public static string GetMnemonic(PrivateKeyNotWallet key, Wordlist wordlist)
{
var mnemonic = new Mnemonic(wordlist, key.PrivateKey.GetBytes());
Debug.Assert(mnemonic.Words.Length == 24);
return(mnemonic.ToString());
}
public static PrivateKeyNotWallet Decrypt(string encoded, string password, Network network)
{
var decoded = Encoders.Base58Check.DecodeData(encoded);
var version = decoded.SafeSubarray(0, 1);
var flag = decoded.SafeSubarray(1, 1);
var addresshash = decoded.SafeSubarray(2, 4);
var encrypted = decoded.SafeSubarray(6, 32);
var expected = network.GetVersionBytes(Network.VersionByte.BIP38_ENCRYPTED_PRIVATE_KEY);
if (!Utils.ArrayEqual(version, expected))
{
throw new ArgumentException("Invalid version");
}
if (!Utils.ArrayEqual(flag, new[] { FLAG }))
{
throw new ArgumentException("Invalid flag");
}
var derived = SCrypt.BitcoinComputeDerivedKey(Encoding.UTF8.GetBytes(password), addresshash);
var keyBytes = Bip38Engine.DecryptKey(encrypted, derived);
var key = PrivateKeyNotWallet.FromBytes(keyBytes);
var addressBytes = Encoders.ASCII.DecodeData(key.PublicKey.GetAddress().Encoded);
var salt = Hashes.Hash256(addressBytes).ToBytes().SafeSubarray(0, 4);
if (!Utils.ArrayEqual(salt, addresshash))
{
throw new ArgumentException("Invalid password (or invalid Network)");
}
return(key);
}
public static Signature CreateSignature(this PrivateKeyNotWallet account, Hash256 hash, Network network)
{
var signature = account.PrivateKey.SignMessage(hash.Bytes, network);
Debug.Assert(account.PublicKey.Verify(hash, signature, network));
return(new Signature(account.PublicKey, signature));
}
public Transaction CreateMultiSignatureTransaction(out PrivateKeyNotWallet account1, out PrivateKeyNotWallet account2, out PrivateKeyNotWallet account3, out PrivateKeyNotWallet account4)
{
account1 = CreateAccount();
account2 = CreateAccount();
account3 = CreateAccount();
account4 = CreateAccount();
var multi = new MultiSignature(new List <Address> {
account1, account2, account3
}, 2);
var declarations = new List <TxDeclaration>()
{
multi
};
var inputs = new List <TxInput>()
{
new TxInput(multi.Address, Currency.BTC, Amount.FromWholeValue(10)),
};
var outputs = new List <TxOutput>()
{
new TxOutput(account4, Currency.BTC, Amount.FromWholeValue(10)),
};
return(new Transaction(declarations, inputs, outputs, TransactionMessage.Empty, DateTime.UtcNow.Ticks));
}
private void EncryptDecrypt(PrivateKeyNotWallet wallet, string password)
{
var network = TestNetwork.Instance;
var encrypted = EncryptedPrivateKeyFormat.Encrypt(wallet, password, network);
var decrypted = EncryptedPrivateKeyFormat.Decrypt(encrypted, password, network);
Assert.IsTrue(Utils.ArrayEqual(decrypted.PrivateKey.GetBytes(), wallet.PrivateKey.GetBytes()));
}
public static string GetMnemonicFromEncrypted(PrivateKeyNotWallet key, Wordlist wordlist, string password, Network network)
{
var encryptedString = EncryptedPrivateKeyFormat.Encrypt(key, password, network);
var encrypted = Encoders.Base58Check.DecodeData(encryptedString);
var mnemonic = new Mnemonic(wordlist, encrypted);
Debug.Assert(mnemonic.Words.Length == 28);
return(mnemonic.ToString());
}
public static void Dump(this PrivateKeyNotWallet wallet)
{
var privkey = wallet.PrivateKey;
var pubkey = wallet.PublicKey;
var address = pubkey.GetAddress();
Console.WriteLine("Private Key : {0}", privkey.ToBase64());
Console.WriteLine("Public Key : {0}", pubkey.ToBase64());
Console.WriteLine("Address : {0}", address.Encoded);
}
protected override void ExecuteCommand(string[] args)
{
var wallet = PrivateKeyNotWallet.FromBase64(privatekeyArgument.Value);
var alias = aliasArgument.Value;
if (WalletService.ImportPrivateKey(alias, wallet))
{
Console.WriteLine($"Successfully imported key : {alias}");
}
}
protected override void ExecuteCommand(string[] args)
{
var privatekey = privatekeyArgument.Value;
var hash = hashArgument.Value;
var wallet = PrivateKeyNotWallet.FromBase64(privatekey);
var signature = wallet.CreateSignature(new Hash256(Convert.FromBase64String(hash)), LedgerService.LedgerManager.Network);
Console.WriteLine("Signature : {0}", Convert.ToBase64String(signature.SignatureByte.Bytes));
}
public void TestMnemonicRestore_Language(Wordlist wordlist)
{
foreach (var key in keys)
{
var account = PrivateKeyNotWallet.FromBase64(key);
var words = MnemonicPrivateKeyFormat.GetMnemonic(account, wordlist);
var restored = MnemonicPrivateKeyFormat.FromMnemonic(words);
Assert.IsTrue(account.PrivateKey.Equals(restored));
}
}
public static PrivateKeyNotWallet GeneratePrivateKey()
{
var gen = new ECKeyPairGenerator("EC");
var keyGenParam = new KeyGenerationParameters(new SecureRandom(), 256);
gen.Init(keyGenParam);
var keyPair = gen.GenerateKeyPair();
var privateBytes = ((ECPrivateKeyParameters)keyPair.Private).D.ToByteArray();
return(PrivateKeyNotWallet.FromBytes(privateBytes));
}
public void TestEncryptDecrypt()
{
foreach (var key in keys)
{
var wallet = PrivateKeyNotWallet.FromBase64(key);
EncryptDecrypt(wallet, "I am the real S4t0sh1 !");
EncryptDecrypt(wallet, "O RLY ?");
EncryptDecrypt(wallet, "Just kidding :D");
EncryptDecrypt(wallet, "What a @#$@$#!#$!#$@!#@#!^$^@ !");
EncryptDecrypt(wallet, "乱七八糟");
}
}
public bool ImportPrivateKey(string label, PrivateKeyNotWallet key)
{
var aliased = AliasManager.SetAlias(label, key);
var address = key.Address.Encoded;
if (wallets.ContainsKey(label))
{
return(false);
}
wallets.Add(address, aliased);
AddressListener.Listen(key.Address);
return(true);
}
protected override void ExecuteCommand(string[] args)
{
var privatekey = privateKeyArgument.Value;
var wallet = PrivateKeyNotWallet.FromBase64(privatekey);
var password = passwordArgument.Value;
var encrypted = EncryptedPrivateKeyFormat.Encrypt(wallet, password, LedgerService.LedgerManager.Network);
var decrypted = EncryptedPrivateKeyFormat.Decrypt(encrypted, password, LedgerService.LedgerManager.Network);
Debug.Assert(decrypted.PrivateKey.ToBase64() == privatekey);
Console.WriteLine("Success ! Encrypted : {0}", encrypted);
}
public void TestMnemonic_CreateFromEncrypted_RestoreFromEncrypted()
{
foreach (var key in keys)
{
var account = PrivateKeyNotWallet.FromBase64(key);
var password = "******";
var words = MnemonicPrivateKeyFormat.GetMnemonicFromEncrypted(account, Wordlist.English, password, Network);
var restored = MnemonicPrivateKeyFormat.FromMnemonicEncrypted(words, password, Network);
Assert.IsTrue(account.PrivateKey.Equals(restored));
}
}
private SignedLedger CreateSignedLedger()
{
var account1 = PrivateKeyNotWallet.FromBase64("AKiWI3xivi2tsMz1Sh/v+0WrJaM60t/3h/qcEfu6r1pH");
var block = Block.CreateBlock(1, new List <SignedTransaction> {
CreateSignedTransaction()
});
var merkle = new LedgerMerkleRoot(new List <Account>(), new List <TxDeclaration>(), new FakeLogger(), new Hasher()).Hash;
var ledger = new Ledger(new LedgerLight(1, DateTime.UtcNow.ToUnixTimestamp(), new LedgerHash(Hash256.Zero.Bytes), new ProtocolVersion(0x1)), block, merkle);
var signed = new SignedLedger(ledger);
var hash = signed.Hash;
signed.AddSignature(account1.CreateSignature(hash, Network));
return(signed);
}
public void TestKeyHashCode()
{
var dictionary = new Dictionary <PublicKey, PrivateKeyNotWallet>();
foreach (var key in keys)
{
var account = PrivateKeyNotWallet.FromBase64(key);
Assert.IsFalse(dictionary.ContainsKey(account));
dictionary.Add(account, account);
Assert.IsTrue(dictionary.ContainsKey(account));
var copy = PrivateKeyNotWallet.FromBase64(key);
Assert.IsTrue(dictionary.ContainsKey(copy));
}
}
public void TestSignatureVerify()
{
// get the private key
foreach (var key in keys)
{
var account = PrivateKeyNotWallet.FromBase64(key);
var text = "Guillaume is the best !";
var hash = Hashes.Hash256(Encoding.UTF8.GetBytes(text));
var signature = account.CreateSignature(hash, Network);
Assert.IsTrue(signature.PublicKey.Verify(hash, signature.SignatureByte, Network));
}
}
private Transaction CreatePaymentTransaction(out PrivateKeyNotWallet account1, out PrivateKeyNotWallet account2)
{
account1 = CreateAccount();
account2 = CreateAccount();
var declarations = new List <TxDeclaration>();
var inputs = new List <TxInput>()
{
new TxInput(account1, Currency.BTC, Amount.FromWholeValue(10)),
};
var outputs = new List <TxOutput>()
{
new TxOutput(account2, Currency.BTC, Amount.FromWholeValue(10)),
};
return(new Transaction(declarations, inputs, outputs, TransactionMessage.Empty, DateTime.UtcNow.Ticks));
}
public static Transaction CreateExchangeTransaction(this TestBase test, out PrivateKeyNotWallet account1, out PrivateKeyNotWallet account2)
{
account1 = test.CreateAccount();
account2 = test.CreateAccount();
var declarations = new List <TxDeclaration>();
var inputs = new List <TxInput>()
{
new TxInput(account1, Currency.BTC, Amount.FromWholeValue(10)),
new TxInput(account2, Currency.LTC, Amount.FromWholeValue(30)),
};
var outputs = new List <TxOutput>()
{
new TxOutput(account2, Currency.BTC, Amount.FromWholeValue(10)),
new TxOutput(account1, Currency.LTC, Amount.FromWholeValue(30)),
};
return(new Transaction(declarations, inputs, outputs, TransactionMessage.Empty, DateTime.UtcNow.Ticks));
}
public static string Encrypt(PrivateKeyNotWallet key, string password, Network network)
{
var version = network.GetVersionBytes(Network.VersionByte.BIP38_ENCRYPTED_PRIVATE_KEY);
var vch = key.PrivateKey.GetBytes();
//Compute the Bitcoin address (ASCII),
var addressBytes = Encoders.ASCII.DecodeData(key.PublicKey.GetAddress().Encoded);
// and take the first four bytes of SHA256(SHA256()) of it. Let's call this "addresshash".
var addresshash = Hashes.Hash256(addressBytes).ToBytes().SafeSubarray(0, 4);
var derived = SCrypt.BitcoinComputeDerivedKey(Encoding.UTF8.GetBytes(password), addresshash);
var encrypted = Bip38Engine.EncryptKey(vch, derived);
//flagByte |= (key.IsCompressed ? (byte)0x20 : (byte)0x00); // WTF OR 0x00 is IDENTITY
var bytes = version
.Concat(new[] { FLAG })
.Concat(addresshash)
.Concat(encrypted).ToArray();
return(Encoders.Base58Check.EncodeData(bytes));
}
protected SignedTransaction Transfer(PrivateKeyNotWallet sender, Address receiver, Currency currency, Amount amount, PrivateKeyNotWallet feePayer = null, long?fees = null, List <TxDeclaration> declarations = null, TransactionMessage message = null)
{
return(Transfer(sender, new List <PrivateKeyNotWallet> {
sender
}, receiver, currency, amount, declarations, feePayer, fees, message));
}
// account 1 is vending machine
protected SignedTransaction Exchange(Address account1, Currency currency1, Amount amount1, PrivateKeyNotWallet account2, Currency currency2, Amount amount2)
{
return(Exchange(account1, currency1, amount1, account2, currency2, amount2, account2));
}
public static bool SignLedger(this PrivateKeyNotWallet account, SignedLedger signed, Network network)
{
return(signed.AddSignature(account.CreateSignature(signed.Hash, network)));
}
public static bool SignTransaction(this PrivateKeyNotWallet account, SignedTransaction signed, Network network)
{
return(signed.AddSignature(account.CreateSignature(signed.Hash, network)));
}
protected SignedTransaction Exchange(Address account1, Currency currency1, Amount amount1, Address account2, Currency currency2, Amount amount2, PrivateKeyNotWallet signer)
{
var inputs = new List <TxInput>()
{
new TxInput(account1, currency1, amount1),
new TxInput(account2, currency2, amount2),
};
var outputs = new List <TxOutput>()
{
new TxOutput(account2, currency1, amount1),
new TxOutput(account1, currency2, amount2),
};
var transaction = new Transaction(new List <TxDeclaration>(), inputs, outputs, null, DateTime.UtcNow.AddMinutes(1).ToUnixTimestamp());
var signed = new SignedTransaction(transaction);
Assert.IsTrue(signer.SignTransaction(signed, Network));
return(signed);
}
public PrivateKeyNotWallet CreateAccount()
{
return(PrivateKeyNotWallet.FromBase64(keys[count++]));
}
protected SignedTransaction Transfer(Address sender, List <PrivateKeyNotWallet> signers, Address receiver, Currency currency, Amount amount, List <TxDeclaration> declarations = null, PrivateKeyNotWallet feePayer = null, long?fees = null, TransactionMessage message = null)
{
if (message == null)
{
message = TransactionMessage.Empty;
}
var inputs = new List <TxInput>()
{
new TxInput(sender, currency, amount),
};
var outputs = new List <TxOutput>()
{
new TxOutput(receiver, currency, amount),
};
var feeTxInput = fees == null ? null : new TxInput(feePayer, Currency.BTC, fees);
var transaction = new Transaction(declarations ?? new List <TxDeclaration>(), inputs, outputs, message, DateTime.UtcNow.AddMinutes(1).ToUnixTimestamp(), feeTxInput);
var signed = new SignedTransaction(transaction);
foreach (var signer in signers)
{
Assert.IsTrue(signer.SignTransaction(signed, Network));
}
if (feePayer != null && feePayer.Address != sender)
{
Assert.IsTrue(feePayer.SignTransaction(signed, Network));
}
return(signed);
}
