public string SignTransaction(string privateKey, string serializedTransactionBase64)
{
try
{
var serializedTransaction = System.Text.Encoding.UTF8.DecodeBase64(serializedTransactionBase64);
var pkBytes = new Bytes(privateKey);
var wallet = Lykke.Icon.Sdk.KeyWallet.Load(pkBytes);
var transaction = TransactionDeserializer.Deserialize(serializedTransaction);
var signedTr = new SignedTransaction(transaction, wallet);
var props = signedTr.GetProperties();
var serializedSignedTransaction = SignedTransaction.Serialize(props);
var base64 = System.Text.Encoding.UTF8.EncodeBase64(serializedSignedTransaction);
return(base64);
}
catch (Exception e)
{
if (e is FormatException || e is ArgumentOutOfRangeException)
{
throw new ArgumentException(e.Message);
}
throw;
}
}
public void CheckVerificationMalformedSignature()
{
var randomKey = KeyWallet.Create();
var from = wallet.GetAddress();
var to = new Address("hx5bfdb090f43a808005ffc27c25b213145e80b7cd");
var transaction = TransactionBuilder.CreateBuilder()
.Nid(NetworkId.Main)
.From(from)
.To(to)
.Value(BigInteger.Parse("0de0b6b3a7640000", NumberStyles.AllowHexSpecifier))
.StepLimit(BigInteger.Parse("12345", NumberStyles.AllowHexSpecifier))
.Timestamp(BigInteger.Parse("563a6cf330136", NumberStyles.AllowHexSpecifier))
.Nonce(BigInteger.Parse("1"))
.Build();
var signedTransaction = new SignedTransaction(transaction, wallet);
var transactionProps = signedTransaction.GetTransactionProperties();
var allProps = signedTransaction.GetProperties();
var hash = SignedTransaction.GetTransactionHash(transactionProps);
var signature = Base64.Decode(allProps.GetItem("signature").ToString());
signature[64] = 212;
var result = EcdsaSignature.VerifySignature(randomKey.GetAddress(), signature, hash);
Assert.False(result);
}
public void TestIcxDeserialize()
{
var from = wallet.GetAddress();
var to = new Address("hx5bfdb090f43a808005ffc27c25b213145e80b7cd");
var transaction = TransactionBuilder.CreateBuilder()
.Nid(NetworkId.Main)
.From(from)
.To(to)
.Value(BigInteger.Parse("0de0b6b3a7640000", NumberStyles.AllowHexSpecifier))
.StepLimit(BigInteger.Parse("12345", NumberStyles.AllowHexSpecifier))
.Timestamp(BigInteger.Parse("563a6cf330136", NumberStyles.AllowHexSpecifier))
.Nonce(BigInteger.Parse("1"))
.Build();
var signedTransaction = new SignedTransaction(transaction, wallet);
var properties = signedTransaction.GetProperties();
var serialize = SignedTransaction.Serialize(properties);
var deserializedTransaction = SignedTransaction.Deserialize(serialize);
TransactionAssertion.CompareTransactions(transaction, deserializedTransaction);
}
public async Task BroadcastTransactionAsync__Transaction_Is_Broadcasted__Transaction_Is_Sent()
{
var blockchainService = _container.Resolve <IBlockchainService>();
string from = _secretWallet.GetAddress().ToString();
string to = _toWallet.GetAddress().ToString();
BigInteger amount = BigInteger.Parse("100000000000000");
BigInteger gasAmount = BigInteger.Parse("1000000");
BigInteger gasPrice = 1;
var transaction = blockchainService.BuildTransaction(from, to, amount, gasAmount, gasPrice, 0);
string txDataStr = System.Text.Encoding.UTF8.DecodeBase64(transaction);
var iconTransaction = TransactionDeserializer.Deserialize(txDataStr);
var signedTransaction = new SignedTransaction(iconTransaction, _secretWallet);
var properties = signedTransaction.GetProperties();
var transactionProperties = signedTransaction.GetTransactionProperties();
var transactionHash = SignedTransaction.GetTransactionHash(transactionProperties);
var serializedSignedTransaction = SignedTransaction.Serialize(properties);
string serializedSignedTransactionBase64 = System.Text.Encoding.UTF8.EncodeBase64(serializedSignedTransaction);
var expectedTxHash = (new Bytes(transactionHash)).ToHexString(true);
var txHash = await blockchainService.BroadcastTransactionAsync(serializedSignedTransactionBase64);
Assert.Equal(expectedTxHash, txHash);
}