public void Test_SignAndRecover()
{
var keyPair = new EcdsaKeyPair("0xD95D6DB65F3E2223703C5D8E205D98E3E6B470F067B0F94F6C6BF73D4301CE48"
.HexToBytes().ToPrivateKey());
var signer = new TransactionSigner();
var abi = ContractEncoder.Encode("hello()");
var tx = new Transaction
{
To = ContractRegisterer.LatokenContract,
Invocation = ByteString.CopyFrom(abi),
From = keyPair.PublicKey.GetAddress(),
GasPrice = 123123,
/* TODO: "calculate gas limit for input size" */
GasLimit = GasMetering.DefaultBlockGasLimit,
Nonce = 0,
Value = new BigInteger(0).ToUInt256()
};
// using old chain id
var receipt = signer.Sign(tx, keyPair, false);
Assert.AreEqual(receipt.Hash.ToHex(), receipt.FullHash(false).ToHex());
var publicKey = receipt.RecoverPublicKey(false);
Assert.AreEqual(keyPair.PublicKey.ToHex(), publicKey.ToHex());
Assert.AreEqual(keyPair.PublicKey.GetAddress().ToHex(), publicKey.GetAddress().ToHex());
// using new chain id
receipt = signer.Sign(tx, keyPair, true);
Assert.AreEqual(receipt.Hash.ToHex(), receipt.FullHash(true).ToHex());
publicKey = receipt.RecoverPublicKey(true);
Assert.AreEqual(keyPair.PublicKey.ToHex(), publicKey.ToHex());
Assert.AreEqual(keyPair.PublicKey.GetAddress().ToHex(), publicKey.GetAddress().ToHex());
}
public void Test_Tx_Pool_Replacement()
{
_blockManager.TryBuildGenesisBlock();
TestTxPoolAdding();
var privateKey = Crypto.GeneratePrivateKey().ToPrivateKey();
var keyPair = new EcdsaKeyPair(privateKey);
AddRandomTxesToPool(keyPair, out var randomTxes);
var rnd = new Random();
randomTxes = randomTxes.OrderBy(item => rnd.Next()).ToList();
bool useNewChainId = HardforkHeights.IsHardfork_9Active(_blockManager.GetHeight() + 1);
var signer = new TransactionSigner();
foreach (var tx in randomTxes)
{
Console.WriteLine($"nonce: {tx.Transaction.Nonce}");
var newTx = new Transaction(tx.Transaction);
// lower price
newTx.GasPrice = tx.Transaction.GasPrice - 1;
var randomTx = TestUtils.GetRandomTransaction(useNewChainId).Transaction;
newTx.To = randomTx.To;
newTx.Value = randomTx.Value;
newTx.GasLimit = randomTx.GasLimit;
var newTxReceipt = signer.Sign(newTx, keyPair, useNewChainId);
var result = _transactionPool.Add(newTxReceipt);
Console.WriteLine($"old gas price: {tx.Transaction.GasPrice}, new gas price: {newTxReceipt.Transaction.GasPrice}");
Assert.AreEqual(OperatingError.Underpriced, result);
// equal price
newTx.GasPrice = tx.Transaction.GasPrice;
newTxReceipt = signer.Sign(newTx, keyPair, useNewChainId);
result = _transactionPool.Add(newTxReceipt);
Console.WriteLine($"old gas price: {tx.Transaction.GasPrice}, new gas price: {newTxReceipt.Transaction.GasPrice}");
Assert.AreEqual(OperatingError.Underpriced, result);
// higher price
newTx.GasPrice = tx.Transaction.GasPrice + 1;
newTxReceipt = signer.Sign(newTx, keyPair, useNewChainId);
result = _transactionPool.Add(newTxReceipt);
Console.WriteLine($"old gas price: {tx.Transaction.GasPrice}, new gas price: {newTxReceipt.Transaction.GasPrice}");
Assert.AreEqual(OperatingError.DuplicatedTransaction, result);
// higher price and all fields same
newTx = new Transaction(tx.Transaction);
newTx.GasPrice = tx.Transaction.GasPrice + 1;
newTxReceipt = signer.Sign(newTx, keyPair, useNewChainId);
result = _transactionPool.Add(newTxReceipt);
Console.WriteLine($"old gas price: {tx.Transaction.GasPrice}, new gas price: {newTxReceipt.Transaction.GasPrice}");
Assert.AreEqual(OperatingError.Ok, result);
}
}
public void Test_SignIssue()
{
var keyPair = new EcdsaKeyPair("0xd95d6db65f3e2223703c5d8e205d98e3e6b470f067b0f94f6c6bf73d4301ce48"
.HexToBytes().ToPrivateKey());
var signer = new TransactionSigner();
var data =
"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"
.HexToBytes();
var tx = new Transaction
{
To = UInt160Utils.Empty,
Invocation = ByteString.CopyFrom(data),
From = "0x6Bc32575ACb8754886dC283c2c8ac54B1Bd93195".HexToBytes().ToUInt160(),
GasPrice = 1,
GasLimit = 5369560,
Nonce = 0,
Value = new BigInteger(0).ToUInt256()
};
// using old chain id
var receipt = signer.Sign(tx, keyPair, false);
Assert.AreEqual(receipt.Hash.ToHex(), receipt.FullHash(false).ToHex());
var txHashFromWeb3Py = "0x0bd482bdd02f75f4897658f39c6ddf0a4ef0c58b2f4c3acdf0474ba497a0a6d5";
Assert.AreEqual(receipt.Hash.ToHex(), txHashFromWeb3Py);
var publicKey = receipt.RecoverPublicKey(false);
Assert.AreEqual(keyPair.PublicKey.ToHex(), publicKey.ToHex());
Assert.AreEqual(keyPair.PublicKey.GetAddress().ToHex(), publicKey.GetAddress().ToHex());
// using new chain id
receipt = signer.Sign(tx, keyPair, true);
Assert.AreEqual(receipt.Hash.ToHex(), receipt.FullHash(true).ToHex());
txHashFromWeb3Py = "0x45361b6213f2f7115feb7044ab9f52e03f2c7e49bb1866b5d094a0e39f0fa2f6";
Assert.AreEqual(receipt.Hash.ToHex(), txHashFromWeb3Py);
publicKey = receipt.RecoverPublicKey(true);
Assert.AreEqual(keyPair.PublicKey.ToHex(), publicKey.ToHex());
Assert.AreEqual(keyPair.PublicKey.GetAddress().ToHex(), publicKey.GetAddress().ToHex());
}
public static TransactionReceipt GetRandomTransactionFromAddress(EcdsaKeyPair keyPair, ulong nonce, bool useNewChainId)
{
var signer = new TransactionSigner();
byte[] random = new byte[32];
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(random);
var randomValue = new Random().Next(1, 100);
var tx = new Transaction
{
To = random.Slice(0, 20).ToUInt160(),
From = keyPair.PublicKey.GetAddress(),
GasPrice = (ulong)Money.Parse("0.0000001").ToWei(),
GasLimit = 100000000,
Nonce = nonce,
Value = Money.Parse($"{randomValue}.0").ToUInt256()
};
return(signer.Sign(tx, keyPair, useNewChainId));
}
public static TransactionReceipt GetCustomTransaction(string value, string gasPrice, bool useNewChainId)
{
var signer = new TransactionSigner();
byte[] random = new byte[32];
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(random);
var keyPair = new EcdsaKeyPair(random.ToPrivateKey());
var tx = new Transaction
{
To = random.Slice(0, 20).ToUInt160(),
From = keyPair.PublicKey.GetAddress(),
GasPrice = (ulong)Money.Parse(gasPrice).ToWei(),
GasLimit = 100000000,
Nonce = 0,
Value = Money.Parse(value).ToUInt256()
};
return(signer.Sign(tx, keyPair, useNewChainId));
}
public void Test_Tx_Building()
{
var signer = new TransactionSigner();
var keyPair = new EcdsaKeyPair("0xD95D6DB65F3E2223703C5D8E205D98E3E6B470F067B0F94F6C6BF73D4301CE48"
.HexToBytes().ToPrivateKey());
var tx = new Transaction
{
To = "0xB8CD3195faf7da8a87A2816B9b4bBA2A19D25dAb".HexToUInt160(),
From = keyPair.PublicKey.GetAddress(),
GasPrice = (ulong)Money.Parse("0.0000001").ToWei(),
GasLimit = 100000000,
Nonce = 0,
Value = Money.Parse("20.0").ToUInt256()
};
Console.WriteLine($"Tx: from: {tx.From.ToHex()}, to: {tx.To.ToHex()}");
// using old chain id
// this is correct RLP of unsigned ethereum tx with chain id 25, check at https://toolkit.abdk.consulting/ethereum#transaction
var expectedRawHash =
"0xef8085174876e8008405f5e10094b8cd3195faf7da8a87a2816b9b4bba2a19d25dab8901158e460913d0000080198080"
.HexToBytes()
.Keccak();
Assert.AreEqual(expectedRawHash, tx.RawHash(false));
// this is correct RLP of signed ethereum tx with chain id 25, check at https://toolkit.abdk.consulting/ethereum#transaction
// signature is deterministic in compliance with https://tools.ietf.org/html/rfc6979
var expectedFullHash =
"0xf86f8085174876e8008405f5e10094b8cd3195faf7da8a87a2816b9b4bba2a19d25dab8901158e460913d000008055a0c763aabd0587adb01786db24eac39c76a22bfcf97d19ad07f3b64ddd2294bdeba04710bc793cd49e4a957cc4babec18c27eabd8c873267b1fdb4943f16de22321f"
.HexToBytes()
.Keccak();
var receipt = signer.Sign(tx, keyPair, false);
Assert.AreEqual(
expectedFullHash,
receipt.Hash
);
var pubKey = receipt.RecoverPublicKey(false);
Assert.AreEqual(receipt.Transaction.From.ToHex(), pubKey.GetAddress().ToHex());
// using new chain id
// this is correct RLP of unsigned ethereum tx with chain id 225, check at https://toolkit.abdk.consulting/ethereum#transaction
expectedRawHash =
"0xf08085174876e8008405f5e10094b8cd3195faf7da8a87a2816b9b4bba2a19d25dab8901158e460913d000008081e18080"
.HexToBytes()
.Keccak();
Assert.AreEqual(expectedRawHash, tx.RawHash(true));
// this is correct RLP of signed ethereum tx with chain id 225, check at https://toolkit.abdk.consulting/ethereum#transaction
// signature is deterministic in compliance with https://tools.ietf.org/html/rfc6979
expectedFullHash =
"0xf8718085174876e8008405f5e10094b8cd3195faf7da8a87a2816b9b4bba2a19d25dab8901158e460913d00000808201e5a07daf59f5e3223da3732ff0f0ffc464c533a881245fe00d09573c792f8a5f055aa067da9775fd1253f05215f961a019b619cc4d2aa8e2ae6c29c8232152f6692c24"
.HexToBytes()
.Keccak();
receipt = signer.Sign(tx, keyPair, true);
Assert.AreEqual(
expectedFullHash,
receipt.Hash
);
pubKey = receipt.RecoverPublicKey(true);
Assert.AreEqual(receipt.Transaction.From.ToHex(), pubKey.GetAddress().ToHex());
}
