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core: cache tx and block hashes in the respective classes

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An idea from smooth
This commit is contained in:
moneromooo-monero 2017-03-22 18:01:09 +00:00
parent 72f38bcc91
commit f065234b71
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
6 changed files with 134 additions and 2 deletions
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32
src/cryptonote_basic/cryptonote_basic.h
View file

@ -190,11 +190,24 @@ namespace cryptonote
std::vector<std::vector<crypto::signature> > signatures; //count signatures always the same as inputs count
rct::rctSig rct_signatures;
// hash cash
mutable crypto::hash hash;
mutable size_t blob_size;
mutable bool hash_valid;
mutable bool blob_size_valid;
transaction();
virtual ~transaction();
void set_null();
void invalidate_hashes();
BEGIN_SERIALIZE_OBJECT()
if (!typename Archive<W>::is_saving())
{
hash_valid = false;
blob_size_valid = false;
}
FIELDS(*static_cast<transaction_prefix *>(this))
if (version == 1)
@ -299,6 +312,15 @@ namespace cryptonote
extra.clear();
signatures.clear();
rct_signatures.type = rct::RCTTypeNull;
hash_valid = false;
blob_size_valid = false;
}
inline
void transaction::invalidate_hashes()
{
hash_valid = false;
blob_size_valid = false;
}
inline
@ -339,10 +361,20 @@ namespace cryptonote
struct block: public block_header
{
block(): block_header(), hash_valid(false) {}
void invalidate_hashes() { hash_valid = false; }
transaction miner_tx;
std::vector<crypto::hash> tx_hashes;
// hash cash
mutable crypto::hash hash;
mutable bool hash_valid;
BEGIN_SERIALIZE_OBJECT()
if (!typename Archive<W>::is_saving())
hash_valid = false;
FIELDS(*static_cast<block_header *>(this))
FIELD(miner_tx)
FIELD(tx_hashes)

79
src/cryptonote_basic/cryptonote_format_utils.cpp
View file

@ -43,6 +43,8 @@ using namespace epee;
#define ENCRYPTED_PAYMENT_ID_TAIL 0x8d
// #define ENABLE_HASH_CASH_INTEGRITY_CHECK
static const uint64_t valid_decomposed_outputs[] = {
(uint64_t)1, (uint64_t)2, (uint64_t)3, (uint64_t)4, (uint64_t)5, (uint64_t)6, (uint64_t)7, (uint64_t)8, (uint64_t)9, // 1 piconero
(uint64_t)10, (uint64_t)20, (uint64_t)30, (uint64_t)40, (uint64_t)50, (uint64_t)60, (uint64_t)70, (uint64_t)80, (uint64_t)90,
@ -68,6 +70,11 @@ static const uint64_t valid_decomposed_outputs[] = {
static std::atomic<unsigned int> default_decimal_point(CRYPTONOTE_DISPLAY_DECIMAL_POINT);
static std::atomic<uint64_t> tx_hashes_calculated_count(0);
static std::atomic<uint64_t> tx_hashes_cached_count(0);
static std::atomic<uint64_t> block_hashes_calculated_count(0);
static std::atomic<uint64_t> block_hashes_cached_count(0);
namespace cryptonote
{
//---------------------------------------------------------------
@ -93,6 +100,8 @@ namespace cryptonote
binary_archive<false> ba(ss);
bool r = ::serialization::serialize(ba, tx);
CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
tx.hash_valid = false;
tx.blob_size_valid = false;
return true;
}
//---------------------------------------------------------------
@ -113,6 +122,8 @@ namespace cryptonote
binary_archive<false> ba(ss);
bool r = ::serialization::serialize(ba, tx);
CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
tx.hash_valid = false;
tx.blob_size_valid = false;
//TODO: validate tx
get_transaction_hash(tx, tx_hash);
@ -592,7 +603,7 @@ namespace cryptonote
return get_transaction_hash(t, res, NULL);
}
//---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size)
bool calculate_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size)
{
// v1 transactions hash the entire blob
if (t.version == 1)
@ -647,6 +658,40 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size)
{
if (t.hash_valid)
{
#ifdef ENABLE_HASH_CASH_INTEGRITY_CHECK
CHECK_AND_ASSERT_THROW_MES(!calculate_transaction_hash(t, res, blob_size) || t.hash == res, "tx hash cash integrity failure");
#endif
res = t.hash;
if (blob_size)
{
if (!t.blob_size_valid)
{
t.blob_size = get_object_blobsize(t);
t.blob_size_valid = true;
}
*blob_size = t.blob_size;
}
++tx_hashes_cached_count;
return true;
}
++tx_hashes_calculated_count;
bool ret = calculate_transaction_hash(t, res, blob_size);
if (!ret)
return false;
t.hash = res;
t.hash_valid = true;
if (blob_size)
{
t.blob_size = *blob_size;
t.blob_size_valid = true;
}
return true;
}
//---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size)
{
return get_transaction_hash(t, res, &blob_size);
@ -661,7 +706,7 @@ namespace cryptonote
return blob;
}
//---------------------------------------------------------------
bool get_block_hash(const block& b, crypto::hash& res)
bool calculate_block_hash(const block& b, crypto::hash& res)
{
// EXCEPTION FOR BLOCK 202612
const std::string correct_blob_hash_202612 = "3a8a2b3a29b50fc86ff73dd087ea43c6f0d6b8f936c849194d5c84c737903966";
@ -688,6 +733,26 @@ namespace cryptonote
return hash_result;
}
//---------------------------------------------------------------
bool get_block_hash(const block& b, crypto::hash& res)
{
if (b.hash_valid)
{
#ifdef ENABLE_HASH_CASH_INTEGRITY_CHECK
CHECK_AND_ASSERT_THROW_MES(!calculate_block_hash(b, res) || b.hash == res, "block hash cash integrity failure");
#endif
res = b.hash;
++block_hashes_cached_count;
return true;
}
++block_hashes_calculated_count;
bool ret = calculate_block_hash(b, res);
if (!ret)
return false;
b.hash = res;
b.hash_valid = true;
return true;
}
//---------------------------------------------------------------
crypto::hash get_block_hash(const block& b)
{
crypto::hash p = null_hash;
@ -744,6 +809,9 @@ namespace cryptonote
binary_archive<false> ba(ss);
bool r = ::serialization::serialize(ba, b);
CHECK_AND_ASSERT_MES(r, false, "Failed to parse block from blob");
b.hash_valid = false;
b.miner_tx.hash_valid = false;
b.miner_tx.blob_size_valid = false;
return true;
}
//---------------------------------------------------------------
@ -798,4 +866,11 @@ namespace cryptonote
return std::binary_search(begin, end, 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)
{
tx_hashes_calculated = tx_hashes_calculated_count;
tx_hashes_cached = tx_hashes_cached_count;
block_hashes_calculated = block_hashes_calculated_count;
block_hashes_cached = block_hashes_cached_count;
}
}

3
src/cryptonote_basic/cryptonote_format_utils.h
View file

@ -85,7 +85,9 @@ namespace cryptonote
bool get_transaction_hash(const transaction& t, crypto::hash& res);
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size);
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size);
bool calculate_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size);
blobdata get_block_hashing_blob(const block& b);
bool calculate_block_hash(const block& b, crypto::hash& res);
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);
@ -209,6 +211,7 @@ namespace cryptonote
crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes);
crypto::hash get_tx_tree_hash(const block& b);
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);
#define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \
CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \

2
src/cryptonote_basic/miner.cpp
View file

@ -355,9 +355,11 @@ namespace cryptonote
if(check_hash(h, diffic))
{
bl.hash_valid = false;
return true;
}
}
bl.hash_valid = false;
return false;
}
//-----------------------------------------------------------------------------------------------------

6
src/cryptonote_core/cryptonote_tx_utils.cpp
View file

@ -132,6 +132,9 @@ namespace cryptonote
//lock
tx.unlock_time = height + CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW;
tx.vin.push_back(in);
tx.hash_valid = tx.blob_size_valid = false;
//LOG_PRINT("MINER_TX generated ok, block_reward=" << print_money(block_reward) << "(" << print_money(block_reward - fee) << "+" << print_money(fee)
// << "), current_block_size=" << current_block_size << ", already_generated_coins=" << already_generated_coins << ", tx_id=" << get_transaction_hash(tx), LOG_LEVEL_2);
return true;
@ -451,6 +454,8 @@ namespace cryptonote
MCINFO("construct_tx", "transaction_created: " << get_transaction_hash(tx) << ENDL << obj_to_json_str(tx) << ENDL);
}
tx.hash_valid = tx.blob_size_valid = false;
return true;
}
//---------------------------------------------------------------
@ -487,6 +492,7 @@ namespace cryptonote
bl.timestamp = 0;
bl.nonce = nonce;
miner::find_nonce_for_given_block(bl, 1, 0);
bl.hash_valid = false;
return true;
}
//---------------------------------------------------------------

14
tests/unit_tests/serialization.cpp
View file

@ -331,6 +331,7 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
// Miner tx with empty signatures 2nd vector
tx.signatures.resize(1);
tx.invalidate_hashes();
ASSERT_TRUE(serialization::dump_binary(tx, blob));
ASSERT_EQ(7, blob.size()); // 5 bytes + 2 bytes vin[0] + 0 bytes extra + 0 bytes signatures
ASSERT_TRUE(serialization::parse_binary(blob, tx1));
@ -345,16 +346,19 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
tx.signatures.resize(2);
tx.signatures[0].resize(0);
tx.signatures[1].resize(0);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// Miner tx with 2 signatures
tx.signatures[0].resize(1);
tx.signatures[1].resize(1);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// Two txin_gen, no signatures
tx.vin.push_back(txin_gen1);
tx.signatures.resize(0);
tx.invalidate_hashes();
ASSERT_TRUE(serialization::dump_binary(tx, blob));
ASSERT_EQ(9, blob.size()); // 5 bytes + 2 * 2 bytes vins + 0 bytes extra + 0 bytes signatures
ASSERT_TRUE(serialization::parse_binary(blob, tx1));
@ -363,10 +367,12 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
// Two txin_gen, signatures vector contains only one empty element
tx.signatures.resize(1);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// Two txin_gen, signatures vector contains two empty elements
tx.signatures.resize(2);
tx.invalidate_hashes();
ASSERT_TRUE(serialization::dump_binary(tx, blob));
ASSERT_EQ(9, blob.size()); // 5 bytes + 2 * 2 bytes vins + 0 bytes extra + 0 bytes signatures
ASSERT_TRUE(serialization::parse_binary(blob, tx1));
@ -375,18 +381,21 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
// Two txin_gen, signatures vector contains three empty elements
tx.signatures.resize(3);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// Two txin_gen, signatures vector contains two non empty elements
tx.signatures.resize(2);
tx.signatures[0].resize(1);
tx.signatures[1].resize(1);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// A few bytes instead of signature
tx.vin.clear();
tx.vin.push_back(txin_gen1);
tx.signatures.clear();
tx.invalidate_hashes();
ASSERT_TRUE(serialization::dump_binary(tx, blob));
blob.append(std::string(sizeof(crypto::signature) / 2, 'x'));
ASSERT_FALSE(serialization::parse_binary(blob, tx1));
@ -406,6 +415,7 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
tx.vin.push_back(txin_to_key1);
tx.signatures.resize(1);
tx.signatures[0].resize(2);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// Too much signatures for two inputs
@ -413,24 +423,28 @@ TEST(Serialization, serializes_transacion_signatures_correctly)
tx.signatures[0].resize(2);
tx.signatures[1].resize(2);
tx.signatures[2].resize(2);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// First signatures vector contains too little elements
tx.signatures.resize(2);
tx.signatures[0].resize(1);
tx.signatures[1].resize(2);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// First signatures vector contains too much elements
tx.signatures.resize(2);
tx.signatures[0].resize(3);
tx.signatures[1].resize(2);
tx.invalidate_hashes();
ASSERT_FALSE(serialization::dump_binary(tx, blob));
// There are signatures for each input
tx.signatures.resize(2);
tx.signatures[0].resize(2);
tx.signatures[1].resize(2);
tx.invalidate_hashes();
ASSERT_TRUE(serialization::dump_binary(tx, blob));
ASSERT_TRUE(serialization::parse_binary(blob, tx1));
ASSERT_EQ(tx, tx1);