public void Hash160Test()
{
var data = Encoding.ASCII.GetBytes("hello");
var hash160 = HashUtilities.Hash160(data);
var actual = HexUtilities.BytesToHexString(hash160);
var expected = "b6a9c8c230722b7c748331a8b450f05566dc7d0f";
Assert.AreEqual(expected, actual);
}
public void RipeMd160Test()
{
var data = Encoding.ASCII.GetBytes("hello");
var ripeMd160Hash = HashUtilities.RipeMd160(data);
var actual = HexUtilities.BytesToHexString(ripeMd160Hash);
var expected = "108f07b8382412612c048d07d13f814118445acd";
Assert.AreEqual(expected, actual);
}
public void DoubleSha256Test()
{
var data = Encoding.ASCII.GetBytes("hello");
var dblSha256Hash = HashUtilities.DoubleSha256(data);
var actual = HexUtilities.BytesToHexString(dblSha256Hash);
var expected = "9595c9df90075148eb06860365df33584b75bff782a510c6cd4883a419833d50";
Assert.AreEqual(expected, actual);
}
public void Sha256Test()
{
var data = Encoding.ASCII.GetBytes("hello");
var sha256Hash = HashUtilities.Sha256(data);
var actual = HexUtilities.BytesToHexString(sha256Hash);
var expected = "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824";
Assert.AreEqual(expected, actual);
}
public void BigIntegerToBytesTest()
{
// Uncompressed Public Key
var xValStr = "50863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B2352";
var yValStr = "2CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6";
var expected = "0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B23522CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6";
var xVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(xValStr);
var yVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(yValStr);
var bytes = new byte[65]; // type byte + 32 bytes for X + 32 bytes for Y
bytes[0] = 0x04;
xVal.PositiveValToBigEndianBytes(bytes, 1, 32);
yVal.PositiveValToBigEndianBytes(bytes, 33, 32);
var hexStr = HexUtilities.BytesToHexString(bytes, false);
Assert.AreEqual(expected, hexStr);
// Arbitrary data to arbitrary position in buffer
var str1 = "010203040506";
var str2 = "ABCDEF";
expected = "010203040506000000ABCDEF";
var val1 = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(str1);
var val2 = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(str2);
bytes = new byte[12];
val1.PositiveValToBigEndianBytes(bytes, 0, 6);
val2.PositiveValToBigEndianBytes(bytes, 9, 3);
hexStr = HexUtilities.BytesToHexString(bytes, false);
Assert.AreEqual(expected, hexStr);
// Arbitrary data to arbitrary position in buffer, right aligned
str1 = "010203040506";
str2 = "ABCDEF";
expected = "010203040506000000ABCDEF";
val1 = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(str1);
val2 = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(str2);
bytes = new byte[12];
val1.PositiveValToBigEndianBytes(bytes, 0, 6);
val2.PositiveValToBigEndianBytes(bytes, 6, 6);
hexStr = HexUtilities.BytesToHexString(bytes, false);
Assert.AreEqual(expected, hexStr);
}
public void BytesToHexStringTest()
{
var bytes = new byte[] { 0x01, 0x80, 0xFF };
var hexLower = HexUtilities.BytesToHexString(bytes, true);
Assert.AreEqual("0180ff", hexLower);
var hexUpper = HexUtilities.BytesToHexString(bytes, false);
Assert.AreEqual("0180FF", hexUpper);
bytes = new byte[0];
var hexEmpty = HexUtilities.BytesToHexString(bytes);
Assert.AreEqual(string.Empty, hexEmpty);
bytes = new byte[] { 0x00, 0x00 };
var hexZero = HexUtilities.BytesToHexString(bytes);
Assert.AreEqual("0000", hexZero);
}
public void PubKeyBytesTest()
{
var uncompressed = "049d5ca49670cbe4c3bfa84c96a8c87df086c6ea6a24ba6b809c9de234496808d56fa15cc7f3d38cda98dee2419f415b7513dde1301f8643cd9245aea7f3f911f9";
var compressed = "039d5ca49670cbe4c3bfa84c96a8c87df086c6ea6a24ba6b809c9de234496808d5";
var prvKey = new PrivateKey(BigInteger.Pow(999, 3), false, false);
var pubKey = prvKey.GetPublicKey();
var bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(uncompressed, HexUtilities.BytesToHexString(bytes));
prvKey = new PrivateKey(BigInteger.Pow(999, 3), false, true);
pubKey = prvKey.GetPublicKey();
bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(compressed, HexUtilities.BytesToHexString(bytes));
uncompressed = "04a598a8030da6d86c6bc7f2f5144ea549d28211ea58faa70ebf4c1e665c1fe9b5204b5d6f84822c307e4b4a7140737aec23fc63b65b35f86a10026dbd2d864e6b";
compressed = "03a598a8030da6d86c6bc7f2f5144ea549d28211ea58faa70ebf4c1e665c1fe9b5";
prvKey = new PrivateKey(123, false, false);
pubKey = prvKey.GetPublicKey();
bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(uncompressed, HexUtilities.BytesToHexString(bytes));
prvKey = new PrivateKey(123, false, true);
pubKey = prvKey.GetPublicKey();
bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(compressed, HexUtilities.BytesToHexString(bytes));
uncompressed = "04aee2e7d843f7430097859e2bc603abcc3274ff8169c1a469fee0f20614066f8e21ec53f40efac47ac1c5211b2123527e0e9b57ede790c4da1e72c91fb7da54a3";
compressed = "03aee2e7d843f7430097859e2bc603abcc3274ff8169c1a469fee0f20614066f8e";
prvKey = new PrivateKey(42424242, false, false);
pubKey = prvKey.GetPublicKey();
bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(uncompressed, HexUtilities.BytesToHexString(bytes));
prvKey = new PrivateKey(42424242, false, true);
pubKey = prvKey.GetPublicKey();
bytes = pubKey.GetPublicKeyBytes();
Assert.AreEqual(compressed, HexUtilities.BytesToHexString(bytes));
}
public void AddressTest()
{
// Uncompressed Public Key
var ecdsaPrivateKey = "18E14A7B6A307F426A94F8114701E7C8E774E7F9A47E2C2035DB29A206321725";
var expectedPubXVal = "50863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B2352";
var expectedPubYVal = "2CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6";
var expectedPubKey = "0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B23522CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6";
var expectedAddress = "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM";
var prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString(ecdsaPrivateKey);
var prvKey = new PrivateKey(prvKeyVal, false, false);
var pubKey = prvKey.GetPublicKey();
Assert.AreEqual(expectedPubXVal, pubKey.X.PositiveValToHexString(false));
Assert.AreEqual(expectedPubYVal, pubKey.Y.PositiveValToHexString(false));
var pubKeyBytes = pubKey.GetPublicKeyBytes();
var pubKeyString = HexUtilities.BytesToHexString(pubKeyBytes, false);
Assert.AreEqual(expectedPubKey, pubKeyString);
var address = pubKey.GetAddress();
Assert.AreEqual(expectedAddress, address);
}