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Merge pull request #5346

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c84ea299 cryptonote_basic: some more minor speedups (moneromooo-monero)
e40eb2ad cryptonote_basic: speedup calculate_block_hash (moneromooo-monero)
547a9708 cryptonote: block parsing + hash calculation speedup (moneromooo-monero)
11604b6d blockchain: avoid unneeded block copy (moneromooo-monero)
8461df04 save some database calls when getting top block hash and height (moneromooo-monero)
3bbc3661 Avoid repeated (de)serialization when syncing (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2019-04-06 15:59:43 +02:00
commit 4ac78e1612
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GPG key ID: 55432DF31CCD4FCD
6 changed files with 65 additions and 20 deletions
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55
src/cryptonote_basic/cryptonote_format_utils.cpp
View file

@ -1090,7 +1090,14 @@ namespace cryptonote
// we still need the size
if (blob_size)
*blob_size = get_object_blobsize(t);
{
if (!t.is_blob_size_valid())
{
t.blob_size = blob.size();
t.set_blob_size_valid(true);
}
*blob_size = t.blob_size;
}
return true;
}
@ -1143,21 +1150,37 @@ namespace cryptonote
return blob;
}
//---------------------------------------------------------------
bool calculate_block_hash(const block& b, crypto::hash& res)
bool calculate_block_hash(const block& b, crypto::hash& res, const blobdata *blob)
{
blobdata bd;
if (!blob)
{
bd = block_to_blob(b);
blob = &bd;
}
bool hash_result = get_object_hash(get_block_hashing_blob(b), res);
if (!hash_result)
return false;
if (b.miner_tx.vin.size() == 1 && b.miner_tx.vin[0].type() == typeid(cryptonote::txin_gen))
{
const cryptonote::txin_gen &txin_gen = boost::get<cryptonote::txin_gen>(b.miner_tx.vin[0]);
if (txin_gen.height != 202612)
return true;
}
// EXCEPTION FOR BLOCK 202612
const std::string correct_blob_hash_202612 = "3a8a2b3a29b50fc86ff73dd087ea43c6f0d6b8f936c849194d5c84c737903966";
const std::string existing_block_id_202612 = "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698";
crypto::hash block_blob_hash = get_blob_hash(block_to_blob(b));
crypto::hash block_blob_hash = get_blob_hash(*blob);
if (string_tools::pod_to_hex(block_blob_hash) == correct_blob_hash_202612)
{
string_tools::hex_to_pod(existing_block_id_202612, res);
return true;
}
bool hash_result = get_object_hash(get_block_hashing_blob(b), res);
if (hash_result)
{
// make sure that we aren't looking at a block with the 202612 block id but not the correct blobdata
if (string_tools::pod_to_hex(res) == existing_block_id_202612)
@ -1200,9 +1223,9 @@ namespace cryptonote
bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height)
{
// block 202612 bug workaround
const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
if (height == 202612)
{
static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000";
string_tools::hex_to_pod(longhash_202612, res);
return true;
}
@ -1239,7 +1262,7 @@ namespace cryptonote
return p;
}
//---------------------------------------------------------------
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b)
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash *block_hash)
{
std::stringstream ss;
ss << b_blob;
@ -1248,9 +1271,26 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(r, false, "Failed to parse block from blob");
b.invalidate_hashes();
b.miner_tx.invalidate_hashes();
if (block_hash)
{
calculate_block_hash(b, *block_hash, &b_blob);
++block_hashes_calculated_count;
b.hash = *block_hash;
b.set_hash_valid(true);
}
return true;
}
//---------------------------------------------------------------
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b)
{
return parse_and_validate_block_from_blob(b_blob, b, NULL);
}
//---------------------------------------------------------------
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash &block_hash)
{
return parse_and_validate_block_from_blob(b_blob, b, &block_hash);
}
//---------------------------------------------------------------
blobdata block_to_blob(const block& b)
{
return t_serializable_object_to_blob(b);
@ -1286,6 +1326,7 @@ namespace cryptonote
crypto::hash get_tx_tree_hash(const block& b)
{
std::vector<crypto::hash> txs_ids;
txs_ids.reserve(1 + b.tx_hashes.size());
crypto::hash h = null_hash;
size_t bl_sz = 0;
get_transaction_hash(b.miner_tx, h, bl_sz);

4
src/cryptonote_basic/cryptonote_format_utils.h
View file

@ -114,12 +114,14 @@ namespace cryptonote
crypto::hash get_pruned_transaction_hash(const transaction& t, const crypto::hash &pruned_data_hash);
blobdata get_block_hashing_blob(const block& b);
bool calculate_block_hash(const block& b, crypto::hash& res);
bool calculate_block_hash(const block& b, crypto::hash& res, const blobdata *blob = NULL);
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);
crypto::hash get_block_longhash(const block& b, uint64_t height);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash *block_hash);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b);
bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b, crypto::hash &block_hash);
bool get_inputs_money_amount(const transaction& tx, uint64_t& money);
uint64_t get_outs_money_amount(const transaction& tx);
bool check_inputs_types_supported(const transaction& tx);