public bool ConsumeFeeForCreateNewAccount(AccountCapsule account, TransactionTrace trace)
{
bool result = false;
long fee = this.db_manager.DynamicProperties.GetCreateAccountFee();
if (ConsumeFee(account, fee))
{
trace.SetNetBill(0, fee);
this.db_manager.DynamicProperties.AddTotalCreateAccountCost(fee);
result = true;
}
return(result);
}
private bool UseTransactionFee(AccountCapsule account, long bytes, TransactionTrace trace)
{
bool result = false;
long fee = this.db_manager.DynamicProperties.GetTransactionFee() * bytes;
if (ConsumeFee(account, fee))
{
trace.SetNetBill(0, fee);
this.db_manager.DynamicProperties.AddTotalTransactionCost(fee);
result = true;
}
return(result);
}
public override void Consume(TransactionCapsule tx, TransactionTrace tx_trace)
{
List <Contract> contracts = new List <Contract>(tx.Instance.RawData.Contract);
if (tx.ResultSize > DefineParameter.MAX_RESULT_SIZE_IN_TX * contracts.Count)
{
throw new TooBigTransactionResultException();
}
long size = 0;
if (this.db_manager.DynamicProperties.SupportVM())
{
tx.Instance.Ret.Clear();
size += tx.Instance.CalculateSize();
}
else
{
size += tx.Size;
}
foreach (Contract contract in contracts)
{
if (this.db_manager.DynamicProperties.SupportVM())
{
size += DefineParameter.MAX_RESULT_SIZE_IN_TX;
}
Logger.Debug(string.Format("tx id {0}, bandwidth cost {1}",
tx.Id,
size));
tx_trace.SetNetBill(size, 0);
byte[] address = TransactionCapsule.GetOwner(contract);
AccountCapsule account = this.db_manager.Account.Get(address);
if (account == null)
{
throw new ContractValidateException("account not exists");
}
long now = this.db_manager.WitnessController.GetHeadSlot();
if (ContractCreateNewAccount(contract))
{
ConsumeForCreateNewAccount(account, size, now, tx_trace);
continue;
}
if (contract.Type == ContractType.TransferAssetContract &&
UseAssetAccountNet(contract, account, now, size))
{
continue;
}
if (UseAccountNet(account, size, now))
{
continue;
}
if (UseFreeNet(account, size, now))
{
continue;
}
if (UseTransactionFee(account, size, tx_trace))
{
continue;
}
long fee = this.db_manager.DynamicProperties.GetTransactionFee() * size;
throw new AccountResourceInsufficientException(
"Account Insufficient bandwidth[" + size + "] and balance[" + fee + "] to create new account");
}
}