public static void ReceivingAndMaekingManyTransfer_SouldHaveValidTransactionChain()
{
//Arrange
var goofy = new Goofy();
var person1 = new Person();
var person2 = new Person();
var person3 = new Person();
Global.GoofyPk = goofy.PublicKey;
var trans1 = goofy.CreateCoin(person1.PublicKey);
//Action
person1.AddTransaction(trans1);
var trans2 = person1.PayTo(person2.PublicKey);
person2.AddTransaction(trans2);
var trans3 = person2.PayTo(person3.PublicKey);
//Assert
try
{
trans3.CheckTransaction();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public static void DoubleSpendAttach_SouldHaveValidTransactionChain()
{
//Arrange
var goofy = new Goofy();
var person1 = new Signature(256);
var person2 = new Person();
var person3 = new Person();
Global.GoofyPk = goofy.PublicKey;
var trans1 = goofy.CreateCoin(person1.PublicKey);
//Action
var sgndTrans1 = person1.SignMessage(trans1);
var trans2 = trans1.Payto(sgndTrans1, person2.PublicKey);
var trans3 = trans1.Payto(sgndTrans1, person3.PublicKey);
//Assert
try
{
trans2.CheckTransaction();
trans3.CheckTransaction();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public static void ReceivingAndMaekingTransfer_SouldHaveValidTransactionChain()
{
//Arrange
var goofy = new Goofy();
var person1 = new Signature(256);
var person2 = new Person();
Global.GoofyPk = goofy.PublicKey;
var trans1 = goofy.CreateCoin(person1.PublicKey);
//Action
var sgndTrans1 = person1.SignMessage(trans1);
var trans2 = trans1.Payto(sgndTrans1, person2.PublicKey);
//Assert
try
{
//trans2.isValidTransaction(); //previous.receiverPk == previousTransSignedByMe.PublicKey;
trans2.CheckTransaction();
if (!sgndTrans1.isValidSignedMsg(trans1))
throw new Exception("The signature of the previous transaction and his pk are invalid");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
static void Main(string[] args)
{
Counter.Coin = 0;
Counter.Signature = 0;
Counter.Transaction = 0;
var goofy = new Goofy();
var alice = new Person();
var bob = new Person();
var clark = new Person();
//goofy transaction
var goofyTrans = goofy.CreateCoin(alice.PublicKey);
//alice transaction
alice.AddTransaction(goofyTrans);
var aliceTrans = alice.PayTo(bob.PublicKey);
//bob transaction
bob.AddTransaction(aliceTrans);
var bobTrans = bob.PayTo(clark.PublicKey);
//clark transaction
clark.AddTransaction(bobTrans);
Tests.GoofyCreateAndTansferCoin_SouldHaveValidCoin();
Tests.ReceivingAndMaekingTransfer_SouldHaveValidTransactionChain();
Tests.ReceivingAndMaekingManyTransfer_SouldHaveValidTransactionChain();
Tests.DoubleSpendAttach_SouldHaveValidTransactionChain();
//byte[] publickey;
//byte[] data;
//byte[] dataHash;
//byte[] signature;
//byte[] signature2;
//using (var dsa = new ECDsaCng(256))
//{
// dsa.HashAlgorithm = CngAlgorithm.Sha256;
// publickey = dsa.Key.Export(CngKeyBlobFormat.EccPublicBlob);
// data = new byte[] { 21, 5, 8, 12, 207 };
// dataHash = new SHA1Managed().ComputeHash(data);
// //dataHash = new SHA256Cng().ComputeHash(data);
// signature = dsa.SignData(data);
// signature2 = dsa.SignHash(dataHash);
//}
//Console.WriteLine(signature.Length);
//Console.WriteLine(Convert.ToBase64String(signature));
//using (var dsa = new ECDsaCng(CngKey.Import(publickey, CngKeyBlobFormat.EccPublicBlob)))
//{
// dsa.HashAlgorithm = CngAlgorithm.Sha256;
// if (dsa.VerifyData(data, signature))
// Console.WriteLine("Data is good");
// else
// Console.WriteLine("Data is bad");
// if (dsa.VerifyHash(dataHash, signature2))
// Console.WriteLine("Data is good");
// else
// Console.WriteLine("Data is bad");
//}
//Console.ReadKey();
//String a = "Hello wrold!";
//Object b = a;
//byte[] c;
//BinaryFormatter bf = new BinaryFormatter();
//using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
//{
// bf.Serialize(ms, b);
// c = ms.ToArray();
//}
//String d;
//using (var memStream = new System.IO.MemoryStream())
//{
// var binForm = new BinaryFormatter();
// memStream.Write(c, 0, c.Length);
// memStream.Seek(0, System.IO.SeekOrigin.Begin);
// var obj = binForm.Deserialize(memStream);
// d = (String) obj;
//}
Console.ReadKey();
//Org.BouncyCastle.Asn1.X9.X9ECParameters ecp = Org.BouncyCastle.Asn1.Sec.SecNamedCurves.GetByName("secp256k1");
//ECDomainParameters params = new ECDomainParameters(ecp.Curve, ecp.G, ecp.N, ecp.H);
//ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(
//ecp.curve.decodePoint(Hex.decode("045894609CCECF9A92533F630DE713A958E96C97CCB8F5ABB5A688A238DEED6DC2D9D0C94EBFB7D526BA6A61764175B99CB6011E2047F9F067293F57F5")), // Q
//params);
//PublicKey pubKey = f.generatePublic(pubKeySpec);
//var signer = SignerUtilities.GetSigner("ECDSA"); // possibly similar to SHA-1withECDSA
//signer.Init(false, pubKey);
//signer.BlockUpdate(plainTextAsBytes, 0, plainTextAsBytes.Length);
//return signer.VerifySignature(signature);
}
