//-----------------------------------------------------------------------------------------------
bool core::check_tx_semantic(const Transaction& tx, bool keeped_by_block)
{
if(!tx.vin.size())
{
LOG_PRINT_RED_L0("tx with empty inputs, rejected for tx id= " << get_transaction_hash(tx));
return false;
}
if(!check_inputs_types_supported(tx))
{
LOG_PRINT_RED_L0("unsupported input types for tx id= " << get_transaction_hash(tx));
return false;
}
if(!check_outs_valid(tx))
{
LOG_PRINT_RED_L0("tx with invalid outputs, rejected for tx id= " << get_transaction_hash(tx));
return false;
}
if(!check_money_overflow(tx))
{
LOG_PRINT_RED_L0("tx have money overflow, rejected for tx id= " << get_transaction_hash(tx));
return false;
}
uint64_t amount_in = m_currency.getTransactionAllInputsAmount(tx);
uint64_t amount_out = get_outs_money_amount(tx);
if(amount_in <= amount_out)
{
LOG_PRINT_RED_L0("tx with wrong amounts: ins " << amount_in << ", outs " << amount_out << ", rejected for tx id= " << get_transaction_hash(tx));
return false;
}
if(!keeped_by_block && get_object_blobsize(tx) >= m_blockchain_storage.get_current_comulative_blocksize_limit() - m_currency.minerTxBlobReservedSize())
{
LOG_PRINT_RED_L0("transaction is too big " << get_object_blobsize(tx) << ", maximum allowed size is " <<
(m_blockchain_storage.get_current_comulative_blocksize_limit() - m_currency.minerTxBlobReservedSize()));
return false;
}
//check if tx use different key images
if(!check_tx_inputs_keyimages_diff(tx))
{
LOG_PRINT_RED_L0("tx has a few inputs with identical keyimages");
return false;
}
if (!checkMultisignatureInputsDiff(tx)) {
LOG_PRINT_RED_L0("tx has a few multisignature inputs with identical output indexes");
return false;
}
return true;
}
bool TransactionPrefixImpl::validateOutputs() const {
return check_outs_valid(m_txPrefix) &&
check_outs_overflow(m_txPrefix);
}