public async Task <bool> ValidateTransactionAsync(Transaction transaction)
{
var deployedContractAddressList = await _deployedContractAddressProvider.GetDeployedContractAddressListAsync();
if (deployedContractAddressList.Value.Contains(transaction.To))
{
return(true);
}
Logger.LogError($"Invalid contract address: {transaction}");
return(false);
}
public async Task <bool> ValidateTransactionAsync(Transaction transaction)
{
// Skip if the sender is a contract.
var deployedContractAddressList =
await _deployedContractAddressProvider.GetDeployedContractAddressListAsync();
if (deployedContractAddressList.Value.Contains(transaction.From))
{
return(true);
}
// Skip if this is a system transaction.
if (IsSystemTransaction(transaction))
{
return(true);
}
var chain = await _blockchainService.GetChainAsync();
// Skip this validation at the very beginning of current chain.
if (chain.LastIrreversibleBlockHeight == Constants.GenesisBlockHeight)
{
return(true);
}
var tokenStub = _tokenContractReaderFactory.Create(new ChainContext
{
BlockHash = chain.BestChainHash,
BlockHeight = chain.BestChainHeight
});
var balance = (await tokenStub.GetBalance.CallAsync(new GetBalanceInput
{
Owner = transaction.From,
Symbol = await _primaryTokenSymbolProvider.GetPrimaryTokenSymbol()
}))?.Balance;
// balance == null means token contract hasn't deployed.
if (balance == null || balance > 0)
{
return(true);
}
Logger.LogError($"Empty balance of tx from address: {transaction}");
return(false);
}