public static byte[] Sign(this ISignable signable, Account account)
{
using (account.Decrypt())
{
return signable.Sign(account.PrivateKey, account.PublicKey.EncodePoint(false).Skip(1).ToArray());
}
}
private void OnCreateAccount(WalletAccount 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 bool Sign(SignatureContext context)
{
bool fSuccess = false;
foreach (UInt160 scriptHash in context.ScriptHashes)
{
Contract contract = GetContract(scriptHash);
if (contract == null)
{
continue;
}
Account account = GetAccountByScriptHash(scriptHash);
if (account == null)
{
continue;
}
byte[] signature;
using (account.Decrypt())
{
signature = context.Signable.Sign(account.PrivateKey, account.PublicKey.EncodePoint(false).Skip(1).ToArray());
}
fSuccess |= context.Add(contract.RedeemScript, account.PublicKey, signature);
}
return(fSuccess);
}
protected override void SaveAccount(Account account)
{
byte[] decryptedPrivateKey = new byte[96];
Buffer.BlockCopy(account.PublicKey, 0, 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(connectionString))
{
DbAccount db_account = ctx.Accounts.FirstOrDefault(p => p.PublicKeyHash == account.PublicKeyHash.ToArray());
if (db_account == null)
{
db_account = ctx.Accounts.Add(new DbAccount
{
PrivateKeyEncrypted = encryptedPrivateKey,
PublicKeyHash = account.PublicKeyHash.ToArray()
});
}
else
{
db_account.PrivateKeyEncrypted = encryptedPrivateKey;
}
ctx.SaveChanges();
}
}
public bool Sign(SignatureContext context)
{
bool fSuccess = false;
foreach (UInt160 scriptHash in context.ScriptHashes)
{
Contract contract = GetContract(scriptHash);
if (contract == null)
{
continue;
}
Account account = GetAccountByScriptHash(scriptHash);
if (account == null)
{
continue;
}
byte[] signature;
using (account.Decrypt())
{
signature = context.Signable.Sign(account.PrivateKey, account.PublicKey);
}
fSuccess |= context.Add(contract.RedeemScript, ECPoint.FromBytes(account.PublicKey, ECCurve.Secp256r1), signature);
}
return(fSuccess);
}
public ViewPrivateKeyDialog(Account account, UInt160 scriptHash)
{
InitializeComponent();
textBox3.Text = Wallet.ToAddress(scriptHash);
textBox4.Text = account.PublicKey.EncodePoint(true).ToHexString();
using (account.Decrypt())
{
textBox1.Text = account.PrivateKey.ToHexString();
}
textBox2.Text = account.Export();
}
private void OnCreateAccount(WalletAccount 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();
}
}
