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 void IsNep2_Should_DetectEncryptedKeys()
{
SecureString correctNep2Wallet = "6PYWLPXtLHZeqR1vpWtcfSt5Ubwba3Qv1zdeacd7347mBfXABa9WXbe3Yh".ToSecureString();
SecureString incorrectNep2Wallet = "KxmqXqdavQhziXNGborgiqy3JWjCmDHgJpKniMdFdnLHCBmCXnoU".ToSecureString();
Assert.IsTrue(WalletsHelper.IsNep2(correctNep2Wallet));
Assert.IsFalse(WalletsHelper.IsNep2(incorrectNep2Wallet));
}