public async Task <bool> Insert(SolidityContractAggregate contract)
{
if (contract == null)
{
throw new ArgumentNullException(nameof(contract));
}
var exists = await _currentDbContext.SolidityContracts.AnyAsync(w => w.Address == contract.Address).ConfigureAwait(false);
if (exists)
{
return(false);
}
var record = new SolidityContract
{
Address = contract.Address,
Code = contract.Code,
Abi = contract.Abi
};
_currentDbContext.SolidityContracts.Add(record);
await _currentDbContext.SaveChangesAsync().ConfigureAwait(false);
return(true);
}
private void PersistSmartContract(object sender, EventArgs e)
{
if (_viewModel == null)
{
return;
}
var authenticatedWallet = WalletStore.Instance().GetAuthenticatedWallet();
if (authenticatedWallet == null)
{
MainWindowStore.Instance().DisplayError("You're not authenticated");
return;
}
if (string.IsNullOrWhiteSpace(_viewModel.TransactionId))
{
MainWindowStore.Instance().DisplayError("The transaction address must be filled in");
return;
}
if (_publishedSolidityContract == null)
{
MainWindowStore.Instance().DisplayError("The smart contract must be published");
return;
}
IEnumerable <byte> txId = null;
try
{
txId = _viewModel.TransactionId.FromHexString();
}
catch (Exception)
{
MainWindowStore.Instance().DisplayError("The transaction address is not a valid hex");
return;
}
var rpcClient = new RpcClient(authenticatedWallet.Network);
rpcClient.GetTransactionReceipt(txId).ContinueWith((r) =>
{
try
{
_publishedSolidityContract.Address = r.Result.ContractAddress;
_solidityContractsRepository.Insert(_publishedSolidityContract).ContinueWith((t) =>
{
try
{
if (t.Result)
{
Application.Current.Dispatcher.Invoke(() =>
{
_viewModel.NewSmartContractAddress = r.Result.ContractAddress;
_publishedSolidityContract = null;
MainWindowStore.Instance().DisplayMessage("The transaction has been inserted");
});
}
else
{
Application.Current.Dispatcher.Invoke(() => MainWindowStore.Instance().DisplayError("An error occured while trying to insert the smart contract"));
}
}
catch
{
Application.Current.Dispatcher.Invoke(() => MainWindowStore.Instance().DisplayError("An error occured while trying to insert the smart contract"));
}
});
}
catch (AggregateException)
{
Application.Current.Dispatcher.Invoke(() => MainWindowStore.Instance().DisplayError("An error occured while trying to insert the smart contract"));
}
});
}
private void PublishContract(object sender, EventArgs e)
{
if (_viewModel == null)
{
return;
}
var authenticatedWallet = WalletStore.Instance().GetAuthenticatedWallet();
if (authenticatedWallet == null)
{
MainWindowStore.Instance().DisplayError("You're not authenticated");
return;
}
if (string.IsNullOrWhiteSpace(_viewModel.SmartContract))
{
MainWindowStore.Instance().DisplayError("The solidity contract must be filled in");
return;
}
var rpcClient = new RpcClient(authenticatedWallet.Network);
_publishedSolidityContract = null;
rpcClient.CompileSolidity(_viewModel.SmartContract).ContinueWith((t) =>
{
try
{
var compilationResult = t.Result;
if (compilationResult.Infos == null || !compilationResult.Infos.Any())
{
return;
}
UpdateSmartContractDefinition(compilationResult);
var newKey = _walletHelper.CreateNewAddress();
var fromAddr = newKey.GetPublicKeyHashed();
var smartContractTransaction = new SmartContractTransaction
{
From = fromAddr,
Data = compilationResult.Infos.First().Code.FromHexString(),
Nonce = NonceHelper.GetNonceInt32()
};
rpcClient.SendRawTransaction(smartContractTransaction).ContinueWith((c) =>
{
Application.Current.Dispatcher.Invoke(() =>
{
_viewModel.TransactionId = c.Result;
});
_publishedSolidityContract = new SolidityContractAggregate
{
Abi = compilationResult.Infos.First().AbiDefinition.ToString(),
Code = compilationResult.Infos.First().Code
};
});
}
catch (AggregateException)
{
Application.Current.Dispatcher.Invoke(() => MainWindowStore.Instance().DisplayError("An error occured while trying to build the solidity contract"));
}
});
}