initial [broken] update

This commit is contained in:
mydesktop
2014-05-03 12:19:43 -04:00
parent 0f42b2eba6
commit 333f975760
38 changed files with 849 additions and 232 deletions
+54 -9
View File
@@ -582,6 +582,42 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
if (!m_tx_pool.fill_block_template(b, median_size, already_generated_coins, txs_size, fee)) {
return false;
}
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
size_t real_txs_size = 0;
uint64_t real_fee = 0;
CRITICAL_REGION_BEGIN(m_tx_pool.m_transactions_lock);
BOOST_FOREACH(crypto::hash &cur_hash, b.tx_hashes) {
auto cur_res = m_tx_pool.m_transactions.find(cur_hash);
if (cur_res == m_tx_pool.m_transactions.end()) {
LOG_ERROR("Creating block template: error: transaction not found");
continue;
}
tx_memory_pool::tx_details &cur_tx = cur_res->second;
real_txs_size += cur_tx.blob_size;
real_fee += cur_tx.fee;
if (cur_tx.blob_size != get_object_blobsize(cur_tx.tx)) {
LOG_ERROR("Creating block template: error: invalid transaction size");
}
uint64_t inputs_amount;
if (!get_inputs_money_amount(cur_tx.tx, inputs_amount)) {
LOG_ERROR("Creating block template: error: cannot get inputs amount");
} else if (cur_tx.fee != inputs_amount - get_outs_money_amount(cur_tx.tx)) {
LOG_ERROR("Creating block template: error: invalid fee");
}
}
if (txs_size != real_txs_size) {
LOG_ERROR("Creating block template: error: wrongly calculated transaction size");
}
if (fee != real_fee) {
LOG_ERROR("Creating block template: error: wrongly calculated fee");
}
CRITICAL_REGION_END();
LOG_PRINT_L1("Creating block template: height " << height <<
", median size " << median_size <<
", already generated coins " << already_generated_coins <<
", transaction size " << txs_size <<
", fee " << fee);
#endif
/*
two-phase miner transaction generation: we don't know exact block size until we prepare block, but we don't know reward until we know
@@ -590,27 +626,32 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
//make blocks coin-base tx looks close to real coinbase tx to get truthful blob size
bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, first chance");
#ifdef _DEBUG
std::list<size_t> try_val;
try_val.push_back(get_object_blobsize(b.miner_tx));
#endif
size_t cumulative_size = txs_size + get_object_blobsize(b.miner_tx);
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
LOG_PRINT_L1("Creating block template: miner tx size " << get_object_blobsize(b.miner_tx) <<
", cumulative size " << cumulative_size);
#endif
for (size_t try_count = 0; try_count != 10; ++try_count) {
r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
#ifdef _DEBUG
try_val.push_back(get_object_blobsize(b.miner_tx));
#endif
CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, second chance");
size_t coinbase_blob_size = get_object_blobsize(b.miner_tx);
if (coinbase_blob_size > cumulative_size - txs_size) {
cumulative_size = txs_size + coinbase_blob_size;
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
", cumulative size " << cumulative_size << " is greater then before");
#endif
continue;
}
if (coinbase_blob_size < cumulative_size - txs_size) {
size_t delta = cumulative_size - txs_size - coinbase_blob_size;
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
", cumulative size " << txs_size + coinbase_blob_size <<
" is less then before, adding " << delta << " zero bytes");
#endif
b.miner_tx.extra.insert(b.miner_tx.extra.end(), delta, 0);
//here could be 1 byte difference, because of extra field counter is varint, and it can become from 1-byte len to 2-bytes len.
if (cumulative_size != txs_size + get_object_blobsize(b.miner_tx)) {
@@ -626,6 +667,10 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
}
}
CHECK_AND_ASSERT_MES(cumulative_size == txs_size + get_object_blobsize(b.miner_tx), false, "unexpected case: cumulative_size=" << cumulative_size << " is not equal txs_cumulative_size=" << txs_size << " + get_object_blobsize(b.miner_tx)=" << get_object_blobsize(b.miner_tx));
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
", cumulative size " << cumulative_size << " is now good");
#endif
return true;
}
LOG_ERROR("Failed to create_block_template with " << 10 << " tries");
@@ -1603,4 +1648,4 @@ bool blockchain_storage::add_new_block(const block& bl_, block_verification_cont
}
return handle_block_to_main_chain(bl, id, bvc);
}
}