protected override IEnumerable <WalletKeyPairBase> LoadKeyPairs()
{
using (WalletDataContext ctx = new WalletDataContext(DbPath))
{
foreach (Account item in ctx.Accounts.Select(p => p))
{
if ((KeyType)item.nVersion == KeyType.Anonymous || (KeyType)item.nVersion == KeyType.Transparent)
{
byte[] decryptedPrivateKey = DecryptPrivateKey(item.PrivateKeyEncrypted);
WalletKeyPair account = new WalletKeyPair(decryptedPrivateKey, (KeyType)item.nVersion);
Array.Clear(decryptedPrivateKey, 0, decryptedPrivateKey.Length);
yield return(account);
}
else if ((KeyType)item.nVersion == KeyType.Stealth)
{
byte[] decryptedPrivateKey = DecryptPrivateKey(item.PrivateKeyEncrypted);
byte[] decryptedViewKey = DecryptPrivateKey(item.PrivateViewKeyEncrypted);
StealthKeyPair account = new StealthKeyPair(decryptedPrivateKey, decryptedViewKey);
Array.Clear(decryptedPrivateKey, 0, decryptedPrivateKey.Length);
Array.Clear(decryptedViewKey, 0, decryptedViewKey.Length);
yield return(account);
}
}
}
}
private void OnCreateAccount(WalletKeyPair account)
{
byte[] decryptedPrivateKey = new byte[96];
Buffer.BlockCopy(account.PublicKey.EncodePoint(false), 1, decryptedPrivateKey, 0, 64);
using (account.Decrypt())
{
Buffer.BlockCopy(account.PrivateKey, 0, decryptedPrivateKey, 64, 32);
}
byte[] encryptedPrivateKey = EncryptPrivateKey(decryptedPrivateKey);
Array.Clear(decryptedPrivateKey, 0, decryptedPrivateKey.Length);
using (WalletDataContext ctx = new WalletDataContext(DbPath))
{
Account db_account = ctx.Accounts.FirstOrDefault(p => p.PublicKeyHash.SequenceEqual(account.PublicKeyHash.ToArray()));
if (db_account == null)
{
db_account = ctx.Accounts.Add(new Account
{
nVersion = (int)account.nVersion,
PrivateKeyEncrypted = encryptedPrivateKey,
PublicKeyHash = account.PublicKeyHash.ToArray()
}).Entity;
}
else
{
db_account.nVersion = (int)account.nVersion;
db_account.PrivateKeyEncrypted = encryptedPrivateKey;
}
try
{
ctx.SaveChanges();
}
catch (Exception ex)
{
string str = ex.Message;
}
}
}
public override WalletKeyPair CreateKey(byte[] privateKey, KeyType nVersion = KeyType.Transparent)
{
if (nVersion == KeyType.Transparent)
{
WalletKeyPair account = base.CreateKey(privateKey, nVersion);
OnCreateAccount(account);
AddContract(VerificationContract.CreateSignatureContract(account.PublicKey));
return(account);
}
else if (nVersion == KeyType.Anonymous)
{
WalletKeyPair account = base.CreateKey(privateKey, nVersion);
SpendingKey sKey;
sKey = new SpendingKey(new UInt256(privateKey));
OnCreateAccount(account);
AddContract(VerificationContract.CreateSignatureAnonymousContract(account.PublicKey, sKey.address()));
return(account);
}
else
{
return(null);
}
}