private Dictionary<UInt160, UserWalletAccount> LoadAccounts()
{
using (WalletDataContext ctx = new WalletDataContext(path))
{
Dictionary<UInt160, UserWalletAccount> accounts = ctx.Addresses.Select(p => p.ScriptHash).AsEnumerable().Select(p => new UserWalletAccount(new UInt160(p))).ToDictionary(p => p.ScriptHash);
foreach (Contract db_contract in ctx.Contracts.Include(p => p.Account))
{
VerificationContract contract = db_contract.RawData.AsSerializable<VerificationContract>();
UserWalletAccount account = accounts[contract.ScriptHash];
account.Contract = contract;
account.Key = new KeyPair(DecryptPrivateKey(db_contract.Account.PrivateKeyEncrypted));
}
return accounts;
}
}
public override WalletAccount CreateAccount(byte[] privateKey)
{
KeyPair key = new KeyPair(privateKey);
VerificationContract contract = new VerificationContract
{
Script = SmartContract.Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature }
};
UserWalletAccount account = new UserWalletAccount(contract.ScriptHash)
{
Key = key,
Contract = contract
};
AddAccount(account, false);
return account;
}
public override WalletAccount CreateAccount(SmartContract.Contract contract, KeyPair key = null)
{
VerificationContract verification_contract = contract as VerificationContract;
if (verification_contract == null)
{
verification_contract = new VerificationContract
{
Script = contract.Script,
ParameterList = contract.ParameterList
};
}
UserWalletAccount account = new UserWalletAccount(verification_contract.ScriptHash)
{
Key = key,
Contract = verification_contract
};
AddAccount(account, false);
return account;
}
private void AddAccount(UserWalletAccount account, bool is_import)
{
lock (accounts)
{
if (accounts.TryGetValue(account.ScriptHash, out UserWalletAccount account_old))
{
if (account.Contract == null)
{
account.Contract = account_old.Contract;
}
}
else
{
indexer.RegisterAccounts(new[] { account.ScriptHash }, is_import ? 0 : Blockchain.Root.Height);
}
accounts[account.ScriptHash] = account;
}
lock (db_lock)
using (WalletDataContext ctx = new WalletDataContext(path))
{
if (account.HasKey)
{
byte[] decryptedPrivateKey = new byte[96];
Buffer.BlockCopy(account.Key.PublicKey.EncodePoint(false), 1, decryptedPrivateKey, 0, 64);
Buffer.BlockCopy(account.Key.PrivateKey, 0, decryptedPrivateKey, 64, 32);
byte[] encryptedPrivateKey = EncryptPrivateKey(decryptedPrivateKey);
Array.Clear(decryptedPrivateKey, 0, decryptedPrivateKey.Length);
Account db_account = ctx.Accounts.FirstOrDefault(p => p.PublicKeyHash.SequenceEqual(account.Key.PublicKeyHash.ToArray()));
if (db_account == null)
{
db_account = ctx.Accounts.Add(new Account
{
PrivateKeyEncrypted = encryptedPrivateKey,
PublicKeyHash = account.Key.PublicKeyHash.ToArray()
}).Entity;
}
else
{
db_account.PrivateKeyEncrypted = encryptedPrivateKey;
}
}
if (account.Contract != null)
{
Contract db_contract = ctx.Contracts.FirstOrDefault(p => p.ScriptHash.SequenceEqual(account.Contract.ScriptHash.ToArray()));
if (db_contract != null)
{
db_contract.PublicKeyHash = account.Key.PublicKeyHash.ToArray();
}
else
{
ctx.Contracts.Add(new Contract
{
RawData = ((VerificationContract)account.Contract).ToArray(),
ScriptHash = account.Contract.ScriptHash.ToArray(),
PublicKeyHash = account.Key.PublicKeyHash.ToArray()
});
}
}
//add address
{
Address db_address = ctx.Addresses.FirstOrDefault(p => p.ScriptHash.SequenceEqual(account.Contract.ScriptHash.ToArray()));
if (db_address == null)
{
ctx.Addresses.Add(new Address
{
ScriptHash = account.Contract.ScriptHash.ToArray()
});
}
}
ctx.SaveChanges();
}
}
public override WalletAccount CreateAccount(UInt160 scriptHash)
{
UserWalletAccount account = new UserWalletAccount(scriptHash);
AddAccount(account, true);
return account;
}