/// <summary>
/// Unlock a locked wallet.
/// </summary>
/// <param name="password"></param>
/// <returns></returns>
public bool Unlock(string password)
{
if (IsUnlocked || !IsCreated)
{
Logger.Warn($"Wallet is already unlocked or doesn't exist.");
return(IsUnlocked && IsCreated);
}
Logger.Info($"Unlock new wallet.");
var pswBytes = Encoding.UTF8.GetBytes(password);
pswBytes = SHA256.Create().ComputeHash(pswBytes);
var seed = ManagedAes.DecryptStringFromBytes_Aes(_walletFile.encryptedSeed, pswBytes, _walletFile.salt);
Chaos.NaCl.Ed25519.KeyPairFromSeed(out byte[] publicKey, out byte[] privateKey, Utils.HexToByteArray(seed));
Account = new Account(KeyType.ED25519, privateKey, publicKey);
return(true);
}
/// <summary>
/// Create a new wallet with mnemonic
/// </summary>
/// <param name="password"></param>
/// <returns></returns>
public bool Create(string password)
{
if (IsCreated)
{
Logger.Warn($"Wallet already created.");
return(true);
}
Logger.Info($"Creating new wallet.");
byte[] randomBytes = new byte[48];
_random.NextBytes(randomBytes);
var memoryBytes = randomBytes.AsMemory();
var pswBytes = Encoding.UTF8.GetBytes(password);
var salt = memoryBytes.Slice(0, 16).ToArray();
var seed = memoryBytes.Slice(16, 32).ToArray();
pswBytes = SHA256.Create().ComputeHash(pswBytes);
var encryptedSeed = ManagedAes.EncryptStringToBytes_Aes(Utils.Bytes2HexString(seed, Utils.HexStringFormat.PURE), pswBytes, salt);
_walletFile = new WalletFile(encryptedSeed, salt);
Caching.Persist(_path, _walletFile);
Chaos.NaCl.Ed25519.KeyPairFromSeed(out byte[] publicKey, out byte[] privateKey, seed);
Account = new Account(KeyType.ED25519, privateKey, publicKey);
return(true);
}