public static byte[] ToArray(this stellar_dotnet_sdk.Transaction tx)
{
var outputStream = new XdrDataOutputStream();
stellar_dotnet_sdk.xdr.Transaction.Encode(outputStream, tx.ToXdrV1());
return(outputStream.ToArray());
}
public void TestBuilderFee()
{
// GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var account = new Account(source.AccountId, 2908908335136768L);
var transaction = new TransactionBuilder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.SetFee(173)
.Build();
// Convert transaction to binary XDR and back again to make sure fee is correctly de/serialized.
var decodedTransaction = transaction.ToUnsignedEnvelopeXdr().V1.Tx;
Assert.AreEqual(decodedTransaction.Fee.InnerValue, 173 * 2U);
var transaction2 = Transaction.FromEnvelopeXdr(transaction.ToUnsignedEnvelopeXdr());
Assert.AreEqual(transaction.SourceAccount.AccountId, transaction2.SourceAccount.AccountId);
Assert.AreEqual(transaction.SequenceNumber, transaction2.SequenceNumber);
Assert.AreEqual(transaction.Memo, transaction2.Memo);
Assert.AreEqual(transaction.TimeBounds, transaction2.TimeBounds);
Assert.AreEqual(transaction.Fee, transaction2.Fee);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[0]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[0]).StartingBalance
);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[1]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[1]).StartingBalance
);
}
public void ReturnsTransactionHash()
{
Stellar.Transaction tx = this.GenerateSignedChallenge(_fixture.UserKeypair, _fixture.DevKeypair);
Library.Auth.Token token = new Library.Auth.Token(_fixture.DevKeypair.SecretSeed, tx.ToEnvelopeXdrBase64(), _fixture.UserKeypair.AccountId);
Assert.NotNull(token.Hash());
}
public void TestBuilderMemoText()
{
// GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var account = new Account(source, 2908908335136768);
var transaction = new Transaction.Builder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.AddMemo(Memo.Text("Hello world!"))
.Build();
transaction.Sign(source);
Assert.AreEqual(
"AAAAAF7FIiDToW1fOYUFBC0dmyufJbFTOa2GQESGz+S2h5ViAAAAZAAKVaMAAAABAAAAAAAAAAEAAAAMSGVsbG8gd29ybGQhAAAAAQAAAAAAAAAAAAAAAO3gUmG83C+VCqO6FztuMtXJF/l7grZA7MjRzqdZ9W8QAAAABKgXyAAAAAAAAAAAAbaHlWIAAABAxzofBhoayuUnz8t0T1UNWrTgmJ+lCh9KaeOGu2ppNOz9UGw0abGLhv+9oWQsstaHx6YjwWxL+8GBvwBUVWRlBQ==",
transaction.ToEnvelopeXdrBase64());
var transaction2 = Transaction.FromEnvelopeXdr(transaction.ToEnvelopeXdr());
Assert.AreEqual(transaction.SourceAccount.AccountId, transaction2.SourceAccount.AccountId);
Assert.AreEqual(transaction.SequenceNumber, transaction2.SequenceNumber);
Assert.AreEqual(transaction.Memo, transaction2.Memo);
Assert.AreEqual(transaction.Fee, transaction2.Fee);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[0]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[0]).StartingBalance
);
}
public void TestBuilderMemoText()
{
// GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var account = new Account(source.AccountId, 2908908335136768);
var transaction = new TransactionBuilder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.AddMemo(Memo.Text("Hello world!"))
.Build();
transaction.Sign(source);
Assert.AreEqual(
"AAAAAF7FIiDToW1fOYUFBC0dmyufJbFTOa2GQESGz+S2h5ViAAAAZAAKVaMAAAABAAAAAAAAAAEAAAAMSGVsbG8gd29ybGQhAAAAAQAAAAAAAAAAAAAAAO3gUmG83C+VCqO6FztuMtXJF/l7grZA7MjRzqdZ9W8QAAAABKgXyAAAAAAAAAAAAbaHlWIAAABAxzofBhoayuUnz8t0T1UNWrTgmJ+lCh9KaeOGu2ppNOz9UGw0abGLhv+9oWQsstaHx6YjwWxL+8GBvwBUVWRlBQ==",
transaction.ToEnvelopeXdrBase64(TransactionBase.TransactionXdrVersion.V0));
Assert.AreEqual(
"AAAAAgAAAABexSIg06FtXzmFBQQtHZsrnyWxUzmthkBEhs/ktoeVYgAAAGQAClWjAAAAAQAAAAAAAAABAAAADEhlbGxvIHdvcmxkIQAAAAEAAAAAAAAAAAAAAADt4FJhvNwvlQqjuhc7bjLVyRf5e4K2QOzI0c6nWfVvEAAAAASoF8gAAAAAAAAAAAG2h5ViAAAAQMc6HwYaGsrlJ8/LdE9VDVq04JifpQofSmnjhrtqaTTs/VBsNGmxi4b/vaFkLLLWh8emI8FsS/vBgb8AVFVkZQU=",
transaction.ToEnvelopeXdrBase64());
var transaction2 = Transaction.FromEnvelopeXdr(transaction.ToEnvelopeXdr());
Assert.AreEqual(transaction.SourceAccount.AccountId, transaction2.SourceAccount.AccountId);
Assert.AreEqual(transaction.SequenceNumber, transaction2.SequenceNumber);
Assert.AreEqual(transaction.Memo, transaction2.Memo);
Assert.AreEqual(transaction.Fee, transaction2.Fee);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[0]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[0]).StartingBalance
);
}
public void ContainsCorrectCustomTimeBounds()
{
Stellar.Transaction tx = Stellar.Transaction.FromEnvelopeXdr(new Library.Auth.Challenge().Call(_fixture.Keypair.SecretSeed, 100));
long timeNow = DateTimeOffset.Now.ToUnixTimeSeconds() + 100;
Assert.Equal(tx.TimeBounds.MaxTime.ToString(), timeNow.ToString());
}
public void CurrentTimeIsWithinTimeBounds()
{
Stellar.Transaction tx = this.GenerateSignedChallenge(_fixture.UserKeypair, _fixture.DevKeypair);
Library.Auth.Token token = new Library.Auth.Token(_fixture.DevKeypair.SecretSeed, tx.ToEnvelopeXdrBase64(), _fixture.UserKeypair.AccountId);
Assert.True(token.Validate());
}
public void TransactionIsCorrectlySigned()
{
Stellar.KeyPair keypair = Stellar.KeyPair.Random();
Stellar.Transaction tx = this.GenerateSignedTransaction(keypair).Result;
Assert.True(Library.Utils.Keypair.Verify(tx, keypair));
}
public void TestFromXdrWithMemoId()
{
// https://github.com/elucidsoft/dotnet-stellar-sdk/issues/208
var tx = Transaction.FromEnvelopeXdr(
"AAAAAEdL24Ttos6RnqXCsn8duaV035/QZSC9RXw29IknigHpAAAD6AFb56cAAukDAAAAAQAAAAAAAAAAAAAAAF20fKAAAAACjCiEBz2CpG0AAAABAAAAAAAAAAEAAAAADq+QhtWseqhtnwRIFyZRdLMOVtIqzkujfzUQ22rwZuEAAAAAAAAAAGZeJLcAAAAAAAAAASeKAekAAABAE+X7cGoBhuJ5SDB8WH2B1ZA2RrWIXxGtx+n6wE5d/EggDTpZhRm92b33QqjPUFOfcZ+zbcM+Ny0WR2vcYHEXDA==");
Assert.AreEqual("GBDUXW4E5WRM5EM6UXBLE7Y5XGSXJX472BSSBPKFPQ3PJCJHRIA6SH4C", tx.SourceAccount.AccountId);
}
public void TransactionFailsIfIncorrectlySigned()
{
Stellar.KeyPair keypair = Stellar.KeyPair.Random();
Stellar.KeyPair anotherKeypair = Stellar.KeyPair.Random();
Stellar.Transaction tx = this.GenerateSignedTransaction(keypair).Result;
Assert.False(Library.Utils.Keypair.Verify(tx, anotherKeypair));
}
public void ThrowsErrorIfCurrentTimeIsOutsideTimeBounds()
{
Stellar.Transaction tx = this.GenerateSignedChallenge(_fixture.UserKeypair, _fixture.DevKeypair);
Library.Auth.Token token = new Library.Auth.Token(_fixture.DevKeypair.SecretSeed, tx.ToEnvelopeXdrBase64(), _fixture.UserKeypair.AccountId);
System.Threading.Thread.Sleep(11000);
Assert.ThrowsAny <Exception>(() => token.Validate());
}
///<summary>Private: Validates transaction is signed by developer.</summary>
///<param name="keypair">keypair object for given developer public key</param>
///<param name="tx">Transaction to verify</param>
///<returns>Returns true is transaction is valid, throws error otherwise</returns>
private Boolean Validate(Stellar.KeyPair keypair, Stellar.Transaction tx)
{
Boolean isValid = Utils.Keypair.Verify(tx, keypair);
if (!isValid)
{
throw new Exception("Wrong challenge transaction signature");
}
return(true);
}
///<summary>Verify given keypair is a signer on a given transaction.</summary>
///<param name="tx">Transaction to verify</param>
///<param name="keypair">Keypair object</param>
///<returns>Returns true if given transaction is signed using specified keypair</returns>
public static Boolean Verify(Stellar.Transaction tx, Stellar.KeyPair keypair)
{
var signatures = tx.Signatures;
var hash = tx.Hash();
if (signatures == null || signatures.Count == 0)
{
return(false);
}
return(signatures.Where(s => keypair.Verify(hash, s.Signature.InnerValue)).ToArray().Length >= 1);
}
public static async Task <SubmitTransactionResponse> Submit(this stellar_dotnet_sdk.Transaction tx, ConstellationInfo constellation)
{
using (var server = constellation.StellarNetwork.GetServer())
{
var res = await server.SubmitTransaction(tx);
if (!res.IsSuccess())
{
throw new Exception($"Tx submit error. Result xdr: {res.ResultXdr}");
}
return(res);
}
}
public void TestTransactionWithMuxedAccount()
{
var originalXdr =
"AAAAAgAAAQAAAAAAAAAAAHN2/eiOTNYcwPspSheGs/HQYfXy8cpXRl+qkyIRuUbWAAAAZAAAAAAAAAAIAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAABAAAAD0hhcHB5IGJpcnRoZGF5IQAAAAABAAAAAAAAAAEAAAAA4EiRthjlDMvx/ZR8o2GTsMrssrR/MtMFmqHOfei/mxIAAAAAAAAABKgXyAAAAAAAAAAAAA==";
var tx = Transaction.FromEnvelopeXdr(originalXdr);
var xdr = tx.ToUnsignedEnvelopeXdrBase64(TransactionBase.TransactionXdrVersion.V1);
Assert.AreEqual(originalXdr, xdr);
var back = TransactionBuilder.FromEnvelopeXdr(xdr) as Transaction;
Assert.IsNotNull(back);
Assert.AreEqual(tx.SourceAccount.Address, back.SourceAccount.Address);
CollectionAssert.AreEqual(tx.SourceAccount.PublicKey, back.SourceAccount.PublicKey);
}
public void TestFromXdr()
{
var transaction = Transaction.FromEnvelopeXdr("AAAAAF7FIiDToW1fOYUFBC0dmyufJbFTOa2GQESGz+S2h5ViAAAAZAAKVaMAAAABAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAA7eBSYbzcL5UKo7oXO24y1ckX+XuCtkDsyNHOp1n1bxAAAAAEqBfIAAAAAAAAAAABtoeVYgAAAEDLki9Oi700N60Lo8gUmEFHbKvYG4QSqXiLIt9T0ru2O5BphVl/jR9tYtHAD+UeDYhgXNgwUxqTEu1WukvEyYcD");
var transaction2 = Transaction.FromEnvelopeXdr(transaction.ToEnvelopeXdr());
Assert.AreEqual(transaction.SourceAccount.AccountId, transaction2.SourceAccount.AccountId);
Assert.AreEqual(transaction.SequenceNumber, transaction2.SequenceNumber);
Assert.AreEqual(transaction.Fee, transaction2.Fee);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[0]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[0]).StartingBalance
);
CollectionAssert.AreEqual(transaction.Signatures, transaction2.Signatures);
}
async private Task <Stellar.Transaction> GenerateSignedTransaction(Stellar.KeyPair keypair)
{
long randomSequence = (long)(99999999 - Math.Floor((decimal) new Random().Next() * 65536));
Stellar.Account account = new Stellar.Account(keypair, randomSequence);
Stellar.Transaction.Builder txBuilder = new Stellar.Transaction.Builder(account);
StellarResponses.AssetResponse asset = await new Library.Client().StellarAsset();
Stellar.Operation op = new Stellar.PaymentOperation.Builder(keypair, asset.Asset, "0.000001").Build();
Stellar.Transaction tx = txBuilder.AddOperation(op).Build();
tx.Sign(keypair);
return(Stellar.Transaction.FromEnvelopeXdr(tx.ToEnvelopeXdr()));
}
public void TestFromXdrWithMemo()
{
var transaction = Transaction.FromEnvelopeXdr(
"AAAAACq1Ixcw1fchtF5aLTSw1zaYAYjb3WbBRd4jqYJKThB9AAAAZAA8tDoAAAALAAAAAAAAAAEAAAAZR29sZCBwYXltZW50IGZvciBzZXJ2aWNlcwAAAAAAAAEAAAAAAAAAAQAAAAARREGslec48mbJJygIwZoLvRtL6/gGL4ss2TOpnOUOhgAAAAFHT0xEAAAAACq1Ixcw1fchtF5aLTSw1zaYAYjb3WbBRd4jqYJKThB9AAAAADuaygAAAAAAAAAAAA==");
Assert.AreEqual(1, transaction.Operations.Length);
Assert.IsInstanceOfType(transaction.Memo, typeof(MemoText));
var op = transaction.Operations[0];
Assert.IsNull(op.SourceAccount);
Assert.IsInstanceOfType(op, typeof(PaymentOperation));
var payment = op as PaymentOperation;
Assert.IsNotNull(payment);
Assert.AreEqual("100", payment.Amount);
var asset = payment.Asset as AssetTypeCreditAlphaNum;
Assert.IsNotNull(asset);
Assert.AreEqual("GOLD", asset.Code);
}
public void TestBuilderTimeBounds()
{
// GBPMKIRA2OQW2XZZQUCQILI5TMVZ6JNRKM423BSAISDM7ZFWQ6KWEBC4
var source = KeyPair.FromSecretSeed("SCH27VUZZ6UAKB67BDNF6FA42YMBMQCBKXWGMFD5TZ6S5ZZCZFLRXKHS");
var destination = KeyPair.FromAccountId("GDW6AUTBXTOC7FIKUO5BOO3OGLK4SF7ZPOBLMQHMZDI45J2Z6VXRB5NR");
var account = new Account(source, 2908908335136768L);
var transaction = new Transaction.Builder(account)
.AddOperation(new CreateAccountOperation.Builder(destination, "2000").Build())
.AddTimeBounds(new TimeBounds(42, 1337))
.AddMemo(Memo.Hash("abcdef"))
.Build();
transaction.Sign(source);
// Convert transaction to binary XDR and back again to make sure timebounds are correctly de/serialized.
var bytes = transaction.ToEnvelopeXdrBase64().ToCharArray();
var xdrDataInputStream = new XdrDataInputStream(Convert.FromBase64CharArray(bytes, 0, bytes.Length));
var decodedTransaction = XdrTransaction.Decode(xdrDataInputStream);
Assert.AreEqual(decodedTransaction.TimeBounds.MinTime.InnerValue, 42);
Assert.AreEqual(decodedTransaction.TimeBounds.MaxTime.InnerValue, 1337);
var transaction2 = Transaction.FromEnvelopeXdr(transaction.ToEnvelopeXdr());
Assert.AreEqual(transaction.SourceAccount.AccountId, transaction2.SourceAccount.AccountId);
Assert.AreEqual(transaction.SequenceNumber, transaction2.SequenceNumber);
Assert.AreEqual(transaction.Memo, transaction2.Memo);
Assert.AreEqual(transaction.TimeBounds, transaction2.TimeBounds);
Assert.AreEqual(transaction.Fee, transaction2.Fee);
Assert.AreEqual(
((CreateAccountOperation)transaction.Operations[0]).StartingBalance,
((CreateAccountOperation)transaction2.Operations[0]).StartingBalance
);
}
public abstract Task <TxSubmitModel> SubmitTransaction(stellar_dotnet_sdk.Transaction transaction);
public void SignsChallengeCorrectlyByUser()
{
Stellar.Transaction tx = this.GenerateSignedChallenge(_fixture.UserKeypair, _fixture.DevKeypair);
Assert.True(Library.Utils.Keypair.Verify(tx, _fixture.UserKeypair));
}
public ChallengeFixture()
{
Stellar.Network.UseTestNetwork();
Tx = Stellar.Transaction.FromEnvelopeXdr(new Library.Auth.Challenge().Call(Keypair.SecretSeed));
}
///<summary>Checks challenge transaction signed by user on developer's side.</summary>
///<param name="developerSecret">Developer secret seed</param>
///<param name="xdr">Challenge transaction xdr</param>
///<param name="address">User public key</param>
public Token(string developerSecret, string xdr, string address)
{
this.DeveloperSecret = developerSecret;
this.Tx = Stellar.Transaction.FromEnvelopeXdr(xdr);
this.InnerAddress = address;
}
/// <summary>
/// Submit a transaction to the network.
///
/// This method will check if any of the destination accounts require a memo. Change the SkipMemoRequiredCheck
/// options to change this behaviour.
/// </summary>
/// <param name="transaction"></param>
/// <param name="options"></param>
/// <returns></returns>
public Task <SubmitTransactionResponse> SubmitTransaction(Transaction transaction, SubmitTransactionOptions options)
{
return(SubmitTransaction(transaction.ToEnvelopeXdrBase64(), options));
}