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authorobscuren <geffobscura@gmail.com>2015-04-05 21:14:55 +0800
committerobscuren <geffobscura@gmail.com>2015-04-05 21:14:55 +0800
commit09d3f2cf2ab190f8d92497b735a1eb248cf2b507 (patch)
treef1d1edad593d5b5f52c492abea9e3ee1297fd185
parent5b9a0e711800013a27be73cf963823b61e1ef727 (diff)
downloaddexon-09d3f2cf2ab190f8d92497b735a1eb248cf2b507.tar.gz
dexon-09d3f2cf2ab190f8d92497b735a1eb248cf2b507.tar.zst
dexon-09d3f2cf2ab190f8d92497b735a1eb248cf2b507.zip
Update ethash
-rw-r--r--Godeps/Godeps.json4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml14
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt2
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go16
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt5
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp64
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt7
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp16
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h1
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt7
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h4
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h75
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c14
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.c89
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.h116
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_posix.c76
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_win32.c73
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c57
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt47
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp166
-rw-r--r--Godeps/_workspace/src/github.com/ethereum/ethash/test/go/test.sh20
-rw-r--r--eth/backend.go2
22 files changed, 746 insertions, 129 deletions
diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 4c8c8281e..bc7ece021 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -22,8 +22,8 @@
},
{
"ImportPath": "github.com/ethereum/ethash",
- "Comment": "v23.1-33-g6ecb8e6",
- "Rev": "6ecb8e610d60240187b44f61e66b06198c26fae6"
+ "Comment": "v23.1-72-g0ac34ad",
+ "Rev": "0ac34ad51ef0ffdae66b344603bb4e9e2a149b2a"
},
{
"ImportPath": "github.com/ethereum/serpent-go",
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml b/Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml
index 4b929eb69..30e944a68 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml
@@ -1,6 +1,14 @@
+# making our travis.yml play well with C++11 by obtaining g++4.8
+# Taken from this file:
+# https://github.com/beark/ftl/blob/master/.travis.yml
before_install:
- - sudo apt-get update -qq
- - sudo apt-get install -qq wget cmake gcc bash libboost-test-dev nodejs python-pip python-dev
- - sudo pip install virtualenv -q
+ - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+ - sudo apt-get update -y -qq
+install:
+ - sudo apt-get install -qq --yes --force-yes g++-4.8
+ - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50
+ # need to explicitly request version 1.48 since by default we get 1.46 which does not work with C++11
+ - sudo apt-get install -qq wget cmake bash libboost-test1.48-dev libboost-system1.48-dev libboost-filesystem1.48-dev nodejs python-pip python-dev
+ - sudo pip install virtualenv -q
script: "./test/test.sh"
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt b/Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt
index 79f2e5335..ea8c1849a 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt
@@ -18,4 +18,4 @@ if (OpenCL_FOUND)
add_subdirectory(src/libethash-cl)
endif()
add_subdirectory(src/benchmark EXCLUDE_FROM_ALL)
-add_subdirectory(test/c EXCLUDE_FROM_ALL)
+add_subdirectory(test/c)
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
index 8746aaca9..6327e4c66 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go
@@ -85,7 +85,7 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) (*Params
Epoch: blockNum / epochLength,
}
C.ethash_params_init(paramsAndCache.params, C.uint32_t(uint32(blockNum)))
- paramsAndCache.cache.mem = C.malloc(paramsAndCache.params.cache_size)
+ paramsAndCache.cache.mem = C.malloc(C.size_t(paramsAndCache.params.cache_size))
seedHash, err := GetSeedHash(blockNum)
if err != nil {
@@ -100,14 +100,14 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) (*Params
return paramsAndCache, nil
}
-func (pow *Ethash) UpdateCache(force bool) error {
+func (pow *Ethash) UpdateCache(blockNum uint64, force bool) error {
pow.cacheMutex.Lock()
defer pow.cacheMutex.Unlock()
- thisEpoch := pow.chainManager.CurrentBlock().NumberU64() / epochLength
+ thisEpoch := blockNum / epochLength
if force || pow.paramsAndCache.Epoch != thisEpoch {
var err error
- pow.paramsAndCache, err = makeParamsAndCache(pow.chainManager, pow.chainManager.CurrentBlock().NumberU64())
+ pow.paramsAndCache, err = makeParamsAndCache(pow.chainManager, blockNum)
if err != nil {
panic(err)
}
@@ -118,7 +118,7 @@ func (pow *Ethash) UpdateCache(force bool) error {
func makeDAG(p *ParamsAndCache) *DAG {
d := &DAG{
- dag: C.malloc(p.params.full_size),
+ dag: C.malloc(C.size_t(p.params.full_size)),
file: false,
paramsAndCache: p,
}
@@ -386,13 +386,13 @@ func (pow *Ethash) verify(hash common.Hash, mixDigest common.Hash, difficulty *b
if blockNum/epochLength < pow.paramsAndCache.Epoch {
var err error
// If we can't make the params for some reason, this block is invalid
- pAc, err = makeParamsAndCache(pow.chainManager, blockNum)
+ pAc, err = makeParamsAndCache(pow.chainManager, blockNum+1)
if err != nil {
- powlogger.Infoln(err)
+ powlogger.Infoln("big fucking eror", err)
return false
}
} else {
- pow.UpdateCache(false)
+ pow.UpdateCache(blockNum, false)
pow.cacheMutex.RLock()
defer pow.cacheMutex.RUnlock()
pAc = pow.paramsAndCache
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt b/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt
index e6ba85790..840fe5146 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt
@@ -6,6 +6,11 @@ if (MSVC)
add_definitions("/openmp")
endif()
+# enable C++11, should probably be a bit more specific about compiler
+if (NOT MSVC)
+ SET(CMAKE_CXX_FLAGS "-std=c++11")
+endif()
+
if (NOT MPI_FOUND)
find_package(MPI)
endif()
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp b/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp
index 7dae4f18c..17e9e1b7a 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp
@@ -21,7 +21,7 @@
#include <stdio.h>
#include <stdlib.h>
-#include <time.h>
+#include <chrono>
#include <libethash/ethash.h>
#include <libethash/util.h>
#ifdef OPENCL
@@ -41,6 +41,8 @@
#undef min
#undef max
+using std::chrono::high_resolution_clock;
+
#if defined(OPENCL)
const unsigned trials = 1024*1024*32;
#elif defined(FULL)
@@ -122,50 +124,50 @@ extern "C" int main(void)
// compute cache or full data
{
- clock_t startTime = clock();
+ auto startTime = high_resolution_clock::now();
ethash_mkcache(&cache, &params, seed);
- clock_t time = clock() - startTime;
+ auto time = std::chrono::duration_cast<std::chrono::milliseconds>(high_resolution_clock::now() - startTime).count();
uint8_t cache_hash[32];
SHA3_256(cache_hash, (uint8_t const*)cache_mem, params.cache_size);
- debugf("ethash_mkcache: %ums, sha3: %s\n", (unsigned)((time*1000)/CLOCKS_PER_SEC), bytesToHexString(cache_hash,sizeof(cache_hash)).data());
+ debugf("ethash_mkcache: %ums, sha3: %s\n", (unsigned)time, bytesToHexString(cache_hash,sizeof(cache_hash)).data());
// print a couple of test hashes
{
- const clock_t startTime = clock();
+ auto startTime = high_resolution_clock::now();
ethash_return_value hash;
ethash_light(&hash, &cache, &params, previous_hash, 0);
- const clock_t time = clock() - startTime;
- debugf("ethash_light test: %ums, %s\n", (unsigned)((time*1000)/CLOCKS_PER_SEC), bytesToHexString(hash.result, 32).data());
+ auto time = std::chrono::duration_cast<std::chrono::milliseconds>(high_resolution_clock::now() - startTime).count();
+ debugf("ethash_light test: %ums, %s\n", (unsigned)time, bytesToHexString(hash.result, 32).data());
}
#ifdef FULL
- startTime = clock();
+ startTime = high_resolution_clock::now();
ethash_compute_full_data(full_mem, &params, &cache);
- time = clock() - startTime;
- debugf("ethash_compute_full_data: %ums\n", (unsigned)((time*1000)/CLOCKS_PER_SEC));
+ time = std::chrono::duration_cast<std::chrono::milliseconds>(high_resolution_clock::now() - startTime).count();
+ debugf("ethash_compute_full_data: %ums\n", (unsigned)time);
#endif // FULL
}
#ifdef OPENCL
ethash_cl_miner miner;
{
- const clock_t startTime = clock();
+ auto startTime = high_resolution_clock::now();
if (!miner.init(params, seed))
exit(-1);
- const clock_t time = clock() - startTime;
- debugf("ethash_cl_miner init: %ums\n", (unsigned)((time*1000)/CLOCKS_PER_SEC));
+ auto time = std::chrono::duration_cast<std::chrono::milliseconds>(high_resolution_clock::now() - startTime).count();
+ debugf("ethash_cl_miner init: %ums\n", (unsigned)time);
}
#endif
#ifdef FULL
{
- const clock_t startTime = clock();
+ auto startTime = high_resolution_clock::now();
ethash_return_value hash;
ethash_full(&hash, full_mem, &params, previous_hash, 0);
- const clock_t time = clock() - startTime;
- debugf("ethash_full test: %uns, %s\n", (unsigned)((time*1000000)/CLOCKS_PER_SEC), bytesToHexString(hash.result, 32).data());
+ auto time = std::chrono::duration_cast<std::chrono::milliseconds>(high_resolution_clock::now() - startTime).count();
+ debugf("ethash_full test: %uns, %s\n", (unsigned)time);
}
#endif
@@ -186,10 +188,12 @@ extern "C" int main(void)
}
}
}
+
+ // ensure nothing else is going on
+ miner.finish();
#endif
-
- clock_t startTime = clock();
+ auto startTime = high_resolution_clock::now();
unsigned hash_count = trials;
#ifdef OPENCL
@@ -201,7 +205,7 @@ extern "C" int main(void)
virtual bool found(uint64_t const* nonces, uint32_t count)
{
- nonce_vec.assign(nonces, nonces + count);
+ nonce_vec.insert(nonce_vec.end(), nonces, nonces + count);
return false;
}
@@ -241,15 +245,23 @@ extern "C" int main(void)
}
}
#endif
-
- clock_t time = std::max((clock_t)1u, clock() - startTime);
-
+ auto time = std::chrono::duration_cast<std::chrono::microseconds>(high_resolution_clock::now() - startTime).count();
+ debugf("Search took: %ums\n", (unsigned)time/1000);
+
unsigned read_size = ACCESSES * MIX_BYTES;
- debugf(
- "hashrate: %8u, bw: %6u MB/s\n",
- (unsigned)(((uint64_t)hash_count*CLOCKS_PER_SEC)/time),
- (unsigned)((((uint64_t)hash_count*read_size*CLOCKS_PER_SEC)/time) / (1024*1024))
+#if defined(OPENCL) || defined(FULL)
+ debugf(
+ "hashrate: %8.2f Mh/s, bw: %8.2f GB/s\n",
+ (double)hash_count * (1000*1000)/time / (1000*1000),
+ (double)hash_count*read_size * (1000*1000)/time / (1024*1024*1024)
+ );
+#else
+ debugf(
+ "hashrate: %8.2f Kh/s, bw: %8.2f MB/s\n",
+ (double)hash_count * (1000*1000)/time / (1000),
+ (double)hash_count*read_size * (1000*1000)/time / (1024*1024)
);
+#endif
free(cache_mem_buf);
#ifdef FULL
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt
index f37471cf3..30fa7ed4b 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt
@@ -1,3 +1,5 @@
+cmake_minimum_required(VERSION 2.8)
+
set(LIBRARY ethash-cl)
set(CMAKE_BUILD_TYPE Release)
@@ -28,11 +30,16 @@ if (NOT MSVC)
endif ()
endif()
+set(OpenCL_FOUND TRUE)
+set(OpenCL_INCLUDE_DIRS /usr/include/CL)
+set(OpenCL_LIBRARIES -lOpenCL)
+
if (NOT OpenCL_FOUND)
find_package(OpenCL)
endif()
if (OpenCL_FOUND)
+ set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -Werror -pedantic -fPIC ${CMAKE_CXX_FLAGS}")
include_directories(${OpenCL_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR})
include_directories(..)
add_library(${LIBRARY} ethash_cl_miner.cpp ethash_cl_miner.h cl.hpp)
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp
index d3f0e9611..e668f0622 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp
@@ -22,6 +22,8 @@
#define _CRT_SECURE_NO_WARNINGS
+#include <cstdio>
+#include <cstdlib>
#include <assert.h>
#include <queue>
#include <vector>
@@ -52,6 +54,14 @@ ethash_cl_miner::ethash_cl_miner()
{
}
+void ethash_cl_miner::finish()
+{
+ if (m_queue())
+ {
+ m_queue.finish();
+ }
+}
+
bool ethash_cl_miner::init(ethash_params const& params, const uint8_t seed[32], unsigned workgroup_size)
{
// store params
@@ -95,7 +105,7 @@ bool ethash_cl_miner::init(ethash_params const& params, const uint8_t seed[32],
}
// create context
- m_context = cl::Context(std::vector<cl::Device>(&device, &device+1));
+ m_context = cl::Context(std::vector<cl::Device>(&device, &device + 1));
m_queue = cl::CommandQueue(m_context, device);
// use requested workgroup size, but we require multiple of 8
@@ -308,6 +318,10 @@ void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook
if (exit)
break;
+ // reset search buffer if we're still going
+ if (num_found)
+ m_queue.enqueueWriteBuffer(m_search_buf[batch.buf], true, 0, 4, &c_zero);
+
pending.pop();
}
}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h
index 3fb98b5b7..7889989e3 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h
@@ -21,6 +21,7 @@ public:
bool init(ethash_params const& params, const uint8_t seed[32], unsigned workgroup_size = 64);
+ void finish();
void hash(uint8_t* ret, uint8_t const* header, uint64_t nonce, unsigned count);
void search(uint8_t const* header, uint64_t target, search_hook& hook);
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt
index 38fc821c0..c92240086 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt
@@ -12,6 +12,7 @@ endif()
set(FILES util.c
util.h
+ io.c
internal.c
ethash.h
endian.h
@@ -19,6 +20,12 @@ set(FILES util.c
fnv.h
data_sizes.h)
+if (MSVC)
+ list(APPEND FILES io_win32.c)
+else()
+ list(APPEND FILES io_posix.c)
+endif()
+
if (NOT CRYPTOPP_FOUND)
find_package(CryptoPP 5.6.2)
endif()
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
index 3b747b3ea..cf52ae4f8 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h
@@ -48,7 +48,7 @@ extern "C" {
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
-static const size_t dag_sizes[2048] = {
+static const uint64_t dag_sizes[2048] = {
1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
@@ -477,7 +477,7 @@ static const size_t dag_sizes[2048] = {
// While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
-const size_t cache_sizes[2048] = {
+const uint64_t cache_sizes[2048] = {
16776896U, 16907456U, 17039296U, 17170112U, 17301056U, 17432512U, 17563072U,
17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U,
18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U,
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
index a7159de65..eb3097307 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h
@@ -43,26 +43,26 @@ extern "C" {
#endif
typedef struct ethash_params {
- size_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
- size_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
+ uint64_t full_size; // Size of full data set (in bytes, multiple of mix size (128)).
+ uint64_t cache_size; // Size of compute cache (in bytes, multiple of node size (64)).
} ethash_params;
typedef struct ethash_return_value {
- uint8_t result[32];
- uint8_t mix_hash[32];
+ uint8_t result[32];
+ uint8_t mix_hash[32];
} ethash_return_value;
-size_t ethash_get_datasize(const uint32_t block_number);
-size_t ethash_get_cachesize(const uint32_t block_number);
+uint64_t ethash_get_datasize(const uint32_t block_number);
+uint64_t ethash_get_cachesize(const uint32_t block_number);
// initialize the parameters
static inline void ethash_params_init(ethash_params *params, const uint32_t block_number) {
- params->full_size = ethash_get_datasize(block_number);
- params->cache_size = ethash_get_cachesize(block_number);
+ params->full_size = ethash_get_datasize(block_number);
+ params->cache_size = ethash_get_cachesize(block_number);
}
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]);
@@ -72,44 +72,51 @@ void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_pa
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);
+ 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);
+ 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);
+ 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);
+ 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 1;
+/// @brief Compare two s256-bit big-endian values.
+/// @returns 1 if @a a is less than or equal to @a b, 0 otherwise.
+/// Both parameters are 256-bit big-endian values.
+static inline int ethash_leq_be256(const uint8_t a[32], const uint8_t b[32]) {
+ // Boundary is big endian
+ for (int i = 0; i < 32; i++) {
+ if (a[i] == b[i])
+ continue;
+ return a[i] < b[i];
+ }
+ return 1;
}
-int ethash_quick_check_difficulty(
- const uint8_t header_hash[32],
- const uint64_t nonce,
- const uint8_t mix_hash[32],
- const uint8_t difficulty[32]);
+/// Perofrms a cursory check on the validity of the nonce.
+/// @returns 1 if the nonce may possibly be valid for the given header_hash & boundary.
+/// @p boundary equivalent to 2 ^ 256 / block_difficulty, represented as a 256-bit big-endian.
+int ethash_preliminary_check_boundary(
+ const uint8_t header_hash[32],
+ const uint64_t nonce,
+ const uint8_t mix_hash[32],
+ const uint8_t boundary[32]);
+
+#define ethash_quick_check_difficulty ethash_preliminary_check_boundary
+#define ethash_check_difficulty ethash_leq_be256
#ifdef __cplusplus
}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
index 0a7e767e7..ae9b95065 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c
@@ -37,12 +37,12 @@
#include "sha3.h"
#endif // WITH_CRYPTOPP
-size_t ethash_get_datasize(const uint32_t block_number) {
+uint64_t ethash_get_datasize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 2048);
return dag_sizes[block_number / EPOCH_LENGTH];
}
-size_t ethash_get_cachesize(const uint32_t block_number) {
+uint64_t ethash_get_cachesize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 2048);
return cache_sizes[block_number / EPOCH_LENGTH];
}
@@ -280,15 +280,15 @@ void ethash_get_seedhash(uint8_t seedhash[32], const uint32_t block_number) {
SHA3_256(seedhash, seedhash, 32);
}
-int ethash_quick_check_difficulty(
+int ethash_preliminary_check_boundary(
const uint8_t header_hash[32],
const uint64_t nonce,
const uint8_t mix_hash[32],
- const uint8_t difficulty[32]) {
+ const uint8_t difficulty[32]) {
- uint8_t return_hash[32];
+ uint8_t return_hash[32];
ethash_quick_hash(return_hash, header_hash, nonce, mix_hash);
- return ethash_check_difficulty(return_hash, difficulty);
+ return ethash_leq_be256(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) {
@@ -297,4 +297,4 @@ void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params c
void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t previous_hash[32], const uint64_t nonce) {
ethash_hash(ret, NULL, cache, params, previous_hash, nonce);
-} \ No newline at end of file
+}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.c
new file mode 100644
index 000000000..5a8eebae5
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.c
@@ -0,0 +1,89 @@
+/*
+ This file is part of ethash.
+
+ 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.
+
+ 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 ethash. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file io.c
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2015
+ */
+#include "io.h"
+#include <string.h>
+#include <stdio.h>
+
+// silly macro to save some typing
+#define PASS_ARR(c_) (c_), sizeof(c_)
+
+static bool ethash_io_write_file(char const *dirname,
+ char const* filename,
+ size_t filename_length,
+ void const* data,
+ size_t data_size)
+{
+ bool ret = false;
+ char *fullname = ethash_io_create_filename(dirname, filename, filename_length);
+ if (!fullname) {
+ return false;
+ }
+ FILE *f = fopen(fullname, "wb");
+ if (!f) {
+ goto free_name;
+ }
+ if (data_size != fwrite(data, 1, data_size, f)) {
+ goto close;
+ }
+
+ ret = true;
+close:
+ fclose(f);
+free_name:
+ free(fullname);
+ return ret;
+}
+
+bool ethash_io_write(char const *dirname,
+ ethash_params const* params,
+ ethash_blockhash_t seedhash,
+ void const* cache,
+ uint8_t **data,
+ uint64_t *data_size)
+{
+ char info_buffer[DAG_MEMO_BYTESIZE];
+ // allocate the bytes
+ uint8_t *temp_data_ptr = malloc((size_t)params->full_size);
+ if (!temp_data_ptr) {
+ goto end;
+ }
+ ethash_compute_full_data(temp_data_ptr, params, cache);
+
+ if (!ethash_io_write_file(dirname, PASS_ARR(DAG_FILE_NAME), temp_data_ptr, (size_t)params->full_size)) {
+ goto fail_free;
+ }
+
+ ethash_io_serialize_info(REVISION, seedhash, info_buffer);
+ if (!ethash_io_write_file(dirname, PASS_ARR(DAG_MEMO_NAME), info_buffer, DAG_MEMO_BYTESIZE)) {
+ goto fail_free;
+ }
+
+ *data = temp_data_ptr;
+ *data_size = params->full_size;
+ return true;
+
+fail_free:
+ free(temp_data_ptr);
+end:
+ return false;
+}
+
+#undef PASS_ARR
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.h b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.h
new file mode 100644
index 000000000..dd611754d
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io.h
@@ -0,0 +1,116 @@
+/*
+ This file is part of ethash.
+
+ 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.
+
+ 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 ethash. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file io.h
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2015
+ */
+#pragma once
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "ethash.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ethash_blockhash { uint8_t b[32]; } ethash_blockhash_t;
+
+static const char DAG_FILE_NAME[] = "full";
+static const char DAG_MEMO_NAME[] = "full.info";
+// MSVC thinks that "static const unsigned int" is not a compile time variable. Sorry for the #define :(
+#define DAG_MEMO_BYTESIZE 36
+
+/// Possible return values of @see ethash_io_prepare
+enum ethash_io_rc {
+ ETHASH_IO_FAIL = 0, ///< There has been an IO failure
+ ETHASH_IO_MEMO_MISMATCH, ///< Memo file either did not exist or there was content mismatch
+ ETHASH_IO_MEMO_MATCH, ///< Memo file existed and contents matched. No need to do anything
+};
+
+/**
+ * Prepares io for ethash
+ *
+ * Create the DAG directory if it does not exist, and check if the memo file matches.
+ * If it does not match then it's deleted to pave the way for @ref ethash_io_write()
+ *
+ * @param dirname A null terminated c-string of the path of the ethash
+ * data directory. If it does not exist it's created.
+ * @param seedhash The seedhash of the current block number
+ * @return For possible return values @see enum ethash_io_rc
+ */
+enum ethash_io_rc ethash_io_prepare(char const *dirname, ethash_blockhash_t seedhash);
+/**
+ * Fully computes data and writes it to the file on disk.
+ *
+ * This function should be called after @see ethash_io_prepare() and only if
+ * its return value is @c ETHASH_IO_MEMO_MISMATCH. Will write both the full data
+ * and the memo file.
+ *
+ * @param[in] dirname A null terminated c-string of the path of the ethash
+ * data directory. Has to exist.
+ * @param[in] params An ethash_params object containing the full size
+ * and the cache size
+ * @param[in] seedhash The seedhash of the current block number
+ * @param[in] cache The cache data. Would have usually been calulated by
+ * @see ethash_prep_light().
+ * @param[out] data Pass a pointer to uint8_t by reference here. If the
+ * function is succesfull then this point to the allocated
+ * data calculated by @see ethash_prep_full(). Memory
+ * ownership is transfered to the callee. Remember that
+ * you eventually need to free this with a call to free().
+ * @param[out] data_size Pass a uint64_t by value. If the function is succesfull
+ * then this will contain the number of bytes allocated
+ * for @a data.
+ * @return True for success and false in case of failure.
+ */
+bool ethash_io_write(char const *dirname,
+ ethash_params const* params,
+ ethash_blockhash_t seedhash,
+ void const* cache,
+ uint8_t **data,
+ uint64_t *data_size);
+
+static inline void ethash_io_serialize_info(uint32_t revision,
+ ethash_blockhash_t seed_hash,
+ char *output)
+{
+ // if .info is only consumed locally we don't really care about endianess
+ memcpy(output, &revision, 4);
+ memcpy(output + 4, &seed_hash, 32);
+}
+
+static inline char *ethash_io_create_filename(char const *dirname,
+ char const* filename,
+ size_t filename_length)
+{
+ // in C the cast is not needed, but a C++ compiler will complain for invalid conversion
+ char *name = (char*)malloc(strlen(dirname) + filename_length);
+ if (!name) {
+ return NULL;
+ }
+
+ name[0] = '\0';
+ strcat(name, dirname);
+ strcat(name, filename);
+ return name;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_posix.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_posix.c
new file mode 100644
index 000000000..693bdf750
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_posix.c
@@ -0,0 +1,76 @@
+/*
+ This file is part of ethash.
+
+ 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.
+
+ 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 ethash. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file io_posix.c
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2015
+ */
+
+#include "io.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <unistd.h>
+
+enum ethash_io_rc ethash_io_prepare(char const *dirname, ethash_blockhash_t seedhash)
+{
+ char read_buffer[DAG_MEMO_BYTESIZE];
+ char expect_buffer[DAG_MEMO_BYTESIZE];
+ enum ethash_io_rc ret = ETHASH_IO_FAIL;
+
+ // assert directory exists, full owner permissions and read/search for others
+ int rc = mkdir(dirname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+ if (rc == -1 && errno != EEXIST) {
+ goto end;
+ }
+
+ char *memofile = ethash_io_create_filename(dirname, DAG_MEMO_NAME, sizeof(DAG_MEMO_NAME));
+ if (!memofile) {
+ goto end;
+ }
+
+ // try to open memo file
+ FILE *f = fopen(memofile, "rb");
+ if (!f) {
+ // file does not exist, so no checking happens. All is fine.
+ ret = ETHASH_IO_MEMO_MISMATCH;
+ goto free_memo;
+ }
+
+ if (fread(read_buffer, 1, DAG_MEMO_BYTESIZE, f) != DAG_MEMO_BYTESIZE) {
+ goto close;
+ }
+
+ ethash_io_serialize_info(REVISION, seedhash, expect_buffer);
+ if (memcmp(read_buffer, expect_buffer, DAG_MEMO_BYTESIZE) != 0) {
+ // we have different memo contents so delete the memo file
+ if (unlink(memofile) != 0) {
+ goto close;
+ }
+ ret = ETHASH_IO_MEMO_MISMATCH;
+ }
+
+ ret = ETHASH_IO_MEMO_MATCH;
+
+close:
+ fclose(f);
+free_memo:
+ free(memofile);
+end:
+ return ret;
+}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_win32.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_win32.c
new file mode 100644
index 000000000..2cabc939a
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/io_win32.c
@@ -0,0 +1,73 @@
+/*
+ This file is part of ethash.
+
+ 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.
+
+ 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 ethash. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file io_win32.c
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2015
+ */
+
+#include "io.h"
+#include <direct.h>
+#include <errno.h>
+#include <stdio.h>
+
+enum ethash_io_rc ethash_io_prepare(char const *dirname, ethash_blockhash_t seedhash)
+{
+ char read_buffer[DAG_MEMO_BYTESIZE];
+ char expect_buffer[DAG_MEMO_BYTESIZE];
+ enum ethash_io_rc ret = ETHASH_IO_FAIL;
+
+ // assert directory exists
+ int rc = _mkdir(dirname);
+ if (rc == -1 && errno != EEXIST) {
+ goto end;
+ }
+
+ char *memofile = ethash_io_create_filename(dirname, DAG_MEMO_NAME, sizeof(DAG_MEMO_NAME));
+ if (!memofile) {
+ goto end;
+ }
+
+ // try to open memo file
+ FILE *f = fopen(memofile, "rb");
+ if (!f) {
+ // file does not exist, so no checking happens. All is fine.
+ ret = ETHASH_IO_MEMO_MISMATCH;
+ goto free_memo;
+ }
+
+ if (fread(read_buffer, 1, DAG_MEMO_BYTESIZE, f) != DAG_MEMO_BYTESIZE) {
+ goto close;
+ }
+
+ ethash_io_serialize_info(REVISION, seedhash, expect_buffer);
+ if (memcmp(read_buffer, expect_buffer, DAG_MEMO_BYTESIZE) != 0) {
+ // we have different memo contents so delete the memo file
+ if (_unlink(memofile) != 0) {
+ goto close;
+ }
+ ret = ETHASH_IO_MEMO_MISMATCH;
+ }
+
+ ret = ETHASH_IO_MEMO_MATCH;
+
+close:
+ fclose(f);
+free_memo:
+ free(memofile);
+end:
+ return ret;
+}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c b/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
index 359735998..1ad973a87 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c
@@ -5,6 +5,14 @@
#include <time.h>
#include "../libethash/ethash.h"
+#if PY_MAJOR_VERSION >= 3
+#define PY_STRING_FORMAT "y#"
+#define PY_CONST_STRING_FORMAT "y"
+#else
+#define PY_STRING_FORMAT "s#"
+#define PY_CONST_STRING_FORMAT "s"
+#endif
+
#define MIX_WORDS (MIX_BYTES/4)
static PyObject *
@@ -46,7 +54,7 @@ mkcache_bytes(PyObject *self, PyObject *args) {
unsigned long cache_size;
int seed_len;
- if (!PyArg_ParseTuple(args, "ks#", &cache_size, &seed, &seed_len))
+ if (!PyArg_ParseTuple(args, "k" PY_STRING_FORMAT, &cache_size, &seed, &seed_len))
return 0;
if (seed_len != 32) {
@@ -62,7 +70,7 @@ mkcache_bytes(PyObject *self, PyObject *args) {
ethash_cache cache;
cache.mem = malloc(cache_size);
ethash_mkcache(&cache, &params, (uint8_t *) seed);
- PyObject * val = Py_BuildValue("s#", cache.mem, cache_size);
+ PyObject * val = Py_BuildValue(PY_STRING_FORMAT, cache.mem, cache_size);
free(cache.mem);
return val;
}
@@ -74,7 +82,7 @@ calc_dataset_bytes(PyObject *self, PyObject *args) {
unsigned long full_size;
int cache_size;
- if (!PyArg_ParseTuple(args, "ks#", &full_size, &cache_bytes, &cache_size))
+ if (!PyArg_ParseTuple(args, "k" PY_STRING_FORMAT, &full_size, &cache_bytes, &cache_size))
return 0;
if (full_size % MIX_WORDS != 0) {
@@ -98,7 +106,7 @@ calc_dataset_bytes(PyObject *self, PyObject *args) {
cache.mem = (void *) cache_bytes;
void *mem = malloc(params.full_size);
ethash_compute_full_data(mem, &params, &cache);
- PyObject * val = Py_BuildValue("s#", (char *) mem, full_size);
+ PyObject * val = Py_BuildValue(PY_STRING_FORMAT, (char *) mem, full_size);
free(mem);
return val;
}
@@ -111,7 +119,7 @@ hashimoto_light(PyObject *self, PyObject *args) {
unsigned long long nonce;
int cache_size, header_size;
- if (!PyArg_ParseTuple(args, "ks#s#K", &full_size, &cache_bytes, &cache_size, &header, &header_size, &nonce))
+ if (!PyArg_ParseTuple(args, "k" PY_STRING_FORMAT PY_STRING_FORMAT "K", &full_size, &cache_bytes, &cache_size, &header, &header_size, &nonce))
return 0;
if (full_size % MIX_WORDS != 0) {
@@ -143,7 +151,7 @@ hashimoto_light(PyObject *self, PyObject *args) {
ethash_cache cache;
cache.mem = (void *) cache_bytes;
ethash_light(&out, &cache, &params, (uint8_t *) header, nonce);
- return Py_BuildValue("{s:s#,s:s#}",
+ return Py_BuildValue("{" PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT "," PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT "}",
"mix digest", out.mix_hash, 32,
"result", out.result, 32);
}
@@ -155,7 +163,7 @@ hashimoto_full(PyObject *self, PyObject *args) {
unsigned long long nonce;
int full_size, header_size;
- if (!PyArg_ParseTuple(args, "s#s#K", &full_bytes, &full_size, &header, &header_size, &nonce))
+ if (!PyArg_ParseTuple(args, PY_STRING_FORMAT PY_STRING_FORMAT "K", &full_bytes, &full_size, &header, &header_size, &nonce))
return 0;
if (full_size % MIX_WORDS != 0) {
@@ -177,7 +185,7 @@ hashimoto_full(PyObject *self, PyObject *args) {
ethash_params params;
params.full_size = (size_t) full_size;
ethash_full(&out, (void *) full_bytes, &params, (uint8_t *) header, nonce);
- return Py_BuildValue("{s:s#, s:s#}",
+ return Py_BuildValue("{" PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT ", " PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT "}",
"mix digest", out.mix_hash, 32,
"result", out.result, 32);
}
@@ -190,7 +198,7 @@ mine(PyObject *self, PyObject *args) {
uint64_t nonce = ((uint64_t) rand()) << 32 | rand();
int full_size, header_size, difficulty_size;
- if (!PyArg_ParseTuple(args, "s#s#s#", &full_bytes, &full_size, &header, &header_size, &difficulty, &difficulty_size))
+ if (!PyArg_ParseTuple(args, PY_STRING_FORMAT PY_STRING_FORMAT PY_STRING_FORMAT, &full_bytes, &full_size, &header, &header_size, &difficulty, &difficulty_size))
return 0;
if (full_size % MIX_WORDS != 0) {
@@ -224,7 +232,7 @@ mine(PyObject *self, PyObject *args) {
// TODO: disagrees with the spec https://github.com/ethereum/wiki/wiki/Ethash#mining
} while (!ethash_check_difficulty(out.result, (const uint8_t *) difficulty));
- return Py_BuildValue("{s:s#, s:s#, s:K}",
+ return Py_BuildValue("{" PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT ", " PY_CONST_STRING_FORMAT ":" PY_STRING_FORMAT ", " PY_CONST_STRING_FORMAT ":K}",
"mix digest", out.mix_hash, 32,
"result", out.result, 32,
"nonce", nonce);
@@ -245,7 +253,7 @@ get_seedhash(PyObject *self, PyObject *args) {
}
uint8_t seedhash[32];
ethash_get_seedhash(seedhash, block_number);
- return Py_BuildValue("s#", (char *) seedhash, 32);
+ return Py_BuildValue(PY_STRING_FORMAT, (char *) seedhash, 32);
}
static PyMethodDef PyethashMethods[] =
@@ -287,6 +295,32 @@ static PyMethodDef PyethashMethods[] =
{NULL, NULL, 0, NULL}
};
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef PyethashModule = {
+ PyModuleDef_HEAD_INIT,
+ "pyethash",
+ "...",
+ -1,
+ PyethashMethods
+};
+
+PyMODINIT_FUNC PyInit_pyethash(void) {
+ PyObject *module = PyModule_Create(&PyethashModule);
+ // Following Spec: https://github.com/ethereum/wiki/wiki/Ethash#definitions
+ PyModule_AddIntConstant(module, "REVISION", (long) REVISION);
+ PyModule_AddIntConstant(module, "DATASET_BYTES_INIT", (long) DATASET_BYTES_INIT);
+ PyModule_AddIntConstant(module, "DATASET_BYTES_GROWTH", (long) DATASET_BYTES_GROWTH);
+ PyModule_AddIntConstant(module, "CACHE_BYTES_INIT", (long) CACHE_BYTES_INIT);
+ PyModule_AddIntConstant(module, "CACHE_BYTES_GROWTH", (long) CACHE_BYTES_GROWTH);
+ PyModule_AddIntConstant(module, "EPOCH_LENGTH", (long) EPOCH_LENGTH);
+ PyModule_AddIntConstant(module, "MIX_BYTES", (long) MIX_BYTES);
+ PyModule_AddIntConstant(module, "HASH_BYTES", (long) HASH_BYTES);
+ PyModule_AddIntConstant(module, "DATASET_PARENTS", (long) DATASET_PARENTS);
+ PyModule_AddIntConstant(module, "CACHE_ROUNDS", (long) CACHE_ROUNDS);
+ PyModule_AddIntConstant(module, "ACCESSES", (long) ACCESSES);
+ return module;
+}
+#else
PyMODINIT_FUNC
initpyethash(void) {
PyObject *module = Py_InitModule("pyethash", PyethashMethods);
@@ -303,3 +337,4 @@ initpyethash(void) {
PyModule_AddIntConstant(module, "CACHE_ROUNDS", (long) CACHE_ROUNDS);
PyModule_AddIntConstant(module, "ACCESSES", (long) ACCESSES);
}
+#endif
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt
index 02e2aab91..dd91d8a92 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt
@@ -1,5 +1,30 @@
+if (MSVC)
+ if (NOT BOOST_ROOT)
+ set (BOOST_ROOT "$ENV{BOOST_ROOT}")
+ endif()
+ set (CMAKE_PREFIX_PATH BOOST_ROOT)
+endif()
+
IF( NOT Boost_FOUND )
- find_package(Boost COMPONENTS unit_test_framework)
+ # use multithreaded boost libraries, with -mt suffix
+ set(Boost_USE_MULTITHREADED ON)
+
+ if (MSVC)
+ # TODO handle other msvc versions or it will fail find them
+ set(Boost_COMPILER -vc120)
+ # use static boost libraries *.lib
+ set(Boost_USE_STATIC_LIBS ON)
+ elseif (APPLE)
+
+ # use static boost libraries *.a
+ set(Boost_USE_STATIC_LIBS ON)
+
+ elseif (UNIX)
+ # use dynamic boost libraries .dll
+ set(Boost_USE_STATIC_LIBS OFF)
+
+ endif()
+ find_package(Boost 1.48.0 COMPONENTS unit_test_framework system filesystem)
ENDIF()
IF( Boost_FOUND )
@@ -8,21 +33,29 @@ IF( Boost_FOUND )
link_directories ( ${Boost_LIBRARY_DIRS} )
file(GLOB HEADERS "*.h")
- ADD_DEFINITIONS(-DBOOST_TEST_DYN_LINK)
-
+ if (NOT MSVC)
+ ADD_DEFINITIONS(-DBOOST_TEST_DYN_LINK)
+ endif()
if (NOT CRYPTOPP_FOUND)
- find_package (CryptoPP)
+ find_package (CryptoPP)
endif()
if (CRYPTOPP_FOUND)
- add_definitions(-DWITH_CRYPTOPP)
+ add_definitions(-DWITH_CRYPTOPP)
endif()
+ if (NOT MSVC)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 ")
+ endif()
+
add_executable (Test test.cpp ${HEADERS})
- target_link_libraries (Test ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY} ${ETHHASH_LIBS})
+ target_link_libraries(Test ${ETHHASH_LIBS})
+ target_link_libraries(Test ${Boost_FILESYSTEM_LIBRARIES})
+ target_link_libraries(Test ${Boost_SYSTEM_LIBRARIES})
+ target_link_libraries (Test ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
if (CRYPTOPP_FOUND)
- TARGET_LINK_LIBRARIES(Test ${CRYPTOPP_LIBRARIES})
+ TARGET_LINK_LIBRARIES(Test ${CRYPTOPP_LIBRARIES})
endif()
enable_testing ()
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
index 21cb251fc..904f4f74c 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp
@@ -2,6 +2,7 @@
#include <libethash/fnv.h>
#include <libethash/ethash.h>
#include <libethash/internal.h>
+#include <libethash/io.h>
#ifdef WITH_CRYPTOPP
@@ -14,13 +15,23 @@
#define BOOST_TEST_MODULE Daggerhashimoto
#define BOOST_TEST_MAIN
-#include <boost/test/unit_test.hpp>
#include <iostream>
+#include <fstream>
+#include <vector>
+#include <boost/filesystem.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace std;
+namespace fs = boost::filesystem;
+
+// Just an alloca "wrapper" to silence uint64_t to size_t conversion warnings in windows
+// consider replacing alloca calls with something better though!
+#define our_alloca(param__) alloca((size_t)(param__))
-std::string bytesToHexString(const uint8_t *str, const size_t s) {
+std::string bytesToHexString(const uint8_t *str, const uint64_t s) {
std::ostringstream ret;
- for (int i = 0; i < s; ++i)
+ for (size_t i = 0; i < s; ++i)
ret << std::hex << std::setfill('0') << std::setw(2) << std::nouppercase << (int) str[i];
return ret.str();
@@ -108,9 +119,9 @@ BOOST_AUTO_TEST_CASE(light_and_full_client_checks) {
params.cache_size = 1024;
params.full_size = 1024 * 32;
ethash_cache cache;
- cache.mem = alloca(params.cache_size);
+ cache.mem = our_alloca(params.cache_size);
ethash_mkcache(&cache, &params, seed);
- node *full_mem = (node *) alloca(params.full_size);
+ node *full_mem = (node *) our_alloca(params.full_size);
ethash_compute_full_data(full_mem, &params, &cache);
{
@@ -225,4 +236,147 @@ BOOST_AUTO_TEST_CASE(ethash_check_difficulty_check) {
BOOST_REQUIRE_MESSAGE(
!ethash_check_difficulty(hash, target),
"\nexpected \"" << hash << "\" to have more difficulty than \"" << target << "\"\n");
-} \ No newline at end of file
+}
+
+BOOST_AUTO_TEST_CASE(test_ethash_dir_creation) {
+ ethash_blockhash_t seedhash;
+ memset(&seedhash, 0, 32);
+ BOOST_REQUIRE_EQUAL(
+ ETHASH_IO_MEMO_MISMATCH,
+ ethash_io_prepare("./test_ethash_directory/", seedhash)
+ );
+
+ // let's make sure that the directory was created
+ BOOST_REQUIRE(fs::is_directory(fs::path("./test_ethash_directory/")));
+
+ // cleanup
+ fs::remove_all("./test_ethash_directory/");
+}
+
+BOOST_AUTO_TEST_CASE(test_ethash_io_write_files_are_created) {
+ ethash_blockhash_t seedhash;
+ static const int blockn = 0;
+ ethash_get_seedhash((uint8_t*)&seedhash, blockn);
+ BOOST_REQUIRE_EQUAL(
+ ETHASH_IO_MEMO_MISMATCH,
+ ethash_io_prepare("./test_ethash_directory/", seedhash)
+ );
+
+ // let's make sure that the directory was created
+ BOOST_REQUIRE(fs::is_directory(fs::path("./test_ethash_directory/")));
+
+ ethash_cache cache;
+ ethash_params params;
+ uint8_t *data;
+ uint64_t size;
+ ethash_params_init(&params, blockn);
+ params.cache_size = 1024;
+ params.full_size = 1024 * 32;
+ cache.mem = our_alloca(params.cache_size);
+ ethash_mkcache(&cache, &params, (uint8_t*)&seedhash);
+
+ BOOST_REQUIRE(
+ ethash_io_write("./test_ethash_directory/", &params, seedhash, &cache, &data, &size)
+ );
+
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full")));
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full.info")));
+
+ // cleanup
+ fs::remove_all("./test_ethash_directory/");
+ free(data);
+}
+
+BOOST_AUTO_TEST_CASE(test_ethash_io_memo_file_match) {
+ ethash_blockhash_t seedhash;
+ static const int blockn = 0;
+ ethash_get_seedhash((uint8_t*)&seedhash, blockn);
+ BOOST_REQUIRE_EQUAL(
+ ETHASH_IO_MEMO_MISMATCH,
+ ethash_io_prepare("./test_ethash_directory/", seedhash)
+ );
+
+ // let's make sure that the directory was created
+ BOOST_REQUIRE(fs::is_directory(fs::path("./test_ethash_directory/")));
+
+ ethash_cache cache;
+ ethash_params params;
+ uint8_t *data;
+ uint64_t size;
+ ethash_params_init(&params, blockn);
+ params.cache_size = 1024;
+ params.full_size = 1024 * 32;
+ cache.mem = our_alloca(params.cache_size);
+ ethash_mkcache(&cache, &params, (uint8_t*)&seedhash);
+
+ BOOST_REQUIRE(
+ ethash_io_write("./test_ethash_directory/", &params, seedhash, &cache, &data, &size)
+ );
+
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full")));
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full.info")));
+
+ BOOST_REQUIRE_EQUAL(
+ ETHASH_IO_MEMO_MATCH,
+ ethash_io_prepare("./test_ethash_directory/", seedhash)
+ );
+
+ // cleanup
+ fs::remove_all("./test_ethash_directory/");
+ free(data);
+}
+
+// could have used dev::contentsNew but don't wanna try to import
+// libdevcore just for one function
+static std::vector<char> readFileIntoVector(char const* filename)
+{
+ ifstream ifs(filename, ios::binary|ios::ate);
+ ifstream::pos_type pos = ifs.tellg();
+
+ std::vector<char> result((unsigned int)pos);
+
+ ifs.seekg(0, ios::beg);
+ ifs.read(&result[0], pos);
+
+ return result;
+}
+
+BOOST_AUTO_TEST_CASE(test_ethash_io_memo_file_contents) {
+ ethash_blockhash_t seedhash;
+ static const int blockn = 0;
+ ethash_get_seedhash((uint8_t*)&seedhash, blockn);
+ BOOST_REQUIRE_EQUAL(
+ ETHASH_IO_MEMO_MISMATCH,
+ ethash_io_prepare("./test_ethash_directory/", seedhash)
+ );
+
+ // let's make sure that the directory was created
+ BOOST_REQUIRE(fs::is_directory(fs::path("./test_ethash_directory/")));
+
+ ethash_cache cache;
+ ethash_params params;
+ uint8_t *data;
+ uint64_t size;
+ ethash_params_init(&params, blockn);
+ params.cache_size = 1024;
+ params.full_size = 1024 * 32;
+ cache.mem = our_alloca(params.cache_size);
+ ethash_mkcache(&cache, &params, (uint8_t*)&seedhash);
+
+ BOOST_REQUIRE(
+ ethash_io_write("./test_ethash_directory/", &params, seedhash, &cache, &data, &size)
+ );
+
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full")));
+ BOOST_REQUIRE(fs::exists(fs::path("./test_ethash_directory/full.info")));
+
+ char expect_buffer[DAG_MEMO_BYTESIZE];
+ ethash_io_serialize_info(REVISION, seedhash, expect_buffer);
+ auto vec = readFileIntoVector("./test_ethash_directory/full.info");
+ BOOST_REQUIRE_EQUAL(vec.size(), DAG_MEMO_BYTESIZE);
+ BOOST_REQUIRE(memcmp(expect_buffer, &vec[0], DAG_MEMO_BYTESIZE) == 0);
+
+ // cleanup
+ fs::remove_all("./test_ethash_directory/");
+ free(data);
+}
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/test/go/test.sh b/Godeps/_workspace/src/github.com/ethereum/ethash/test/go/test.sh
deleted file mode 100644
index c6224858e..000000000
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/test/go/test.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-
-# Strict mode
-set -e
-
-SOURCE="${BASH_SOURCE[0]}"
-while [ -h "$SOURCE" ]; do
- DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
- SOURCE="$(readlink "$SOURCE")"
- [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
-done
-TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
-
-export GOPATH=${HOME}/.go
-export PATH=$PATH:$GOPATH/bin
-echo "# getting go dependencies (can take some time)..."
-cd ${TEST_DIR}/../.. && go get
-cd ${GOPATH}/src/github.com/ethereum/go-ethereum
-git checkout poc-9
-cd ${TEST_DIR} && go test
diff --git a/eth/backend.go b/eth/backend.go
index cc4f807bf..ffc970212 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -296,7 +296,7 @@ func (s *Ethereum) PeersInfo() (peersinfo []*PeerInfo) {
func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
s.chainManager.ResetWithGenesisBlock(gb)
- s.pow.UpdateCache(true)
+ s.pow.UpdateCache(0, true)
}
func (s *Ethereum) StartMining() error {