public SwitcheoAuthenticationProvider(ApiCredentials credentials, BlockchainType keyType)
: base(new ApiCredentials(new PrivateKey(EnsureHexFormat(credentials.PrivateKey.Key,
credentials.PrivateKey?.Passphrase))))
{
if (this.CanSign)
{
if (keyType == BlockchainType.Qtum || keyType == BlockchainType.Ethereum)
{
throw new NotImplementedException();
}
try
{
this.KeyType = keyType;
SecureString readablePrivateKey = credentials.PrivateKey.Key;
// Decrypting private key if Nep2 format was provided
if (WalletsHelper.IsNep2(credentials.PrivateKey.Key))
{
readablePrivateKey = Nep2.Decrypt(credentials.PrivateKey.Key.GetString(),
credentials.PrivateKey.Passphrase.GetString()).Result.ToHexString().ToSecureString();
}
// Extracting wallet informations (public key, script hash, address and fixed address)
this.WalletInformations = WalletsHelper.GetWalletInformations(readablePrivateKey, keyType);
}
catch (Exception)
{
throw privateKeyException;
}
}
}
private static SecureString EnsureHexFormat(SecureString privateKey, SecureString passphrase = null)
{
try
{
//TODO: BlockchainType.Qtum, BlockchainType.Ethereum ...
SecureString _privateKey = privateKey;
if (WalletsHelper.IsNep2(privateKey) && passphrase != null)
{
_privateKey = Nep2.Decrypt(privateKey.GetString(), passphrase.GetString()).Result.ToHexString().ToSecureString();
}
else
{
if (privateKey != null && privateKey.Length > 0)
{
if (!WalletsHelper.IsHex(privateKey.GetString()))
{
_privateKey = WalletsHelper.ConvertToHex(privateKey);
}
}
}
return(_privateKey);
}
catch (Exception)
{
throw privateKeyException;
}
}
public static KeyPair GetKeysFromNep2(string nep2, string passphrase, ScryptParameters scryptParameters)
{
byte[] privateKey = Nep2.DecryptKey(nep2, passphrase, scryptParameters);
KeyPair key = new KeyPair(privateKey);
Array.Clear(privateKey, 0, privateKey.Length);
return(key);
}
public static void DecryptTest2()
{
var decryptedWif = Nep2.Decrypt("6PYN6mjwYfjPUuYT3Exajvx25UddFVLpCw4bMsmtLdnKwZ9t1Mi3CfKe8S", "Satoshi")
.Result;
var wifBytes = Wallet.GetPrivateKeyFromWif("KwYgW8gcxj1JWJXhPSu4Fqwzfhp5Yfi42mdYmMa4XqK7NJxXUSK7");
Assert.Equal(decryptedWif, wifBytes);
}
public static void DecryptTest1()
{
var decryptedWif = Nep2.Decrypt("6PYVPVe1fQznphjbUxXP9KZJqPMVnVwCx5s5pr5axRJ8uHkMtZg97eT5kL", "TestingOneTwoThree")
.Result;
var wifBytes = Wallet.GetPrivateKeyFromWif("L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP");
Assert.Equal(decryptedWif, wifBytes);
}
public static void EncryptTest1()
{
string password = "******";
var wif = "L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP";
var wifBytes = Wallet.GetPrivateKeyFromWif(wif);
var wifHexString = wifBytes.ToHexString().ToUpper();
var encrypted = Nep2.Encrypt(wif, password, ScryptParameters.Default).Result;
Assert.Equal("CBF4B9F70470856BB4F40F80B87EDB90865997FFEE6DF315AB166D713AF433A5", wifHexString);
Assert.Equal("6PYVPVe1fQznphjbUxXP9KZJqPMVnVwCx5s5pr5axRJ8uHkMtZg97eT5kL", encrypted);
}
public static void EncryptTest2()
{
string password = "******";
var wif = "KwYgW8gcxj1JWJXhPSu4Fqwzfhp5Yfi42mdYmMa4XqK7NJxXUSK7";
var wifBytes = Wallet.GetPrivateKeyFromWif(wif);
var wifHexString = wifBytes.ToHexString().ToUpper();
var encrypted = Nep2.Encrypt(wif, password, ScryptParameters.Default).Result;
Assert.Equal("09C2686880095B1A4C249EE3AC4EEA8A014F11E6F986D0B5025AC1F39AFBD9AE", wifHexString);
Assert.Equal("6PYN6mjwYfjPUuYT3Exajvx25UddFVLpCw4bMsmtLdnKwZ9t1Mi3CfKe8S", encrypted);
}
