public void Test_eip155_for_the_first_ropsten_transaction()
{
Transaction tx = Rlp.Decode <Transaction>(new Rlp(Bytes.FromHexString("0xf85f808082520894353535353535353535353535353535353535353580801ca08d24b906be2d91a0bf2168862726991cc408cddf94cb087b392ce992573be891a077964b4e55a5c8ec7b85087d619c641c06def33ab052331337ca9efcd6b82aef")));
Assert.AreEqual(new Keccak("0x5fd225549ed5c587c843e04578bdd4240fc0d7ab61f8e9faa37e84ec8dc8766d"), tx.Hash, "hash");
EthereumSigner signer = new EthereumSigner(RopstenSpecProvider.Instance, NullLogManager.Instance);
Address from = signer.RecoverAddress(tx, 11);
Assert.AreEqual(new Address("0x874b54a8bd152966d63f706bae1ffeb0411921e5"), from, "from");
}
public void Sign_and_recover()
{
EthereumSigner ethereumSigner = new EthereumSigner(OlympicSpecProvider.Instance, NullLogManager.Instance);
Keccak message = Keccak.Compute("Test message");
PrivateKey privateKey = new PrivateKey(_cryptoRandom.GenerateRandomBytes(32));
Signature signature = ethereumSigner.Sign(privateKey, message);
Assert.AreEqual(privateKey.Address, ethereumSigner.RecoverAddress(signature, message));
}
public void Sign_and_recover()
{
EthereumSigner ethereumSigner = new EthereumSigner(OlympicSpecProvider.Instance, NullLogManager.Instance);
Keccak message = Keccak.Compute("Test message");
PrivateKey privateKey = Build.A.PrivateKey.TestObject;
Signature signature = ethereumSigner.Sign(privateKey, message);
Assert.AreEqual(privateKey.Address, ethereumSigner.RecoverAddress(signature, message));
}
public void Signature_test_olympic(int blockNumber)
{
EthereumSigner signer = new EthereumSigner(OlympicSpecProvider.Instance, NullLogManager.Instance);
PrivateKey key = Build.A.PrivateKey.TestObject;
Transaction tx = Build.A.Transaction.TestObject;
signer.Sign(key, tx, blockNumber);
Address address = signer.RecoverAddress(tx, blockNumber);
Assert.AreEqual(key.Address, address);
}
public void Sign_goerli()
{
EthereumSigner signer = new EthereumSigner(GoerliSpecProvider.Instance, LimboLogs.Instance);
PrivateKey key = Build.A.PrivateKey.TestObject;
Transaction tx = Build.A.Transaction.TestObject;
signer.Sign(key, tx, 1);
Address address = signer.RecoverAddress(tx, 1);
Assert.AreEqual(key.Address, address);
}
public void Signature_test_ropsten(uint blockNumber)
{
EthereumSigner signer = new EthereumSigner(RopstenSpecProvider.Instance, LimboLogs.Instance);
PrivateKey key = Build.A.PrivateKey.TestObject;
Transaction tx = Build.A.Transaction.TestObject;
signer.Sign(key, tx, blockNumber);
Address address = signer.RecoverAddress(tx, blockNumber);
Assert.AreEqual(key.Address, address);
}
public void Can_sign()
{
EthereumSigner signer = new EthereumSigner(new SingleReleaseSpecProvider(LatestRelease.Instance, 99), NullLogManager.Instance);
DevWallet wallet = new DevWallet(NullLogManager.Instance);
for (int i = 1; i <= 10; i++)
{
Address signerAddress = wallet.GetAccounts()[0];
Signature sig = wallet.Sign(signerAddress, TestObject.KeccakA);
Address recovered = signer.RecoverAddress(sig, TestObject.KeccakA);
Assert.AreEqual(signerAddress, recovered, $"{i}");
}
}
public void Can_sign_on_networks_with_chain_id(DevWalletType walletType)
{
const int networkId = 40000;
EthereumSigner signer = new EthereumSigner(new SingleReleaseSpecProvider(LatestRelease.Instance, networkId), NullLogManager.Instance);
IWallet wallet = SetupWallet(walletType);
for (int i = 1; i <= (walletType == DevWalletType.Memory ? 10 : 3); i++)
{
Address signerAddress = wallet.GetAccounts()[0];
Transaction tx = new Transaction();
tx.SenderAddress = signerAddress;
wallet.Sign(tx, networkId);
Address recovered = signer.RecoverAddress(tx, networkId);
Assert.AreEqual(signerAddress, recovered, $"{i}");
Assert.AreEqual(networkId, tx.Signature.GetChainId, "chainId");
}
}
public (byte[], bool) Run(byte[] inputData)
{
inputData = (inputData ?? Bytes.Empty).PadRight(128);
Keccak hash = new Keccak(inputData.Slice(0, 32));
byte[] vBytes = inputData.Slice(32, 32);
byte[] r = inputData.Slice(64, 32);
byte[] s = inputData.Slice(96, 32);
// TEST: CALLCODEEcrecoverV_prefixedf0_d0g0v0
// TEST: CALLCODEEcrecoverV_prefixedf0_d1g0v0
for (int i = 0; i < 31; i++)
{
if (vBytes[i] != 0)
{
return(Bytes.Empty, true);
}
}
byte v = vBytes[31];
if (v != 27 && v != 28)
{
return(Bytes.Empty, true);
}
Signature signature = new Signature(r, s, v);
Address recovered = _signer.RecoverAddress(signature, hash);
if (recovered == null)
{
return(Bytes.Empty, true);
}
return(((byte[])recovered.Hex).PadLeft(32), true); // TODO: change recovery code to return bytes?
}