, 44239740544U, 44352741248U, 44465738368U, - 44578735232U, 44691739264U, 44804741504U, 44917741696U, 45030741376U, - 45143741824U, 45256740992U, 45369739136U, 45482740096U, 45595739776U, - 45708739712U, 45821740672U, 45934741376U, 46047741056U, 46160741248U, - 46273737088U, 46386740864U, 46499739008U, 46612739968U, 46725735296U, - 46838740864U, 46951741568U, 47064737152U, 47177741696U, 47290741376U, - 47403738752U, 47516741248U, 47629739648U, 47742741632U, 47855737984U, - 47968740224U, 48081738368U, 48194741632U, 48307739264U, 48420739712U, - 48533739136U, 48646738304U, 48759741824U, 48872741504U, 48985739392U, - 49098741376U, 49211741056U, 49324740992U, 49437738368U, 49550740864U, - 49663735424U, 49776737408U, 49889740672U, 50002738816U, 50115738752U, - 50228739712U, 50341741696U, 50454736768U, 50567738752U, 50680739968U, - 50793736832U, 50906734976U, 51019741568U, 51132739456U, 51245741696U, - 51358741376U, 51471741056U, 51584738944U, 51697734272U, 51810739072U, - 51923736448U, 52036740736U, 52149741184U, 52262737024U, 52375738496U, - 52488740992U, 52601739136U, 52714740352U, 52827736448U, 52940738176U, - 53053741696U, 53166740864U, 53279741824U, 53392741504U, 53505739136U, - 53618739584U, 53731741312U, 53844741248U, 53957741696U, 54070741376U, - 54183740288U, 54296741504U, 54409741696U, 54522739072U, 54635737472U, - 54748741504U, 54861736064U, 54974740096U, 55087741568U, 55200733568U, - 55313741696U, 55426734464U, 55539741056U, 55652741504U, 55765741184U, - 55878741376U, 55991730304U, 56104740992U, 56217740672U, 56330731648U, - 56443737472U, 56556724352U, 56669740672U, 56782739072U, 56895740032U, - 57008741248U, 57121741696U, 57234740096U, 57347741312U, 57460741504U +// Reap[ +// While[j < n, +// Module[{i = +// Floor[(CacheSizeBytesInit + CacheGrowth * j) / HashBytes]}, +// While[! PrimeQ[i], i--]; +// Sow[i*HashBytes]; j++]]]][[2]][[1]] + + +static const size_t dag_sizes[2048] = { + 1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U, + 1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U, + 1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U, + 1199568512U, 1207958912U, 1216345216U, 1224732032U, 1233124736U, + 1241513344U, 1249902464U, 1258290304U, 1266673792U, 1275067264U, + 1283453312U, 1291844992U, 1300234112U, 1308619904U, 1317010048U, + 1325397376U, 1333787776U, 1342176128U, 1350561664U, 1358954368U, + 1367339392U, 1375731584U, 1384118144U, 1392507008U, 1400897408U, + 1409284736U, 1417673344U, 1426062464U, 1434451072U, 1442839168U, + 1451229056U, 1459615616U, 1468006016U, 1476394112U, 1484782976U, + 1493171584U, 1501559168U, 1509948032U, 1518337664U, 1526726528U, + 1535114624U, 1543503488U, 1551892096U, 1560278656U, 1568669056U, + 1577056384U, 1585446272U, 1593831296U, 1602219392U, 1610610304U, + 1619000192U, 1627386752U, 1635773824U, 1644164224U, 1652555648U, + 1660943488U, 1669332608U, 1677721216U, 1686109312U, 1694497664U, + 1702886272U, 1711274624U, 1719661184U, 1728047744U, 1736434816U, + 1744829056U, 1753218944U, 1761606272U, 1769995904U, 1778382464U, + 1786772864U, 1795157888U, 1803550592U, 1811937664U, 1820327552U, + 1828711552U, 1837102976U, 1845488768U, 1853879936U, 1862269312U, + 1870656896U, 1879048064U, 1887431552U, 1895825024U, 1904212096U, + 1912601216U, 1920988544U, 1929379456U, 1937765504U, 1946156672U, + 1954543232U, 1962932096U, 1971321728U, 1979707264U, 1988093056U, + 1996487552U, 2004874624U, 2013262208U, 2021653888U, 2030039936U, + 2038430848U, 2046819968U, 2055208576U, 2063596672U, 2071981952U, + 2080373632U, 2088762752U, 2097149056U, 2105539712U, 2113928576U, + 2122315136U, 2130700672U, 2139092608U, 2147483264U, 2155872128U, + 2164257664U, 2172642176U, 2181035392U, 2189426048U, 2197814912U, + 2206203008U, 2214587264U, 2222979712U, 2231367808U, 2239758208U, + 2248145024U, 2256527744U, 2264922752U, 2273312128U, 2281701248U, + 2290086272U, 2298476672U, 2306867072U, 2315251072U, 2323639168U, + 2332032128U, 2340420224U, 2348808064U, 2357196416U, 2365580416U, + 2373966976U, 2382363008U, 2390748544U, 2399139968U, 2407530368U, + 2415918976U, 2424307328U, 2432695424U, 2441084288U, 2449472384U, + 2457861248U, 2466247808U, 2474637184U, 2483026816U, 2491414144U, + 2499803776U, 2508191872U, 2516582272U, 2524970368U, 2533359232U, + 2541743488U, 2550134144U, 2558525056U, 2566913408U, 2575301504U, + 2583686528U, 2592073856U, 2600467328U, 2608856192U, 2617240448U, + 2625631616U, 2634022016U, 2642407552U, 2650796416U, 2659188352U, + 2667574912U, 2675965312U, 2684352896U, 2692738688U, 2701130624U, + 2709518464U, 2717907328U, 2726293376U, 2734685056U, 2743073152U, + 2751462016U, 2759851648U, 2768232832U, 2776625536U, 2785017728U, + 2793401984U, 2801794432U, 2810182016U, 2818571648U, 2826959488U, + 2835349376U, 2843734144U, 2852121472U, 2860514432U, 2868900992U, + 2877286784U, 2885676928U, 2894069632U, 2902451584U, 2910843008U, + 2919234688U, 2927622784U, 2936011648U, 2944400768U, 2952789376U, + 2961177728U, 2969565568U, 2977951616U, 2986338944U, 2994731392U, + 3003120256U, 3011508352U, 3019895936U, 3028287104U, 3036675968U, + 3045063808U, 3053452928U, 3061837696U, 3070228352U, 3078615424U, + 3087003776U, 3095394944U, 3103782272U, 3112173184U, 3120562048U, + 3128944768U, 3137339264U, 3145725056U, 3154109312U, 3162505088U, + 3170893184U, 3179280256U, 3187669376U, 3196056704U, 3204445568U, + 3212836736U, 3221224064U, 3229612928U, 3238002304U, 3246391168U, + 3254778496U, 3263165824U, 3271556224U, 3279944576U, 3288332416U, + 3296719232U, 3305110912U, 3313500032U, 3321887104U, 3330273152U, + 3338658944U, 3347053184U, 3355440512U, 3363827072U, 3372220288U, + 3380608384U, 3388997504U, 3397384576U, 3405774208U, 3414163072U, + 3422551936U, 3430937984U, 3439328384U, 3447714176U, 3456104576U, + 3464493952U, 3472883584U, 3481268864U, 3489655168U, 3498048896U, + 3506434432U, 3514826368U, 3523213952U, 3531603584U, 3539987072U, + 3548380288U, 3556763264U, 3565157248U, 3573545344U, 3581934464U, + 3590324096U, 3598712704U, 3607098752U, 3615488384U, 3623877248U, + 3632265856U, 3640646528U, 3649043584U, 3657430144U, 3665821568U, + 3674207872U, 3682597504U, 3690984832U, 3699367808U, 3707764352U, + 3716152448U, 3724541056U, 3732925568U, 3741318016U, 3749706368U, + 3758091136U, 3766481536U, 3774872704U, 3783260032U, 3791650432U, + 3800036224U, 3808427648U, 3816815488U, 3825204608U, 3833592704U, + 3841981568U, 3850370432U, 3858755968U, 3867147904U, 3875536256U, + 3883920512U, 3892313728U, 3900702592U, 3909087872U, 3917478784U, + 3925868416U, 3934256512U, 3942645376U, 3951032192U, 3959422336U, + 3967809152U, 3976200064U, 3984588416U, 3992974976U, 4001363584U, + 4009751168U, 4018141312U, 4026530432U, 4034911616U, 4043308928U, + 4051695488U, 4060084352U, 4068472448U, 4076862848U, 4085249408U, + 4093640576U, 4102028416U, 4110413696U, 4118805632U, 4127194496U, + 4135583104U, 4143971968U, 4152360832U, 4160746112U, 4169135744U, + 4177525888U, 4185912704U, 4194303616U, 4202691968U, 4211076736U, + 4219463552U, 4227855488U, 4236246656U, 4244633728U, 4253022848U, + 4261412224U, 4269799808U, 4278184832U, 4286578048U, 4294962304U, + 4303349632U, 4311743104U, 4320130432U, 4328521088U, 4336909184U, + 4345295488U, 4353687424U, 4362073472U, 4370458496U, 4378852736U, + 4387238528U, 4395630208U, 4404019072U, 4412407424U, 4420790656U, + 4429182848U, 4437571456U, 4445962112U, 4454344064U, 4462738048U, + 4471119232U, 4479516544U, 4487904128U, 4496289664U, 4504682368U, + 4513068416U, 4521459584U, 4529846144U, 4538232704U, 4546619776U, + 4555010176U, 4563402112U, 4571790208U, 4580174464U, 4588567936U, + 4596957056U, 4605344896U, 4613734016U, 4622119808U, 4630511488U, + 4638898816U, 4647287936U, 4655675264U, 4664065664U, 4672451968U, + 4680842624U, 4689231488U, 4697620352U, 4706007424U, 4714397056U, + 4722786176U, 4731173248U, 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14352906368U, 14361296512U, + 14369685376U, 14378071424U, 14386462592U, 14394848128U, 14403230848U, + 14411627392U, 14420013952U, 14428402304U, 14436793472U, 14445181568U, + 14453569664U, 14461959808U, 14470347904U, 14478737024U, 14487122816U, + 14495511424U, 14503901824U, 14512291712U, 14520677504U, 14529064832U, + 14537456768U, 14545845632U, 14554234496U, 14562618496U, 14571011456U, + 14579398784U, 14587789184U, 14596172672U, 14604564608U, 14612953984U, + 14621341312U, 14629724288U, 14638120832U, 14646503296U, 14654897536U, + 14663284864U, 14671675264U, 14680061056U, 14688447616U, 14696835968U, + 14705228416U, 14713616768U, 14722003328U, 14730392192U, 14738784128U, + 14747172736U, 14755561088U, 14763947648U, 14772336512U, 14780725376U, + 14789110144U, 14797499776U, 14805892736U, 14814276992U, 14822670208U, + 14831056256U, 14839444352U, 14847836032U, 14856222848U, 14864612992U, + 14872997504U, 14881388672U, 14889775744U, 14898165376U, 14906553472U, + 14914944896U, 14923329664U, 14931721856U, 14940109696U, 14948497024U, + 14956887424U, 14965276544U, 14973663616U, 14982053248U, 14990439808U, + 14998830976U, 15007216768U, 15015605888U, 15023995264U, 15032385152U, + 15040768384U, 15049154944U, 15057549184U, 15065939072U, 15074328448U, + 15082715008U, 15091104128U, 15099493504U, 15107879296U, 15116269184U, + 15124659584U, 15133042304U, 15141431936U, 15149824384U, 15158214272U, + 15166602368U, 15174991232U, 15183378304U, 15191760512U, 15200154496U, + 15208542592U, 15216931712U, 15225323392U, 15233708416U, 15242098048U, + 15250489216U, 15258875264U, 15267265408U, 15275654528U, 15284043136U, + 15292431488U, 15300819584U, 15309208192U, 15317596544U, 15325986176U, + 15334374784U, 15342763648U, 15351151744U, 15359540608U, 15367929728U, + 15376318336U, 15384706432U, 15393092992U, 15401481856U, 15409869952U, + 15418258816U, 15426649984U, 15435037568U, 15443425664U, 15451815296U, + 15460203392U, 15468589184U, 15476979328U, 15485369216U, 15493755776U, + 15502146944U, 15510534272U, 15518924416U, 15527311232U, 15535699072U, + 15544089472U, 15552478336U, 15560866688U, 15569254528U, 15577642624U, + 15586031488U, 15594419072U, 15602809472U, 15611199104U, 15619586432U, + 15627975296U, 15636364928U, 15644753792U, 15653141888U, 15661529216U, + 15669918848U, 15678305152U, 15686696576U, 15695083136U, 15703474048U, + 15711861632U, 15720251264U, 15728636288U, 15737027456U, 15745417088U, + 15753804928U, 15762194048U, 15770582656U, 15778971008U, 15787358336U, + 15795747712U, 15804132224U, 15812523392U, 15820909696U, 15829300096U, + 15837691264U, 15846071936U, 15854466944U, 15862855808U, 15871244672U, + 15879634816U, 15888020608U, 15896409728U, 15904799104U, 15913185152U, + 15921577088U, 15929966464U, 15938354816U, 15946743424U, 15955129472U, + 15963519872U, 15971907968U, 15980296064U, 15988684928U, 15997073024U, + 16005460864U, 16013851264U, 16022241152U, 16030629248U, 16039012736U, + 16047406976U, 16055794816U, 16064181376U, 16072571264U, 16080957824U, + 16089346688U, 16097737856U, 16106125184U, 16114514816U, 16122904192U, + 16131292544U, 16139678848U, 16148066944U, 16156453504U, 16164839552U, + 16173236096U, 16181623424U, 16190012032U, 16198401152U, 16206790528U, + 16215177344U, 16223567744U, 16231956352U, 16240344704U, 16248731008U, + 16257117824U, 16265504384U, 16273898624U, 16282281856U, 16290668672U, + 16299064192U, 16307449216U, 16315842176U, 16324230016U, 16332613504U, + 16341006464U, 16349394304U, 16357783168U, 16366172288U, 16374561664U, + 16382951296U, 16391337856U, 16399726208U, 16408116352U, 16416505472U, + 16424892032U, 16433282176U, 16441668224U, 16450058624U, 16458448768U, + 16466836864U, 16475224448U, 16483613056U, 16492001408U, 16500391808U, + 16508779648U, 16517166976U, 16525555328U, 16533944192U, 16542330752U, + 16550719616U, 16559110528U, 16567497088U, 16575888512U, 16584274816U, + 16592665472U, 16601051008U, 16609442944U, 16617832064U, 16626218624U, + 16634607488U, 16642996096U, 16651385728U, 16659773824U, 16668163712U, + 16676552576U, 16684938112U, 16693328768U, 16701718144U, 16710095488U, + 16718492288U, 16726883968U, 16735272832U, 16743661184U, 16752049792U, + 16760436608U, 16768827008U, 16777214336U, 16785599104U, 16793992832U, + 16802381696U, 16810768768U, 16819151744U, 16827542656U, 16835934848U, + 16844323712U, 16852711552U, 16861101952U, 16869489536U, 16877876864U, + 16886265728U, 16894653056U, 16903044736U, 16911431296U, 16919821696U, + 16928207488U, 16936592768U, 16944987776U, 16953375616U, 16961763968U, + 16970152832U, 16978540928U, 16986929536U, 16995319168U, 17003704448U, + 17012096896U, 17020481152U, 17028870784U, 17037262208U, 17045649536U, + 17054039936U, 17062426496U, 17070814336U, 17079205504U, 17087592064U, + 17095978112U, 17104369024U, 17112759424U, 17121147776U, 17129536384U, + 17137926016U, 17146314368U, 17154700928U, 17163089792U, 17171480192U, + 17179864192U, 17188256896U, 17196644992U, 17205033856U, 17213423488U, + 17221811072U, 17230198912U, 17238588032U, 17246976896U, 17255360384U, + 17263754624U, 17272143232U, 17280530048U, 17288918912U, 17297309312U, + 17305696384U, 17314085504U, 17322475136U, 17330863744U, 17339252096U, + 17347640192U, 17356026496U, 17364413824U, 17372796544U, 17381190016U, + 17389583488U, 17397972608U, 17406360704U, 17414748544U, 17423135872U, + 17431527296U, 17439915904U, 17448303232U, 17456691584U, 17465081728U, + 17473468288U, 17481857408U, 17490247552U, 17498635904U, 17507022464U, + 17515409024U, 17523801728U, 17532189824U, 17540577664U, 17548966016U, + 17557353344U, 17565741184U, 17574131584U, 17582519168U, 17590907008U, + 17599296128U, 17607687808U, 17616076672U, 17624455808U, 17632852352U, + 17641238656U, 17649630848U, 17658018944U, 17666403968U, 17674794112U, + 17683178368U, 17691573376U, 17699962496U, 17708350592U, 17716739968U, + 17725126528U, 17733517184U, 17741898112U, 17750293888U, 17758673024U, + 17767070336U, 17775458432U, 17783848832U, 17792236928U, 17800625536U, + 17809012352U, 17817402752U, 17825785984U, 17834178944U, 17842563968U, + 17850955648U, 17859344512U, 17867732864U, 17876119424U, 17884511872U, + 17892900224U, 17901287296U, 17909677696U, 17918058112U, 17926451072U, + 17934843776U, 17943230848U, 17951609216U, 17960008576U, 17968397696U, + 17976784256U, 17985175424U, 17993564032U, 18001952128U, 18010339712U, + 18018728576U, 18027116672U, 18035503232U, 18043894144U, 18052283264U, + 18060672128U, 18069056384U, 18077449856U, 18085837184U, 18094225792U, + 18102613376U, 18111004544U, 18119388544U, 18127781248U, 18136170368U, + 18144558976U, 18152947328U, 18161336192U, 18169724288U, 18178108544U, + 18186498944U, 18194886784U, 18203275648U, 18211666048U, 18220048768U, + 18228444544U, 18236833408U, 18245220736U }; -// 500 Epochs worth of tabulated DAG sizes (~3.5 Years) // Generated with the following Mathematica Code: + // GetCacheSizes[n_] := Module[{ -// DAGSizeBytesInit = 2^30, -// MixBytes = 128, -// DAGGrowth = 113000000, -// HashBytes = 64, -// DAGParents = 1024, -// j = 0}, -// Reap[ -// While[j < n, -// Module[{i = Floor[(DAGSizeBytesInit + DAGGrowth * j) / (DAGParents * HashBytes)]}, -// While[! PrimeQ[i], i--]; -// Sow[i*HashBytes]; j++]]]][[2]][[1]] - -const size_t cache_sizes[] = { - 1048384U, 1158208U, 1268416U, 1377856U, 1489856U, 1599296U, 1710656U, - 1820608U, 1930816U, 2041024U, 2151872U, 2261696U, 2371904U, 2482624U, - 2593216U, 2703296U, 2814016U, 2924224U, 3034816U, 3144896U, 3255488U, - 3365312U, 3475904U, 3586624U, 3696064U, 3806272U, 3917504U, 4027456U, - 4138304U, 4248512U, 4359104U, 4469312U, 4579264U, 4689728U, 4797376U, - 4909888U, 5020096U, 5131328U, 5241664U, 5351744U, 5461312U, 5572544U, - 5683264U, 5793472U, 5903552U, 6014144U, 6121664U, 6235072U, 6344896U, - 6454592U, 6565952U, 6675904U, 6786112U, 6896704U, 7006784U, 7117888U, - 7228096U, 7338304U, 7448768U, 7557952U, 7669184U, 7779776U, 7889216U, - 8000192U, 8110912U, 8220736U, 8331712U, 8441536U, 8552384U, 8662592U, - 8772928U, 8883136U, 8993728U, 9103168U, 9214528U, 9323968U, 9434816U, - 9545152U, 9655616U, 9766336U, 9876544U, 9986624U, 10097344U, 10207424U, - 10316864U, 10427968U, 10538432U, 10649152U, 10758976U, 10869568U, 10979776U, - 11089472U, 11200832U, 11309632U, 11420608U, 11531584U, 11641792U, 11751104U, - 11862976U, 11973184U, 12083264U, 12193856U, 12304064U, 12414656U, 12524608U, - 12635072U, 12745792U, 12855616U, 12965824U, 13076416U, 13187008U, 13297216U, - 13407808U, 13518016U, 13627072U, 13738688U, 13848256U, 13959488U, 14069696U, - 14180288U, 14290624U, 14399552U, 14511424U, 14621504U, 14732096U, 14841664U, - 14951744U, 15062336U, 15172672U, 15283264U, 15393088U, 15504448U, 15614272U, - 15723712U, 15834944U, 15945152U, 16055744U, 16165696U, 16277056U, 16387136U, - 16494784U, 16607936U, 16718272U, 16828736U, 16938176U, 17048384U, 17159872U, - 17266624U, 17380544U, 17490496U, 17600192U, 17711296U, 17821376U, 17931968U, - 18041152U, 18152896U, 18261952U, 18373568U, 18483392U, 18594112U, 18703936U, - 18814912U, 18924992U, 19034944U, 19145408U, 19256128U, 19366208U, 19477184U, - 19587136U, 19696576U, 19808192U, 19916992U, 20028352U, 20137664U, 20249024U, - 20358848U, 20470336U, 20580544U, 20689472U, 20801344U, 20911424U, 21020096U, - 21130688U, 21242176U, 21352384U, 21462208U, 21573824U, 21683392U, 21794624U, - 21904448U, 22013632U, 22125248U, 22235968U, 22344512U, 22456768U, 22566848U, - 22677056U, 22786496U, 22897984U, 23008064U, 23118272U, 23228992U, 23338816U, - 23449408U, 23560256U, 23670464U, 23780672U, 23891264U, 24001216U, 24110656U, - 24221888U, 24332608U, 24442688U, 24552512U, 24662464U, 24773696U, 24884032U, - 24994496U, 25105216U, 25215296U, 25324864U, 25435712U, 25546432U, 25655744U, - 25767232U, 25876672U, 25986368U, 26098112U, 26207936U, 26318912U, 26428736U, - 26539712U, 26650048U, 26760256U, 26869184U, 26979776U, 27091136U, 27201728U, - 27311552U, 27422272U, 27532352U, 27642304U, 27752896U, 27863744U, 27973952U, - 28082752U, 28194752U, 28305344U, 28415168U, 28524992U, 28636352U, 28746304U, - 28857152U, 28967104U, 29077184U, 29187904U, 29298496U, 29408576U, 29518912U, - 29628992U, 29739968U, 29850176U, 29960512U, 30070336U, 30180544U, 30290752U, - 30398912U, 30512192U, 30622784U, 30732992U, 30842176U, 30953536U, 31063744U, - 31174336U, 31284544U, 31395136U, 31504448U, 31615552U, 31725632U, 31835072U, - 31946176U, 32057024U, 32167232U, 32277568U, 32387008U, 32497984U, 32608832U, - 32719168U, 32829376U, 32939584U, 33050048U, 33160768U, 33271232U, 33381184U, - 33491648U, 33601856U, 33712576U, 33822016U, 33932992U, 34042816U, 34153024U, - 34263104U, 34373824U, 34485056U, 34594624U, 34704832U, 34816064U, 34926272U, - 35036224U, 35146816U, 35255104U, 35367104U, 35478208U, 35588416U, 35698496U, - 35808832U, 35918656U, 36029888U, 36139456U, 36250688U, 36360512U, 36471104U, - 36581696U, 36691136U, 36802112U, 36912448U, 37022912U, 37132864U, 37242944U, - 37354048U, 37464512U, 37574848U, 37684928U, 37794752U, 37904704U, 38015552U, - 38125888U, 38236864U, 38345792U, 38457152U, 38567744U, 38678336U, 38787776U, - 38897216U, 39009088U, 39117632U, 39230144U, 39340352U, 39450304U, 39560384U, - 39671488U, 39781312U, 39891392U, 40002112U, 40112704U, 40223168U, 40332608U, - 40443968U, 40553792U, 40664768U, 40774208U, 40884416U, 40993984U, 41105984U, - 41215424U, 41326528U, 41436992U, 41546048U, 41655872U, 41768128U, 41878336U, - 41988928U, 42098752U, 42209344U, 42319168U, 42429248U, 42540352U, 42649792U, - 42761024U, 42871616U, 42981824U, 43092032U, 43201856U, 43312832U, 43423552U, - 43533632U, 43643584U, 43753792U, 43864384U, 43974976U, 44084032U, 44195392U, - 44306368U, 44415296U, 44526016U, 44637248U, 44746816U, 44858048U, 44967872U, - 45078848U, 45188288U, 45299264U, 45409216U, 45518272U, 45630272U, 45740224U, - 45850432U, 45960896U, 46069696U, 46182208U, 46292416U, 46402624U, 46512064U, - 46623296U, 46733888U, 46843712U, 46953664U, 47065024U, 47175104U, 47285696U, - 47395904U, 47506496U, 47615296U, 47726912U, 47837632U, 47947712U, 48055232U, - 48168128U, 48277952U, 48387392U, 48499648U, 48609472U, 48720064U, 48830272U, - 48940096U, 49050944U, 49160896U, 49271744U, 49381568U, 49492288U, 49602752U, - 49712576U, 49822016U, 49934272U, 50042816U, 50154304U, 50264128U, 50374336U, - 50484416U, 50596288U, 50706752U, 50816704U, 50927168U, 51035456U, 51146944U, - 51258176U, 51366976U, 51477824U, 51589568U, 51699776U, 51809728U, 51920576U, - 52030016U, 52140736U, 52251328U, 52361152U, 52470592U, 52582592U, 52691776U, - 52803136U, 52912576U, 53020736U, 53132224U, 53242688U, 53354816U, 53465536U, - 53575232U, 53685568U, 53796544U, 53906752U, 54016832U, 54126656U, 54236992U, - 54347456U, 54457408U, 54569024U, 54679232U, 54789184U, 54899776U, 55008832U, - 55119296U, 55231168U, 55341248U, 55451584U, 55562048U, 55672256U, 55782208U, - 55893184U, 56002112U, 56113216U +// DataSetSizeBytesInit = 2^30, +// MixBytes = 128, +// DataSetGrowth = 2^23, +// HashBytes = 64, +// CacheMultiplier = 1024, +// j = 0}, +// Reap[ +// While[j < n, +// Module[{i = Floor[(DataSetSizeBytesInit + DataSetGrowth * j) / (CacheMultiplier * HashBytes)]}, +// While[! PrimeQ[i], i--]; +// Sow[i*HashBytes]; j++]]]][[2]][[1]] + +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, + 19529408U, 19660096U, 19791424U, 19922752U, 20053952U, 20184896U, 20315968U, + 20446912U, 20576576U, 20709184U, 20840384U, 20971072U, 21102272U, 21233216U, + 21364544U, 21494848U, 21626816U, 21757376U, 21887552U, 22019392U, 22151104U, + 22281536U, 22412224U, 22543936U, 22675264U, 22806464U, 22935872U, 23068096U, + 23198272U, 23330752U, 23459008U, 23592512U, 23723968U, 23854912U, 23986112U, + 24116672U, 24247616U, 24378688U, 24509504U, 24640832U, 24772544U, 24903488U, + 25034432U, 25165376U, 25296704U, 25427392U, 25558592U, 25690048U, 25820096U, + 25951936U, 26081728U, 26214208U, 26345024U, 26476096U, 26606656U, 26737472U, + 26869184U, 26998208U, 27131584U, 27262528U, 27393728U, 27523904U, 27655744U, + 27786688U, 27917888U, 28049344U, 28179904U, 28311488U, 28441792U, 28573504U, + 28700864U, 28835648U, 28966208U, 29096768U, 29228608U, 29359808U, 29490752U, + 29621824U, 29752256U, 29882816U, 30014912U, 30144448U, 30273728U, 30406976U, + 30538432U, 30670784U, 30799936U, 30932672U, 31063744U, 31195072U, 31325248U, + 31456192U, 31588288U, 31719232U, 31850432U, 31981504U, 32110784U, 32243392U, + 32372672U, 32505664U, 32636608U, 32767808U, 32897344U, 33029824U, 33160768U, + 33289664U, 33423296U, 33554368U, 33683648U, 33816512U, 33947456U, 34076992U, + 34208704U, 34340032U, 34471744U, 34600256U, 34734016U, 34864576U, 34993984U, + 35127104U, 35258176U, 35386688U, 35518528U, 35650624U, 35782336U, 35910976U, + 36044608U, 36175808U, 36305728U, 36436672U, 36568384U, 36699968U, 36830656U, + 36961984U, 37093312U, 37223488U, 37355072U, 37486528U, 37617472U, 37747904U, + 37879232U, 38009792U, 38141888U, 38272448U, 38403392U, 38535104U, 38660672U, + 38795584U, 38925632U, 39059264U, 39190336U, 39320768U, 39452096U, 39581632U, + 39713984U, 39844928U, 39974848U, 40107968U, 40238144U, 40367168U, 40500032U, + 40631744U, 40762816U, 40894144U, 41023552U, 41155904U, 41286208U, 41418304U, + 41547712U, 41680448U, 41811904U, 41942848U, 42073792U, 42204992U, 42334912U, + 42467008U, 42597824U, 42729152U, 42860096U, 42991552U, 43122368U, 43253696U, + 43382848U, 43515712U, 43646912U, 43777088U, 43907648U, 44039104U, 44170432U, + 44302144U, 44433344U, 44564288U, 44694976U, 44825152U, 44956864U, 45088448U, + 45219008U, 45350464U, 45481024U, 45612608U, 45744064U, 45874496U, 46006208U, + 46136768U, 46267712U, 46399424U, 46529344U, 46660672U, 46791488U, 46923328U, + 47053504U, 47185856U, 47316928U, 47447872U, 47579072U, 47710144U, 47839936U, + 47971648U, 48103232U, 48234176U, 48365248U, 48496192U, 48627136U, 48757312U, + 48889664U, 49020736U, 49149248U, 49283008U, 49413824U, 49545152U, 49675712U, + 49807168U, 49938368U, 50069056U, 50200256U, 50331584U, 50462656U, 50593472U, + 50724032U, 50853952U, 50986048U, 51117632U, 51248576U, 51379904U, 51510848U, + 51641792U, 51773248U, 51903296U, 52035136U, 52164032U, 52297664U, 52427968U, + 52557376U, 52690112U, 52821952U, 52952896U, 53081536U, 53213504U, 53344576U, + 53475776U, 53608384U, 53738816U, 53870528U, 54000832U, 54131776U, 54263744U, + 54394688U, 54525248U, 54655936U, 54787904U, 54918592U, 55049152U, 55181248U, + 55312064U, 55442752U, 55574336U, 55705024U, 55836224U, 55967168U, 56097856U, + 56228672U, 56358592U, 56490176U, 56621888U, 56753728U, 56884928U, 57015488U, + 57146816U, 57278272U, 57409216U, 57540416U, 57671104U, 57802432U, 57933632U, + 58064576U, 58195264U, 58326976U, 58457408U, 58588864U, 58720192U, 58849984U, + 58981696U, 59113024U, 59243456U, 59375552U, 59506624U, 59637568U, 59768512U, + 59897792U, 60030016U, 60161984U, 60293056U, 60423872U, 60554432U, 60683968U, + 60817216U, 60948032U, 61079488U, 61209664U, 61341376U, 61471936U, 61602752U, + 61733696U, 61865792U, 61996736U, 62127808U, 62259136U, 62389568U, 62520512U, + 62651584U, 62781632U, 62910784U, 63045056U, 63176128U, 63307072U, 63438656U, + 63569216U, 63700928U, 63831616U, 63960896U, 64093888U, 64225088U, 64355392U, + 64486976U, 64617664U, 64748608U, 64879424U, 65009216U, 65142464U, 65273792U, + 65402816U, 65535424U, 65666752U, 65797696U, 65927744U, 66060224U, 66191296U, + 66321344U, 66453056U, 66584384U, 66715328U, 66846656U, 66977728U, 67108672U, + 67239104U, 67370432U, 67501888U, 67631296U, 67763776U, 67895104U, 68026304U, + 68157248U, 68287936U, 68419264U, 68548288U, 68681408U, 68811968U, 68942912U, + 69074624U, 69205568U, 69337024U, 69467584U, 69599168U, 69729472U, 69861184U, + 69989824U, 70122944U, 70253888U, 70385344U, 70515904U, 70647232U, 70778816U, + 70907968U, 71040832U, 71171648U, 71303104U, 71432512U, 71564992U, 71695168U, + 71826368U, 71958464U, 72089536U, 72219712U, 72350144U, 72482624U, 72613568U, + 72744512U, 72875584U, 73006144U, 73138112U, 73268672U, 73400128U, 73530944U, + 73662272U, 73793344U, 73924544U, 74055104U, 74185792U, 74316992U, 74448832U, + 74579392U, 74710976U, 74841664U, 74972864U, 75102784U, 75233344U, 75364544U, + 75497024U, 75627584U, 75759296U, 75890624U, 76021696U, 76152256U, 76283072U, + 76414144U, 76545856U, 76676672U, 76806976U, 76937792U, 77070016U, 77200832U, + 77331392U, 77462464U, 77593664U, 77725376U, 77856448U, 77987776U, 78118336U, + 78249664U, 78380992U, 78511424U, 78642496U, 78773056U, 78905152U, 79033664U, + 79166656U, 79297472U, 79429568U, 79560512U, 79690816U, 79822784U, 79953472U, + 80084672U, 80214208U, 80346944U, 80477632U, 80608576U, 80740288U, 80870848U, + 81002048U, 81133504U, 81264448U, 81395648U, 81525952U, 81657536U, 81786304U, + 81919808U, 82050112U, 82181312U, 82311616U, 82443968U, 82573376U, 82705984U, + 82835776U, 82967744U, 83096768U, 83230528U, 83359552U, 83491264U, 83622464U, + 83753536U, 83886016U, 84015296U, 84147776U, 84277184U, 84409792U, 84540608U, + 84672064U, 84803008U, 84934336U, 85065152U, 85193792U, 85326784U, 85458496U, + 85589312U, 85721024U, 85851968U, 85982656U, 86112448U, 86244416U, 86370112U, + 86506688U, 86637632U, 86769344U, 86900672U, 87031744U, 87162304U, 87293632U, + 87424576U, 87555392U, 87687104U, 87816896U, 87947968U, 88079168U, 88211264U, + 88341824U, 88473152U, 88603712U, 88735424U, 88862912U, 88996672U, 89128384U, + 89259712U, 89390272U, 89521984U, 89652544U, 89783872U, 89914816U, 90045376U, + 90177088U, 90307904U, 90438848U, 90569152U, 90700096U, 90832832U, 90963776U, + 91093696U, 91223744U, 91356992U, 91486784U, 91618496U, 91749824U, 91880384U, + 92012224U, 92143552U, 92273344U, 92405696U, 92536768U, 92666432U, 92798912U, + 92926016U, 93060544U, 93192128U, 93322816U, 93453632U, 93583936U, 93715136U, + 93845056U, 93977792U, 94109504U, 94240448U, 94371776U, 94501184U, 94632896U, + 94764224U, 94895552U, 95023424U, 95158208U, 95287744U, 95420224U, 95550016U, + 95681216U, 95811904U, 95943872U, 96075328U, 96203584U, 96337856U, 96468544U, + 96599744U, 96731072U, 96860992U, 96992576U, 97124288U, 97254848U, 97385536U, + 97517248U, 97647808U, 97779392U, 97910464U, 98041408U, 98172608U, 98303168U, + 98434496U, 98565568U, 98696768U, 98827328U, 98958784U, 99089728U, 99220928U, + 99352384U, 99482816U, 99614272U, 99745472U, 99876416U, 100007104U, + 100138048U, 100267072U, 100401088U, 100529984U, 100662592U, 100791872U, + 100925248U, 101056064U, 101187392U, 101317952U, 101449408U, 101580608U, + 101711296U, 101841728U, 101973824U, 102104896U, 102235712U, 102366016U, + 102498112U, 102628672U, 102760384U, 102890432U, 103021888U, 103153472U, + 103284032U, 103415744U, 103545152U, 103677248U, 103808576U, 103939648U, + 104070976U, 104201792U, 104332736U, 104462528U, 104594752U, 104725952U, + 104854592U, 104988608U, 105118912U, 105247808U, 105381184U, 105511232U, + 105643072U, 105774784U, 105903296U, 106037056U, 106167872U, 106298944U, + 106429504U, 106561472U, 106691392U, 106822592U, 106954304U, 107085376U, + 107216576U, 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277216832U, 277347008U, 277478848U, 277609664U, 277740992U, + 277868608U, 278002624U, 278134336U, 278265536U, 278395328U, 278526784U, + 278657728U, 278789824U, 278921152U, 279052096U, 279182912U, 279313088U, + 279443776U, 279576256U, 279706048U, 279838528U, 279969728U, 280099648U, + 280230976U, 280361408U, 280493632U, 280622528U, 280755392U, 280887104U, + 281018176U, 281147968U, 281278912U, 281411392U, 281542592U, 281673152U, + 281803712U, 281935552U, 282066496U, 282197312U, 282329024U, 282458816U, + 282590272U, 282720832U, 282853184U, 282983744U, 283115072U, 283246144U, + 283377344U, 283508416U, 283639744U, 283770304U, 283901504U, 284032576U, + 284163136U, 284294848U, 284426176U, 284556992U, 284687296U, 284819264U, + 284950208U, 285081536U }; #ifdef __cplusplus diff --git a/libethash/ethash.h b/libethash/ethash.h index b96e6347d..a7159de65 100644 --- a/libethash/ethash.h +++ b/libethash/ethash.h @@ -1,19 +1,20 @@ /* - This file is part of cpp-ethereum. + This file is part of ethash. - cpp-ethereum is free software: you can redistribute it and/or modify + ethash is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - cpp-ethereum is distributed in the hope that it will be useful, + ethash is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with cpp-ethereum. If not, see . + along with ethash. If not, see . */ + /** @file ethash.h * @date 2015 */ @@ -25,26 +26,17 @@ #include #include "compiler.h" -#define ETHASH_REVISION 19 -#define ETHASH_DAGSIZE_BYTES_INIT 1073741824U // 2**30 -#define ETHASH_DAG_GROWTH 113000000U -#define ETHASH_EPOCH_LENGTH 30000U -#define ETHASH_MIX_BYTES 128 -#define ETHASH_DAG_PARENTS 256 -#define ETHASH_CACHE_ROUNDS 3 -#define ETHASH_ACCESSES 64 - -// ********************* -// TODO: Remove once other code moved over to compliant naming scheme. -#define REVISION 19 -#define DAGSIZE_BYTES_INIT 1073741824U // 2**30 -#define DAG_GROWTH 113000000U +#define REVISION 23 +#define DATASET_BYTES_INIT 1073741824U // 2**30 +#define DATASET_BYTES_GROWTH 8388608U // 2**23 +#define CACHE_BYTES_INIT 1073741824U // 2**24 +#define CACHE_BYTES_GROWTH 131072U // 2**17 #define EPOCH_LENGTH 30000U #define MIX_BYTES 128 -#define DAG_PARENTS 256 +#define HASH_BYTES 64 +#define DATASET_PARENTS 256 #define CACHE_ROUNDS 3 #define ACCESSES 64 -// ********************* #ifdef __cplusplus extern "C" { @@ -70,35 +62,54 @@ static inline void ethash_params_init(ethash_params *params, const uint32_t bloc } typedef struct ethash_cache { - void *mem; + void *mem; } ethash_cache; 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 void ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) { + ethash_cache c; + c.mem = cache; + ethash_mkcache(&c, params, seed); +} + +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; + ethash_light(ret, &c, params, header_hash, nonce); +} + +static inline void ethash_prep_full(void *full, ethash_params const *params, void const *cache) { + ethash_cache c; + c.mem = (void *) cache; + ethash_compute_full_data(full, params, &c); +} -static inline void ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) { ethash_cache c; c.mem = cache; ethash_mkcache(&c, params, seed); } -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; ethash_light(ret, &c, params, header_hash, nonce); } -static inline void ethash_prep_full(void *full, ethash_params const *params, void const *cache) { ethash_cache c; c.mem = (void*)cache; ethash_compute_full_data(full, params, &c); } -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); } +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 static inline int ethash_check_difficulty( const uint8_t hash[32], const uint8_t difficulty[32]) { // Difficulty is big endian for (int i = 0; i < 32; i++) { if (hash[i] == difficulty[i]) continue; - return hash[i] < difficulty[i]; + return hash[i] < difficulty[i]; } - return 1; + return 1; } -void ethash_quick_hash( - uint8_t return_hash[32], +int ethash_quick_check_difficulty( const uint8_t header_hash[32], const uint64_t nonce, - const uint8_t mix_hash[32]); + const uint8_t mix_hash[32], + const uint8_t difficulty[32]); #ifdef __cplusplus } diff --git a/libethash/internal.c b/libethash/internal.c index a2b82d375..0a7e767e7 100644 --- a/libethash/internal.c +++ b/libethash/internal.c @@ -1,12 +1,12 @@ /* - This file is part of cpp-ethereum. + This file is part of ethash. - cpp-ethereum is free software: you can redistribute it and/or modify + ethash is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - cpp-ethereum is distributed in the hope that it will be useful, + ethash is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -14,7 +14,7 @@ You should have received a copy of the GNU General Public License along with cpp-ethereum. If not, see . */ -/** @file dash.cpp +/** @file internal.c * @author Tim Hughes * @author Matthew Wampler-Doty * @date 2015 @@ -38,12 +38,12 @@ #endif // WITH_CRYPTOPP size_t ethash_get_datasize(const uint32_t block_number) { - assert(block_number / EPOCH_LENGTH < 500); + assert(block_number / EPOCH_LENGTH < 2048); return dag_sizes[block_number / EPOCH_LENGTH]; } size_t ethash_get_cachesize(const uint32_t block_number) { - assert(block_number / EPOCH_LENGTH < 500); + assert(block_number / EPOCH_LENGTH < 2048); return cache_sizes[block_number / EPOCH_LENGTH]; } @@ -55,7 +55,7 @@ void static ethash_compute_cache_nodes( ethash_params const *params, const uint8_t seed[32]) { assert((params->cache_size % sizeof(node)) == 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); @@ -68,10 +68,9 @@ void static ethash_compute_cache_nodes( uint32_t const idx = nodes[i].words[0] % num_nodes; node data; data = nodes[(num_nodes - 1 + i) % num_nodes]; - for (unsigned w = 0; w != NODE_WORDS; ++w) - { - data.words[w] ^= nodes[idx].words[w]; - } + for (unsigned w = 0; w != NODE_WORDS; ++w) { + data.words[w] ^= nodes[idx].words[w]; + } SHA3_512(nodes[i].bytes, data.bytes, sizeof(data)); } } @@ -86,7 +85,7 @@ void static ethash_compute_cache_nodes( } void ethash_mkcache( - ethash_cache *cache, + ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]) { node *nodes = (node *) cache->mem; @@ -99,13 +98,13 @@ void ethash_calculate_dag_item( const struct ethash_params *params, const struct ethash_cache *cache) { - 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 *init = &cache_nodes[node_index % num_parent_nodes]; - memcpy(ret, init, sizeof(node)); - ret->words[0] ^= node_index; - SHA3_512(ret->bytes, ret->bytes, sizeof(node)); + memcpy(ret, init, sizeof(node)); + ret->words[0] ^= node_index; + SHA3_512(ret->bytes, ret->bytes, sizeof(node)); #if defined(_M_X64) && ENABLE_SSE __m128i const fnv_prime = _mm_set1_epi32(FNV_PRIME); @@ -115,12 +114,11 @@ void ethash_calculate_dag_item( __m128i xmm3 = ret->xmm[3]; #endif - for (unsigned i = 0; i != DAG_PARENTS; ++i) - { - uint32_t parent_index = ((node_index ^ i)*FNV_PRIME ^ ret->words[i % NODE_WORDS]) % num_parent_nodes; + for (unsigned i = 0; i != DATASET_PARENTS; ++i) { + uint32_t parent_index = ((node_index ^ i) * FNV_PRIME ^ ret->words[i % NODE_WORDS]) % num_parent_nodes; node const *parent = &cache_nodes[parent_index]; - #if defined(_M_X64) && ENABLE_SSE +#if defined(_M_X64) && ENABLE_SSE { xmm0 = _mm_mullo_epi32(xmm0, fnv_prime); xmm1 = _mm_mullo_epi32(xmm1, fnv_prime); @@ -143,10 +141,10 @@ void ethash_calculate_dag_item( ret->words[w] = fnv_hash(ret->words[w], parent->words[w]); } } - #endif +#endif } - SHA3_512(ret->bytes, ret->bytes, sizeof(node)); + SHA3_512(ret->bytes, ret->bytes, sizeof(node)); } void ethash_compute_full_data( @@ -164,7 +162,7 @@ void ethash_compute_full_data( } static void ethash_hash( - ethash_return_value * ret, + ethash_return_value *ret, node const *full_nodes, ethash_cache const *cache, ethash_params const *params, @@ -174,7 +172,7 @@ static void ethash_hash( assert((params->full_size % MIX_WORDS) == 0); // pack hash and nonce together into first 40 bytes of s_mix - assert(sizeof(node)*8 == 512); + assert(sizeof(node) * 8 == 512); node s_mix[MIX_NODES + 1]; memcpy(s_mix[0].bytes, header_hash, 32); @@ -193,23 +191,21 @@ static void ethash_hash( } #endif - node* const mix = s_mix + 1; + node *const mix = s_mix + 1; for (unsigned w = 0; w != MIX_WORDS; ++w) { mix->words[w] = s_mix[0].words[w % NODE_WORDS]; } unsigned const page_size = sizeof(uint32_t) * MIX_WORDS, - num_full_pages = (unsigned)(params->full_size / page_size); + num_full_pages = (unsigned) (params->full_size / page_size); - for (unsigned i = 0; i != ACCESSES; ++i) - { - uint32_t const index = ((s_mix->words[0] ^ i)*FNV_PRIME ^ mix->words[i % MIX_WORDS]) % num_full_pages; + for (unsigned i = 0; i != ACCESSES; ++i) { + uint32_t const index = ((s_mix->words[0] ^ i) * FNV_PRIME ^ mix->words[i % MIX_WORDS]) % num_full_pages; - for (unsigned n = 0; n != MIX_NODES; ++n) - { - const node * dag_node = &full_nodes[MIX_NODES * index + n]; + for (unsigned n = 0; n != MIX_NODES; ++n) { + const node *dag_node = &full_nodes[MIX_NODES * index + n]; if (!full_nodes) { node tmp_node; @@ -217,7 +213,7 @@ static void ethash_hash( dag_node = &tmp_node; } - #if defined(_M_X64) && ENABLE_SSE +#if defined(_M_X64) && ENABLE_SSE { __m128i fnv_prime = _mm_set1_epi32(FNV_PRIME); __m128i xmm0 = _mm_mullo_epi32(fnv_prime, mix[n].xmm[0]); @@ -235,20 +231,19 @@ static void ethash_hash( mix[n].words[w] = fnv_hash(mix[n].words[w], dag_node->words[w]); } } - #endif +#endif } } - // compress mix - for (unsigned w = 0; w != MIX_WORDS; w += 4) - { - uint32_t reduction = mix->words[w+0]; - reduction = reduction*FNV_PRIME ^ mix->words[w+1]; - reduction = reduction*FNV_PRIME ^ mix->words[w+2]; - reduction = reduction*FNV_PRIME ^ mix->words[w+3]; - mix->words[w/4] = reduction; - } + // compress mix + for (unsigned w = 0; w != MIX_WORDS; w += 4) { + uint32_t reduction = mix->words[w + 0]; + reduction = reduction * FNV_PRIME ^ mix->words[w + 1]; + reduction = reduction * FNV_PRIME ^ mix->words[w + 2]; + reduction = reduction * FNV_PRIME ^ mix->words[w + 3]; + mix->words[w / 4] = reduction; + } #if BYTE_ORDER != LITTLE_ENDIAN for (unsigned w = 0; w != MIX_WORDS/4; ++w) { @@ -258,7 +253,7 @@ static void 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) + SHA3_256(ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix) } void ethash_quick_hash( @@ -267,7 +262,7 @@ void ethash_quick_hash( const uint64_t nonce, const uint8_t mix_hash[32]) { - uint8_t buf[64+32]; + uint8_t buf[64 + 32]; memcpy(buf, header_hash, 32); #if BYTE_ORDER != LITTLE_ENDIAN nonce = fix_endian64(nonce); @@ -275,7 +270,14 @@ void ethash_quick_hash( memcpy(&(buf[32]), &nonce, 8); SHA3_512(buf, buf, 40); memcpy(&(buf[64]), mix_hash, 32); - SHA3_256(return_hash, buf, 64+32); + SHA3_256(return_hash, buf, 64 + 32); +} + +void ethash_get_seedhash(uint8_t seedhash[32], const uint32_t block_number) { + memset(seedhash, 0, 32); + const uint32_t epochs = block_number / EPOCH_LENGTH; + for (uint32_t i = 0; i < epochs; ++i) + SHA3_256(seedhash, seedhash, 32); } int ethash_quick_check_difficulty( @@ -289,10 +291,10 @@ int ethash_quick_check_difficulty( return ethash_check_difficulty(return_hash, difficulty); } -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) { +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); } -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) { +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/libethash/internal.h b/libethash/internal.h index d77991d56..bcbacdaa4 100644 --- a/libethash/internal.h +++ b/libethash/internal.h @@ -37,6 +37,12 @@ void ethash_calculate_dag_item( ethash_cache const *cache ); +void ethash_quick_hash( + uint8_t return_hash[32], + const uint8_t header_hash[32], + const uint64_t nonce, + const uint8_t mix_hash[32]); + #ifdef __cplusplus } #endif \ No newline at end of file diff --git a/libethash/sha3_cryptopp.cpp b/libethash/sha3_cryptopp.cpp index 9454ce04a..6cbbcad8f 100644 --- a/libethash/sha3_cryptopp.cpp +++ b/libethash/sha3_cryptopp.cpp @@ -1,18 +1,18 @@ /* - This file is part of cpp-ethereum. + This file is part of ethash. - cpp-ethereum is free software: you can redistribute it and/or modify + ethash is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - cpp-ethereum is distributed in the hope that it will be useful, + ethash is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with cpp-ethereum. If not, see . + along with ethash. If not, see . */ /** @file sha3.cpp diff --git a/libethash/util.h b/libethash/util.h index 2f59076f6..ba8957815 100644 --- a/libethash/util.h +++ b/libethash/util.h @@ -1,18 +1,18 @@ /* - This file is part of cpp-ethereum. + This file is part of ethash. - cpp-ethereum is free software: you can redistribute it and/or modify + ethash is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - cpp-ethereum is distributed in the hope that it will be useful, + ethash is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with cpp-ethereum. If not, see . + along with ethash. If not, see . */ /** @file util.h * @author Tim Hughes