public async Task <IActionResult> Create(TicketContractCreateRequest ticketContractCreateRequest)
{
// check connections
if (!_connectionManager.ConnectedPeers.Any())
{
_logger.LogTrace("No connected peers");
return(StatusCode(StatusCodes.Status403Forbidden, "Can't send transaction as the node requires at least one connection."));
}
var seatsBytes = _serializer.Serialize(ticketContractCreateRequest.Seats);
var seatsParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(seatsBytes)}";
var venueParameter = $"{Serialization.TypeIdentifiers[typeof(string)]}#{ticketContractCreateRequest.Venue}";
// build transaction
var createTxResponse = _smartContractTransactionService.BuildCreateTx(new BuildCreateContractTransactionRequest
{
AccountName = ticketContractCreateRequest.AccountName,
Amount = "0",
ContractCode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FeeAmount = "0",
GasLimit = SmartContractFormatLogic.GasLimitMaximum,
GasPrice = ticketContractCreateRequest.GasPrice,
Outpoints = ticketContractCreateRequest.Outpoints,
Parameters = new string[] { seatsParameter, venueParameter },
Password = ticketContractCreateRequest.Password,
Sender = ticketContractCreateRequest.Sender,
WalletName = ticketContractCreateRequest.WalletName,
});
if (!createTxResponse.Success)
{
return(StatusCode(StatusCodes.Status400BadRequest, createTxResponse.Message));
}
// broadcast transaction
var transaction = _network.CreateTransaction(createTxResponse.Hex);
await _broadcasterManager.BroadcastTransactionAsync(transaction);
var transactionBroadCastEntry = _broadcasterManager.GetTransaction(transaction.GetHash()); // check if transaction was added to mempool
if (transactionBroadCastEntry?.State == Stratis.Bitcoin.Features.Wallet.Broadcasting.State.CantBroadcast)
{
_logger.LogError("Exception occurred: {0}", transactionBroadCastEntry.ErrorMessage);
return(StatusCode(StatusCodes.Status500InternalServerError, transactionBroadCastEntry.ErrorMessage));
}
var transactionHash = transaction.GetHash().ToString();
return(Created($"/api/smartContracts/receipt?txHash={transactionHash}", transactionHash));
}
public async Task <IActionResult> ReleaseTicket(string address, ReleaseTicketRequest releaseTicketRequest)
{
// validate address
if (!AddressParser.IsValidAddress(address, _network))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid address {address}"));
}
// check contract exists
var numericAddress = address.ToUint160(_network);
if (!_stateRepositoryRoot.IsExist(numericAddress))
{
return(StatusCode(StatusCodes.Status404NotFound, $"No smart contract found at address {address}"));
}
// check for state of ticket
var ticket = FindTicket(numericAddress, releaseTicketRequest.Seat);
if (ticket.Equals(default(Ticket)))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid seat {releaseTicketRequest.Seat.ToDisplayString()}"));
}
// check state of contract
if (!HasOpenSale(numericAddress))
{
return(StatusCode(StatusCodes.Status409Conflict, "Sale is not currently open"));
}
if (!IsRefundAvailable(numericAddress))
{
return(StatusCode(StatusCodes.Status409Conflict, "Ticket release is no longer available"));
}
// verify ownership
if (ticket.Address == Address.Zero || ticket.Address != releaseTicketRequest.Sender.ToAddress(_network))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Ticket for seat {releaseTicketRequest.Seat.ToDisplayString()} not owned by {releaseTicketRequest.Sender}"));
}
// check connections
if (!_connectionManager.ConnectedPeers.Any())
{
_logger.LogTrace("No connected peers");
return(StatusCode(StatusCodes.Status403Forbidden, "Can't send transaction as the node requires at least one connection."));
}
var seatBytes = _serializer.Serialize(releaseTicketRequest.Seat);
var seatParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(seatBytes)}";
// build transaction
var callTxResponse = _smartContractTransactionService.BuildCallTx(new BuildCallContractTransactionRequest
{
AccountName = releaseTicketRequest.AccountName,
Amount = "0",
ContractAddress = address,
FeeAmount = "0",
GasLimit = SmartContractFormatLogic.GasLimitMaximum,
GasPrice = releaseTicketRequest.GasPrice,
MethodName = nameof(TicketContract.ReleaseTicket),
Outpoints = releaseTicketRequest.Outpoints,
Parameters = new string[] { seatParameter },
Password = releaseTicketRequest.Password,
Sender = releaseTicketRequest.Sender,
WalletName = releaseTicketRequest.WalletName,
});
if (!callTxResponse.Success)
{
return(StatusCode(StatusCodes.Status400BadRequest, callTxResponse.Message));
}
// broadcast transaction
var transaction = _network.CreateTransaction(callTxResponse.Hex);
await _broadcasterManager.BroadcastTransactionAsync(transaction);
var transactionBroadCastEntry = _broadcasterManager.GetTransaction(transaction.GetHash()); // check if transaction was added to mempool
if (transactionBroadCastEntry?.State == Stratis.Bitcoin.Features.Wallet.Broadcasting.State.CantBroadcast)
{
_logger.LogError("Exception occurred: {0}", transactionBroadCastEntry.ErrorMessage);
return(StatusCode(StatusCodes.Status500InternalServerError, transactionBroadCastEntry.ErrorMessage));
}
var transactionHash = transaction.GetHash().ToString();
return(Created($"/api/smartContracts/receipt?txHash={transactionHash}", transactionHash));
}
public async Task <IActionResult> BeginSale(string address, BeginSaleRequest beginSaleRequest)
{
// validate address
if (!AddressParser.IsValidAddress(address, _network))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid address {address}"));
}
// check end of sale is in future
if (beginSaleRequest.Details.EndOfSale <= (ulong)_consensusManager.Tip.Height)
{
return(StatusCode(StatusCodes.Status400BadRequest, $"End of sale must be in the future. Consensus height is at {_consensusManager.Tip.Height}"));
}
// check contract exists
var numericAddress = address.ToUint160(_network);
if (!_stateRepositoryRoot.IsExist(numericAddress))
{
return(StatusCode(StatusCodes.Status404NotFound, $"No smart contract found at address {address}"));
}
if (HasActiveSale(numericAddress))
{
return(StatusCode(StatusCodes.Status409Conflict, "Sale is currently active"));
}
// check connections
if (!_connectionManager.ConnectedPeers.Any())
{
_logger.LogTrace("No connected peers");
return(StatusCode(StatusCodes.Status403Forbidden, "Can't send transaction as the node requires at least one connection."));
}
// retrieve tickets
var serializedTickets = _stateRepositoryRoot.GetStorageValue(numericAddress, _serializer.Serialize(nameof(TicketContract.Tickets)));
var tickets = _serializer.ToArray <Ticket>(serializedTickets);
if (beginSaleRequest.SeatPrices.Length != tickets.Length)
{
return(StatusCode(StatusCodes.Status400BadRequest, "Must supply prices for all seats"));
}
foreach (var seatPrice in beginSaleRequest.SeatPrices)
{
for (int i = 0; i < tickets.Length; i++)
{
if (tickets[i].Seat.Equals(seatPrice.Seat))
{
tickets[i].Price = seatPrice.Price;
}
}
}
var ticketsParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(_serializer.Serialize(tickets))}";
var showNameParameter = $"{Serialization.TypeIdentifiers[typeof(string)]}#{beginSaleRequest.Details.Name}";
var organiserParameter = $"{Serialization.TypeIdentifiers[typeof(string)]}#{beginSaleRequest.Details.Organiser}";
var timeParameter = $"{Serialization.TypeIdentifiers[typeof(ulong)]}#{beginSaleRequest.Details.Time}";
var endOfSaleParameter = $"{Serialization.TypeIdentifiers[typeof(ulong)]}#{beginSaleRequest.Details.EndOfSale}";
// build transaction
var callTxResponse = _smartContractTransactionService.BuildCallTx(new BuildCallContractTransactionRequest
{
AccountName = beginSaleRequest.AccountName,
Amount = "0",
ContractAddress = address,
FeeAmount = "0",
GasLimit = SmartContractFormatLogic.GasLimitMaximum,
GasPrice = beginSaleRequest.GasPrice,
MethodName = nameof(TicketContract.BeginSale),
Outpoints = beginSaleRequest.Outpoints,
Parameters = new string[] { ticketsParameter, showNameParameter, organiserParameter, timeParameter, endOfSaleParameter },
Password = beginSaleRequest.Password,
Sender = beginSaleRequest.Sender,
WalletName = beginSaleRequest.WalletName,
});
if (!callTxResponse.Success)
{
return(StatusCode(StatusCodes.Status400BadRequest, callTxResponse.Message));
}
// broadcast transaction
var transaction = _network.CreateTransaction(callTxResponse.Hex);
await _broadcasterManager.BroadcastTransactionAsync(transaction);
var transactionBroadCastEntry = _broadcasterManager.GetTransaction(transaction.GetHash()); // check if transaction was added to mempool
if (transactionBroadCastEntry?.State == Stratis.Bitcoin.Features.Wallet.Broadcasting.State.CantBroadcast)
{
_logger.LogError("Exception occurred: {0}", transactionBroadCastEntry.ErrorMessage);
return(StatusCode(StatusCodes.Status500InternalServerError, transactionBroadCastEntry.ErrorMessage));
}
var transactionHash = transaction.GetHash().ToString();
return(Created($"/api/smartContracts/receipt?txHash={transactionHash}", transactionHash));
}
public async Task <IActionResult> ReserveTicket(string address, ReserveTicketRequest reserveTicketRequest)
{
// validate address
if (!AddressParser.IsValidAddress(address, _network))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid address {address}"));
}
// check contract exists
var numericAddress = address.ToUint160(_network);
if (!_stateRepositoryRoot.IsExist(numericAddress))
{
return(StatusCode(StatusCodes.Status404NotFound, $"No smart contract found at address {address}"));
}
// check for state of ticket
var ticket = FindTicket(numericAddress, reserveTicketRequest.Seat);
if (ticket.Equals(default(Ticket)))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid seat {reserveTicketRequest.Seat.ToDisplayString()}"));
}
// check contract state
if (!HasOpenSale(numericAddress))
{
return(StatusCode(StatusCodes.Status409Conflict, "Sale is not currently open"));
}
if (ticket.Address != Address.Zero)
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Ticket for seat {reserveTicketRequest.Seat.ToDisplayString()} not available to purchase"));
}
var requiresIdentityVerification = RetrieveIdentityVerificationPolicy(numericAddress);
if (requiresIdentityVerification && string.IsNullOrWhiteSpace(reserveTicketRequest.CustomerName))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Customer name is required"));
}
// check connections
if (!_connectionManager.ConnectedPeers.Any())
{
_logger.LogTrace("No connected peers");
return(StatusCode(StatusCodes.Status403Forbidden, "Can't send transaction as the node requires at least one connection."));
}
var seatBytes = _serializer.Serialize(reserveTicketRequest.Seat);
var seatParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(seatBytes)}";
var secret = _stringGenerator.CreateUniqueString(15);
CbcResult secretCipherResult;
using (var cipherProvider = _cipherFactory.CreateCbcProvider())
{
secretCipherResult = cipherProvider.Encrypt(secret);
}
var secretParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(secretCipherResult.Cipher)}";
CbcResult customerNameCipherResult = null;
string customerNameParameter = null;
if (requiresIdentityVerification)
{
using (var cipherProvider = _cipherFactory.CreateCbcProvider())
{
customerNameCipherResult = cipherProvider.Encrypt(reserveTicketRequest.CustomerName);
}
customerNameParameter = $"{Serialization.TypeIdentifiers[typeof(byte[])]}#{Serialization.ByteArrayToHex(customerNameCipherResult.Cipher)}";
}
// build transaction
var parameterList = new List <string> {
seatParameter, secretParameter
};
if (customerNameParameter != null)
{
parameterList.Add(customerNameParameter);
}
var callTxResponse = _smartContractTransactionService.BuildCallTx(new BuildCallContractTransactionRequest
{
AccountName = reserveTicketRequest.AccountName,
Amount = StratoshisToStrats(ticket.Price),
ContractAddress = address,
FeeAmount = "0",
GasLimit = SmartContractFormatLogic.GasLimitMaximum,
GasPrice = reserveTicketRequest.GasPrice,
MethodName = nameof(TicketContract.Reserve),
Outpoints = reserveTicketRequest.Outpoints,
Parameters = parameterList.ToArray(),
Password = reserveTicketRequest.Password,
Sender = reserveTicketRequest.Sender,
WalletName = reserveTicketRequest.WalletName,
});
if (!callTxResponse.Success)
{
return(StatusCode(StatusCodes.Status400BadRequest, callTxResponse.Message));
}
// broadcast transaction
var transaction = _network.CreateTransaction(callTxResponse.Hex);
await _broadcasterManager.BroadcastTransactionAsync(transaction);
var transactionBroadCastEntry = _broadcasterManager.GetTransaction(transaction.GetHash()); // check if transaction was added to mempool
if (transactionBroadCastEntry?.State == Stratis.Bitcoin.Features.Wallet.Broadcasting.State.CantBroadcast)
{
_logger.LogError("Exception occurred: {0}", transactionBroadCastEntry.ErrorMessage);
return(StatusCode(StatusCodes.Status500InternalServerError, transactionBroadCastEntry.ErrorMessage));
}
var transactionHash = transaction.GetHash().ToString();
var cbcSecretValues = new CbcSecret
{
Plaintext = secret,
Key = secretCipherResult.Key,
IV = secretCipherResult.IV
};
var cbcCustomerValues = requiresIdentityVerification
? new CbcValues
{
Key = customerNameCipherResult.Key,
IV = customerNameCipherResult.IV
}
: null;
return(Created(
$"/api/smartContracts/receipt?txHash={transactionHash}",
new TicketReservationDetailsResponse
{
TransactionHash = transactionHash,
Secret = cbcSecretValues,
CustomerName = cbcCustomerValues
}));
}