CreateWallet(PrivateKeys privateKeys)
{
string walletFilename = GetNewWalletName();
string walletPassword = GetNewWalletPassword();
return(WalletBackend.NewWallet(walletFilename, walletPassword));
}
public async Task RemoveAddressAsync(Address address)
{
if (IsLocked)
{
throw new LockedException();
}
if (Addresses.Contains(address))
{
if (PrivateKeys.Contains(address))
{
await privateKeyLock.WaitAsync();
try {
PrivateKeys.Remove(address);
}
finally {
privateKeyLock.Release();
}
}
if (PublicAddresses.Contains(address))
{
PublicAddresses.Remove(address);
}
await SaveAsync();
}
else
{
throw new OperationException(String.Format("Your wallet doesn't contain the address {0}", address));
}
}
public void GetKeysForShare(string shareName, out string access_id, out string secret_key)
{
PrivateKeys pkeys = new PrivateKeys(ini.Application, shareName);
access_id = pkeys.AccessId;
secret_key = pkeys.SecretKey;
}
NewWallet(string filename, string password,
PrivateKeys privateKeys)
{
if (!KeyOps.IsValidKey(privateKeys.spendKey) ||
!KeyOps.IsValidKey(privateKeys.viewKey))
{
return(Either.Left <Error, WalletBackend>(
Error.InvalidPrivateKey()
));
}
if (File.Exists(filename))
{
return(Either.Left <Error, WalletBackend>(
Error.FileAlreadyExists()
));
}
/* Create the wallet instance */
WalletBackend wallet = new WalletBackend(
filename, password, privateKeys
);
/* Save it */
wallet.Save();
/* Return it */
return(Either.Right <Error, WalletBackend>(wallet));
}
public IEnumerable <ValidationResult> Validate(ValidationContext validationContext)
{
var result = new List <ValidationResult>();
var sequenceService = (ISequenceService)validationContext.GetService(typeof(ISequenceService));
if (PrivateKeys == null || !PrivateKeys.Any())
{
result.Add(new ValidationResult(
$"{nameof(PrivateKeys)} array can not be empty",
new[] { nameof(PrivateKeys) }));
}
var num = 0;
foreach (var key in PrivateKeys)
{
if (!sequenceService.IsValidPrivateKey(key))
{
result.Add(new ValidationResult(
$"{nameof(PrivateKeys)}.[{num}] is not a valid",
new[] { nameof(PrivateKeys) }));
}
num++;
}
if (Tx == null && Coins == null)
{
try
{
(Tx, Coins) = Serializer.ToObject <(Transaction, ICoin[])>(TransactionContext);
async Task LockAsync(byte[] passphrase)
{
await lockLock.WaitAsync();
try {
if (IsLocked)
{
throw new OperationException("Wallet is already locked");
}
await EncryptAsync(passphrase);
Array.Clear(EncryptionKey, 0, EncryptionKey.Length);
EncryptionKey = new byte[] { };
await privateKeyLock.WaitAsync();
try {
PrivateKeys.Clear(); // TODO: Is this safe?
}
finally {
privateKeyLock.Release();
}
LockTimer.Stop();
IsLocked = true;
DidLock(this, new EventArgs());
}
finally {
lockLock.Release();
}
}
/// <summary>
/// Adds a private key to be managed by the wallet and sign transactions.
/// </summary>
/// <param name="privateKey">The private key to be stored by the wallet.</param>
/// <returns>The address derived from the <paramref name="privateKey" /></returns>
public string AddRawKey(string privateKey)
{
string address = GetAddress(privateKey);
PrivateKeys.Add(address.ToLower(), privateKey);
return(address);
}
/* Makes a new wallet with the given private keys */
private WalletBackend(string filename, string password,
PrivateKeys privateKeys) : this(
filename, password, privateKeys.spendKey, privateKeys.viewKey,
KeyOps.PrivateKeyToPublicKey(privateKeys.spendKey),
KeyOps.PrivateKeyToPublicKey(privateKeys.viewKey), false
)
{
}
internal UserState()
{
ConnectionContexts = new ConnectionContexts();
PrivateKeys = new PrivateKeys();
InstanceTags = new InstanceTags();
PendingPrivateKey = null;
TimerRunning = 0;
}
internal void Save()
{
if (!Directory.Exists(WalletDir))
{
Directory.CreateDirectory(WalletDir);
}
using (var fs = File.Open(WalletFile(), FileMode.Create))
{
Wallet.Save(fs);
}
File.WriteAllText(PrivateKeyFile(), string.Join(",", PrivateKeys.AsEnumerable()));
}
public void AddShareS3(string shareName, string s3bucket, string cacheDir, string access_id, string secret_key)
{
var section = ShareSection(shareName);
ini.SetParam(section, "shareName", shareName);
ini.SetParam(section, "s3bucket", s3bucket);
ini.SetParam(section, "cacheDirectory", cacheDir);
PrivateKeys pkeys = new PrivateKeys(ini.Application, shareName);
pkeys.AccessId = access_id;
pkeys.SecretKey = secret_key;
pkeys.SaveConfig();
}
internal WalletFileInfoViewModel Save()
{
if (!Directory.Exists(WalletDir))
{
Directory.CreateDirectory(WalletDir);
}
using (var fs = File.Open(WalletFile(), FileMode.Create))
{
Wallet.Save(fs);
}
File.WriteAllText(PrivateKeyFile(), string.Join(",", PrivateKeys.AsEnumerable()));
return(new WalletFileInfoViewModel {
WalletFile = WalletFile(), PrivateKeyFile = PrivateKeyFile()
});
}
HandleAction(LaunchAction action)
{
switch (action)
{
case LaunchAction.Open:
{
return(OpenWallet());
}
case LaunchAction.Create:
{
return(CreateWallet());
}
case LaunchAction.SeedRestore:
{
/* We can create a wallet directly from a seed - but
* we'd rather alert the user whenever a single part of
* the input is incorrect, rather than getting them to
* enter the walletname, walletpass, and seed, and then
* alerting one bit is wrong */
PrivateKeys keys = GetPrivateKeysFromSeed();
return(CreateWallet(keys));
}
case LaunchAction.KeyRestore:
{
PrivateKeys keys = GetPrivateKeys();
return(CreateWallet(keys));
}
case LaunchAction.ViewWallet:
{
PrivateKey privateViewKey
= GetPrivateKey("Private view key: ");
string address = GetAddress();
return(CreateWallet(privateViewKey, address));
}
default:
{
throw new ArgumentException(
"Programmer error: Unhandled action!"
);
}
}
}
NewWallet(string filename, string password,
string mnemonicSeed)
{
/* Derive the mnemonic into a private spend key if possible */
return(Mnemonics.MnemonicToPrivateKey(mnemonicSeed)
.Fmap(privateSpendKey => {
/* Derive the private view key from the private spend key */
var privateKeys = new PrivateKeys(
privateSpendKey,
KeyOps.GenerateDeterministicKeys(privateSpendKey).privateKey
);
/* Try and create the new wallet from the private keys */
return NewWallet(filename, password, privateKeys);
}));
}
public async Task HideAddressAsync(Address address)
{
if (IsLocked)
{
throw new LockedException();
}
if (PrivateKeys.Contains(address) && PublicAddresses.Contains(address))
{
PublicAddresses.Remove(address);
await SaveAsync();
}
else
{
// TODO: Tailor this message for both the key not being present and the address already being private
throw new OperationException(String.Format("Address '{0}' isnt public", address));
}
}
public async Task <Transaction> CreateTransactionAsync(Dictionary <Address, Money> destinations, Address changeAddress = null)
{
Money change;
List <Transaction.Output> inpoints = CoinPicker.SelectInpoints(await GetSpendableOutputsAsync(), destinations, out change);
var destinationsWithChange = new Dictionary <Address, Money>(destinations);
if (change > new Money(0, "BTC"))
{
changeAddress = changeAddress ?? (await GenerateAddressAsync("Change")).Address;
destinationsWithChange.Add(changeAddress, change);
}
Transaction tx = Transaction.Create(inpoints, destinationsWithChange, PrivateKeys.ToDictionary(k => k.Address, k => k.PrivateKey));
if (!tx.IncludesStandardFee)
{
throw new OperationException("Transaction generated without proper fee!");
}
return(tx);
}
public async Task ImportKeyAsync(PrivateKeyDetails key, bool isPublic = true)
{
if (IsLocked)
{
throw new LockedException();
}
if (isPublic)
{
await ImportReadOnlyAddressAsync(key);
}
await privateKeyLock.WaitAsync();
try {
PrivateKeys.Add(key);
}
finally {
privateKeyLock.Release();
}
await SaveAsync();
}
/// <summary>
/// Check if this address is managed by this wallet.
/// </summary>
/// <param name="address">The address. Value returned by <see cref="SimpleWallet.AddRawKey" />.</param>
/// <returns><see langword="true" /> if the address is managed by this wallter, <see langword="false" /> if not.</returns>
public bool CanSign(string address)
{
return(PrivateKeys.ContainsKey(address));
}
public void AddKey(string key, Guid id)
{
PrivateKeys.Add(new KeyValuePair <string, Guid>(key, id));
Update();
}
public void AddKey(string privateKey)
{
PrivateKeys.Add(privateKey);
}
private static PrivateKeys GetPrivateKeys(privkeys keys)
{
var privateKeys = new PrivateKeys();
foreach (account account in keys.account)
{
var privateKey = new PrivateKey(account.private_key.dsa.GetDSAParameters(true));
privateKey.AccountName = account.name;
privateKey.Protocol = account.protocol;
privateKeys.Add(privateKey);
}
return privateKeys;
}
