public BlockConsensusRequest CreateRequest(MinerWallet wallet)
{
lock (SyncRoot)
{
if (!Valid) throw new InvalidOperationException();
if (_request == null)
{
_request = new BlockConsensusRequest
{
PrevHash = PrevHash,
Miner = my_pubkey,
IV = new byte[16],
NonceHash = NonceHashes[my_pubkey],
TransactionHashes = TransactionHashes.ToArray()
};
Random rand = new Random();
rand.NextBytes(_request.IV);
SplitSecret secret = SecretSharing.Split(Nonces[my_pubkey].ToArray(), (Miners.Length - 1) / 2 + 1);
for (int i = 0; i < Miners.Length; i++)
{
if (Miners[i].Equals(my_pubkey)) continue;
byte[] aeskey = wallet.GetAesKey(Miners[i]);
byte[] piece = secret.GetShare(i + 1).ToArray();
using (AesManaged aes = new AesManaged())
using (ICryptoTransform encryptor = aes.CreateEncryptor(aeskey, _request.IV))
{
piece = encryptor.TransformFinalBlock(piece, 0, piece.Length);
}
Array.Clear(aeskey, 0, aeskey.Length);
_request.NoncePieces.Add(Miners[i], piece);
}
}
return _request;
}
}
public static MinerWallet Create(string path, SecureString password)
{
MinerWallet wallet = new MinerWallet(path, password, true);
for (int i = 0; i < Blockchain.StandbyMiners.Length; i++)
{
wallet.CreateAccount();
}
return wallet;
}
public static MinerWallet Create(string path, SecureString password)
{
MinerWallet wallet = new MinerWallet(path, password, true);
for (int i = 0; i < Blockchain.StandbyMiners.Length; i++)
{
wallet.CreateAccount();
}
return(wallet);
}
public static MinerWallet Create(string path, SecureString password)
{
MinerWallet wallet;
using (CngKey key = CngKey.Create(CngAlgorithm.ECDsaP256, null, new CngKeyCreationParameters { ExportPolicy = CngExportPolicies.AllowPlaintextArchiving }))
{
wallet = new MinerWallet(key.Export(CngKeyBlobFormat.EccPrivateBlob));
}
wallet.Save(path, password);
return wallet;
}
public static MinerWallet Create(string path, SecureString password)
{
MinerWallet wallet;
using (CngKey key = CngKey.Create(CngAlgorithm.ECDsaP256, null, new CngKeyCreationParameters {
ExportPolicy = CngExportPolicies.AllowPlaintextArchiving
}))
{
wallet = new MinerWallet(key.Export(CngKeyBlobFormat.EccPrivateBlob));
}
wallet.Save(path, password);
return(wallet);
}
//TODO: 目前没有想到其它安全的方法来保存密码
//所以只能暂时手动输入，但如此一来就不能以服务的方式启动了
//未来再想想其它办法，比如采用智能卡之类的
private async void OnOpenWalletCommand(string path)
{
SecureString password = ReadSecureString("password");
if (password.Length == 0)
{
Console.WriteLine("cancelled");
return;
}
try
{
wallet = MinerWallet.Open(path, password);
}
catch
{
Console.WriteLine($"failed to open file \"{path}\"");
return;
}
await localnode.WaitForNodesAsync();
context = new BlockConsensusContext(wallet.PublicKey);
await SendConsensusRequestAsync();
}
public void AddRequest(BlockConsensusRequest request, MinerWallet wallet)
{
lock (SyncRoot)
{
if (request.PrevHash != PrevHash) return;
if (request.Miner == my_pubkey) return;
if (NoncePieces.ContainsKey(request.Miner)) return;
byte[] aeskey = wallet.GetAesKey(request.Miner);
byte[] piece = request.NoncePieces[my_pubkey];
using (AesManaged aes = new AesManaged())
using (ICryptoTransform decryptor = aes.CreateDecryptor(aeskey, request.IV))
{
piece = decryptor.TransformFinalBlock(piece, 0, piece.Length);
}
Array.Clear(aeskey, 0, aeskey.Length);
NoncePieces.Add(request.Miner, new List<FiniteFieldPoint>());
NoncePieces[request.Miner].Add(FiniteFieldPoint.DeserializeFrom(piece));
NonceHashes.Add(request.Miner, request.NonceHash);
TransactionHashes.UnionWith(request.TransactionHashes);
action_request.CheckPredicate();
}
}
//TODO: 目前没有想到其它安全的方法来保存密码
//所以只能暂时手动输入，但如此一来就不能以服务的方式启动了
//未来再想想其它办法，比如采用智能卡之类的
private bool OnOpenWalletCommand(string[] args)
{
if (args.Length < 3)
{
Console.WriteLine("error");
return true;
}
using (SecureString password = ReadSecureString("password"))
{
if (password.Length == 0)
{
Console.WriteLine("cancelled");
return true;
}
try
{
wallet = MinerWallet.Open(args[2], password);
}
catch
{
Console.WriteLine($"failed to open file \"{args[2]}\"");
}
}
return true;
}
private bool OnCreateWalletCommand(string[] args)
{
if (args.Length < 3)
{
Console.WriteLine("error");
return true;
}
using (SecureString password = ReadSecureString("password"))
using (SecureString password2 = ReadSecureString("password"))
{
if (!password.CompareTo(password2))
{
Console.WriteLine("error");
return true;
}
wallet = MinerWallet.Create(args[2], password);
foreach (Account account in wallet.GetAccounts())
{
Console.WriteLine(account.PublicKey.EncodePoint(true).ToHexString());
}
}
return true;
}
