private object RouteConvertAddressETH(HTTPRequest request)
{
var ethKey = request.GetVariable("ethKey");
var context = InitContext(request);
EthereumKey ethKeys;
ethKeys = EthereumKey.FromWIF(ethKey);
var result = $"{ethKeys.ToString()}";
return(result);
}
public string SignTransaction(EthereumKey keys, int nonce, string receiveAddress, BigInteger amount, BigInteger gasPrice, BigInteger gasLimit, string data = null)
{
var realAmount = System.Numerics.BigInteger.Parse(amount.ToString());
//Create a transaction from scratch
var tx = new Phantasma.Ethereum.Signer.Transaction(receiveAddress, realAmount, nonce,
System.Numerics.BigInteger.Parse(gasPrice.ToString()),
System.Numerics.BigInteger.Parse(gasLimit.ToString()),
data);
tx.Sign(new EthECKey(keys.PrivateKey, true));
var encoded = tx.GetRLPEncoded();
return("0x" + Base16.Encode(encoded));
}
private object RouteConvertAddressETHHEX(HTTPRequest request)
{
var ethKey = request.GetVariable("ethKey");
var context = InitContext(request);
EthereumKey ethKeys;
var bytes = Base16.Decode(ethKey);
var temp = new PhantasmaKeys(bytes);
ethKeys = EthereumKey.FromWIF(temp.ToWIF());
var result = $"{ethKeys.ToString()}";
return(result);
}
public string SignTokenTransaction(EthereumKey keys, int nonce, string tokenContract, string receiveAddress, BigInteger amount, BigInteger gasPrice, BigInteger gasLimit)
{
var transferMethodHash = "a9059cbb";
var to = receiveAddress.Substring(2).PadLeft(64, '0');
var amountHex = amount.ToHex().PadLeft(64, '0');
//Create a transaction from scratch
var tx = new Phantasma.Ethereum.Signer.Transaction(tokenContract,
0, // Ammount of ETH to be transfered (0)
nonce,
System.Numerics.BigInteger.Parse(gasPrice.ToString()),
System.Numerics.BigInteger.Parse(gasLimit.ToString()),
transferMethodHash + to + amountHex);
tx.Sign(new EthECKey(keys.PrivateKey, true));
var encoded = tx.GetRLPEncoded();
return("0x" + Base16.Encode(encoded));
}
private object RouteInvokeSettleTxETH(HTTPRequest request)
{
var txHash = request.GetVariable("txHash");
var ethKey = request.GetVariable("ethKey");
var assetSymbol = request.GetVariable("assetSymbol");
var context = InitContext(request);
var phantasmaKeys = GetLoginKey(request);
InvalidateCache(phantasmaKeys.Address);
if (context["holdings"] is Holding[] balance)
{
EthereumKey ethKeys;
ethKeys = EthereumKey.FromWIF(ethKey);
var result = AccountController.InvokeSettleTxETH(ethKeys, phantasmaKeys, txHash, assetSymbol).Result;
ResetSessionSendFields(request);
return(result);
}
return(null);
}
protected void onShowInteropKeys(string[] args)
{
var wif = args[0];
if (string.IsNullOrEmpty(wif))
{
Console.WriteLine("Wif cannot be empty");
return;
}
var platformName = args[1];
if (string.IsNullOrEmpty(platformName))
{
Console.WriteLine("Wif cannot be empty");
return;
}
var genesisHash = _cli.Nexus.GetGenesisHash(_cli.Nexus.RootStorage);
var interopKeys = InteropUtils.GenerateInteropKeys(PhantasmaKeys.FromWIF(wif), genesisHash, platformName);
switch (platformName)
{
case EthereumWallet.EthereumPlatform:
var ethKeys = EthereumKey.FromWIF(interopKeys.ToWIF());
Console.WriteLine($"Platfrom: {platformName}");
Console.WriteLine($"WIF: {ethKeys.GetWIF()}");
Console.WriteLine($"Private key: {ethKeys.PrivateKey.ToHex()}");
Console.WriteLine($"Address: {ethKeys.Address}");
break;
case NeoWallet.NeoPlatform:
Console.WriteLine($"Not yet added, feel free to add.");
break;
}
}
public IEnumerator ECDsaSecP256k1()
{
// Eth address: "0x66571c32d77c4852be4c282eb952ba94efbeac20";
var key = "6f6784731c4e526c97fa6a97b6f22e96f307588c5868bc2c545248bc31207eb1";
Assert.IsTrue(key.Length == 64);
var privBytes = Base16.Decode(key);
var phantasmaKeys = new PhantasmaKeys(privBytes);
var wif = phantasmaKeys.ToWIF();
var ethKeys = EthereumKey.FromWIF(wif);
Debug.Log("Eth address: " + ethKeys);
var pKey = ECCurve.Secp256k1.G * privBytes;
var ethPublicKeyCompressed = pKey.EncodePoint(true).ToArray();
Debug.Log("Eth compressed public key: " + Base16.Encode(ethPublicKeyCompressed));
var ethPublicKeyUncompressed = pKey.EncodePoint(false).Skip(1).ToArray();
Debug.Log("Eth uncompressed public key: " + Base16.Encode(ethPublicKeyUncompressed));
var msgBytes = Encoding.ASCII.GetBytes("Phantasma");
var signature = ethKeys.Sign(msgBytes, (message, prikey, pubkey) =>
{
return(Phantasma.Neo.Utils.CryptoUtils.Sign(message, prikey, pubkey, Phantasma.Cryptography.ECC.ECDsaCurve.Secp256k1));
});
var ecdsaSignature = (ECDsaSignature)signature;
var signatureSerialized = signature.Serialize(); // signature.ToByteArray() gives same result
Debug.Log("\nSignature (RAW concatenated r & s, hex):\n" + Base16.Encode(ecdsaSignature.Bytes));
// Curve byte: ECDsaCurve enum: Secp256r1 = 0, Secp256k1 = 1.
// Following is the format we use for signature:
Debug.Log("\nSignature (curve byte + signature length + concatenated r & s, hex):\n" + Base16.Encode(signatureSerialized));
var signatureDEREncoded = ethKeys.Sign(msgBytes, (message, prikey, pubkey) =>
{
return(Phantasma.Neo.Utils.CryptoUtils.Sign(message, prikey, pubkey, Phantasma.Cryptography.ECC.ECDsaCurve.Secp256k1, Neo.Utils.CryptoUtils.SignatureFormat.DEREncoded));
});
var ecdsaSignatureDEREncoded = (ECDsaSignature)signatureDEREncoded;
Debug.Log("\nSignature (RAW DER-encoded, hex):\n" + Base16.Encode(ecdsaSignatureDEREncoded.Bytes));
Debug.Log("\nSignature (curve byte + signature length + DER-encoded, hex):\n" + Base16.Encode(signatureDEREncoded.Serialize()));
// Since ECDsaSignature class not working for us,
// we use signature .Bytes directly to verify it with Bouncy Castle.
// Verifying concatenated signature / compressed Eth public key.
Assert.IsTrue(Phantasma.Neo.Utils.CryptoUtils.Verify(msgBytes, ecdsaSignature.Bytes, ethPublicKeyCompressed, ECDsaCurve.Secp256k1));
// Verifying concatenated signature / uncompressed Eth public key.
// Not working with Bouncy Castle.
// Assert.IsTrue(Phantasma.Neo.Utils.CryptoUtils.Verify(msgBytes, ecdsaSignature.Bytes, ethPublicKeyUncompressed, ECDsaCurve.Secp256k1));
// Verifying DER signature.
Assert.IsTrue(Phantasma.Neo.Utils.CryptoUtils.Verify(msgBytes, ecdsaSignatureDEREncoded.Bytes, ethPublicKeyCompressed, ECDsaCurve.Secp256k1, Neo.Utils.CryptoUtils.SignatureFormat.DEREncoded));
// This method we cannot use, it gives "System.NotImplementedException : The method or operation is not implemented."
// exception in Unity, because Unity does not fully support .NET cryptography.
// Assert.IsTrue(((ECDsaSignature)signature).Verify(msgBytes, Address.FromKey(ethKeys)));
// Failes for same reason: "System.NotImplementedException".
// Assert.IsTrue(CryptoExtensions.VerifySignatureECDsa(msgBytes, signatureSerialized, ethPublicKeyCompressed, ECDsaCurve.Secp256k1));
yield return(null);
}
