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);
}
public PrivateConsensusKeySet(
EcdsaKeyPair ecdsaKeyPair, PrivateKey tpkePrivateKey,
PrivateKeyShare thresholdSignaturePrivateKeyShare)
{
EcdsaKeyPair = ecdsaKeyPair;
TpkePrivateKey = tpkePrivateKey;
ThresholdSignaturePrivateKeyShare = thresholdSignaturePrivateKeyShare;
}
public CommonCoin(
CoinId coinId, IPublicConsensusKeySet wallet, PrivateKeyShare privateKeyShare,
IConsensusBroadcaster broadcaster
) : base(wallet, coinId, broadcaster)
{
_coinId = coinId ?? throw new ArgumentNullException(nameof(coinId));
_thresholdSigner = new ThresholdSigner(
_coinId.ToBytes(), privateKeyShare, wallet.ThresholdSignaturePublicKeySet
);
_result = null;
}
public void AddThresholdSignatureKeyAfterBlock(ulong block, PrivateKeyShare key)
{
if (_tsKeys.Contains(block))
{
_tsKeys.Update(block, key);
Logger.LogWarning($"ThresholdSignatureKey for block {block} is overwritten");
}
else
{
_tsKeys.Add(block, key);
}
SaveWallet(_walletPath, _walletPassword);
}