internal TransactionBuilder(Account sourceAccount, KeyPair baseKeyPair, KeyPair channelKeyPair = null)
{
_transactionBuilder = new Transaction.Builder(sourceAccount);
_baseKeyPair = baseKeyPair;
_channelKeyPair = channelKeyPair;
_operations = new List <Operation>();
}
public async Task <IActionResult> Send(string issuerSeed, string receiverSeed, string amount)
{
Network.UseTestNetwork();
Server server = new Server("https://horizon-testnet.stellar.org");
KeyPair issuingKeys = KeyPair.FromSecretSeed(issuerSeed);
KeyPair receivingKeys = KeyPair.FromSecretSeed(receiverSeed);
Asset eCoin = Asset.CreateNonNativeAsset("eCoin", issuingKeys.Address);
AccountResponse issuing = await server.Accounts.Account(issuingKeys.Address);
Transaction sendECoin = new Transaction.Builder(issuing)
.AddOperation(
new PaymentOperation.Builder(receivingKeys, eCoin, amount).Build())
.Build();
sendECoin.Sign(issuingKeys);
try
{
var response = await server.SubmitTransaction(sendECoin);
return(Ok(response));
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
}
private async void SendPayment(string accountId, string amount, string memo)
{
var toAccount = KeyPair.FromAccountId(accountId);
var accountInfo = await _server.Accounts.Account(_keyPair);
var fromAccount = new Account(_keyPair, accountInfo.SequenceNumber);
if (toAccount.AccountId == fromAccount.KeyPair.AccountId)
{
return;
}
var transaction = new Transaction.Builder(fromAccount)
.AddOperation(new PaymentOperation.Builder(
toAccount,
new AssetTypeNative(),
amount).Build())
.AddMemo(Memo.Text(memo))
.Build();
transaction.Sign(_keyPair);
try
{
var response = await _server.SubmitTransaction(transaction);
AppSettings.Logger.Information($"Payment was sent successfully. Ledger: {response.Ledger}");
}
catch (Exception e)
{
AppSettings.Logger.Error($"Payment was not sent successfully. Error was: \n {e.Message}");
}
}
//创建随机账户
static KeyPair CreateRandomAccount(Account source, long nativeAmount)
{
var dest = KeyPair.Random();
var operation =
new CreateAccountOperation.Builder(dest, nativeAmount)
.SetSourceAccount(source.KeyPair)
.Build();
source.IncrementSequenceNumber();
Transaction transaction =
new Transaction.Builder(source)
.AddOperation(operation)
.Build();
transaction.Sign(source.KeyPair);
var tx = transaction.ToEnvelopeXdrBase64();
var response = PostResult(tx);
Console.WriteLine("response:" + response.ReasonPhrase);
Console.WriteLine(dest.Address);
Console.WriteLine(dest.Seed);
Random rd = new Random();
System.IO.StreamWriter sw = new System.IO.StreamWriter(System.AppDomain.CurrentDomain.BaseDirectory + "\\syslog" + DateTime.Now.ToString("yyyy-MM-dd") + "-" + rd.Next(99999) + ".txt");
sw.WriteLine("公钥地址:" + dest.Address);
sw.WriteLine("私钥密码:" + dest.Seed);
sw.Close();
return(dest);
}
public async Task <IActionResult> CreateTrustline(string issuerSeed, string receiverSeed)
{
Network.UseTestNetwork();
Server server = new Server("https://horizon-testnet.stellar.org");
KeyPair issuingKeys = KeyPair.FromSecretSeed(issuerSeed);
KeyPair receivingKeys = KeyPair.FromSecretSeed(receiverSeed);
Asset eCoin = Asset.CreateNonNativeAsset("eCoin", issuingKeys.Address);
AccountResponse receiving = await server.Accounts.Account(receivingKeys.Address);
Transaction allowECoin = new Transaction.Builder(receiving)
.AddOperation(new ChangeTrustOperation.Builder(eCoin, "1000").Build())
.Build();
allowECoin.Sign(receivingKeys);
var response = await server.SubmitTransaction(allowECoin);
if (response.IsSuccess())
{
return(Ok(response));
}
else
{
return(BadRequest(response));
}
}
public void TestVerifyChallengeTransactionThrowsIfOperationDataIsNotBase64Encoded()
{
var serverKeypair = KeyPair.Random();
var clientKeypair = KeyPair.Random();
var anchorName = "NET";
Network.UseTestNetwork();
var now = DateTimeOffset.Now;
var nonce = new byte[64];
var tx = new Transaction
.Builder(new Account(serverKeypair.AccountId, -1))
.AddOperation(
new ManageDataOperation
.Builder("NET auth", nonce)
.SetSourceAccount(clientKeypair)
.Build())
.Build();
tx.Sign(clientKeypair);
Assert.ThrowsException <InvalidWebAuthenticationException>(() =>
{
WebAuthentication.VerifyChallengeTransaction(tx, serverKeypair.AccountId, now: now);
});
}
public async Task MakePayment(KeyPair destAccountKeyPair, string amount)
{
var destAccount = server.Accounts.Account(destAccountKeyPair);
var sourceKeypair = KeyPair.FromSecretSeed(AccountSeed);
var sourceAccountResp = await server.Accounts.Account(sourceKeypair);
var sourceAccount = new Account(sourceKeypair, sourceAccountResp.SequenceNumber);
var operation = new PaymentOperation.Builder(destAccountKeyPair, new AssetTypeNative(), amount).Build();
var transaction = new Transaction.Builder(sourceAccount).AddOperation(operation).AddMemo(Memo.Text("sample payment")).Build();
transaction.Sign(sourceKeypair);
try
{
var resp = await server.SubmitTransaction(transaction);
if (resp.IsSuccess())
{
Console.WriteLine("transaction completed successfully!");
await GetAccountBalance(destAccountKeyPair);
}
else
{
Console.WriteLine("transaction failed.");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public async Task <bool> SubmitTransaction(string exchangeAccount, string destinationAddress, int amountLumens)
{
// Update transaction state to 'sending' so it won't be resubmitted in case of the failure.
var customerId = DB.CustomerId(exchangeAccount);
DB.UpdateTransactionState(customerId, destinationAddress, amountLumens, "sending");
try
{
// Check if the destination address exists
var destinationKeyPair = KeyPair.FromAccountId(destinationAddress);
// If so, continue by submitting a transaction to the destination
Asset asset = new AssetTypeNative();
KeyPair sourceKeypair = KeyPair.FromSecretSeed(BaseAccountSecret);
AccountResponse sourceAccountResponse = await server.Accounts.Account(sourceKeypair);
Account sourceAccount = new Account(sourceAccountResponse.KeyPair, sourceAccountResponse.SequenceNumber);
PaymentOperation operation = new PaymentOperation.Builder(destinationKeyPair, asset, amountLumens.ToString()).SetSourceAccount(sourceAccount.KeyPair).Build();
Transaction transact = new Transaction.Builder(sourceAccount).AddOperation(operation).Build();
// Sign the transaction
transact.Sign(sourceKeypair);
//Try to send the transaction
try
{
await server.SubmitTransaction(transact);
}
catch (Exception exception)
{
Console.WriteLine("Send Transaction Failed:" + exception.Message);
}
}
catch (Exception e)
{
Console.WriteLine("Account does not exist:" + e.Message);
};
try
{
// Submit the transaction created
DB.UpdateTransactionState(customerId, destinationAddress, amountLumens, "done");
}
catch (Exception e)
{
// set transaction state to 'error'
DB.UpdateTransactionState(customerId, destinationAddress, amountLumens, "error");
Console.WriteLine("error:" + e.Message);
}
return(true);
}
private async Task SendPayment(KeyPair from, KeyPair to, int amount, Server stellarServer)
{
AccountResponse senderAccount = await stellarServer.Accounts.Account(from);
Operation payment = new PaymentOperation.Builder(to, new AssetTypeNative(), amount.ToString()).Build();
Transaction transaction = new Transaction.Builder(senderAccount)
.AddOperation(payment)
.Build();
transaction.Sign(from);
await stellarServer.SubmitTransaction(transaction);
}
public async Task <Response> Handle(DepositOrWithdrawRequest request, CancellationToken cancellationToken)
{
Account account = default;
if (request.Amount == 0)
{
return(new NotFoundResult($"Amount not to be zero"));
}
if (request.Id == Guid.Empty)
{
return(new NotFoundResult($"Id not to be null"));
}
if (request.typeTransaction == TypeTransaction.Payment)
{
return(new NotFoundResult($"invalid Transaction"));
}
account = await _accountRepository.GetById(request.Id);
if (account == null)
{
return(new NotFoundResult($"Account not found to Account Id: {request.Id}"));
}
else
{
if (account.DepositOrWithdraw(request.Amount, request.typeTransaction))
{
var transation = new Transaction.Builder()
.FromAccountId(account.AccountId)
.ToAccountId(account.AccountId)
.WithTypeTransaction(request.typeTransaction)
.WithAmount(request.Amount)
.InTheTime(DateTime.Now)
.Build();
if (!transation.IsValid())
{
return(new NotFoundResult($"Invalid Transaction"));
}
await _transactionRepository.Add(transation);
}
else
{
return(new NotFoundResult($"Invalid Transaction"));
}
}
await _unitOfWork.SaveChangesAsync();
return(new OkResult(""));
}
public static async Task <SubmitTransactionResponse> DoPayment(KeyPair source, KeyPair destination, string amount, Server server)
{
var operation = new PaymentOperation.Builder(destination, new AssetTypeNative(), amount)
.SetSourceAccount(source)
.Build();
var xdr = operation.ToXdr();
var account = new Account(source, GetSequence(source.Address));
var transaction = new Transaction.Builder(account).AddOperation(operation).AddMemo(Memo.Text("New memo wohoooo")).Build();
transaction.Sign(source);
var response = await server.SubmitTransaction(transaction);
return(response);
}
private static async Task <SubmitTransactionResponse> SendAllowKinTrustOperation(KeyPair account, AccountResponse accountResponse)
{
ChangeTrustOperation.Builder changeTrustOperationBuilder = new ChangeTrustOperation.Builder((AssetTypeCreditAlphaNum)KinAsset,
TRUST_NO_LIMIT_VALUE).SetSourceAccount(account);
ChangeTrustOperation changeTrustOperation = changeTrustOperationBuilder.Build();
Transaction.Builder allowKinTrustTransaction =
new Transaction.Builder(new Account(account, accountResponse.SequenceNumber)).AddOperation(changeTrustOperation);
Transaction transaction = allowKinTrustTransaction.Build();
transaction.Sign(account);
return(await Server.SubmitTransaction(transaction).ConfigureAwait(false));
}
private async void RunAsync()
{
Server server = UStellarManager.GetServer();
KeyPair sourceKeyPair = KeyPair.FromSecretSeed(source);
//Check if the destination account exists in the server.
Log("Checking if destination account exists in server", 0);
await server.Accounts.Account(destination);
Log("Done");
//Load up to date information in source account
await server.Accounts.Account(sourceKeyPair.AccountId);
AccountResponse sourceAccountResponse = await server.Accounts.Account(sourceKeyPair.AccountId);
Account sourceAccount = new Account(sourceAccountResponse.AccountId, sourceAccountResponse.SequenceNumber);
//Create the Asset to send and put the amount we are going to send.
Asset asset = new AssetTypeNative();
string amount = "1";
PaymentOperation operation = new PaymentOperation.Builder(KeyPair.FromAccountId(destination), asset, amount).SetSourceAccount(sourceAccount.KeyPair).Build();
Transaction transaction = new Transaction.Builder(sourceAccount).AddOperation(operation).Build();
//Sign Transaction
Log("Signing Transaction", 2);
transaction.Sign(KeyPair.FromSecretSeed(source));
Log("Done");
//Try to send the transaction
try
{
Log("Sending Transaction", 2);
await server.SubmitTransaction(transaction);
Log("Success!", 1);
}
catch (Exception exception)
{
Log("Something went wrong", 2);
Log("Exception: " + exception.Message, 1);
// If the result is unknown (no response body, timeout etc.) we simply resubmit
// already built transaction:
// SubmitTransactionResponse response = server.submitTransaction(transaction);
}
}
public async Task SendPQTPayment(string FromSecret, string ToAccount, double amount)
{
Network network = new Network("Public Global Stellar Network ; September 2015");
Server server = new Server("https://horizon.stellar.org");
Network.UsePublicNetwork();
KeyPair fromKeypair = KeyPair.FromSecretSeed(FromSecret);
KeyPair destinationKeyPair = KeyPair.FromAccountId(ToAccount);
AccountResponse issuerAccountResponse = null;
var t = Task.Run(async() =>
{
issuerAccountResponse = await server.Accounts.Account(fromKeypair);
});
t.Wait();
Account fromAccount = new Account(issuerAccountResponse.KeyPair, issuerAccountResponse.SequenceNumber);
KeyPair issuerKeypair = KeyPair.FromAccountId(asset_issuer);
Asset asset = new AssetTypeCreditAlphaNum4(asset_code, issuerKeypair);
PaymentOperation operation = new PaymentOperation.Builder(destinationKeyPair, asset, amount.ToString()).SetSourceAccount(fromAccount.KeyPair).Build();
Transaction transaction = new Transaction.Builder(fromAccount).AddOperation(operation).Build();
//Try to send the transaction
try
{
transaction.Sign(fromKeypair);
var tSign = Task.Run(async() =>
{
await server.SubmitTransaction(transaction);
});
tSign.Wait();
}
catch (Exception exception)
{
Console.WriteLine("Send Transaction Failed");
Console.WriteLine("Exception: " + exception.Message);
}
}
public Transaction BuildTransaction()
{
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var account = new Account(source, 2908908335136768L);
var builder = new Transaction.Builder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.AddMemo(Memo.Text("Hello world!"));
Assert.AreEqual(1, builder.OperationsCount);
var transaction = builder.Build();
Assert.AreEqual(2908908335136769L, transaction.SequenceNumber);
Assert.AreEqual(2908908335136769L, account.SequenceNumber);
transaction.Sign(source);
return(transaction);
}
public void TestSetOptionsOperationPreAuthTxSigner()
{
Network.UseTestNetwork();
// GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var sequenceNumber = 2908908335136768L;
var account = new Account(source, sequenceNumber);
var transaction = new Transaction.Builder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.Build();
// GC5SIC4E3V56VOHJ3OZAX5SJDTWY52JYI2AFK6PUGSXFVRJQYQXXZBZF
var opSource = KeyPair.FromSecretSeed("SC4CGETADVYTCR5HEAVZRB3DZQY5Y4J7RFNJTRA6ESMHIPEZUSTE2QDK");
var operation = new SetOptionsOperation.Builder()
.SetSigner(Signer.PreAuthTx(transaction), 10)
.SetSourceAccount(opSource)
.Build();
var xdr = operation.ToXdr();
var parsedOperation = (SetOptionsOperation)Operation.FromXdr(xdr);
Assert.AreEqual(null, parsedOperation.InflationDestination);
Assert.AreEqual(null, parsedOperation.ClearFlags);
Assert.AreEqual(null, parsedOperation.SetFlags);
Assert.AreEqual(null, parsedOperation.MasterKeyWeight);
Assert.AreEqual(null, parsedOperation.LowThreshold);
Assert.AreEqual(null, parsedOperation.MediumThreshold);
Assert.AreEqual(null, parsedOperation.HighThreshold);
Assert.AreEqual(null, parsedOperation.HomeDomain);
Assert.IsTrue(transaction.Hash().SequenceEqual(parsedOperation.Signer.PreAuthTx.InnerValue));
Assert.AreEqual(10, parsedOperation.SignerWeight);
Assert.AreEqual(opSource.AccountId, parsedOperation.SourceAccount.AccountId);
Assert.AreEqual(
"AAAAAQAAAAC7JAuE3XvquOnbsgv2SRztjuk4RoBVefQ0rlrFMMQvfAAAAAUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAB1vRBIRC3w7ZH5rQa17hIBKUwZTvBP4kNmSP7jVyw1fQAAAAK",
operation.ToXdrBase64());
}
//I DO NOT RECOMMEND SENDING SECRET SEEDS OVER A NETWORK (ESPECIALLY UNENCRYPTED), THIS IS JUST AN EXAMPLE OF HOW YOU MIGHT FORM AN API USING THE SDK
public async Task <IActionResult> SetInflationDestination([FromBody] SetInflationDestinationRequest request)
{
try
{
Network.UseTestNetwork();
var source = KeyPair.FromAccountId(request.AccountId);
var signer = KeyPair.FromSecretSeed(request.Seed);
var inflationDestination = KeyPair.FromAccountId(request.InflationDestination);
//For Livenet use https://horizon.stellar.org
using (var server = new Server("https://horizon-testnet.stellar.org"))
{
AccountResponse sourceAccount = await server.Accounts.Account(source);
var sequenceNumber = sourceAccount.SequenceNumber;
var account = new Account(source, sequenceNumber);
var operation = new SetOptionsOperation.Builder()
.SetInflationDestination(inflationDestination)
.SetSourceAccount(source)
.Build();
var memo = Memo.Text("Sample Memo");
Transaction transaction = new Transaction.Builder(account).AddOperation(operation).AddMemo(memo).Build();
var transactionXDR = transaction.ToUnsignedEnvelopeXdr();
transaction.Sign(signer);
var test = transaction.ToEnvelopeXdrBase64();
await server.SubmitTransaction(test);
return(Ok());
}
}
catch (Exception Ex)
{
return(StatusCode(500, "Something went wrong"));
}
}
static async Task <Transaction> BuildTransaction(KeyPair keyPair, double amount, string appendedMemo = "")
{
amount = amount / 100;
var destinationKeyPair = KeyPair.FromAccountId("GDL6CWJER7TOXIWMFTOLVUZU4GKT547OCTNPOTXISJGI4SSOPEQTC3HT");
PaymentOperation.Builder paymentOperationBuilder = new PaymentOperation.Builder(destinationKeyPair,
_asset, amount.ToString(CultureInfo.InvariantCulture))
.SetSourceAccount(keyPair);
PaymentOperation paymentOperation = paymentOperationBuilder.Build();
var accountResponse = await _server.Accounts.Account(keyPair);
Transaction.Builder paymentTransaction = new Transaction.Builder(new Account(keyPair, accountResponse.SequenceNumber)).AddOperation(paymentOperation);
paymentTransaction.AddMemo(new MemoText($"1-rced-{appendedMemo}"));
var transaction = paymentTransaction.Build();
transaction.Sign(keyPair);
return(transaction);
}
async Task CreateSurveyAsset(string asset_code)
{
Network network = new Network("Public Global Stellar Network ; September 2015");
Server server = new Server("https://horizon.stellar.org");
Network.UsePublicNetwork();
KeyPair issuerKeypair = KeyPair.FromAccountId("SEED");
KeyPair destinationKeyPair = KeyPair.FromSecretSeed("PUBLIC");
AccountResponse destinationAccountResponse = null;
var t = Task.Run(async() =>
{
destinationAccountResponse = await server.Accounts.Account(destinationKeyPair);
});
t.Wait();
Account destinationAccount = new Account(destinationAccountResponse.KeyPair, destinationAccountResponse.SequenceNumber);
Asset asset = new AssetTypeCreditAlphaNum12(asset_code, issuerKeypair);
ChangeTrustOperation operation = new ChangeTrustOperation.Builder(asset, "100000000000").Build();
Transaction transaction = new Transaction.Builder(destinationAccount).AddOperation(operation).Build();
try
{
transaction.Sign(destinationKeyPair);
var tSign = Task.Run(async() =>
{
await server.SubmitTransaction(transaction);
});
tSign.Wait();
// await GetCoinsFromIssuer(asset_code,100);
}
catch (Exception exception)
{
Console.WriteLine("Send Transaction Failed");
Console.WriteLine("Exception: " + exception.Message);
}
}
private async Task <SubmitTransactionResponse> GetCreateAccountTransaction(string destinationAddress)
{
KeyPair destinationKeyPair = KeyPair.FromAccountId(destinationAddress);
AccountResponse sourceAccount = null;
AccountResponse destinationAccount = null;
try
{
sourceAccount = await GetAccount(_keyPair).ConfigureAwait(false);
destinationAccount = await GetAccount(destinationKeyPair).ConfigureAwait(false);
}
catch (Exception ex) {}
if (sourceAccount == null)
{
throw new Exception("Source account doesn't exists");
}
if (destinationAccount != null)
{
throw new Exception("Account already exists");
}
CreateAccountOperation.Builder createAccountOperationBuilder = new CreateAccountOperation.Builder(destinationKeyPair, "0");
createAccountOperationBuilder.SetSourceAccount(_keyPair);
Transaction.Builder transactionBuilder = new Transaction.Builder(new Account(_keyPair, sourceAccount.SequenceNumber));
transactionBuilder.AddOperation(createAccountOperationBuilder.Build());
transactionBuilder.AddMemo(new MemoText($"1-{_app_id}"));
Transaction transaction = transactionBuilder.Build();
transaction.Sign(_keyPair);
return(await _server.SubmitTransaction(transaction).ConfigureAwait(false));
}
public async Task Transfer(KeyPair source, List <KeyPair> signers, string destinationAddress, decimal amount)
{
//get source account - check existance
var mainAccount = await server.Accounts.Account(source);
//create stellar transaction
var tx = new Transaction.Builder(mainAccount).AddOperation(
new PaymentOperation.Builder(KeyPair.FromAccountId(destinationAddress), new AssetTypeNative(), amount.ToString()).Build())
.Build();
foreach (var signer in signers)
{
tx.Sign(signer);
}
var response = await server.SubmitTransaction(tx);
if (response.SubmitTransactionResponseExtras != null &&
response.SubmitTransactionResponseExtras.ExtrasResultCodes.TransactionResultCode == "tx_failed")
{
throw new Exception("Transaction failed : " + response.SubmitTransactionResponseExtras.ExtrasResultCodes?.TransactionResultCode);
}
}
private async Task <SubmitTransactionResponse> SendPaymentOperation(KeyPair sourceKeyPair,
KeyPair destinationKeyPair, AccountResponse sourceAccount, double amount, string marketPlaceOrderId = null)
{
PaymentOperation.Builder paymentOperationBuilder =
new PaymentOperation.Builder(destinationKeyPair, _kinAsset,
amount.ToString(CultureInfo.InvariantCulture))
.SetSourceAccount(sourceKeyPair);
PaymentOperation paymentOperation = paymentOperationBuilder.Build();
Transaction.Builder paymentTransaction =
new Transaction.Builder(new Account(sourceKeyPair, sourceAccount.SequenceNumber)).AddOperation(
paymentOperation);
string toAppend = string.IsNullOrEmpty(marketPlaceOrderId) ? "p2p" : marketPlaceOrderId;
paymentTransaction.AddMemo(new MemoText($"1-test-{toAppend}"));
Transaction transaction = paymentTransaction.Build();
transaction.Sign(sourceKeyPair);
return(await _server.SubmitTransaction(transaction).ConfigureAwait(false));
}
public async Task MultisigTest()
{
using (var stellarServer = new Server(StellarNodeUri))
{
KeyPair multisigAccount = KeyPair.FromSecretSeed(MultisigAccountSecretSeed);
KeyPair account1 = KeyPair.FromSecretSeed(Account1SecretSeed);
KeyPair account2 = KeyPair.FromSecretSeed(Account2SecretSeed);
AccountResponse senderAccount = await stellarServer.Accounts.Account(multisigAccount);
Operation payment = new PaymentOperation.Builder(account1, new AssetTypeNative(), "1").Build();
Transaction transaction = new Transaction.Builder(senderAccount)
.AddOperation(payment)
.Build();
transaction.Sign(account1);
transaction.Sign(account2);
SubmitTransactionResponse result = await stellarServer.SubmitTransaction(transaction);
Assert.IsTrue(result.IsSuccess());
}
}
public async Task CreateAccount(KeyPair destAccount)
{
var sourceKeypair = KeyPair.FromSecretSeed(AccountSeed);
var sourceAccountResp = await server.Accounts.Account(sourceKeypair);
var sourceAccount = new Account(sourceKeypair, sourceAccountResp.SequenceNumber);
var operation = new CreateAccountOperation.Builder(destAccount, "20").SetSourceAccount(sourceKeypair).Build();
var transaction = new Transaction.Builder(sourceAccount).AddOperation(operation).AddMemo(Memo.Text("Hello Memo")).Build();
transaction.Sign(sourceKeypair);
try
{
var resp = await server.SubmitTransaction(transaction);
if (resp.IsSuccess())
{
Console.WriteLine("transaction completed successfully!");
await GetAccountBalance(destAccount);
}
else
{
Console.WriteLine("transaction failed.");
var c = resp.SubmitTransactionResponseExtras.ExtrasResultCodes;
Console.WriteLine(c.TransactionResultCode);
foreach (var x in c.OperationsResultCodes)
{
Console.WriteLine(x);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
// [ValidateAntiForgeryToken]
public async Task <string> Create([Bind("ID,TokenName,Amount,Destination,SendStart")] Send send)
{
send.Destination = send.Destination.ToUpper();
send.TokenName = send.TokenName.ToUpper();
if (send.Destination[0] != 'G' || send.Destination.Length != 56)
{
ModelState.AddModelError("Address", "Address is not in a proper format (begins with a G and is 56 characters long");
}
string[] tokenNames = { "XLM", "SECOND", "MINUTE", "HOUR", "DAY", "WEEK", "MONTH", "YEAR", "MASLOW1", "MASLOW2", "MASLOW3", "MASLOW4", "MASLOW5" };
if (!(tokenNames.Contains(send.TokenName)))
{
ModelState.AddModelError("TokenName", "Token is not supported.");
}
if (!(send.Amount > 0))
{
ModelState.AddModelError("Amount", "The amount sent has to be a positive integer.");
}
Network.UsePublicNetwork();
var server = new Server("https://horizon.stellar.org");
KeyPair source = KeyPair.FromSecretSeed(Environment.GetEnvironmentVariable("SECRET_KEY_" + send.TokenName));
KeyPair destination = KeyPair.FromAccountId(send.Destination);
send.Source = Environment.GetEnvironmentVariable("SECRET_KEY_" + send.TokenName);
await server.Accounts.Account(destination);
AccountResponse sourceAccount = await server.Accounts.Account(source);
var sendingAccountPubKey = Environment.GetEnvironmentVariable("PUBLIC_KEY_" + send.TokenName);
AccountsRequestBuilder accReqBuilder = new AccountsRequestBuilder(new Uri("https://horizon.stellar.org/accounts/" + sendingAccountPubKey));
var accountResponse = await accReqBuilder.Account(new Uri("https://horizon.stellar.org/accounts/" + sendingAccountPubKey));
Asset tst;
if (send.TokenName == "XLM")
{
// TODO implement this in the future
tst = new AssetTypeNative(); // https://elucidsoft.github.io/dotnet-stellar-sdk/api/stellar_dotnetcore_sdk.AssetTypeNative.html
}
else if (send.TokenName.Length <= 4)
{
tst = new AssetTypeCreditAlphaNum4(send.TokenName, KeyPair.FromAccountId(Environment.GetEnvironmentVariable("ISSUER_KEY_" + send.TokenName)));
}
else
{
tst = new AssetTypeCreditAlphaNum12(send.TokenName, KeyPair.FromAccountId(Environment.GetEnvironmentVariable("ISSUER_KEY_" + send.TokenName)));
}
Transaction transaction = new Transaction.Builder(new stellar_dotnetcore_sdk.Account(KeyPair.FromAccountId(sendingAccountPubKey), accountResponse.SequenceNumber))
.AddOperation(new PaymentOperation.Builder(destination, tst, Convert.ToString(send.Amount)).Build())
.AddMemo(Memo.Text("Test Transaction"))
.Build();
transaction.Sign(source);
string status = "";
try
{
if (ModelState.IsValid)
{
SubmitTransactionResponse response = await server.SubmitTransaction(transaction);
status += "Success!";
return(HtmlEncoder.Default.Encode($"SendsController POST CREATE {status} 1 {source} 2 3 4 "));
}
}
catch (Exception e)
{
status += "ERROR" + e.Message;
}
return(HtmlEncoder.Default.Encode($"INVALID {send.ID}, {send.TokenName}"));
}
private static async void SendPayment(string accountId, string amount, string memo)
{
Server server;
var keyPair = KeyPair.FromSecretSeed(AppSettings.WalletPrivateKey);
if (AppSettings.IsProduction)
{
AppSettings.Logger.Information("Connected to the public Stellar network.");
Network.UsePublicNetwork();
server = new Server("https://horizon.stellar.org");
Console.WriteLine("Server is: PROD");
}
else
{
AppSettings.Logger.Information("Connected to the TEST Stellar network.");
Network.UseTestNetwork();
server = new Server("https://horizon-testnet.stellar.org");
Console.WriteLine("Server is: DEV");
}
var toAccount = KeyPair.FromAccountId(accountId);
var accountInfo = await server.Accounts.Account(keyPair);
var fromAccount = new Account(keyPair, accountInfo.SequenceNumber);
if (toAccount.AccountId == fromAccount.KeyPair.AccountId)
{
return;
}
var transaction = new Transaction.Builder(fromAccount)
.AddOperation(new PaymentOperation.Builder(
toAccount,
new AssetTypeNative(),
amount).Build())
.AddMemo(Memo.Text(memo))
.Build();
transaction.Sign(keyPair);
try
{
var response = await server.SubmitTransaction(transaction);
AppSettings.Logger.Information($"Payment was sent successfully to {accountId}. Ledger: {response.Ledger}");
}
catch (Exception e)
{
AppSettings.Logger.Error($"Payment was not sent successfully to {accountId}. Error was: \n {e.Message}");
try
{
var message = new MimeMessage();
message.From.Add(new MailboxAddress("DeathRaffle.com Error Notification", "*****@*****.**"));
message.To.Add(new MailboxAddress("DeathRaffle Support", "*****@*****.**"));
message.Subject = "Message From DeathRaffle.com Payment Error Notification!";
message.Body = new TextPart("plain")
{
Text = $@" There was an error sending a winning payment to:
Customer Address: {accountId}
Amount to Send: {amount}
Error was: {e.Message}
"
};
using (var client = new SmtpClient())
{
client.Connect("smtp.gmail.com", 465, true);
client.AuthenticationMechanisms.Remove("XOAUTH2");
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.Authenticate("*****@*****.**", "ownlraesbvstthqb");
client.Send(message);
client.Disconnect(true);
}
}
catch (Exception ex)
{
var message = $@" There was an error sending a winning payment to:
Customer Address: {accountId}
Amount to Send: {amount}
Error was: {e.Message}";
AppSettings.Logger.Error($"Could not email about error: {message} {Environment.NewLine} Error was: {ex.Message}");
}
}
}
public static async void Payout(decimal InflationAmount)
{
Network.UseTestNetwork();
//Get the number of votes you have
var votes = GetTotalVotes();
//Get the accounts that voted for you and what you owe them
var accounts = GetVoterAccounts(InflationAmount, votes);
decimal sum = 0;
decimal percentage = 0;
KeyPair PoolSource = KeyPair.FromSecretSeed(Configuration["INFLATION_POOL_SECRET"]);
//KeyPair PoolSource = KeyPair.FromSecretSeed(Environment.GetEnvironmentVariable("INFLATION_POOL_SECRET"));
AccountResponse sourceAccount = await server.Accounts.Account(PoolSource);
var sequenceNumber = sourceAccount.SequenceNumber;
Account PoolAccount = new Account(PoolSource, sequenceNumber);
Transaction.Builder BatchTransaction = new Transaction.Builder(PoolAccount);
List <Transaction> Transactions = new List <Transaction>();
int batch = 0;
foreach (var account in accounts)
{
//we can only have 100 operations per transaction, this means we need to split up our payouts every 100 people
//Rounding down because we're greedy pigs that want to keep every last stroop
var payout = RoundDown(account.Payout, 7);
var payoutPercent = RoundDown(account.Percentage, 7);
//Create the payment operation, we are pulling the 100 stroop fee out of the receipients end.
//The lowest amount a voting account could possibly contain is 1 lumen
//1 lumen will earn 0.0001923 lumens per week, so we don't have to worry about the fee being larger than a potential earning!
var operation = new PaymentOperation.Builder(KeyPair.FromAccountId(account.AccountId), new AssetTypeNative(), (payout - .0000100m).ToString())
.SetSourceAccount(PoolSource)
.Build();
BatchTransaction.AddOperation(operation);
Console.WriteLine($" Account: {account.AccountId} Earned: {payout}XLM (%{payoutPercent})");
//totalling up our payout/percentages
sum += payout;
percentage += payoutPercent;
if (batch == 99 || account.Equals(accounts.LastOrDefault()))
{
//This batch is full! we sign it with a memo and our private key and add it to the list of to be processed outgoing transactions.
var t = BatchTransaction.AddMemo(Memo.Text($"Sample Memo")).Build();
t.Sign(PoolSource);
Transactions.Add(t);
BatchTransaction = new Transaction.Builder(PoolAccount);
}
//Reset the batch
batch = batch == 99 ? 0 : ++batch;
}
Console.WriteLine("Submitting batches to the stellar network...");
foreach (var t in Transactions)
{
//Submit each transaction to the network
Console.WriteLine($"Submitting batch: {Transactions.IndexOf(t) + 1}...");
var response = await server.SubmitTransaction(t);
Console.WriteLine($"Batch submitted.");
//Console.WriteLine($"Envelope XDR is:");
//Console.WriteLine($"{response.EnvelopeXdr}");
}
Console.WriteLine($"Payed out: {sum} (%{percentage})");
//Exists the console app after it has found inflation and payed out.
Console.WriteLine("Exiting");
Environment.Exit(0);
}
public async Task SendNativeAssets()
{
//Set network and server
Network network = new Network("Test SDF Network ; September 2015");
Server server = new Server("https://horizon-testnet.stellar.org");
KeyPair keypair = KeyPair.Random();
Network.UseTestNetwork();
var sourceaccID = keypair.AccountId;
using (var server1 = new Server("https://horizon-testnet.stellar.org"))
{
var friendBot = await server.TestNetFriendBot
.FundAccount(sourceaccID)
.Execute().ConfigureAwait(true);
}
//Source keypair from the secret seed
KeyPair sourceKeypair = KeyPair.FromSecretSeed(keypair.SecretSeed);
var SourceaccTest = await server.Accounts.Account(sourceaccID);
//Load source account data
AccountResponse sourceAccountResponse = await server.Accounts.Account(sourceKeypair.AccountId);
//Create source account object
Account sourceAccount = new Account(sourceKeypair.AccountId, sourceAccountResponse.SequenceNumber);
//Create asset object with specific amount
//You can use native or non native ones.
Asset asset = new AssetTypeNative();
string amount = "30";
//Load des account data
AccountResponse descAccountResponse = await server.Accounts.Account("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT");
//Destination keypair from the account id
KeyPair destinationKeyPair = KeyPair.FromAccountId("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT");
var transactions = await server.Transactions
.ForAccount("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT")
.Execute().ConfigureAwait(true);
var abc = new TransactionResponse();
var test = new test.MyTestApp();
test.Main();
var tranDetail = server.Transactions.ForAccount("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT").Cursor("now");
var paymentDetail = server.Payments.ForAccount("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT");
//paymentDetail.Stream(operationres);
//OnhresholdReached?.Invoke(this, new OperationResponse());
Program1 abcd = new Program1();
abcd.OnhresholdReached += Abcd_OnhresholdReached;
abcd.OnhresholdReached += new EventHandler <OperationResponse>(this.Abcd_OnhresholdReached);
var OperateDetail = server.Operations.ForAccount("GDLRM2QFV7GOOAZDELHFCC5RBRMX4NAZNBSTAKG6NGO4CFODY5PSCYWT");
//Create payment operation
PaymentOperation operation = new PaymentOperation.Builder(destinationKeyPair, asset, amount).SetSourceAccount(sourceAccount.KeyPair).Build();
//Create transaction and add the payment operation we created
Transaction transaction = new Transaction.Builder(sourceAccount).AddOperation(operation).Build();
//Sign Transaction
transaction.Sign(sourceKeypair);
//Try to send the transaction
try
{
Console.WriteLine("Sending Transaction");
await server.SubmitTransaction(transaction).ConfigureAwait(true);
Console.WriteLine("Success!");
}
catch (Exception exception)
{
Console.WriteLine("Send Transaction Failed");
Console.WriteLine("Exception: " + exception.Message);
}
}
/// Generates a multi-signed transaction
/// and transfer amount to a 3rd account, if signed correctly
public async Task MultiSigTransfer()
{
// Horizon settings
Network.UseTestNetwork();
Server server = new Server(HorizonUrl);
// master account
Console.WriteLine("Generating key pairs...");
KeyPair masterKeyPair = KeyPair.FromSecretSeed(MasterSecret);
AccountResponse masterAccountResponse = await server.Accounts.Account(masterKeyPair);
Account masterAccount = new Account(masterAccountResponse.KeyPair, masterAccountResponse.SequenceNumber);
// generating keypairs
KeyPair signerKeyPair = KeyPair.FromAccountId(SignerAccount);
KeyPair signerSecretKeyPair = KeyPair.FromSecretSeed(SignerSecret);;
KeyPair destinationKeyPair = KeyPair.FromAccountId(DestinationAccount);
var signerKey = stellar_dotnet_sdk.Signer.Ed25519PublicKey(signerKeyPair);
// set signer operation
SetOptionsOperation signerOperation = new SetOptionsOperation.Builder().SetSigner(signerKey, 1).Build();
// set flag
// for clearing flags -> SetOptionsOperation flagOperation = new SetOptionsOperation.Builder().SetClearFlags(1).Build();
SetOptionsOperation flagOperation = new SetOptionsOperation.Builder().SetSetFlags(1).Build();
// set medium threshold
SetOptionsOperation thresholdOperation = new SetOptionsOperation.Builder().SetMediumThreshold(2).Build();
// payment operation
string amountToTransfer = "35";
Asset asset = new AssetTypeNative();
PaymentOperation paymentOperation = new PaymentOperation.Builder(destinationKeyPair, asset, amountToTransfer).SetSourceAccount(masterKeyPair).Build();
// create transaction
Transaction transaction = new Transaction.Builder(masterAccount)
.AddOperation(flagOperation)
.AddOperation(thresholdOperation)
.AddOperation(signerOperation)
.AddOperation(paymentOperation)
.Build();
// sign Transaction
transaction.Sign(masterKeyPair);
transaction.Sign(signerSecretKeyPair);
// try to send transaction
try
{
Console.WriteLine("Sending Transaction...");
await server.SubmitTransaction(transaction);
Console.WriteLine("Success!");
await this.GetBalance(MasterAccount);
await this.GetBalance(SignerAccount);
await this.GetBalance(DestinationAccount);
}
catch (Exception exception)
{
Console.WriteLine("Send Transaction Failed");
Console.WriteLine("Exception: " + exception.Message);
}
}
