/// <summary>
/// Init ethereum transaction.
/// </summary>
/// <param name="trx">Transaction data model.</param>
/// <param name="model">Transaction view model.</param>
private async Task InitializationEthereum(Transaction trx, TransactionViewModel model)
{
var merchant = await _merchantRepository.GetByUser(trx.UserId);
if (string.IsNullOrWhiteSpace(trx.Address) && !string.IsNullOrWhiteSpace(trx.XPubKey))
{
var account = await this._ethereumService.CreateAddress(trx.EtherId);
trx.Address = account.Item1;
trx.PassPhrase = account.Item2;
var foundsWithdraw = MAD.Withdraw(trx.Amount);
var foundsDeposit = MAD.Deposit(trx.Amount);
var estimateGasSize = await _ethereumService.EstimateGasSize(trx.EtherId, merchant.EthereumAddress, trx.XPubKey, foundsWithdraw.Item1, foundsWithdraw.Item2, foundsDeposit.Item1,
trx.Address, trx.PassPhrase);
trx.Fee = CurrencyConverter.WeiToEther(estimateGasSize.Value);
await this._transactionRepository.Update(trx);
}
if (!string.IsNullOrWhiteSpace(trx.Address))
{
model.ABI = this._ethereumService.GetABI();
model.Balance = CurrencyConverter.WeiToEther((await this._ethereumService.GetBalance(trx.Address)).Value).ToString();
}
model.BuyerAddress = trx.XPubKey;
model.FeeAddress = trx.Address;
model.FeeValue = trx.Fee.ToString();
}
public async Task <IActionResult> DeployContract([FromBody] ContractModel model)
{
var trx = await _transactionRepository.GetByHash(model.Hash);
var userMerchant = await _merchantRepository.GetByUser(trx.UserId);
var user = await _userManager.FindByIdAsync(trx.UserId);
if (trx == null)
{
throw new ApplicationException($"Unable to load transaction '{model.Hash}'.");
}
var contract = new Tuple <string, string>(null, null);
if (await CompareBalance(trx))
{
var foundsWithdraw = MAD.Withdraw(trx.Amount);
var foundsDeposit = MAD.Deposit(trx.Amount);
var balance = await this._ethereumService.GetBalance(trx.Address);
contract = await _ethereumService.DeployContract(trx.EtherId, userMerchant.EthereumAddress, trx.XPubKey, foundsWithdraw.Item1, foundsWithdraw.Item2, foundsDeposit.Item1,
balance, trx.Address, trx.PassPhrase);
trx.ContractAddress = contract.Item1;
trx.Status = StatusTransaction.Deployed;
var message = "Buyer has deploy contract on blockchain.";
await _transactionRepository.Update(trx);
await _logRepository.Add(trx.Id, message);
await _emailSender.SendEmailTransactionAsync(user.Email, message);
}
return(Json(new { Abi = contract.Item2, ContractAddress = contract.Item1 }));
}
/// <summary>
/// Init electrum transaction.
/// </summary>
/// <param name="trx">Transaction data model.</param>
/// <param name="model">Transaction view model.</param>
private async Task InitializationElectrum(Transaction trx, TransactionViewModel model)
{
if (trx.Status == StatusTransaction.FullDeposit && _bitcoinService.CheckInTransaction(trx.TrxDepositId, trx.RedeemScript))
{
var userMerchant = await _merchantRepository.GetByUser(trx.UserId);
var founds = MAD.Withdraw(trx.Amount);
var script = _bitcoinService.CreateOutTransactionElectrum(
trx.RedeemScript, trx.XPubKey, userMerchant.XPubKey, founds.Item1, founds.Item2);
if (script != null)
{
trx.UnconfirmedWithdrawTx = script;
trx.Status = StatusTransaction.UnconfirmedWithdraw;
model.UnconfirmedWithdrawTx = script;
await _transactionRepository.Update(trx);
}
}
}