public async Task <IActionResult> CheckIfCanSweepNow(SweepFundsViewModel viewModel, string command,
bool leaveActiveInvoice = false)
{
var web3 = _ethereumService.GetWeb3(viewModel.ChainId);
if (web3 == null)
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Message = $"Web3 not available", Severity = StatusMessageModel.StatusSeverity.Error
});
return(RedirectToAction("GetStoreEthereumLikePaymentMethods", new { storeId = StoreData.Id }));
}
viewModel.GasPrice ??= (ulong)(await web3.Eth.GasPrice.SendRequestAsync()).Value;
viewModel.SweepRequests = viewModel.SweepRequests
.Where(request =>
leaveActiveInvoice ||
string.IsNullOrEmpty(request.UnableToSweepBecauseOfActiveInvoiceWithNativeCurrency))
.OrderByDescending(request => request.Sufficient(viewModel.GasPrice.Value, out var excess)
).ToList();
var networks = _btcPayNetworkProvider.GetAll().OfType <EthereumBTCPayNetwork>()
.Where(network => network.ChainId == viewModel.ChainId);
var mainNetwork = networks.SingleOrDefault(network => !(network is ERC20BTCPayNetwork));
var etherTransferService = web3.Eth.GetEtherTransferService();
var transferHandler = web3.Eth.GetContractTransactionHandler <TransferFunction>();
foreach (var sweepRequest in viewModel.SweepRequests)
{
sweepRequest.Native ??= new SweepRequestItem()
{
Sweep = true, CryptoCode = mainNetwork.CryptoCode,
};
var amt = (await _ethereumService.GetBalance(mainNetwork, sweepRequest.Address)).Value;
sweepRequest.Native.Amount = amt;
sweepRequest.Native.GasCost = amt == 0
? 0
: (ulong)await etherTransferService.EstimateGasAsync(viewModel.DestinationAddress,
EthereumLikePaymentData.GetValue(mainNetwork, amt));
foreach (SweepRequestItem sweepRequestItem in sweepRequest.Tokens)
{
var network = _btcPayNetworkProvider.GetNetwork <ERC20BTCPayNetwork>(sweepRequestItem.CryptoCode);
sweepRequestItem.Amount = (await _ethereumService.GetBalance(network, sweepRequest.Address)).Value;
if (sweepRequestItem.Amount == 0 && string.IsNullOrEmpty(sweepRequestItem.TransactionHash))
{
sweepRequestItem.TransactionHash = "external sweep detected";
var i = await _invoiceRepository.GetInvoice(sweepRequestItem.InvoiceId);
var pD = i.GetPayments(network.CryptoCode).Last(entity => entity.Accounted);
var ethpd = pD.GetCryptoPaymentData() as EthereumLikePaymentData;
ethpd.SweepingTransaction = sweepRequestItem.TransactionHash;
pD.SetCryptoPaymentData(ethpd);
await _invoiceRepository.UpdatePayments(new List <PaymentEntity>() { pD });
}
var transfer = new TransferFunction()
{
To = viewModel.DestinationAddress,
Value = sweepRequestItem.Amount,
FromAddress = sweepRequest.Address
};
sweepRequestItem.GasCost =
(ulong)(await transferHandler.EstimateGasAsync(network.SmartContractAddress,
transfer))
.Value;
}
sweepRequest.Tokens = sweepRequest.Tokens.Where(item => item.Amount > 0).ToList();
}
if (command == "sweep")
{
if (await DoSweepAction(viewModel, web3))
{
return(await CheckIfCanSweepNow(viewModel, null));
}
}
return(View("SweepFundsSpecifyInfo", viewModel));
}
