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;
}
}
}
public static WalletInformations GetWalletInformations(SecureString privateKey, BlockchainType keyType)
{
WalletInformations walletInformations = new WalletInformations();
switch (keyType)
{
case BlockchainType.Neo:
var keyPair = new KeyPair(privateKey.GetString().HexToBytes());
string publicKey = keyPair.PublicKey.ToString();
UInt160 scriptHash = Helper.CreateSignatureRedeemScript(keyPair.PublicKey).ToScriptHash();
// This is a basic NEO address
string address = scriptHash.ToAddress();
// This is a derivative of script hash (required by Switcheo)
string fixedAddress = scriptHash.ToString().RemoveZeroX();
walletInformations = new WalletInformations()
{
Wif = keyPair.Export().ToSecureString(),
PublicKey = publicKey,
ScriptHash = scriptHash.ToString(),
Address = address,
FixedAddress = fixedAddress
};
break;
case BlockchainType.Qtum:
throw new NotImplementedException();
case BlockchainType.Ethereum:
throw new NotImplementedException();
}
return(walletInformations);
}