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RandomX integration

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Support RandomX PoW algorithm
This commit is contained in:
Howard Chu 2019-04-23 20:32:27 +01:00
parent cb6f96b9d1
commit 81c2ad6d5b
No known key found for this signature in database
GPG Key ID: FD2A70B44AB11BA7
24 changed files with 610 additions and 49 deletions
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3
.gitmodules vendored
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@ -12,3 +12,6 @@
[submodule "external/trezor-common"]
path = external/trezor-common
url = https://github.com/trezor/trezor-common.git
[submodule "external/randomx"]
path = external/randomx
url = https://github.com/tevador/RandomX

1
CMakeLists.txt
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@ -200,6 +200,7 @@ if(NOT MANUAL_SUBMODULES)
check_submodule(external/unbound)
check_submodule(external/rapidjson)
check_submodule(external/trezor-common)
check_submodule(external/randomx)
endif()
endif()

1
external/CMakeLists.txt vendored
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@ -80,3 +80,4 @@ endif()
add_subdirectory(db_drivers)
add_subdirectory(easylogging++)
add_subdirectory(randomx EXCLUDE_FROM_ALL)

1
external/randomx vendored Submodule

@ -0,0 +1 @@
Subproject commit 519b9cf70540bdd996e806251cde335c8eef8aca

4
src/crypto/CMakeLists.txt
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@ -46,6 +46,7 @@ set(crypto_sources
random.c
skein.c
slow-hash.c
rx-slow-hash.c
CryptonightR_JIT.c
tree-hash.c)
@ -53,6 +54,8 @@ if(ARCH_ID STREQUAL "i386" OR ARCH_ID STREQUAL "x86_64" OR ARCH_ID STREQUAL "x86
list(APPEND crypto_sources CryptonightR_template.S)
endif()
include_directories(${RANDOMX_INCLUDE})
set(crypto_headers)
set(crypto_private_headers
@ -86,6 +89,7 @@ monero_add_library(cncrypto
target_link_libraries(cncrypto
PUBLIC
epee
randomx
${Boost_SYSTEM_LIBRARY}
${SODIUM_LIBRARY}
PRIVATE

58
src/crypto/c_threads.h Normal file
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@ -0,0 +1,58 @@
// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/* Brain-dead simple portability wrapper over thread APIs for C */
#pragma once
#ifdef _WIN32
#include <windows.h>
#define CTHR_MUTEX_TYPE HANDLE
#define CTHR_MUTEX_INIT NULL
#define CTHR_MUTEX_LOCK(x) do { if (x == NULL) { \
HANDLE p = CreateMutex(NULL, FALSE, NULL); \
if (InterlockedCompareExchangePointer((PVOID*)&x, (PVOID)p, NULL) != NULL) \
CloseHandle(p); \
} WaitForSingleObject(x, INFINITE); } while(0)
#define CTHR_MUTEX_UNLOCK(x) ReleaseMutex(x)
#define CTHR_THREAD_TYPE HANDLE
#define CTHR_THREAD_RTYPE void
#define CTHR_THREAD_RETURN return
#define CTHR_THREAD_CREATE(thr, func, arg) thr = (HANDLE)_beginthread(func, 0, arg)
#define CTHR_THREAD_JOIN(thr) WaitForSingleObject(thr, INFINITE)
#else
#include <pthread.h>
#define CTHR_MUTEX_TYPE pthread_mutex_t
#define CTHR_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#define CTHR_MUTEX_LOCK(x) pthread_mutex_lock(&x)
#define CTHR_MUTEX_UNLOCK(x) pthread_mutex_unlock(&x)
#define CTHR_THREAD_TYPE pthread_t
#define CTHR_THREAD_RTYPE void *
#define CTHR_THREAD_RETURN return NULL
#define CTHR_THREAD_CREATE(thr, func, arg) pthread_create(&thr, NULL, func, arg)
#define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL)
#endif

8
src/crypto/hash-ops.h
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@ -87,3 +87,11 @@ void hash_extra_jh(const void *data, size_t length, char *hash);
void hash_extra_skein(const void *data, size_t length, char *hash);
void tree_hash(const char (*hashes)[HASH_SIZE], size_t count, char *root_hash);
#define RX_BLOCK_VERSION 12
void rx_slow_hash_allocate_state(void);
void rx_slow_hash_free_state(void);
uint64_t rx_seedheight(const uint64_t height);
void rx_seedheights(const uint64_t height, uint64_t *seed_height, uint64_t *next_height);
void rx_slow_hash(const uint64_t mainheight, const uint64_t seedheight, const char *seedhash, const void *data, size_t length, char *hash, int miners, int is_alt);
void rx_reorg(const uint64_t split_height);

357
src/crypto/rx-slow-hash.c Normal file
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@ -0,0 +1,357 @@
// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "randomx.h"
#include "c_threads.h"
#include "hash-ops.h"
#include "misc_log_ex.h"
#define RX_LOGCAT "randomx"
#if defined(_MSC_VER)
#define THREADV __declspec(thread)
#else
#define THREADV __thread
#endif
typedef struct rx_state {
CTHR_MUTEX_TYPE rs_mutex;
char rs_hash[32];
uint64_t rs_height;
randomx_cache *rs_cache;
} rx_state;
static CTHR_MUTEX_TYPE rx_mutex = CTHR_MUTEX_INIT;
static CTHR_MUTEX_TYPE rx_dataset_mutex = CTHR_MUTEX_INIT;
static rx_state rx_s[2] = {{CTHR_MUTEX_INIT,{0},0,0},{CTHR_MUTEX_INIT,{0},0,0}};
static randomx_dataset *rx_dataset;
static uint64_t rx_dataset_height;
static THREADV randomx_vm *rx_vm = NULL;
static THREADV int rx_toggle;
static void local_abort(const char *msg)
{
fprintf(stderr, "%s\n", msg);
#ifdef NDEBUG
_exit(1);
#else
abort();
#endif
}
/**
* @brief uses cpuid to determine if the CPU supports the AES instructions
* @return true if the CPU supports AES, false otherwise
*/
static inline int force_software_aes(void)
{
static int use = -1;
if (use != -1)
return use;
const char *env = getenv("MONERO_USE_SOFTWARE_AES");
if (!env) {
use = 0;
}
else if (!strcmp(env, "0") || !strcmp(env, "no")) {
use = 0;
}
else {
use = 1;
}
return use;
}
static void cpuid(int CPUInfo[4], int InfoType)
{
#if defined(__x86_64__)
__asm __volatile__
(
"cpuid":
"=a" (CPUInfo[0]),
"=b" (CPUInfo[1]),
"=c" (CPUInfo[2]),
"=d" (CPUInfo[3]) :
"a" (InfoType), "c" (0)
);
#endif
}
static inline int check_aes_hw(void)
{
#if defined(__x86_64__)
int cpuid_results[4];
static int supported = -1;
if(supported >= 0)
return supported;
cpuid(cpuid_results,1);
return supported = cpuid_results[2] & (1 << 25);
#else
return 0;
#endif
}
static volatile int use_rx_jit_flag = -1;
static inline int use_rx_jit(void)
{
#if defined(__x86_64__)
if (use_rx_jit_flag != -1)
return use_rx_jit_flag;
const char *env = getenv("MONERO_USE_RX_JIT");
if (!env) {
use_rx_jit_flag = 1;
}
else if (!strcmp(env, "0") || !strcmp(env, "no")) {
use_rx_jit_flag = 0;
}
else {
use_rx_jit_flag = 1;
}
return use_rx_jit_flag;
#else
return 0;
#endif
}
#define SEEDHASH_EPOCH_BLOCKS 2048 /* Must be same as BLOCKS_SYNCHRONIZING_MAX_COUNT in cryptonote_config.h */
#define SEEDHASH_EPOCH_LAG 64
void rx_reorg(const uint64_t split_height) {
int i;
CTHR_MUTEX_LOCK(rx_mutex);
for (i=0; i<2; i++) {
if (split_height < rx_s[i].rs_height)
rx_s[i].rs_height = 1; /* set to an invalid seed height */
}
CTHR_MUTEX_UNLOCK(rx_mutex);
}
uint64_t rx_seedheight(const uint64_t height) {
uint64_t s_height = (height <= SEEDHASH_EPOCH_BLOCKS+SEEDHASH_EPOCH_LAG) ? 0 :
(height - SEEDHASH_EPOCH_LAG - 1) & ~(SEEDHASH_EPOCH_BLOCKS-1);
return s_height;
}
void rx_seedheights(const uint64_t height, uint64_t *seedheight, uint64_t *nextheight) {
*seedheight = rx_seedheight(height);
*nextheight = rx_seedheight(height + SEEDHASH_EPOCH_LAG);
}
typedef struct seedinfo {
randomx_cache *si_cache;
unsigned long si_start;
unsigned long si_count;
} seedinfo;
static CTHR_THREAD_RTYPE rx_seedthread(void *arg) {
seedinfo *si = arg;
randomx_init_dataset(rx_dataset, si->si_cache, si->si_start, si->si_count);
CTHR_THREAD_RETURN;
}
static void rx_initdata(randomx_cache *rs_cache, const int miners, const uint64_t seedheight) {
if (miners > 1) {
unsigned long delta = randomx_dataset_item_count() / miners;
unsigned long start = 0;
int i;
seedinfo *si;
CTHR_THREAD_TYPE *st;
si = malloc(miners * sizeof(seedinfo));
if (si == NULL)
local_abort("Couldn't allocate RandomX mining threadinfo");
st = malloc(miners * sizeof(CTHR_THREAD_TYPE));
if (st == NULL) {
free(si);
local_abort("Couldn't allocate RandomX mining threadlist");
}
for (i=0; i<miners-1; i++) {
si[i].si_cache = rs_cache;
si[i].si_start = start;
si[i].si_count = delta;
start += delta;
}
si[i].si_cache = rs_cache;
si[i].si_start = start;
si[i].si_count = randomx_dataset_item_count() - start;
for (i=1; i<miners; i++) {
CTHR_THREAD_CREATE(st[i], rx_seedthread, &si[i]);
}
randomx_init_dataset(rx_dataset, rs_cache, 0, si[0].si_count);
for (i=1; i<miners; i++) {
CTHR_THREAD_JOIN(st[i]);
}
free(st);
free(si);
} else {
randomx_init_dataset(rx_dataset, rs_cache, 0, randomx_dataset_item_count());
}
rx_dataset_height = seedheight;
}
void rx_slow_hash(const uint64_t mainheight, const uint64_t seedheight, const char *seedhash, const void *data, size_t length,
char *hash, int miners, int is_alt) {
uint64_t s_height = rx_seedheight(mainheight);
int changed = 0;
int toggle = is_alt ? s_height : seedheight;
randomx_flags flags = RANDOMX_FLAG_DEFAULT;
rx_state *rx_sp;
randomx_cache *cache;
toggle = (toggle & SEEDHASH_EPOCH_BLOCKS) != 0;
CTHR_MUTEX_LOCK(rx_mutex);
/* if alt block but with same seed as mainchain, no need for alt cache */
if (is_alt && s_height == seedheight && !memcmp(rx_s[toggle].rs_hash, seedhash, sizeof(rx_s[toggle].rs_hash)))
is_alt = 0;
/* RPC could request an earlier block on mainchain */
if (!is_alt && s_height > seedheight)
is_alt = 1;
toggle ^= (is_alt != 0);
if (toggle != rx_toggle)
changed = 1;
rx_toggle = toggle;
rx_sp = &rx_s[toggle];
CTHR_MUTEX_LOCK(rx_sp->rs_mutex);
CTHR_MUTEX_UNLOCK(rx_mutex);
cache = rx_sp->rs_cache;
if (cache == NULL) {
if (use_rx_jit())
flags |= RANDOMX_FLAG_JIT;
if (cache == NULL) {
cache = randomx_alloc_cache(flags | RANDOMX_FLAG_LARGE_PAGES);
if (cache == NULL) {
mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX cache");
cache = randomx_alloc_cache(flags);
}
if (cache == NULL)
local_abort("Couldn't allocate RandomX cache");
}
}
if (rx_sp->rs_height != seedheight || rx_sp->rs_cache == NULL || memcmp(seedhash, rx_sp->rs_hash, sizeof(rx_sp->rs_hash))) {
randomx_init_cache(cache, seedhash, 32);
rx_sp->rs_cache = cache;
rx_sp->rs_height = seedheight;
memcpy(rx_sp->rs_hash, seedhash, sizeof(rx_sp->rs_hash));
changed = 1;
}
if (rx_vm == NULL) {
randomx_flags flags = RANDOMX_FLAG_DEFAULT;
if (use_rx_jit()) {
flags |= RANDOMX_FLAG_JIT;
if (!miners)
flags |= RANDOMX_FLAG_SECURE;
}
if(!force_software_aes() && check_aes_hw())
flags |= RANDOMX_FLAG_HARD_AES;
if (miners) {
CTHR_MUTEX_LOCK(rx_dataset_mutex);
if (rx_dataset == NULL) {
rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_LARGE_PAGES);
if (rx_dataset == NULL) {
mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX dataset");
rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_DEFAULT);
}
if (rx_dataset != NULL)
rx_initdata(rx_sp->rs_cache, miners, seedheight);
}
if (rx_dataset != NULL)
flags |= RANDOMX_FLAG_FULL_MEM;
else {
miners = 0;
mwarning(RX_LOGCAT, "Couldn't allocate RandomX dataset for miner");
}
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
}
rx_vm = randomx_create_vm(flags | RANDOMX_FLAG_LARGE_PAGES, rx_sp->rs_cache, rx_dataset);
if(rx_vm == NULL) { //large pages failed
mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX VM");
rx_vm = randomx_create_vm(flags, rx_sp->rs_cache, rx_dataset);
}
if(rx_vm == NULL) {//fallback if everything fails
flags = RANDOMX_FLAG_DEFAULT | (miners ? RANDOMX_FLAG_FULL_MEM : 0);
rx_vm = randomx_create_vm(flags, rx_sp->rs_cache, rx_dataset);
}
if (rx_vm == NULL)
local_abort("Couldn't allocate RandomX VM");
} else if (miners) {
CTHR_MUTEX_LOCK(rx_dataset_mutex);
if (rx_dataset != NULL && rx_dataset_height != seedheight)
rx_initdata(cache, miners, seedheight);
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
} else if (changed) {
randomx_vm_set_cache(rx_vm, rx_sp->rs_cache);
}
/* mainchain users can run in parallel */
if (!is_alt)
CTHR_MUTEX_UNLOCK(rx_sp->rs_mutex);
randomx_calculate_hash(rx_vm, data, length, hash);
/* altchain slot users always get fully serialized */
if (is_alt)
CTHR_MUTEX_UNLOCK(rx_sp->rs_mutex);
}
void rx_slow_hash_allocate_state(void) {
}
void rx_slow_hash_free_state(void) {
if (rx_vm != NULL) {
randomx_destroy_vm(rx_vm);
rx_vm = NULL;
}
}
void rx_stop_mining(void) {
CTHR_MUTEX_LOCK(rx_dataset_mutex);
if (rx_dataset != NULL) {
randomx_dataset *rd = rx_dataset;
rx_dataset = NULL;
randomx_release_dataset(rd);
}
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
}

26
src/crypto/slow-hash.c
View File

@ -742,7 +742,7 @@ BOOL SetLockPagesPrivilege(HANDLE hProcess, BOOL bEnable)
* the allocated buffer.
*/
void slow_hash_allocate_state(void)
void cn_slow_hash_allocate_state(void)
{
if(hp_state != NULL)
return;
@ -804,7 +804,7 @@ void slow_hash_allocate_state(void)
*@brief frees the state allocated by slow_hash_allocate_state
*/
void slow_hash_free_state(void)
void cn_slow_hash_free_state(void)
{
if(hp_state == NULL)
return;
@ -892,7 +892,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
// this isn't supposed to happen, but guard against it for now.
if(hp_state == NULL)
slow_hash_allocate_state();
cn_slow_hash_allocate_state();
// locals to avoid constant TLS dereferencing
uint8_t *local_hp_state = hp_state;
@ -1009,13 +1009,13 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
}
#elif !defined NO_AES && (defined(__arm__) || defined(__aarch64__))
void slow_hash_allocate_state(void)
void cn_slow_hash_allocate_state(void)
{
// Do nothing, this is just to maintain compatibility with the upgraded slow-hash.c
return;
}
void slow_hash_free_state(void)
void cn_slow_hash_free_state(void)
{
// As above
return;
@ -1582,13 +1582,13 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
#define hp_jitfunc ((v4_random_math_JIT_func)NULL)
void slow_hash_allocate_state(void)
void cn_slow_hash_allocate_state(void)
{
// Do nothing, this is just to maintain compatibility with the upgraded slow-hash.c
return;
}
void slow_hash_free_state(void)
void cn_slow_hash_free_state(void)
{
// As above
return;
@ -1765,3 +1765,15 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
}
#endif
void slow_hash_allocate_state(void)
{
cn_slow_hash_allocate_state();
rx_slow_hash_allocate_state();
}
void slow_hash_free_state(void)
{
cn_slow_hash_free_state();
rx_slow_hash_free_state();
}

22
src/cryptonote_basic/cryptonote_format_utils.cpp
View File

@ -1218,21 +1218,6 @@ namespace cryptonote
return p;
}
//---------------------------------------------------------------
bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height)
{
// block 202612 bug workaround
if (height == 202612)
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
string_tools::hex_to_pod(longhash_202612, res);
return true;
}
blobdata bd = get_block_hashing_blob(b);
const int cn_variant = b.major_version >= 7 ? b.major_version - 6 : 0;
crypto::cn_slow_hash(bd.data(), bd.size(), res, cn_variant, height);
return true;
}
//---------------------------------------------------------------
std::vector<uint64_t> relative_output_offsets_to_absolute(const std::vector<uint64_t>& off)
{
std::vector<uint64_t> res = off;
@ -1253,13 +1238,6 @@ namespace cryptonote
return res;
}
//---------------------------------------------------------------
crypto::hash get_block_longhash(const block& b, uint64_t height)
{
crypto::hash p = null_hash;
get_block_longhash(b, p, height);
return p;
}
//---------------------------------------------------------------
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash *block_hash)
{
std::stringstream ss;

2
src/cryptonote_basic/cryptonote_format_utils.h
View File

@ -117,8 +117,6 @@ namespace cryptonote
bool calculate_block_hash(const block& b, crypto::hash& res, const blobdata *blob = NULL);
bool get_block_hash(const block& b, crypto::hash& res);
crypto::hash get_block_hash(const block& b);
bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height);
crypto::hash get_block_longhash(const block& b, uint64_t height);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash *block_hash);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash &block_hash);

13
src/cryptonote_basic/miner.cpp
View File

@ -36,8 +36,10 @@
#include "syncobj.h"
#include "cryptonote_basic_impl.h"
#include "cryptonote_format_utils.h"
#include "cryptonote_core/cryptonote_tx_utils.h"
#include "file_io_utils.h"
#include "common/command_line.h"
#include "common/util.h"
#include "string_coding.h"
#include "string_tools.h"
#include "storages/portable_storage_template_helper.h"
@ -98,12 +100,13 @@ namespace cryptonote
}
miner::miner(i_miner_handler* phandler):m_stop(1),
miner::miner(i_miner_handler* phandler, Blockchain* pbc):m_stop(1),
m_template{},
m_template_no(0),
m_diffic(0),
m_thread_index(0),
m_phandler(phandler),
m_pbc(pbc),
m_height(0),
m_threads_active(0),
m_pausers_count(0),
@ -429,6 +432,7 @@ namespace cryptonote
{
boost::interprocess::ipcdetail::atomic_write32(&m_stop, 1);
}
extern "C" void rx_stop_mining(void);
//-----------------------------------------------------------------------------------------------------
bool miner::stop()
{
@ -461,15 +465,16 @@ namespace cryptonote
MINFO("Mining has been stopped, " << m_threads.size() << " finished" );
m_threads.clear();
m_threads_autodetect.clear();
rx_stop_mining();
return true;
}
//-----------------------------------------------------------------------------------------------------
bool miner::find_nonce_for_given_block(block& bl, const difficulty_type& diffic, uint64_t height)
bool miner::find_nonce_for_given_block(const Blockchain *pbc, block& bl, const difficulty_type& diffic, uint64_t height)
{
for(; bl.nonce != std::numeric_limits<uint32_t>::max(); bl.nonce++)
{
crypto::hash h;
get_block_longhash(bl, h, height);
get_block_longhash(pbc, bl, h, height, tools::get_max_concurrency());
if(check_hash(h, diffic))
{
@ -565,7 +570,7 @@ namespace cryptonote
b.nonce = nonce;
crypto::hash h;
get_block_longhash(b, h, height);
get_block_longhash(m_pbc, b, h, height, tools::get_max_concurrency());
if(check_hash(h, local_diff))
{

7
src/cryptonote_basic/miner.h
View File

@ -52,13 +52,15 @@ namespace cryptonote
~i_miner_handler(){};
};
class Blockchain;
/************************************************************************/
/* */
/************************************************************************/
class miner
{
public:
miner(i_miner_handler* phandler);
miner(i_miner_handler* phandler, Blockchain* pbc);
~miner();
bool init(const boost::program_options::variables_map& vm, network_type nettype);
static void init_options(boost::program_options::options_description& desc);
@ -74,7 +76,7 @@ namespace cryptonote
bool on_idle();
void on_synchronized();
//synchronous analog (for fast calls)
static bool find_nonce_for_given_block(block& bl, const difficulty_type& diffic, uint64_t height);
static bool find_nonce_for_given_block(const Blockchain *pbc, block& bl, const difficulty_type& diffic, uint64_t height);
void pause();
void resume();
void do_print_hashrate(bool do_hr);
@ -133,6 +135,7 @@ namespace cryptonote
std::list<boost::thread> m_threads;
epee::critical_section m_threads_lock;
i_miner_handler* m_phandler;
Blockchain* m_pbc;
account_public_address m_mine_address;
epee::math_helper::once_a_time_seconds<5> m_update_block_template_interval;
epee::math_helper::once_a_time_seconds<2> m_update_merge_hr_interval;

1
src/cryptonote_config.h
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@ -96,6 +96,7 @@
#define BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT 10000 //by default, blocks ids count in synchronizing
#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4 100 //by default, blocks count in blocks downloading
#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT 20 //by default, blocks count in blocks downloading
#define BLOCKS_SYNCHRONIZING_MAX_COUNT 2048 //must be a power of 2, greater than 128, equal to SEEDHASH_EPOCH_BLOCKS
#define CRYPTONOTE_MEMPOOL_TX_LIVETIME (86400*3) //seconds, three days
#define CRYPTONOTE_MEMPOOL_TX_FROM_ALT_BLOCK_LIVETIME 604800 //seconds, one week

44
src/cryptonote_core/blockchain.cpp
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@ -95,7 +95,8 @@ Blockchain::Blockchain(tx_memory_pool& tx_pool) :
m_difficulty_for_next_block_top_hash(crypto::null_hash),
m_difficulty_for_next_block(1),
m_btc_valid(false),
m_batch_success(true)
m_batch_success(true),
m_prepare_height(0)
{
LOG_PRINT_L3("Blockchain::" << __func__);
}
@ -754,6 +755,13 @@ crypto::hash Blockchain::get_block_id_by_height(uint64_t height) const
return null_hash;
}
//------------------------------------------------------------------
crypto::hash Blockchain::get_pending_block_id_by_height(uint64_t height) const
{
if (m_prepare_height && height >= m_prepare_height && height - m_prepare_height < m_prepare_nblocks)
return (*m_prepare_blocks)[height - m_prepare_height].hash;
return get_block_id_by_height(height);
}
//------------------------------------------------------------------
bool Blockchain::get_block_by_hash(const crypto::hash &h, block &blk, bool *orphan) const
{
LOG_PRINT_L3("Blockchain::" << __func__);
@ -1029,6 +1037,7 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<block_extended_info>
}
m_hardfork->reorganize_from_chain_height(split_height);
get_block_longhash_reorg(split_height);
std::shared_ptr<tools::Notify> reorg_notify = m_reorg_notify;
if (reorg_notify)
@ -1684,7 +1693,30 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
difficulty_type current_diff = get_next_difficulty_for_alternative_chain(alt_chain, bei);
CHECK_AND_ASSERT_MES(current_diff, false, "!!!!!!! DIFFICULTY OVERHEAD !!!!!!!");
crypto::hash proof_of_work = null_hash;
get_block_longhash(bei.bl, proof_of_work, bei.height);
if (b.major_version >= RX_BLOCK_VERSION)
{
crypto::hash seedhash = null_hash;
uint64_t seedheight = rx_seedheight(bei.height);
// seedblock is on the alt chain somewhere
if (alt_chain.size() && alt_chain.front().height <= seedheight)
{
for (auto it=alt_chain.begin(); it != alt_chain.end(); it++)
{
if (it->height == seedheight+1)
{
seedhash = it->bl.prev_id;
break;
}
}
} else
{
seedhash = get_block_id_by_height(seedheight);
}
get_altblock_longhash(bei.bl, proof_of_work, get_current_blockchain_height(), bei.height, seedheight, seedhash);
} else
{
get_block_longhash(this, bei.bl, proof_of_work, bei.height, 0);
}
if(!check_hash(proof_of_work, current_diff))
{
MERROR_VER("Block with id: " << id << std::endl << " for alternative chain, does not have enough proof of work: " << proof_of_work << std::endl << " expected difficulty: " << current_diff);
@ -3613,7 +3645,7 @@ leave:
proof_of_work = it->second;
}
else
proof_of_work = get_block_longhash(bl, blockchain_height);
proof_of_work = get_block_longhash(this, bl, blockchain_height, 0);
// validate proof_of_work versus difficulty target
if(!check_hash(proof_of_work, current_diffic))
@ -4114,7 +4146,7 @@ void Blockchain::block_longhash_worker(uint64_t height, const epee::span<const b
if (m_cancel)
break;
crypto::hash id = get_block_hash(block);
crypto::hash pow = get_block_longhash(block, height++);
crypto::hash pow = get_block_longhash(this, block, height++, 0);
map.emplace(id, pow);
}
@ -4430,6 +4462,9 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::vector<block_complete
m_blocks_longhash_table.clear();
uint64_t thread_height = height;
tools::threadpool::waiter waiter;
m_prepare_height = height;
m_prepare_nblocks = blocks_entry.size();
m_prepare_blocks = &blocks;
for (unsigned int i = 0; i < threads; i++)
{
unsigned nblocks = batches;
@ -4440,6 +4475,7 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::vector<block_complete
}
waiter.wait(&tpool);
m_prepare_height = 0;
if (m_cancel)
return false;

17
src/cryptonote_core/blockchain.h
View File

@ -205,6 +205,18 @@ namespace cryptonote
*/
crypto::hash get_block_id_by_height(uint64_t height) const;
/**
* @brief gets a block's hash given a height
*
* Used only by prepare_handle_incoming_blocks. Will look in the list of incoming blocks
* if the height is contained there.
*
* @param height the height of the block
*
* @return the hash of the block at the requested height, or a zeroed hash if there is no such block
*/
crypto::hash get_pending_block_id_by_height(uint64_t height) const;
/**
* @brief gets the block with a given hash
*
@ -1077,6 +1089,11 @@ namespace cryptonote
std::shared_ptr<tools::Notify> m_block_notify;
std::shared_ptr<tools::Notify> m_reorg_notify;
// for prepare_handle_incoming_blocks
uint64_t m_prepare_height;
uint64_t m_prepare_nblocks;
std::vector<block> *m_prepare_blocks;
/**
* @brief collects the keys for all outputs being "spent" as an input
*

4
src/cryptonote_core/cryptonote_core.cpp
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@ -219,7 +219,7 @@ namespace cryptonote
core::core(i_cryptonote_protocol* pprotocol):
m_mempool(m_blockchain_storage),
m_blockchain_storage(m_mempool),
m_miner(this),
m_miner(this, &m_blockchain_storage),
m_starter_message_showed(false),
m_target_blockchain_height(0),
m_checkpoints_path(""),
@ -655,6 +655,8 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize blockchain storage");
block_sync_size = command_line::get_arg(vm, arg_block_sync_size);
if (block_sync_size > BLOCKS_SYNCHRONIZING_MAX_COUNT)
MERROR("Error --block-sync-size cannot be greater than " << BLOCKS_SYNCHRONIZING_MAX_COUNT);
MGINFO("Loading checkpoints");

53
src/cryptonote_core/cryptonote_tx_utils.cpp
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@ -37,6 +37,7 @@ using namespace epee;
#include "common/apply_permutation.h"
#include "cryptonote_tx_utils.h"
#include "cryptonote_config.h"
#include "blockchain.h"
#include "cryptonote_basic/miner.h"
#include "cryptonote_basic/tx_extra.h"
#include "crypto/crypto.h"
@ -658,9 +659,59 @@ namespace cryptonote
bl.minor_version = CURRENT_BLOCK_MINOR_VERSION;
bl.timestamp = 0;
bl.nonce = nonce;
miner::find_nonce_for_given_block(bl, 1, 0);
miner::find_nonce_for_given_block(NULL, bl, 1, 0);
bl.invalidate_hashes();
return true;
}
//---------------------------------------------------------------
void get_altblock_longhash(const block& b, crypto::hash& res, const uint64_t main_height, const uint64_t height, const uint64_t seed_height, const crypto::hash& seed_hash)
{
blobdata bd = get_block_hashing_blob(b);
rx_slow_hash(main_height, seed_height, seed_hash.data, bd.data(), bd.size(), res.data, 0, 1);
}
bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const int miners)
{
// block 202612 bug workaround
if (height == 202612)
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
epee::string_tools::hex_to_pod(longhash_202612, res);
return true;
}
blobdata bd = get_block_hashing_blob(b);
if (b.major_version >= RX_BLOCK_VERSION)
{
uint64_t seed_height, main_height;
crypto::hash hash;
if (pbc != NULL)
{
seed_height = rx_seedheight(height);
hash = pbc->get_pending_block_id_by_height(seed_height);
main_height = pbc->get_current_blockchain_height();
} else
{
memset(&hash, 0, sizeof(hash)); // only happens when generating genesis block
seed_height = 0;
main_height = 0;
}
rx_slow_hash(main_height, seed_height, hash.data, bd.data(), bd.size(), res.data, miners, 0);
} else {
const int pow_variant = b.major_version >= 7 ? b.major_version - 6 : 0;
crypto::cn_slow_hash(bd.data(), bd.size(), res, pow_variant, height);
}
return true;
}
crypto::hash get_block_longhash(const Blockchain *pbc, const block& b, const uint64_t height, const int miners)
{
crypto::hash p = crypto::null_hash;
get_block_longhash(pbc, b, p, height, miners);
return p;
}
void get_block_longhash_reorg(const uint64_t split_height)
{
rx_reorg(split_height);
}
}

7
src/cryptonote_core/cryptonote_tx_utils.h
View File

@ -132,6 +132,13 @@ namespace cryptonote
, uint32_t nonce
);
class Blockchain;
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const int miners);
void get_altblock_longhash(const block& b, crypto::hash& res, const uint64_t main_height, const uint64_t height,
const uint64_t seed_height, const crypto::hash& seed_hash);
crypto::hash get_block_longhash(const Blockchain *pb, const block& b, const uint64_t height, const int miners);
void get_block_longhash_reorg(const uint64_t split_height);
}
BOOST_CLASS_VERSION(cryptonote::tx_source_entry, 1)

1
src/hardforks/hardforks.cpp
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@ -86,6 +86,7 @@ const hardfork_t testnet_hard_forks[] = {
{ 9, 1057778, 0, 1533297600 },
{ 10, 1154318, 0, 1550153694 },
{ 11, 1155038, 0, 1550225678 },
{ 12, 1308737, 0, 1569582000 },
};
const size_t num_testnet_hard_forks = sizeof(testnet_hard_forks) / sizeof(testnet_hard_forks[0]);
const uint64_t testnet_hard_fork_version_1_till = 624633;

17
src/rpc/core_rpc_server.cpp
View File

@ -1060,6 +1060,7 @@ namespace cryptonote
case 1: res.pow_algorithm = "CNv1 (Cryptonight variant 1)"; break;
case 2: case 3: res.pow_algorithm = "CNv2 (Cryptonight variant 2)"; break;
case 4: case 5: res.pow_algorithm = "CNv4 (Cryptonight variant 4)"; break;
case 6: res.pow_algorithm = "RandomX"; break;
default: res.pow_algorithm = "I'm not sure actually"; break;
}
if (res.is_background_mining_enabled)
@ -1440,6 +1441,18 @@ namespace cryptonote
LOG_ERROR("Failed to create block template");
return false;
}
if (b.major_version >= RX_BLOCK_VERSION)
{
uint64_t seed_height, next_height;
crypto::hash seed_hash;
crypto::rx_seedheights(res.height, &seed_height, &next_height);
seed_hash = m_core.get_block_id_by_height(seed_height);
res.seed_hash = string_tools::pod_to_hex(seed_hash);
if (next_height != seed_height) {
seed_hash = m_core.get_block_id_by_height(next_height);
res.next_seed_hash = string_tools::pod_to_hex(seed_hash);
}
}
store_difficulty(wdiff, res.difficulty, res.wide_difficulty, res.difficulty_top64);
blobdata block_blob = t_serializable_object_to_blob(b);
crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(b.miner_tx);
@ -1582,7 +1595,7 @@ namespace cryptonote
return false;
}
b.nonce = req.starting_nonce;
miner::find_nonce_for_given_block(b, template_res.difficulty, template_res.height);
miner::find_nonce_for_given_block(&(m_core.get_blockchain_storage()), b, template_res.difficulty, template_res.height);
submit_req.front() = string_tools::buff_to_hex_nodelimer(block_to_blob(b));
r = on_submitblock(submit_req, submit_res, error_resp, ctx);
@ -1627,7 +1640,7 @@ namespace cryptonote
response.reward = get_block_reward(blk);
response.block_size = response.block_weight = m_core.get_blockchain_storage().get_db().get_block_weight(height);
response.num_txes = blk.tx_hashes.size();
response.pow_hash = fill_pow_hash ? string_tools::pod_to_hex(get_block_longhash(blk, height)) : "";
response.pow_hash = fill_pow_hash ? string_tools::pod_to_hex(get_block_longhash(&(m_core.get_blockchain_storage()), blk, height, 0)) : "";
response.long_term_weight = m_core.get_blockchain_storage().get_db().get_block_long_term_weight(height);
response.miner_tx_hash = string_tools::pod_to_hex(cryptonote::get_transaction_hash(blk.miner_tx));
return true;

4
src/rpc/core_rpc_server_commands_defs.h
View File

@ -894,6 +894,8 @@ namespace cryptonote
uint64_t reserved_offset;
uint64_t expected_reward;
std::string prev_hash;
std::string seed_hash;
std::string next_seed_hash;
blobdata blocktemplate_blob;
blobdata blockhashing_blob;
std::string status;
@ -911,6 +913,8 @@ namespace cryptonote
KV_SERIALIZE(blockhashing_blob)
KV_SERIALIZE(status)
KV_SERIALIZE(untrusted)
KV_SERIALIZE(seed_hash)
KV_SERIALIZE(next_seed_hash)
END_KV_SERIALIZE_MAP()
};
typedef epee::misc_utils::struct_init<response_t> response;

4
tests/core_proxy/core_proxy.cpp
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@ -209,7 +209,7 @@ bool tests::proxy_core::handle_incoming_block(const cryptonote::blobdata& block_
crypto::hash lh;
cout << "BLOCK" << endl << endl;
cout << (h = get_block_hash(b)) << endl;
cout << (lh = get_block_longhash(b, 0)) << endl;
cout << (lh = get_block_longhash(NULL, b, 0, 0)) << endl;
cout << get_transaction_hash(b.miner_tx) << endl;
cout << ::get_object_blobsize(b.miner_tx) << endl;
//cout << string_tools::buff_to_hex_nodelimer(block_blob) << endl;
@ -236,7 +236,7 @@ void tests::proxy_core::get_blockchain_top(uint64_t& height, crypto::hash& top_i
bool tests::proxy_core::init(const boost::program_options::variables_map& /*vm*/) {
generate_genesis_block(m_genesis, config::GENESIS_TX, config::GENESIS_NONCE);
crypto::hash h = get_block_hash(m_genesis);
add_block(h, get_block_longhash(m_genesis, 0), m_genesis, block_to_blob(m_genesis));
add_block(h, get_block_longhash(NULL, m_genesis, 0, 0), m_genesis, block_to_blob(m_genesis));
return true;
}

4
tests/core_tests/chaingen.cpp
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@ -186,7 +186,7 @@ bool test_generator::construct_block(cryptonote::block& blk, uint64_t height, co
// Nonce search...
blk.nonce = 0;
while (!miner::find_nonce_for_given_block(blk, get_test_difficulty(hf_ver), height))
while (!miner::find_nonce_for_given_block(NULL, blk, get_test_difficulty(hf_ver), height))
blk.timestamp++;
add_block(blk, txs_weight, block_weights, already_generated_coins, hf_ver ? hf_ver.get() : 1);
@ -797,7 +797,7 @@ void fill_tx_sources_and_destinations(const std::vector<test_event_entry>& event
void fill_nonce(cryptonote::block& blk, const difficulty_type& diffic, uint64_t height)
{
blk.nonce = 0;
while (!miner::find_nonce_for_given_block(blk, diffic, height))
while (!miner::find_nonce_for_given_block(NULL, blk, diffic, height))
blk.timestamp++;
}