|
|
@ -142,15 +142,27 @@ void ethash_calculate_dag_item( |
|
|
|
SHA3_512(ret->bytes, ret->bytes, sizeof(node)); |
|
|
|
} |
|
|
|
|
|
|
|
bool ethash_compute_full_data(void* mem, uint64_t full_size, ethash_light_t const light) |
|
|
|
bool ethash_compute_full_data( |
|
|
|
void* mem, |
|
|
|
uint64_t full_size, |
|
|
|
ethash_light_t const light, |
|
|
|
ethash_callback_t callback |
|
|
|
) |
|
|
|
{ |
|
|
|
if (full_size % (sizeof(uint32_t) * MIX_WORDS) != 0 || |
|
|
|
(full_size % sizeof(node)) != 0) { |
|
|
|
return false; |
|
|
|
} |
|
|
|
node* full_nodes = mem; |
|
|
|
double const progress_change = 1.0f / (full_size / sizeof(node)); |
|
|
|
double progress = 0.0f; |
|
|
|
// now compute full nodes
|
|
|
|
for (unsigned n = 0; n != (full_size / sizeof(node)); ++n) { |
|
|
|
if (callback && |
|
|
|
callback((unsigned int)(ceil(progress * 100.0f))) != 0) { |
|
|
|
return false; |
|
|
|
} |
|
|
|
progress += progress_change; |
|
|
|
ethash_calculate_dag_item(&(full_nodes[n]), n, light); |
|
|
|
} |
|
|
|
return true; |
|
|
@ -162,8 +174,7 @@ static bool ethash_hash( |
|
|
|
ethash_light_t const light, |
|
|
|
uint64_t full_size, |
|
|
|
ethash_h256_t const header_hash, |
|
|
|
uint64_t const nonce, |
|
|
|
ethash_callback_t callback |
|
|
|
uint64_t const nonce |
|
|
|
) |
|
|
|
{ |
|
|
|
if (full_size % MIX_WORDS != 0) { |
|
|
@ -188,18 +199,11 @@ static bool ethash_hash( |
|
|
|
unsigned const page_size = sizeof(uint32_t) * MIX_WORDS; |
|
|
|
unsigned const num_full_pages = (unsigned) (full_size / page_size); |
|
|
|
|
|
|
|
double const progress_change = 1.0f / ETHASH_ACCESSES / MIX_NODES; |
|
|
|
double progress = 0.0f; |
|
|
|
for (unsigned i = 0; i != ETHASH_ACCESSES; ++i) { |
|
|
|
uint32_t const index = ((s_mix->words[0] ^ i) * FNV_PRIME ^ mix->words[i % MIX_WORDS]) % num_full_pages; |
|
|
|
|
|
|
|
for (unsigned n = 0; n != MIX_NODES; ++n) { |
|
|
|
node const* dag_node; |
|
|
|
if (callback && |
|
|
|
callback((unsigned int)(ceil(progress * 100.0f))) != 0) { |
|
|
|
return false; |
|
|
|
} |
|
|
|
progress += progress_change; |
|
|
|
if (full_nodes) { |
|
|
|
dag_node = &full_nodes[MIX_NODES * index + n]; |
|
|
|
} else { |
|
|
@ -342,8 +346,7 @@ bool ethash_light_compute_internal( |
|
|
|
light, |
|
|
|
full_size, |
|
|
|
header_hash, |
|
|
|
nonce, |
|
|
|
NULL |
|
|
|
nonce |
|
|
|
); |
|
|
|
} |
|
|
|
|
|
|
@ -418,10 +421,9 @@ ethash_full_t ethash_full_new_internal( |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
if (!ethash_compute_full_data(ret->data, full_size, light)) { |
|
|
|
if (!ethash_compute_full_data(ret->data, full_size, light, callback)) { |
|
|
|
goto fail_free_full_data; |
|
|
|
} |
|
|
|
ret->callback = callback; |
|
|
|
return ret; |
|
|
|
|
|
|
|
fail_free_full_data: |
|
|
@ -469,8 +471,7 @@ ethash_return_value_t ethash_full_compute( |
|
|
|
NULL, |
|
|
|
full->file_size, |
|
|
|
header_hash, |
|
|
|
nonce, |
|
|
|
full->callback)) { |
|
|
|
nonce)) { |
|
|
|
ret.success = false; |
|
|
|
} |
|
|
|
return ret; |
|
|
|