public override bool Execute(TransactionResultCapsule result)
{
long fee = CalcFee();
try
{
ExchangeTransactionContract exchage_tx_contract = this.contract.Unpack <ExchangeTransactionContract>();
AccountCapsule account = this.db_manager.Account.Get(exchage_tx_contract.OwnerAddress.ToByteArray());
ExchangeCapsule exchange = this.db_manager.ExchangeFinal.Get(BitConverter.GetBytes(exchage_tx_contract.ExchangeId));
byte[] first_token_id = exchange.FirstTokenId.ToByteArray();
byte[] second_token_id = exchange.SecondTokenId.ToByteArray();
byte[] token_id = exchage_tx_contract.TokenId.ToByteArray();
long token_quantity = exchage_tx_contract.Quant;
byte[] other_token_id = null;
long other_token_quantity = exchange.Transaction(token_id, token_quantity);
other_token_id = token_id.SequenceEqual(first_token_id) ? second_token_id : first_token_id;
long new_balance = account.Balance - CalcFee();
account.Balance = new_balance;
if (token_id.SequenceEqual(COMPARE_CHARICTOR))
{
account.Balance = new_balance - token_quantity;
}
else
{
account.ReduceAssetAmountV2(token_id, token_quantity, this.db_manager);
}
if (other_token_id.SequenceEqual(COMPARE_CHARICTOR))
{
account.Balance = new_balance + other_token_quantity;
}
else
{
account.AddAssetAmountV2(other_token_id, other_token_quantity, this.db_manager);
}
this.db_manager.Account.Put(account.CreateDatabaseKey(), account);
this.db_manager.PutExchangeCapsule(exchange);
result.ExchangeReceivedAmount = other_token_quantity;
result.SetStatus(fee, code.Sucess);
}
catch (ItemNotFoundException e)
{
Logger.Debug(e.Message);
result.SetStatus(fee, code.Failed);
throw new ContractExeException(e.Message);
}
catch (InvalidProtocolBufferException e)
{
Logger.Debug(e.Message);
result.SetStatus(fee, code.Failed);
throw new ContractExeException(e.Message);
}
return(true);
}
public async Task <TransactionExtention> ExchangeTransaction(ExchangeTransactionContract contract)
{
return(await _grpcClient.ExchangeTransactionAsync(contract));
}
