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cryptonote_basic: add overload for get_block_longhash()

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This commit is contained in:
jeffro256
2025-08-15 17:51:36 -05:00
parent 7fe199facc
commit 488bf71925
3 changed files with 34 additions and 21 deletions
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25
src/cryptonote_basic/cryptonote_format_utils.cpp
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@@ -1605,6 +1605,31 @@ namespace cryptonote
return get_tx_tree_hash(txs_ids); return get_tx_tree_hash(txs_ids);
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
crypto::hash get_block_longhash(const blobdata_ref block_hashing_blob,
const uint64_t height,
const uint8_t major_version,
const crypto::hash &seed_hash)
{
crypto::hash res;
if (height == 202612) // block 202612 bug workaround
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
epee::string_tools::hex_to_pod(longhash_202612, res);
}
else if (major_version >= RX_BLOCK_VERSION) // RandomX
{
crypto::rx_slow_hash(seed_hash.data, block_hashing_blob.data(), block_hashing_blob.size(), res.data);
}
else // CryptoNight
{
const int pow_variant = major_version >= 7 ? major_version - 6 : 0;
crypto::cn_slow_hash(block_hashing_blob.data(), block_hashing_blob.size(), res, pow_variant, height);
}
return res;
}
//---------------------------------------------------------------
bool is_valid_decomposed_amount(uint64_t amount) bool is_valid_decomposed_amount(uint64_t amount)
{ {
if (0 == amount) if (0 == amount)

4
src/cryptonote_basic/cryptonote_format_utils.h
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@@ -261,6 +261,10 @@ namespace cryptonote
void get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes, crypto::hash& h); void get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes, crypto::hash& h);
crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes); crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes);
crypto::hash get_tx_tree_hash(const block& b); crypto::hash get_tx_tree_hash(const block& b);
crypto::hash get_block_longhash(const blobdata_ref block_hashing_blob,
const uint64_t height,
const uint8_t major_version,
const crypto::hash &seed_hash);
bool is_valid_decomposed_amount(uint64_t amount); bool is_valid_decomposed_amount(uint64_t amount);
void get_hash_stats(uint64_t &tx_hashes_calculated, uint64_t &tx_hashes_cached, uint64_t &block_hashes_calculated, uint64_t & block_hashes_cached); void get_hash_stats(uint64_t &tx_hashes_calculated, uint64_t &tx_hashes_cached, uint64_t &block_hashes_calculated, uint64_t & block_hashes_cached);

24
src/cryptonote_core/cryptonote_tx_utils.cpp
View File

@@ -678,29 +678,13 @@ namespace cryptonote
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) 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)
{ {
// block 202612 bug workaround crypto::hash seed_hash_ = crypto::null_hash;
if (height == 202612) if (pbc != NULL && major_version >= RX_BLOCK_VERSION)
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
epee::string_tools::hex_to_pod(longhash_202612, res);
return true;
}
if (major_version >= RX_BLOCK_VERSION)
{
crypto::hash hash;
if (pbc != NULL)
{ {
const uint64_t 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); seed_hash_ = seed_hash ? *seed_hash : pbc->get_pending_block_id_by_height(seed_height);
} else
{
memset(&hash, 0, sizeof(hash)); // only happens when generating genesis block
}
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);
} }
res = get_block_longhash(bd, height, major_version, seed_hash_);
return true; return true;
} }