public BuildCreateContractTransactionResponse BuildCreateTx(BuildCreateContractTransactionRequest request)
{
AddressBalance addressBalance = this.walletManager.GetAddressBalance(request.Sender);
if (addressBalance.AmountConfirmed == 0 && addressBalance.AmountUnconfirmed == 0)
{
return(BuildCreateContractTransactionResponse.Failed(SenderNoBalanceError));
}
var selectedInputs = new List <OutPoint>();
selectedInputs = this.walletManager.GetSpendableInputsForAddress(request.WalletName, request.Sender);
ContractTxData txData;
if (request.Parameters != null && request.Parameters.Any())
{
try
{
object[] methodParameters = this.methodParameterStringSerializer.Deserialize(request.Parameters);
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Gas)request.GasPrice, (Gas)request.GasLimit, request.ContractCode.HexToByteArray(), methodParameters);
}
catch (MethodParameterStringSerializerException exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
else
{
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Gas)request.GasPrice, (Gas)request.GasLimit, request.ContractCode.HexToByteArray());
}
HdAddress senderAddress = null;
if (!string.IsNullOrWhiteSpace(request.Sender))
{
Features.Wallet.Wallet wallet = this.walletManager.GetWallet(request.WalletName);
HdAccount account = wallet.GetAccountByCoinType(request.AccountName, this.coinType);
if (account == null)
{
return(BuildCreateContractTransactionResponse.Failed($"No account with the name '{request.AccountName}' could be found."));
}
senderAddress = account.GetCombinedAddresses().FirstOrDefault(x => x.Address == request.Sender);
}
ulong totalFee = (request.GasPrice * request.GasLimit) + Money.Parse(request.FeeAmount);
var walletAccountReference = new WalletAccountReference(request.WalletName, request.AccountName);
byte[] serializedTxData = this.callDataSerializer.Serialize(txData);
Result <ContractTxData> deserialized = this.callDataSerializer.Deserialize(serializedTxData);
// We also want to ensure we're sending valid data: AKA it can be deserialized.
if (deserialized.IsFailure)
{
return(BuildCreateContractTransactionResponse.Failed("Invalid data. If network requires code signing, check the code contains a signature."));
}
// HACK
// If requiring a signature, also check the signature.
if (this.network is ISignedCodePubKeyHolder holder)
{
var signedTxData = (SignedCodeContractTxData)deserialized.Value;
bool validSig = new ContractSigner().Verify(holder.SigningContractPubKey, signedTxData.ContractExecutionCode, signedTxData.CodeSignature);
if (!validSig)
{
return(BuildCreateContractTransactionResponse.Failed("Signature in code does not come from required signing key."));
}
}
var recipient = new Recipient {
Amount = request.Amount ?? "0", ScriptPubKey = new Script(serializedTxData)
};
var context = new TransactionBuildContext(this.network)
{
AccountReference = walletAccountReference,
TransactionFee = totalFee,
ChangeAddress = senderAddress,
SelectedInputs = selectedInputs,
MinConfirmations = MinConfirmationsAllChecks,
WalletPassword = request.Password,
Recipients = new[] { recipient }.ToList()
};
try
{
Transaction transaction = this.walletTransactionHandler.BuildTransaction(context);
uint160 contractAddress = this.addressGenerator.GenerateAddress(transaction.GetHash(), 0);
return(BuildCreateContractTransactionResponse.Succeeded(transaction, context.TransactionFee, contractAddress.ToBase58Address(this.network)));
}
catch (Exception exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
public BuildCreateContractTransactionResponse BuildCreateTx(BuildCreateContractTransactionRequest request)
{
if (!this.CheckBalance(request.Sender))
{
return(BuildCreateContractTransactionResponse.Failed(SenderNoBalanceError));
}
List <OutPoint> selectedInputs = this.SelectInputs(request.WalletName, request.Sender, request.Outpoints);
if (!selectedInputs.Any())
{
return(BuildCreateContractTransactionResponse.Failed("Invalid list of request outpoints have been passed to the method. Please ensure that the outpoints are spendable by the sender address"));
}
ContractTxData txData;
if (request.Parameters != null && request.Parameters.Any())
{
try
{
object[] methodParameters = this.methodParameterStringSerializer.Deserialize(request.Parameters);
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Stratis.SmartContracts.RuntimeObserver.Gas)request.GasPrice, (Stratis.SmartContracts.RuntimeObserver.Gas)request.GasLimit, request.ContractCode.HexToByteArray(), methodParameters);
}
catch (MethodParameterStringSerializerException exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
else
{
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Stratis.SmartContracts.RuntimeObserver.Gas)request.GasPrice, (Stratis.SmartContracts.RuntimeObserver.Gas)request.GasLimit, request.ContractCode.HexToByteArray());
}
HdAddress senderAddress = null;
if (!string.IsNullOrWhiteSpace(request.Sender))
{
Features.Wallet.Wallet wallet = this.walletManager.GetWallet(request.WalletName);
HdAccount account = wallet.GetAccount(request.AccountName);
if (account == null)
{
return(BuildCreateContractTransactionResponse.Failed($"No account with the name '{request.AccountName}' could be found."));
}
senderAddress = account.GetCombinedAddresses().FirstOrDefault(x => x.Address == request.Sender);
}
ulong totalFee = (request.GasPrice * request.GasLimit) + Money.Parse(request.FeeAmount);
var walletAccountReference = new WalletAccountReference(request.WalletName, request.AccountName);
byte[] serializedTxData = this.callDataSerializer.Serialize(txData);
Result <ContractTxData> deserialized = this.callDataSerializer.Deserialize(serializedTxData);
// We also want to ensure we're sending valid data: AKA it can be deserialized.
if (deserialized.IsFailure)
{
return(BuildCreateContractTransactionResponse.Failed("Invalid data. If network requires code signing, check the code contains a signature."));
}
var recipient = new Recipient {
Amount = request.Amount ?? "0", ScriptPubKey = new Script(serializedTxData)
};
var context = new TransactionBuildContext(this.network)
{
AccountReference = walletAccountReference,
TransactionFee = totalFee,
ChangeAddress = senderAddress,
SelectedInputs = selectedInputs,
MinConfirmations = MinConfirmationsAllChecks,
WalletPassword = request.Password,
Recipients = new[] { recipient }.ToList()
};
try
{
Transaction transaction = this.walletTransactionHandler.BuildTransaction(context);
uint160 contractAddress = this.addressGenerator.GenerateAddress(transaction.GetHash(), 0);
return(BuildCreateContractTransactionResponse.Succeeded(transaction, context.TransactionFee, contractAddress.ToBase58Address(this.network)));
}
catch (Exception exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
public BuildCreateContractTransactionResponse BuildCreateTx(BuildCreateContractTransactionRequest request)
{
AddressBalance addressBalance = this.walletManager.GetAddressBalance(request.Sender);
if (addressBalance.AmountConfirmed == 0 && addressBalance.AmountUnconfirmed == 0)
{
return(BuildCreateContractTransactionResponse.Failed(SenderNoBalanceError));
}
var selectedInputs = new List <OutPoint>();
selectedInputs = this.walletManager.GetSpendableInputsForAddress(request.WalletName, request.Sender);
ContractTxData txData;
if (request.Parameters != null && request.Parameters.Any())
{
try
{
var methodParameters = this.methodParameterStringSerializer.Deserialize(request.Parameters);
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Gas)request.GasPrice, (Gas)request.GasLimit, request.ContractCode.HexToByteArray(), methodParameters);
}
catch (MethodParameterStringSerializerException exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
else
{
txData = new ContractTxData(ReflectionVirtualMachine.VmVersion, (Gas)request.GasPrice, (Gas)request.GasLimit, request.ContractCode.HexToByteArray());
}
HdAddress senderAddress = null;
if (!string.IsNullOrWhiteSpace(request.Sender))
{
Features.Wallet.Wallet wallet = this.walletManager.GetWallet(request.WalletName);
HdAccount account = wallet.GetAccountByCoinType(request.AccountName, this.coinType);
senderAddress = account.GetCombinedAddresses().FirstOrDefault(x => x.Address == request.Sender);
}
ulong totalFee = (request.GasPrice * request.GasLimit) + Money.Parse(request.FeeAmount);
var walletAccountReference = new WalletAccountReference(request.WalletName, request.AccountName);
var recipient = new Recipient {
Amount = request.Amount ?? "0", ScriptPubKey = new Script(this.callDataSerializer.Serialize(txData))
};
var context = new TransactionBuildContext(this.network)
{
AccountReference = walletAccountReference,
TransactionFee = totalFee,
ChangeAddress = senderAddress,
SelectedInputs = selectedInputs,
MinConfirmations = MinConfirmationsAllChecks,
WalletPassword = request.Password,
Recipients = new[] { recipient }.ToList()
};
try
{
Transaction transaction = this.walletTransactionHandler.BuildTransaction(context);
uint160 contractAddress = this.addressGenerator.GenerateAddress(transaction.GetHash(), 0);
return(BuildCreateContractTransactionResponse.Succeeded(transaction, context.TransactionFee, contractAddress.ToBase58Address(this.network)));
}
catch (Exception exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
private BuildCreateContractTransactionResponse BuildCreateTx(BuildCreateContractTransactionRequest request)
{
this.logger.LogTrace(request.ToString());
AddressBalance addressBalance = this.walletManager.GetAddressBalance(request.Sender);
if (addressBalance.AmountConfirmed == 0)
{
return(BuildCreateContractTransactionResponse.Failed($"The 'Sender' address you're trying to spend from doesn't have a confirmed balance. Current unconfirmed balance: {addressBalance.AmountUnconfirmed}. Please check the 'Sender' address."));
}
var selectedInputs = new List <OutPoint>();
selectedInputs = this.walletManager.GetSpendableTransactionsInWallet(request.WalletName, MinConfirmationsAllChecks).Where(x => x.Address.Address == request.Sender).Select(x => x.ToOutPoint()).ToList();
ulong gasPrice = ulong.Parse(request.GasPrice);
ulong gasLimit = ulong.Parse(request.GasLimit);
SmartContractCarrier carrier;
if (request.Parameters != null && request.Parameters.Any())
{
carrier = SmartContractCarrier.CreateContract(ReflectionVirtualMachine.VmVersion, request.ContractCode.HexToByteArray(), gasPrice, new Gas(gasLimit), request.Parameters);
}
else
{
carrier = SmartContractCarrier.CreateContract(ReflectionVirtualMachine.VmVersion, request.ContractCode.HexToByteArray(), gasPrice, new Gas(gasLimit));
}
HdAddress senderAddress = null;
if (!string.IsNullOrWhiteSpace(request.Sender))
{
Features.Wallet.Wallet wallet = this.walletManager.GetWallet(request.WalletName);
HdAccount account = wallet.GetAccountByCoinType(request.AccountName, this.coinType);
senderAddress = account.GetCombinedAddresses().FirstOrDefault(x => x.Address == request.Sender);
}
ulong totalFee = (gasPrice * gasLimit) + Money.Parse(request.FeeAmount);
var walletAccountReference = new WalletAccountReference(request.WalletName, request.AccountName);
var recipient = new Recipient {
Amount = request.Amount ?? "0", ScriptPubKey = new Script(carrier.Serialize())
};
var context = new TransactionBuildContext(this.network)
{
AccountReference = walletAccountReference,
TransactionFee = totalFee,
ChangeAddress = senderAddress,
SelectedInputs = selectedInputs,
MinConfirmations = MinConfirmationsAllChecks,
WalletPassword = request.Password,
Recipients = new[] { recipient }.ToList()
};
try
{
Transaction transaction = this.walletTransactionHandler.BuildTransaction(context);
uint160 contractAddress = this.addressGenerator.GenerateAddress(transaction.GetHash(), 0);
return(BuildCreateContractTransactionResponse.Succeeded(transaction, context.TransactionFee, contractAddress.ToAddress(this.network)));
}
catch (Exception exception)
{
return(BuildCreateContractTransactionResponse.Failed(exception.Message));
}
}
public BuildCreateContractTransactionResponse CreateSuccessfulBuildCreateContractTransactionResponse()
{
var transaction = CreateEmpty();
return(BuildCreateContractTransactionResponse.Succeeded(transaction, new Money(500_000_000), "tNuiVJiEhvbQgXu4P32S4TnAVEG3kgLnu8"));
}