/// <summary>
/// create new multi address
/// </summary>
/// <returns></returns>
public async Task <object> CreateMultiAddress(int limit, string[] publicKeys)
{
if (CurrentWallet == null)
{
return(Error(ErrorCode.WalletNotOpen));
}
var points = publicKeys.Select(p => ECPoint.DecodePoint(Helper.HexToBytes(p), ECCurve.Secp256r1)).ToArray();
Contract contract = Contract.CreateMultiSigContract(limit, points);
if (contract == null)
{
return(Error(ErrorCode.CreateMultiContractFail));
}
var hashSet = new HashSet <ECPoint>(points);
var key = CurrentWallet.GetAccounts().FirstOrDefault(p => p.HasKey && hashSet.Contains(p.GetKey().PublicKey))?.GetKey();
var newAccount = CurrentWallet.CreateAccount(contract, key);
if (CurrentWallet is NEP6Wallet wallet)
{
wallet.Save();
}
return(new AccountModel()
{
AccountType = AccountType.MultiSignature,
Address = newAccount.Address,
ScriptHash = newAccount.ScriptHash,
});
}
private void UpdateResultFromFile(UInt160 hash)
{
var path = this.GetCachedCertificatePathFromScriptHash(hash);
X509Certificate2 cert;
try
{
cert = new X509Certificate2(path);
}
catch (CryptographicException)
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
if (cert.PublicKey.Oid.Value != "1.2.840.10045.2.1")
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
// Compare hash with cached value
var decodedPublicKey = ECPoint.DecodePoint(cert.PublicKey.EncodedKeyValue.RawData, ECCurve.Secp256r1);
var decodedHash = GetRedeemScriptHashFromPublicKey(decodedPublicKey);
if (!hash.Equals(decodedHash))
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
using (var chain = new X509Chain())
{
results[hash].Certificate = cert;
if (chain.Build(cert))
{
results[hash].Type = CertificateQueryResultType.Good;
}
else if (chain.ChainStatus.Length == 1 && chain.ChainStatus[0].Status == X509ChainStatusFlags.NotTimeValid)
{
results[hash].Type = CertificateQueryResultType.Expired;
}
else
{
results[hash].Type = CertificateQueryResultType.Invalid;
}
}
}
private static void UpdateResultFromFile(UInt160 hash)
{
string address = hash.ToAddress();
X509Certificate2 cert;
try
{
cert = new X509Certificate2(Path.Combine(Settings.Default.Paths.CertCache, $"{address}.cer"));
}
catch (CryptographicException)
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
if (cert.PublicKey.Oid.Value != "1.2.840.10045.2.1")
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
if (!hash.Equals(Contract.CreateSignatureRedeemScript(ECPoint.DecodePoint(cert.PublicKey.EncodedKeyValue.RawData, ECCurve.Secp256r1)).ToScriptHash()))
{
results[hash].Type = CertificateQueryResultType.Missing;
return;
}
using (X509Chain chain = new X509Chain())
{
results[hash].Certificate = cert;
if (chain.Build(cert))
{
results[hash].Type = CertificateQueryResultType.Good;
}
else if (chain.ChainStatus.Length == 1 && chain.ChainStatus[0].Status == X509ChainStatusFlags.NotTimeValid)
{
results[hash].Type = CertificateQueryResultType.Expired;
}
else
{
results[hash].Type = CertificateQueryResultType.Invalid;
}
}
}