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
{
PrivateKeyEncrypted = encryptedPrivateKey,
PublicKeyHash = account.PublicKeyHash.ToArray()
}).Entity;
}
else
{
db_account.PrivateKeyEncrypted = encryptedPrivateKey;
}
ctx.SaveChanges();
}
}
public override WalletKeyPair CreateKey(byte[] privateKey)
{
WalletKeyPair account = base.CreateKey(privateKey);
OnCreateAccount(account);
AddContract(VerificationContract.CreateSignatureContract(account.PublicKey));
return(account);
}
protected override IEnumerable <WalletKeyPair> LoadKeyPairs()
{
using (WalletDataContext ctx = new WalletDataContext(DbPath))
{
foreach (byte[] encryptedPrivateKey in ctx.Accounts.Select(p => p.PrivateKeyEncrypted))
{
byte[] decryptedPrivateKey = DecryptPrivateKey(encryptedPrivateKey);
WalletKeyPair account = new WalletKeyPair(decryptedPrivateKey);
Array.Clear(decryptedPrivateKey, 0, decryptedPrivateKey.Length);
yield return(account);
}
}
}