Exemple #1
0
        private bool RestoreWallet(string path, string password, out EcdsaKeyPair keyPair, out byte[] hubKey)
        {
            var encryptedContent = File.ReadAllBytes(path);
            var key = Encoding.UTF8.GetBytes(password).KeccakBytes();
            var decryptedContent =
                Encoding.UTF8.GetString(Crypto.AesGcmDecrypt(key, encryptedContent));

            var wallet = JsonConvert.DeserializeObject <JsonWallet>(decryptedContent);

            if (wallet.EcdsaPrivateKey is null)
            {
                throw new Exception("Decrypted wallet does not contain ECDSA key");
            }
            var needsSave = false;

            if (wallet.HubPrivateKey is null)
            {
                wallet.HubPrivateKey = GenerateHubKey().PrivateKey;
                needsSave            = true;
            }

            wallet.ThresholdSignatureKeys ??= new Dictionary <ulong, string>();
            wallet.TpkePrivateKeys ??= new Dictionary <ulong, string>();

            keyPair = new EcdsaKeyPair(wallet.EcdsaPrivateKey.HexToBytes().ToPrivateKey());
            hubKey  = wallet.HubPrivateKey.HexToBytes();
            _tpkeKeys.AddAll(wallet.TpkePrivateKeys
                             .Select(p =>
                                     new C5.KeyValuePair <ulong, PrivateKey>(p.Key, PrivateKey.FromBytes(p.Value.HexToBytes()))));
            _tsKeys.AddAll(wallet.ThresholdSignatureKeys
                           .Select(p =>
                                   new C5.KeyValuePair <ulong, PrivateKeyShare>(p.Key,
                                                                                PrivateKeyShare.FromBytes(p.Value.HexToBytes()))));
            return(needsSave);
        }