mirror of
https://github.com/monero-project/monero.git
synced 2024-12-28 19:16:11 -05:00
Refactored rx-slow-hash.c
- Straight-forward call interface: `void rx_slow_hash(const char *seedhash, const void *data, size_t length, char *result_hash)` - Consensus chain seed hash is now updated by calling `rx_set_main_seedhash` whenever a block is added/removed or a reorg happens - `rx_slow_hash` will compute correct hash no matter if `rx_set_main_seedhash` was called or not (the only difference is performance) - New environment variable `MONERO_RANDOMX_FULL_MEM` to force use the full dataset for PoW verification (faster block verification) - When dataset is used for PoW verification, dataset updates don't stall other threads (verification is done in light mode then) - When mining is running, PoW checks now also use dataset for faster verification
This commit is contained in:
SChernykh
parent
9367b432f6
commit
dab7d01dc0
@ -30,29 +30,39 @@
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#pragma once
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#ifdef _WIN32
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#include <windows.h>
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#define CTHR_MUTEX_TYPE HANDLE
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#define CTHR_MUTEX_INIT NULL
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#define CTHR_MUTEX_LOCK(x) do { if (x == NULL) { \
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HANDLE p = CreateMutex(NULL, FALSE, NULL); \
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if (InterlockedCompareExchangePointer((PVOID*)&x, (PVOID)p, NULL) != NULL) \
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CloseHandle(p); \
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} WaitForSingleObject(x, INFINITE); } while(0)
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#define CTHR_MUTEX_UNLOCK(x) ReleaseMutex(x)
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#define CTHR_RWLOCK_TYPE SRWLOCK
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#define CTHR_RWLOCK_INIT SRWLOCK_INIT
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#define CTHR_RWLOCK_LOCK_WRITE(x) AcquireSRWLockExclusive(&x)
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#define CTHR_RWLOCK_UNLOCK_WRITE(x) ReleaseSRWLockExclusive(&x)
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#define CTHR_RWLOCK_LOCK_READ(x) AcquireSRWLockShared(&x)
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#define CTHR_RWLOCK_UNLOCK_READ(x) ReleaseSRWLockShared(&x)
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#define CTHR_RWLOCK_TRYLOCK_READ(x) TryAcquireSRWLockShared(&x)
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#define CTHR_THREAD_TYPE HANDLE
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#define CTHR_THREAD_RTYPE void
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#define CTHR_THREAD_RETURN return
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#define CTHR_THREAD_CREATE(thr, func, arg) thr = (HANDLE)_beginthread(func, 0, arg)
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#define CTHR_THREAD_JOIN(thr) WaitForSingleObject(thr, INFINITE)
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#define CTHR_THREAD_CREATE(thr, func, arg) ((thr = (HANDLE)_beginthread(func, 0, arg)) != -1L)
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#define CTHR_THREAD_JOIN(thr) WaitForSingleObject((HANDLE)thr, INFINITE)
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#else
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#include <pthread.h>
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#define CTHR_MUTEX_TYPE pthread_mutex_t
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#define CTHR_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
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#define CTHR_MUTEX_LOCK(x) pthread_mutex_lock(&x)
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#define CTHR_MUTEX_UNLOCK(x) pthread_mutex_unlock(&x)
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#define CTHR_RWLOCK_TYPE pthread_rwlock_t
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#define CTHR_RWLOCK_INIT PTHREAD_RWLOCK_INITIALIZER
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#define CTHR_RWLOCK_LOCK_WRITE(x) pthread_rwlock_wrlock(&x)
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#define CTHR_RWLOCK_UNLOCK_WRITE(x) pthread_rwlock_unlock(&x)
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#define CTHR_RWLOCK_LOCK_READ(x) pthread_rwlock_rdlock(&x)
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#define CTHR_RWLOCK_UNLOCK_READ(x) pthread_rwlock_unlock(&x)
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#define CTHR_RWLOCK_TRYLOCK_READ(x) (pthread_rwlock_tryrdlock(&x) == 0)
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#define CTHR_THREAD_TYPE pthread_t
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#define CTHR_THREAD_RTYPE void *
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#define CTHR_THREAD_RETURN return NULL
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#define CTHR_THREAD_CREATE(thr, func, arg) pthread_create(&thr, NULL, func, arg)
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#define CTHR_THREAD_CREATE(thr, func, arg) (pthread_create(&thr, NULL, func, arg) == 0)
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#define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL)
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#endif
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@ -97,5 +97,9 @@ void rx_slow_hash_allocate_state(void);
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void rx_slow_hash_free_state(void);
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uint64_t rx_seedheight(const uint64_t height);
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void rx_seedheights(const uint64_t height, uint64_t *seed_height, uint64_t *next_height);
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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);
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void rx_reorg(const uint64_t split_height);
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void rx_set_main_seedhash(const char *seedhash, size_t max_dataset_init_threads);
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void rx_slow_hash(const char *seedhash, const void *data, size_t length, char *result_hash);
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void rx_set_miner_thread(uint32_t value, size_t max_dataset_init_threads);
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uint32_t rx_get_miner_thread(void);
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@ -43,32 +43,38 @@
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#define RX_LOGCAT "randomx"
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static CTHR_RWLOCK_TYPE main_dataset_lock = CTHR_RWLOCK_INIT;
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static CTHR_RWLOCK_TYPE main_cache_lock = CTHR_RWLOCK_INIT;
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static randomx_dataset *main_dataset = NULL;
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static randomx_cache *main_cache = NULL;
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static char main_seedhash[HASH_SIZE];
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static int main_seedhash_set = 0;
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static CTHR_RWLOCK_TYPE secondary_cache_lock = CTHR_RWLOCK_INIT;
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static randomx_cache *secondary_cache = NULL;
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static char secondary_seedhash[HASH_SIZE];
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static int secondary_seedhash_set = 0;
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#if defined(_MSC_VER)
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#define THREADV __declspec(thread)
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#else
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#define THREADV __thread
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#endif
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typedef struct rx_state {
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CTHR_MUTEX_TYPE rs_mutex;
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char rs_hash[HASH_SIZE];
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uint64_t rs_height;
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randomx_cache *rs_cache;
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} rx_state;
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static THREADV randomx_vm *main_vm_full = NULL;
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static THREADV randomx_vm *main_vm_light = NULL;
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static THREADV randomx_vm *secondary_vm_light = NULL;
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static CTHR_MUTEX_TYPE rx_mutex = CTHR_MUTEX_INIT;
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static CTHR_MUTEX_TYPE rx_dataset_mutex = CTHR_MUTEX_INIT;
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static THREADV uint32_t miner_thread = 0;
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static rx_state rx_s[2] = {{CTHR_MUTEX_INIT,{0},0,0},{CTHR_MUTEX_INIT,{0},0,0}};
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static randomx_dataset *rx_dataset;
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static int rx_dataset_nomem;
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static int rx_dataset_nolp;
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static uint64_t rx_dataset_height;
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static THREADV randomx_vm *rx_vm = NULL;
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static bool is_main(const char* seedhash) { return main_seedhash_set && (memcmp(seedhash, main_seedhash, HASH_SIZE) == 0); }
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static bool is_secondary(const char* seedhash) { return secondary_seedhash_set && (memcmp(seedhash, secondary_seedhash, HASH_SIZE) == 0); }
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static void local_abort(const char *msg)
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{
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merror(RX_LOGCAT, "%s", msg);
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fprintf(stderr, "%s\n", msg);
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#ifdef NDEBUG
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_exit(1);
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@ -77,6 +83,16 @@ static void local_abort(const char *msg)
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#endif
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}
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static void hash2hex(const char* hash, char* hex) {
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const char* d = "0123456789abcdef";
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for (int i = 0; i < HASH_SIZE; ++i) {
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const uint8_t b = hash[i];
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hex[i * 2 + 0] = d[b >> 4];
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hex[i * 2 + 1] = d[b & 15];
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}
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hex[HASH_SIZE * 2] = '\0';
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}
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static inline int disabled_flags(void) {
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static int flags = -1;
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@ -157,19 +173,6 @@ static unsigned int get_seedhash_epoch_blocks(void)
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return blocks;
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}
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void rx_reorg(const uint64_t split_height) {
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int i;
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CTHR_MUTEX_LOCK(rx_mutex);
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for (i=0; i<2; i++) {
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if (split_height <= rx_s[i].rs_height) {
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if (rx_s[i].rs_height == rx_dataset_height)
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rx_dataset_height = 1;
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rx_s[i].rs_height = 1; /* set to an invalid seed height */
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}
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}
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CTHR_MUTEX_UNLOCK(rx_mutex);
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}
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uint64_t rx_seedheight(const uint64_t height) {
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const uint64_t seedhash_epoch_lag = get_seedhash_epoch_lag();
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const uint64_t seedhash_epoch_blocks = get_seedhash_epoch_blocks();
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@ -183,6 +186,95 @@ void rx_seedheights(const uint64_t height, uint64_t *seedheight, uint64_t *nexth
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*nextheight = rx_seedheight(height + get_seedhash_epoch_lag());
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}
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static void rx_alloc_dataset(randomx_flags flags, randomx_dataset** dataset, int ignore_env)
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{
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if (*dataset) {
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return;
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}
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if (disabled_flags() & RANDOMX_FLAG_FULL_MEM) {
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static int shown = 0;
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if (!shown) {
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shown = 1;
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minfo(RX_LOGCAT, "RandomX dataset is disabled by MONERO_RANDOMX_UMASK environment variable.");
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}
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return;
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}
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if (!ignore_env && !getenv("MONERO_RANDOMX_FULL_MEM")) {
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static int shown = 0;
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if (!shown) {
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shown = 1;
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minfo(RX_LOGCAT, "RandomX dataset is not enabled by default. Use MONERO_RANDOMX_FULL_MEM environment variable to enable it.");
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}
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return;
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}
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*dataset = randomx_alloc_dataset((flags | RANDOMX_FLAG_LARGE_PAGES) & ~disabled_flags());
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if (!*dataset) {
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mwarning(RX_LOGCAT, "Couldn't allocate RandomX dataset using large pages");
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*dataset = randomx_alloc_dataset(flags & ~disabled_flags());
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if (!*dataset) {
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merror(RX_LOGCAT, "Couldn't allocate RandomX dataset");
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}
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}
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}
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static void rx_alloc_cache(randomx_flags flags, randomx_cache** cache)
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{
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if (*cache) {
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return;
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}
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*cache = randomx_alloc_cache((flags | RANDOMX_FLAG_LARGE_PAGES) & ~disabled_flags());
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if (!*cache) {
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mwarning(RX_LOGCAT, "Couldn't allocate RandomX cache using large pages");
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*cache = randomx_alloc_cache(flags & ~disabled_flags());
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if (!*cache) local_abort("Couldn't allocate RandomX cache");
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}
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}
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static void rx_init_full_vm(randomx_flags flags, randomx_vm** vm)
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{
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if (*vm || !main_dataset || (disabled_flags() & RANDOMX_FLAG_FULL_MEM)) {
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return;
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}
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if ((flags & RANDOMX_FLAG_JIT) && !miner_thread) {
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flags |= RANDOMX_FLAG_SECURE;
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}
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*vm = randomx_create_vm((flags | RANDOMX_FLAG_LARGE_PAGES | RANDOMX_FLAG_FULL_MEM) & ~disabled_flags(), NULL, main_dataset);
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if (!*vm) {
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mwarning(RX_LOGCAT, "Couldn't allocate RandomX full VM using large pages");
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*vm = randomx_create_vm((flags | RANDOMX_FLAG_FULL_MEM) & ~disabled_flags(), NULL, main_dataset);
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if (!*vm) {
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merror(RX_LOGCAT, "Couldn't allocate RandomX full VM");
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}
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}
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}
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static void rx_init_light_vm(randomx_flags flags, randomx_vm** vm, randomx_cache* cache)
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{
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if (*vm) {
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randomx_vm_set_cache(*vm, cache);
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return;
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}
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if ((flags & RANDOMX_FLAG_JIT) && !miner_thread) {
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flags |= RANDOMX_FLAG_SECURE;
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}
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flags &= ~RANDOMX_FLAG_FULL_MEM;
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*vm = randomx_create_vm((flags | RANDOMX_FLAG_LARGE_PAGES) & ~disabled_flags(), cache, NULL);
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if (!*vm) {
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mwarning(RX_LOGCAT, "Couldn't allocate RandomX light VM using large pages");
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*vm = randomx_create_vm(flags & ~disabled_flags(), cache, NULL);
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if (!*vm) local_abort("Couldn't allocate RandomX light VM");
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}
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}
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typedef struct seedinfo {
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randomx_cache *si_cache;
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unsigned long si_start;
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@ -191,187 +283,230 @@ typedef struct seedinfo {
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static CTHR_THREAD_RTYPE rx_seedthread(void *arg) {
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seedinfo *si = arg;
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randomx_init_dataset(rx_dataset, si->si_cache, si->si_start, si->si_count);
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randomx_init_dataset(main_dataset, si->si_cache, si->si_start, si->si_count);
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CTHR_THREAD_RETURN;
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}
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static void rx_initdata(randomx_cache *rs_cache, const int miners, const uint64_t seedheight) {
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if (miners > 1) {
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unsigned long delta = randomx_dataset_item_count() / miners;
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unsigned long start = 0;
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int i;
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seedinfo *si;
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CTHR_THREAD_TYPE *st;
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si = malloc(miners * sizeof(seedinfo));
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if (si == NULL)
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local_abort("Couldn't allocate RandomX mining threadinfo");
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st = malloc(miners * sizeof(CTHR_THREAD_TYPE));
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if (st == NULL) {
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free(si);
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local_abort("Couldn't allocate RandomX mining threadlist");
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}
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for (i=0; i<miners-1; i++) {
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si[i].si_cache = rs_cache;
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si[i].si_start = start;
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si[i].si_count = delta;
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start += delta;
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}
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si[i].si_cache = rs_cache;
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static void rx_init_dataset(size_t max_threads) {
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if (!main_dataset) {
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return;
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}
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// leave 2 CPU cores for other tasks
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const size_t num_threads = (max_threads < 4) ? 1 : (max_threads - 2);
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seedinfo* si = malloc(num_threads * sizeof(seedinfo));
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if (!si) local_abort("Couldn't allocate RandomX mining threadinfo");
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const uint32_t delta = randomx_dataset_item_count() / num_threads;
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uint32_t start = 0;
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const size_t n1 = num_threads - 1;
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for (size_t i = 0; i < n1; ++i) {
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si[i].si_cache = main_cache;
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si[i].si_start = start;
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si[i].si_count = randomx_dataset_item_count() - start;
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for (i=1; i<miners; i++) {
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CTHR_THREAD_CREATE(st[i], rx_seedthread, &si[i]);
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}
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randomx_init_dataset(rx_dataset, rs_cache, 0, si[0].si_count);
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for (i=1; i<miners; i++) {
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CTHR_THREAD_JOIN(st[i]);
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}
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free(st);
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free(si);
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} else {
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randomx_init_dataset(rx_dataset, rs_cache, 0, randomx_dataset_item_count());
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si[i].si_count = delta;
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start += delta;
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}
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rx_dataset_height = seedheight;
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si[n1].si_cache = main_cache;
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si[n1].si_start = start;
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si[n1].si_count = randomx_dataset_item_count() - start;
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CTHR_THREAD_TYPE *st = malloc(num_threads * sizeof(CTHR_THREAD_TYPE));
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if (!st) local_abort("Couldn't allocate RandomX mining threadlist");
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CTHR_RWLOCK_LOCK_READ(main_cache_lock);
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for (size_t i = 0; i < n1; ++i) {
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if (!CTHR_THREAD_CREATE(st[i], rx_seedthread, &si[i])) {
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local_abort("Couldn't start RandomX seed thread");
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}
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}
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rx_seedthread(&si[n1]);
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for (size_t i = 0; i < n1; ++i) CTHR_THREAD_JOIN(st[i]);
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CTHR_RWLOCK_UNLOCK_READ(main_cache_lock);
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free(st);
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free(si);
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minfo(RX_LOGCAT, "RandomX dataset initialized");
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}
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void rx_slow_hash(const uint64_t mainheight, const uint64_t seedheight, const char *seedhash, const void *data, size_t length,
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char *hash, int miners, int is_alt) {
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uint64_t s_height = rx_seedheight(mainheight);
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int toggle = (s_height & get_seedhash_epoch_blocks()) != 0;
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randomx_flags flags = enabled_flags() & ~disabled_flags();
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rx_state *rx_sp;
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randomx_cache *cache;
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typedef struct thread_info {
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char seedhash[HASH_SIZE];
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size_t max_threads;
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} thread_info;
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CTHR_MUTEX_LOCK(rx_mutex);
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static CTHR_THREAD_RTYPE rx_set_main_seedhash_thread(void *arg) {
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thread_info* info = arg;
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/* if alt block but with same seed as mainchain, no need for alt cache */
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if (is_alt) {
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if (s_height == seedheight && !memcmp(rx_s[toggle].rs_hash, seedhash, HASH_SIZE))
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is_alt = 0;
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} else {
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/* RPC could request an earlier block on mainchain */
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if (s_height > seedheight)
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is_alt = 1;
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/* miner can be ahead of mainchain */
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else if (s_height < seedheight)
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toggle ^= 1;
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CTHR_RWLOCK_LOCK_WRITE(main_dataset_lock);
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CTHR_RWLOCK_LOCK_WRITE(main_cache_lock);
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// Double check that seedhash wasn't already updated
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if (is_main(info->seedhash)) {
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CTHR_RWLOCK_UNLOCK_WRITE(main_cache_lock);
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CTHR_RWLOCK_UNLOCK_WRITE(main_dataset_lock);
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free(info);
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CTHR_THREAD_RETURN;
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}
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memcpy(main_seedhash, info->seedhash, HASH_SIZE);
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main_seedhash_set = 1;
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char buf[HASH_SIZE * 2 + 1];
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hash2hex(main_seedhash, buf);
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minfo(RX_LOGCAT, "RandomX new main seed hash is %s", buf);
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const randomx_flags flags = enabled_flags() & ~disabled_flags();
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rx_alloc_dataset(flags, &main_dataset, 0);
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rx_alloc_cache(flags, &main_cache);
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randomx_init_cache(main_cache, info->seedhash, HASH_SIZE);
|
||||
minfo(RX_LOGCAT, "RandomX main cache initialized");
|
||||
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(main_cache_lock);
|
||||
|
||||
// From this point, rx_slow_hash can calculate hashes in light mode, but dataset is not initialized yet
|
||||
rx_init_dataset(info->max_threads);
|
||||
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(main_dataset_lock);
|
||||
|
||||
free(info);
|
||||
CTHR_THREAD_RETURN;
|
||||
}
|
||||
|
||||
void rx_set_main_seedhash(const char *seedhash, size_t max_dataset_init_threads) {
|
||||
// Early out if seedhash didn't change
|
||||
if (is_main(seedhash)) {
|
||||
return;
|
||||
}
|
||||
|
||||
toggle ^= (is_alt != 0);
|
||||
// Update main cache and dataset in the background
|
||||
thread_info* info = malloc(sizeof(thread_info));
|
||||
if (!info) local_abort("Couldn't allocate RandomX mining threadinfo");
|
||||
|
||||
rx_sp = &rx_s[toggle];
|
||||
CTHR_MUTEX_LOCK(rx_sp->rs_mutex);
|
||||
CTHR_MUTEX_UNLOCK(rx_mutex);
|
||||
memcpy(info->seedhash, seedhash, HASH_SIZE);
|
||||
info->max_threads = max_dataset_init_threads;
|
||||
|
||||
cache = rx_sp->rs_cache;
|
||||
if (cache == NULL) {
|
||||
if (!(disabled_flags() & RANDOMX_FLAG_LARGE_PAGES)) {
|
||||
cache = randomx_alloc_cache(flags | RANDOMX_FLAG_LARGE_PAGES);
|
||||
if (cache == NULL) {
|
||||
mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX cache");
|
||||
}
|
||||
}
|
||||
if (cache == NULL) {
|
||||
cache = randomx_alloc_cache(flags);
|
||||
if (cache == NULL)
|
||||
local_abort("Couldn't allocate RandomX cache");
|
||||
}
|
||||
CTHR_THREAD_TYPE t;
|
||||
if (!CTHR_THREAD_CREATE(t, rx_set_main_seedhash_thread, info)) {
|
||||
local_abort("Couldn't start RandomX seed thread");
|
||||
}
|
||||
if (rx_sp->rs_height != seedheight || rx_sp->rs_cache == NULL || memcmp(seedhash, rx_sp->rs_hash, HASH_SIZE)) {
|
||||
randomx_init_cache(cache, seedhash, HASH_SIZE);
|
||||
rx_sp->rs_cache = cache;
|
||||
rx_sp->rs_height = seedheight;
|
||||
memcpy(rx_sp->rs_hash, seedhash, HASH_SIZE);
|
||||
}
|
||||
if (rx_vm == NULL) {
|
||||
if ((flags & RANDOMX_FLAG_JIT) && !miners) {
|
||||
flags |= RANDOMX_FLAG_SECURE & ~disabled_flags();
|
||||
}
|
||||
if (miners && (disabled_flags() & RANDOMX_FLAG_FULL_MEM)) {
|
||||
miners = 0;
|
||||
}
|
||||
if (miners) {
|
||||
CTHR_MUTEX_LOCK(rx_dataset_mutex);
|
||||
if (!rx_dataset_nomem) {
|
||||
if (rx_dataset == NULL) {
|
||||
if (!(disabled_flags() & RANDOMX_FLAG_LARGE_PAGES)) {
|
||||
rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_LARGE_PAGES);
|
||||
if (rx_dataset == NULL) {
|
||||
mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX dataset");
|
||||
}
|
||||
}
|
||||
if (rx_dataset == NULL)
|
||||
rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_DEFAULT);
|
||||
if (rx_dataset != NULL)
|
||||
rx_initdata(rx_sp->rs_cache, miners, seedheight);
|
||||
}
|
||||
|
||||
void rx_slow_hash(const char *seedhash, const void *data, size_t length, char *result_hash) {
|
||||
const randomx_flags flags = enabled_flags() & ~disabled_flags();
|
||||
int success = 0;
|
||||
|
||||
// Fast path (seedhash == main_seedhash)
|
||||
// Multiple threads can run in parallel in fast or light mode, 1-2 ms or 10-15 ms per hash per thread
|
||||
if (is_main(seedhash)) {
|
||||
// If CTHR_RWLOCK_TRYLOCK_READ fails it means dataset is being initialized now, so use the light mode
|
||||
if (main_dataset && CTHR_RWLOCK_TRYLOCK_READ(main_dataset_lock)) {
|
||||
// Double check that main_seedhash didn't change
|
||||
if (is_main(seedhash)) {
|
||||
rx_init_full_vm(flags, &main_vm_full);
|
||||
if (main_vm_full) {
|
||||
randomx_calculate_hash(main_vm_full, data, length, result_hash);
|
||||
success = 1;
|
||||
}
|
||||
}
|
||||
if (rx_dataset != NULL)
|
||||
flags |= RANDOMX_FLAG_FULL_MEM;
|
||||
else {
|
||||
miners = 0;
|
||||
if (!rx_dataset_nomem) {
|
||||
rx_dataset_nomem = 1;
|
||||
mwarning(RX_LOGCAT, "Couldn't allocate RandomX dataset for miner");
|
||||
}
|
||||
CTHR_RWLOCK_UNLOCK_READ(main_dataset_lock);
|
||||
} else {
|
||||
CTHR_RWLOCK_LOCK_READ(main_cache_lock);
|
||||
// Double check that main_seedhash didn't change
|
||||
if (is_main(seedhash)) {
|
||||
rx_init_light_vm(flags, &main_vm_light, main_cache);
|
||||
randomx_calculate_hash(main_vm_light, data, length, result_hash);
|
||||
success = 1;
|
||||
}
|
||||
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
|
||||
CTHR_RWLOCK_UNLOCK_READ(main_cache_lock);
|
||||
}
|
||||
if (!(disabled_flags() & RANDOMX_FLAG_LARGE_PAGES) && !rx_dataset_nolp) {
|
||||
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_dataset_nolp = 1;
|
||||
}
|
||||
}
|
||||
if (rx_vm == NULL)
|
||||
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);
|
||||
else if (rx_dataset == NULL) {
|
||||
/* this is a no-op if the cache hasn't changed */
|
||||
randomx_vm_set_cache(rx_vm, rx_sp->rs_cache);
|
||||
}
|
||||
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
|
||||
} else {
|
||||
/* this is a no-op if the cache hasn't 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);
|
||||
|
||||
if (success) {
|
||||
return;
|
||||
}
|
||||
|
||||
char buf[HASH_SIZE * 2 + 1];
|
||||
|
||||
// Slow path (seedhash != main_seedhash, but seedhash == secondary_seedhash)
|
||||
// Multiple threads can run in parallel in light mode, 10-15 ms per hash per thread
|
||||
if (!secondary_cache) {
|
||||
CTHR_RWLOCK_LOCK_WRITE(secondary_cache_lock);
|
||||
if (!secondary_cache) {
|
||||
hash2hex(seedhash, buf);
|
||||
minfo(RX_LOGCAT, "RandomX new secondary seed hash is %s", buf);
|
||||
|
||||
rx_alloc_cache(flags, &secondary_cache);
|
||||
randomx_init_cache(secondary_cache, seedhash, HASH_SIZE);
|
||||
minfo(RX_LOGCAT, "RandomX secondary cache updated");
|
||||
memcpy(secondary_seedhash, seedhash, HASH_SIZE);
|
||||
secondary_seedhash_set = 1;
|
||||
}
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(secondary_cache_lock);
|
||||
}
|
||||
|
||||
CTHR_RWLOCK_LOCK_READ(secondary_cache_lock);
|
||||
if (is_secondary(seedhash)) {
|
||||
rx_init_light_vm(flags, &secondary_vm_light, secondary_cache);
|
||||
randomx_calculate_hash(secondary_vm_light, data, length, result_hash);
|
||||
success = 1;
|
||||
}
|
||||
CTHR_RWLOCK_UNLOCK_READ(secondary_cache_lock);
|
||||
|
||||
if (success) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Slowest path (seedhash != main_seedhash, seedhash != secondary_seedhash)
|
||||
// Only one thread runs at a time and updates secondary_seedhash if needed, up to 200-500 ms per hash
|
||||
CTHR_RWLOCK_LOCK_WRITE(secondary_cache_lock);
|
||||
if (!is_secondary(seedhash)) {
|
||||
hash2hex(seedhash, buf);
|
||||
minfo(RX_LOGCAT, "RandomX new secondary seed hash is %s", buf);
|
||||
|
||||
randomx_init_cache(secondary_cache, seedhash, HASH_SIZE);
|
||||
minfo(RX_LOGCAT, "RandomX secondary cache updated");
|
||||
memcpy(secondary_seedhash, seedhash, HASH_SIZE);
|
||||
secondary_seedhash_set = 1;
|
||||
}
|
||||
rx_init_light_vm(flags, &secondary_vm_light, secondary_cache);
|
||||
randomx_calculate_hash(secondary_vm_light, data, length, result_hash);
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(secondary_cache_lock);
|
||||
}
|
||||
|
||||
void rx_slow_hash_allocate_state(void) {
|
||||
void rx_set_miner_thread(uint32_t value, size_t max_dataset_init_threads) {
|
||||
miner_thread = value;
|
||||
|
||||
// If dataset is not allocated yet, try to allocate and initialize it
|
||||
CTHR_RWLOCK_LOCK_WRITE(main_dataset_lock);
|
||||
if (main_dataset) {
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(main_dataset_lock);
|
||||
return;
|
||||
}
|
||||
|
||||
const randomx_flags flags = enabled_flags() & ~disabled_flags();
|
||||
rx_alloc_dataset(flags, &main_dataset, 1);
|
||||
rx_init_dataset(max_dataset_init_threads);
|
||||
|
||||
CTHR_RWLOCK_UNLOCK_WRITE(main_dataset_lock);
|
||||
}
|
||||
|
||||
void rx_slow_hash_free_state(void) {
|
||||
if (rx_vm != NULL) {
|
||||
randomx_destroy_vm(rx_vm);
|
||||
rx_vm = NULL;
|
||||
uint32_t rx_get_miner_thread() {
|
||||
return miner_thread;
|
||||
}
|
||||
|
||||
void rx_slow_hash_allocate_state() {}
|
||||
|
||||
static void rx_destroy_vm(randomx_vm** vm) {
|
||||
if (*vm) {
|
||||
randomx_destroy_vm(*vm);
|
||||
*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);
|
||||
}
|
||||
rx_dataset_nomem = 0;
|
||||
rx_dataset_nolp = 0;
|
||||
CTHR_MUTEX_UNLOCK(rx_dataset_mutex);
|
||||
void rx_slow_hash_free_state() {
|
||||
rx_destroy_vm(&main_vm_full);
|
||||
rx_destroy_vm(&main_vm_light);
|
||||
rx_destroy_vm(&secondary_vm_light);
|
||||
}
|
||||
|
||||
@ -82,6 +82,7 @@
|
||||
using namespace epee;
|
||||
|
||||
#include "miner.h"
|
||||
#include "crypto/hash.h"
|
||||
|
||||
|
||||
extern "C" void slow_hash_allocate_state();
|
||||
@ -436,7 +437,6 @@ namespace cryptonote
|
||||
{
|
||||
m_stop = true;
|
||||
}
|
||||
extern "C" void rx_stop_mining(void);
|
||||
//-----------------------------------------------------------------------------------------------------
|
||||
bool miner::stop()
|
||||
{
|
||||
@ -469,7 +469,6 @@ namespace cryptonote
|
||||
MINFO("Mining has been stopped, " << m_threads.size() << " finished" );
|
||||
m_threads.clear();
|
||||
m_threads_autodetect.clear();
|
||||
rx_stop_mining();
|
||||
return true;
|
||||
}
|
||||
//-----------------------------------------------------------------------------------------------------
|
||||
@ -524,6 +523,8 @@ namespace cryptonote
|
||||
bool miner::worker_thread()
|
||||
{
|
||||
const uint32_t th_local_index = m_thread_index++; // atomically increment, getting value before increment
|
||||
crypto::rx_set_miner_thread(th_local_index, tools::get_max_concurrency());
|
||||
|
||||
MLOG_SET_THREAD_NAME(std::string("[miner ") + std::to_string(th_local_index) + "]");
|
||||
MGINFO("Miner thread was started ["<< th_local_index << "]");
|
||||
uint32_t nonce = m_starter_nonce + th_local_index;
|
||||
|
||||
@ -456,6 +456,14 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline
|
||||
if (!update_next_cumulative_weight_limit())
|
||||
return false;
|
||||
}
|
||||
|
||||
if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
|
||||
{
|
||||
const crypto::hash seedhash = get_block_id_by_height(crypto::rx_seedheight(m_db->height()));
|
||||
if (seedhash != crypto::null_hash)
|
||||
rx_set_main_seedhash(seedhash.data, tools::get_max_concurrency());
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
//------------------------------------------------------------------
|
||||
@ -570,6 +578,12 @@ void Blockchain::pop_blocks(uint64_t nblocks)
|
||||
|
||||
if (stop_batch)
|
||||
m_db->batch_stop();
|
||||
|
||||
if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
|
||||
{
|
||||
const crypto::hash seedhash = get_block_id_by_height(crypto::rx_seedheight(m_db->height()));
|
||||
rx_set_main_seedhash(seedhash.data, tools::get_max_concurrency());
|
||||
}
|
||||
}
|
||||
//------------------------------------------------------------------
|
||||
// This function tells BlockchainDB to remove the top block from the
|
||||
@ -1239,18 +1253,20 @@ 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)
|
||||
reorg_notify->notify("%s", std::to_string(split_height).c_str(), "%h", std::to_string(m_db->height()).c_str(),
|
||||
"%n", std::to_string(m_db->height() - split_height).c_str(), "%d", std::to_string(discarded_blocks).c_str(), NULL);
|
||||
|
||||
const uint64_t new_height = m_db->height();
|
||||
const crypto::hash seedhash = get_block_id_by_height(crypto::rx_seedheight(new_height));
|
||||
|
||||
crypto::hash prev_id;
|
||||
if (!get_block_hash(alt_chain.back().bl, prev_id))
|
||||
MERROR("Failed to get block hash of an alternative chain's tip");
|
||||
else
|
||||
send_miner_notifications(prev_id, alt_chain.back().already_generated_coins);
|
||||
send_miner_notifications(new_height, seedhash, prev_id, alt_chain.back().already_generated_coins);
|
||||
|
||||
for (const auto& notifier : m_block_notifiers)
|
||||
{
|
||||
@ -1262,6 +1278,9 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<block_extended_info>
|
||||
}
|
||||
}
|
||||
|
||||
if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
|
||||
rx_set_main_seedhash(seedhash.data, tools::get_max_concurrency());
|
||||
|
||||
MGINFO_GREEN("REORGANIZE SUCCESS! on height: " << split_height << ", new blockchain size: " << m_db->height());
|
||||
return true;
|
||||
}
|
||||
@ -2001,7 +2020,7 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
|
||||
{
|
||||
seedhash = get_block_id_by_height(seedheight);
|
||||
}
|
||||
get_altblock_longhash(bei.bl, proof_of_work, get_current_blockchain_height(), bei.height, seedheight, seedhash);
|
||||
get_altblock_longhash(bei.bl, proof_of_work, seedhash);
|
||||
} else
|
||||
{
|
||||
get_block_longhash(this, bei.bl, proof_of_work, bei.height, 0);
|
||||
@ -4552,11 +4571,15 @@ leave:
|
||||
}
|
||||
}
|
||||
|
||||
send_miner_notifications(id, already_generated_coins);
|
||||
const crypto::hash seedhash = get_block_id_by_height(crypto::rx_seedheight(new_height));
|
||||
send_miner_notifications(new_height, seedhash, id, already_generated_coins);
|
||||
|
||||
for (const auto& notifier: m_block_notifiers)
|
||||
notifier(new_height - 1, {std::addressof(bl), 1});
|
||||
|
||||
if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
|
||||
rx_set_main_seedhash(seedhash.data, tools::get_max_concurrency());
|
||||
|
||||
return true;
|
||||
}
|
||||
//------------------------------------------------------------------
|
||||
@ -5761,24 +5784,15 @@ void Blockchain::cache_block_template(const block &b, const cryptonote::account_
|
||||
m_btc_valid = true;
|
||||
}
|
||||
|
||||
void Blockchain::send_miner_notifications(const crypto::hash &prev_id, uint64_t already_generated_coins)
|
||||
void Blockchain::send_miner_notifications(uint64_t height, const crypto::hash &seed_hash, const crypto::hash &prev_id, uint64_t already_generated_coins)
|
||||
{
|
||||
if (m_miner_notifiers.empty())
|
||||
return;
|
||||
|
||||
const uint64_t height = m_db->height();
|
||||
const uint8_t major_version = m_hardfork->get_ideal_version(height);
|
||||
const difficulty_type diff = get_difficulty_for_next_block();
|
||||
const uint64_t median_weight = m_current_block_cumul_weight_median;
|
||||
|
||||
crypto::hash seed_hash = crypto::null_hash;
|
||||
if (m_hardfork->get_current_version() >= RX_BLOCK_VERSION)
|
||||
{
|
||||
uint64_t seed_height, next_height;
|
||||
crypto::rx_seedheights(height, &seed_height, &next_height);
|
||||
seed_hash = get_block_id_by_height(seed_height);
|
||||
}
|
||||
|
||||
std::vector<tx_block_template_backlog_entry> tx_backlog;
|
||||
m_tx_pool.get_block_template_backlog(tx_backlog);
|
||||
|
||||
|
||||
@ -1598,9 +1598,11 @@ namespace cryptonote
|
||||
/**
|
||||
* @brief sends new block notifications to ZMQ `miner_data` subscribers
|
||||
*
|
||||
* @param height current blockchain height
|
||||
* @param seed_hash seed hash to use for mining
|
||||
* @param prev_id hash of new blockchain tip
|
||||
* @param already_generated_coins total coins mined by the network so far
|
||||
*/
|
||||
void send_miner_notifications(const crypto::hash &prev_id, uint64_t already_generated_coins);
|
||||
void send_miner_notifications(uint64_t height, const crypto::hash &seed_hash, const crypto::hash &prev_id, uint64_t already_generated_coins);
|
||||
};
|
||||
} // namespace cryptonote
|
||||
|
||||
@ -669,10 +669,10 @@ namespace cryptonote
|
||||
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)
|
||||
void get_altblock_longhash(const block& b, crypto::hash& res, 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);
|
||||
rx_slow_hash(seed_hash.data, bd.data(), bd.size(), res.data);
|
||||
}
|
||||
|
||||
bool get_block_longhash(const Blockchain *pbc, const blobdata& bd, crypto::hash& res, const uint64_t height, const int major_version, const crypto::hash *seed_hash, const int miners)
|
||||
@ -686,20 +686,16 @@ namespace cryptonote
|
||||
}
|
||||
if (major_version >= RX_BLOCK_VERSION)
|
||||
{
|
||||
uint64_t seed_height, main_height;
|
||||
crypto::hash hash;
|
||||
if (pbc != NULL)
|
||||
{
|
||||
seed_height = rx_seedheight(height);
|
||||
const uint64_t seed_height = rx_seedheight(height);
|
||||
hash = seed_hash ? *seed_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, seed_hash ? 0 : miners, !!seed_hash);
|
||||
rx_slow_hash(hash.data, bd.data(), bd.size(), res.data);
|
||||
} else {
|
||||
const int pow_variant = major_version >= 7 ? major_version - 6 : 0;
|
||||
crypto::cn_slow_hash(bd.data(), bd.size(), res, pow_variant, height);
|
||||
@ -713,20 +709,10 @@ namespace cryptonote
|
||||
return get_block_longhash(pbc, bd, res, height, b.major_version, seed_hash, miners);
|
||||
}
|
||||
|
||||
bool get_block_longhash(const Blockchain *pbc, const block& b, crypto::hash& res, const uint64_t height, const int miners)
|
||||
{
|
||||
return get_block_longhash(pbc, b, res, height, NULL, miners);
|
||||
}
|
||||
|
||||
crypto::hash get_block_longhash(const Blockchain *pbc, const block& b, const uint64_t height, const int miners)
|
||||
crypto::hash get_block_longhash(const Blockchain *pbc, const block& b, const uint64_t height, const crypto::hash *seed_hash, const int miners)
|
||||
{
|
||||
crypto::hash p = crypto::null_hash;
|
||||
get_block_longhash(pbc, b, p, height, miners);
|
||||
get_block_longhash(pbc, b, p, height, seed_hash, miners);
|
||||
return p;
|
||||
}
|
||||
|
||||
void get_block_longhash_reorg(const uint64_t split_height)
|
||||
{
|
||||
rx_reorg(split_height);
|
||||
}
|
||||
}
|
||||
|
||||
@ -144,14 +144,10 @@ namespace cryptonote
|
||||
);
|
||||
|
||||
class Blockchain;
|
||||
bool get_block_longhash(const Blockchain *pb, const blobdata& bd, crypto::hash& res, const uint64_t height,
|
||||
const int major_version, const crypto::hash *seed_hash, const int miners);
|
||||
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const int miners);
|
||||
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const crypto::hash *seed_hash, 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);
|
||||
bool get_block_longhash(const Blockchain *pb, const blobdata& bd, crypto::hash& res, const uint64_t height, const int major_version, const crypto::hash *seed_hash, const int miners = 0);
|
||||
bool get_block_longhash(const Blockchain *pb, const block& b, crypto::hash& res, const uint64_t height, const crypto::hash *seed_hash = nullptr, const int miners = 0);
|
||||
crypto::hash get_block_longhash(const Blockchain *pb, const block& b, const uint64_t height, const crypto::hash *seed_hash = nullptr, const int miners = 0);
|
||||
void get_altblock_longhash(const block& b, crypto::hash& res, const crypto::hash& seed_hash);
|
||||
|
||||
}
|
||||
|
||||
|
||||
@ -236,10 +236,8 @@ namespace cryptonote
|
||||
*(uint32_t*)(hashing_blob.data() + 39) = SWAP32LE(nonce);
|
||||
if (block.major_version >= RX_BLOCK_VERSION)
|
||||
{
|
||||
const uint64_t seed_height = is_current ? info.seed_height : info.previous_seed_height;
|
||||
const crypto::hash &seed_hash = is_current ? info.seed_hash : info.previous_seed_hash;
|
||||
const uint64_t height = cryptonote::get_block_height(block);
|
||||
crypto::rx_slow_hash(height, seed_height, seed_hash.data, hashing_blob.data(), hashing_blob.size(), hash.data, 0, 0);
|
||||
crypto::rx_slow_hash(seed_hash.data, hashing_blob.data(), hashing_blob.size(), hash.data);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
@ -155,8 +155,7 @@ bool wallet2::search_for_rpc_payment(uint64_t credits_target, uint32_t n_threads
|
||||
const uint8_t major_version = hashing_blob[0];
|
||||
if (major_version >= RX_BLOCK_VERSION)
|
||||
{
|
||||
const int miners = 1;
|
||||
crypto::rx_slow_hash(height, seed_height, seed_hash.data, hashing_blob.data(), hashing_blob.size(), hash[i].data, miners, 0);
|
||||
crypto::rx_slow_hash(seed_hash.data, hashing_blob.data(), hashing_blob.size(), hash[i].data);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user