/// <summary>
/// Generates the mnemonic phrase.
/// </summary>
private void GenerateMnemonic()
{
Wallet wallet = new Wallet(Wordlist.English, WordCount.Twelve);
dynamicDataCache.SetData("seed", wallet.Seed);
dynamicDataCache.SetData("mnemonic", wallet.Phrase);
}
/// <summary>
/// Sets up the wallet name and password and opens the next menu.
/// </summary>
private void CreateWalletNameAndPass()
{
dynamicDataCache.SetData("pass", new ProtectedString(password1Field.InputFieldBytes));
dynamicDataCache.SetData("name", walletNameField.Text);
uiManager.OpenMenu <ImportOrCreateMnemonicMenu>();
}
/// <summary>
/// Encrypts the wallet data asynchronously.
/// </summary>
/// <param name="seed"> The <see langword="byte"/>[] seed to encrypt. </param>
/// <param name="password"> The base password to use for encryption, retrieved from the user input. </param>
/// <param name="onWalletEncrypted"> Action called once the wallet has been encrypted. </param>
private void AsyncEncryptWallet(
byte[] seed,
byte[] password,
Action <string[], string, string> onWalletEncrypted)
{
string[] encryptedHashes = null;
string saltedPasswordHash = null;
string encryptedSeed = null;
byte[] derivedPassword = playerPrefPassword.Derive(password);
using (var dataEncryptor = new DataEncryptor(new AdvancedSecureRandom(new Blake2bDigest(512), derivedPassword)))
{
byte[] hash1 = RandomBytes.Secure.Blake2.GetBytes(512);
byte[] hash2 = RandomBytes.Secure.Blake2.GetBytes(1024);
saltedPasswordHash = new PBKDF2PasswordHashing(new Blake2b_512_Engine()).GetSaltedPasswordHash(password).GetBase64String();
encryptedSeed = dataEncryptor.Encrypt(dataEncryptor.Encrypt(seed.GetHexString(), hash1), hash2);
encryptedHashes = new string[]
{
dataEncryptor.Encrypt(hash1).GetBase64String(),
dataEncryptor.Encrypt(hash2).GetBase64String()
};
hash1.ClearBytes();
hash2.ClearBytes();
}
dynamicDataCache.SetData("pass", new ProtectedString(password, this));
dynamicDataCache.SetData("mnemonic", null);
MainThreadExecutor.QueueAction(() => onWalletEncrypted?.Invoke(encryptedHashes, saltedPasswordHash, encryptedSeed));
}
/// <summary>
/// Gets the numbers of the words that need to be confirmed.
/// </summary>
private void GetConfirmationNumbers()
{
int[] numbers;
do
{
numbers = new int[4] {
Random.Range(1, 13), Random.Range(1, 13), Random.Range(1, 13), Random.Range(1, 13)
};
} while (numbers.Distinct().Count() < 4);
dynamicDataCache.SetData("confirmation numbers", numbers);
}
/// <summary>
/// Starts the asset transfer.
/// </summary>
public override void OkButton()
{
dynamicDataCache.SetData("txfee", Gas.TransactionFee.ToString());
Asset.ActiveAsset.Transfer(
userWalletManager,
new HexBigInteger(Gas.TransactionGasLimit),
Gas.TransactionGasPrice.FunctionalGasPrice,
Address.SendAddress,
Amount.SendableAmount);
}
/// <summary>
/// Called when the correct password is entered.
/// </summary>
/// <param name="password"> The correct password. </param>
private void CorrectPassword(byte[] password)
{
if (dynamicDataCache.GetData("pass") != null && dynamicDataCache.GetData("pass") is ProtectedString)
{
((ProtectedString)dynamicDataCache.GetData("pass")).SetValue(password);
}
else
{
dynamicDataCache.SetData("pass", new ProtectedString(password));
}
SecurePlayerPrefs.SetInt(WalletName + PlayerPrefConstants.SETTING_CURRENT_LOGIN_ATTEMPT, 1);
userWalletManager.UnlockWallet();
}
/// <summary>
/// Sets the wallet num in the data cache and opens the <see cref="UnlockWalletPopup"/>.
/// </summary>
private void WalletButtonClicked()
{
Button.interactable = false;
walletNameText.gameObject.AnimateColor(PURE_WHITE, 0.15f);
dynamicDataCache.SetData("walletnum", ButtonInfo.WalletNum);
var popup = popupManager.GetPopup <UnlockWalletPopup>();
popup.SetWalletInfo(fullWalletName);
popup.OnPopupClose(() =>
{
Button.interactable = true;
walletNameText.gameObject.AnimateColor(UIColors.White, 0.15f);
});
}
/// <summary>
/// Sets the wallet info to the dynamic data cache.
/// </summary>
/// <param name="wallet"> The wallet we are importing. </param>
private void SetWalletInfo(Wallet wallet)
{
dynamicDataCache.SetData("seed", wallet.Seed);
dynamicDataCache.SetData("mnemonic", null);
}
