public override bool Validate()
{
if (this.contract == null)
{
throw new ContractValidateException("No contract!");
}
if (this.db_manager == null)
{
throw new ContractValidateException("No dbManager!");
}
if (this.contract.Is(AssetIssueContract.Descriptor))
{
AssetIssueContract asset_issue_contract = null;
try
{
asset_issue_contract = this.contract.Unpack <AssetIssueContract>();
}
catch (InvalidProtocolBufferException e)
{
Logger.Debug(e.Message);
throw new ContractValidateException(e.Message);
}
byte[] owner_address = asset_issue_contract.OwnerAddress.ToByteArray();
if (!Wallet.IsValidAddress(owner_address))
{
throw new ContractValidateException("Invalid ownerAddress");
}
if (!TransactionUtil.ValidAssetName(asset_issue_contract.Name.ToByteArray()))
{
throw new ContractValidateException("Invalid assetName");
}
if (this.db_manager.DynamicProperties.GetAllowSameTokenName() != 0)
{
string name = asset_issue_contract.Name.ToStringUtf8().ToLower();
if (name.Equals("tx"))
{
throw new ContractValidateException("assetName can't be tx");
}
}
int precision = asset_issue_contract.Precision;
if (precision != 0 && this.db_manager.DynamicProperties.GetAllowSameTokenName() != 0)
{
if (precision < 0 || precision > 6)
{
throw new ContractValidateException("precision cannot exceed 6");
}
}
if ((!asset_issue_contract.Abbr.IsEmpty) && !TransactionUtil.ValidAssetName(asset_issue_contract.Abbr.ToByteArray()))
{
throw new ContractValidateException("Invalid abbreviation for token");
}
if (!TransactionUtil.ValidUrl(asset_issue_contract.Url.ToByteArray()))
{
throw new ContractValidateException("Invalid url");
}
if (!TransactionUtil.ValidAssetDescription(asset_issue_contract.Description.ToByteArray()))
{
throw new ContractValidateException("Invalid description");
}
if (asset_issue_contract.StartTime == 0)
{
throw new ContractValidateException("Start time should be not empty");
}
if (asset_issue_contract.EndTime == 0)
{
throw new ContractValidateException("End time should be not empty");
}
if (asset_issue_contract.EndTime <= asset_issue_contract.StartTime)
{
throw new ContractValidateException("End time should be greater than start time");
}
if (asset_issue_contract.StartTime <= this.db_manager.GetHeadBlockTimestamp())
{
throw new ContractValidateException("Start time should be greater than HeadBlockTime");
}
if (this.db_manager.DynamicProperties.GetAllowSameTokenName() == 0 &&
this.db_manager.AssetIssue.Get(asset_issue_contract.Name.ToByteArray()) != null)
{
throw new ContractValidateException("Token exists");
}
if (asset_issue_contract.TotalSupply <= 0)
{
throw new ContractValidateException("TotalSupply must greater than 0!");
}
if (asset_issue_contract.TrxNum <= 0)
{
throw new ContractValidateException("TrxNum must greater than 0!");
}
if (asset_issue_contract.Num <= 0)
{
throw new ContractValidateException("Num must greater than 0!");
}
if (asset_issue_contract.PublicFreeAssetNetUsage != 0)
{
throw new ContractValidateException("PublicFreeAssetNetUsage must be 0!");
}
if (asset_issue_contract.FrozenSupply.Count > this.db_manager.DynamicProperties.GetMaxFrozenSupplyNumber())
{
throw new ContractValidateException("Frozen supply list length is too long");
}
if (asset_issue_contract.FreeAssetNetLimit < 0 ||
asset_issue_contract.FreeAssetNetLimit >= this.db_manager.DynamicProperties.GetOneDayNetLimit())
{
throw new ContractValidateException("Invalid FreeAssetNetLimit");
}
if (asset_issue_contract.PublicFreeAssetNetLimit < 0 ||
asset_issue_contract.PublicFreeAssetNetLimit >= this.db_manager.DynamicProperties.GetOneDayNetLimit())
{
throw new ContractValidateException("Invalid PublicFreeAssetNetLimit");
}
long remain_supply = asset_issue_contract.TotalSupply;
long min_frozen_time = this.db_manager.DynamicProperties.GetMinFrozenSupplyTime();
long max_frozen_time = this.db_manager.DynamicProperties.GetMaxFrozenSupplyTime();
foreach (AssetIssueContract.Types.FrozenSupply frozen in asset_issue_contract.FrozenSupply)
{
if (frozen.FrozenAmount <= 0)
{
throw new ContractValidateException("Frozen supply must be greater than 0!");
}
if (frozen.FrozenAmount > remain_supply)
{
throw new ContractValidateException("Frozen supply cannot exceed total supply");
}
if (!(frozen.FrozenDays >= min_frozen_time &&
frozen.FrozenDays <= max_frozen_time))
{
throw new ContractValidateException(
"frozenDuration must be less than " + max_frozen_time + " days "
+ "and more than " + min_frozen_time + " days");
}
remain_supply -= frozen.FrozenAmount;
}
AccountCapsule account = this.db_manager.Account.Get(owner_address);
if (account == null)
{
throw new ContractValidateException("Account not exists");
}
if (!account.AssetIssuedName.IsEmpty)
{
throw new ContractValidateException("An account can only issue one asset");
}
if (account.Balance < CalcFee())
{
throw new ContractValidateException("No enough balance for fee!");
}
}
else
{
throw new ContractValidateException(
"contract type error,expected type [AssetIssueContract],real type[" + contract.GetType().Name + "]");
}
return(true);
}
