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RandomX: try to recover after an error

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This commit is contained in:
SChernykh
2023-08-21 11:01:57 +02:00
parent 8d65a99fe4
commit bc0634a541
5 changed files with 32 additions and 12 deletions
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25
src/pow_hash.cpp
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@@ -322,6 +322,22 @@ void RandomX_Hasher::sync_wait()
ReadLock lock2(m_cacheLock);
}
static bool randomx_calculate_hash_safe(randomx_vm* machine, const void* input, size_t inputSize, void* output)
{
// Try to calculate the hash again if something went wrong the first time (for example, because of an unstable CPU)
for (size_t i = 0; i < 2; ++i) {
try {
randomx_calculate_hash(machine, input, inputSize, output);
return true;
}
catch (const std::exception& e) {
LOGERR(0, "Failed to calculate RandomX hash: exception \"" << e.what() << "\". Is your CPU/RAM unstable?" <<
"\nFailed RandomX hash input: " << log::hex_buf(input, inputSize));
}
}
return false;
}
bool RandomX_Hasher::calculate(const void* data, size_t size, uint64_t /*height*/, const hash& seed, hash& result, bool force_light_mode)
{
// First try to use the dataset if it's ready
@@ -335,8 +351,7 @@ bool RandomX_Hasher::calculate(const void* data, size_t size, uint64_t /*height*
MutexLock lock(m_vm[FULL_DATASET_VM].mutex);
if (m_vm[FULL_DATASET_VM].vm && (seed == m_seed[m_index])) {
randomx_calculate_hash(m_vm[FULL_DATASET_VM].vm, data, size, &result);
return true;
return randomx_calculate_hash_safe(m_vm[FULL_DATASET_VM].vm, data, size, &result);
}
}
@@ -350,8 +365,7 @@ bool RandomX_Hasher::calculate(const void* data, size_t size, uint64_t /*height*
{
MutexLock lock2(m_vm[m_index].mutex);
if (m_vm[m_index].vm && (seed == m_seed[m_index])) {
randomx_calculate_hash(m_vm[m_index].vm, data, size, &result);
return true;
return randomx_calculate_hash_safe(m_vm[m_index].vm, data, size, &result);
}
}
@@ -360,8 +374,7 @@ bool RandomX_Hasher::calculate(const void* data, size_t size, uint64_t /*height*
MutexLock lock2(m_vm[prev_index].mutex);
if (m_vm[prev_index].vm && (seed == m_seed[prev_index])) {
randomx_calculate_hash(m_vm[prev_index].vm, data, size, &result);
return true;
return randomx_calculate_hash_safe(m_vm[prev_index].vm, data, size, &result);
}
return false;