public void KeyPairTest()
{
//sr25519, schnorrkel, without psw or ///Substrate
var mnemonic = "donor rocket find fan language damp yellow crouch attend meat hybrid pulse";
var keyPair1 = Mnemonic.GetKeyPairFromMnemonic(mnemonic, "", BIP39Wordlist.English, ExpandMode.Ed25519);
Assert.AreEqual("5CSFNKvSFchQd7TjuuvPca1RheLAqZfFKiqAM6Fv6us9QhvR", Utils.GetAddressFrom(keyPair1.Public.Key));
var keyPair2 = Mnemonic.GetKeyPairFromMnemonic(mnemonic, "Substrate", BIP39Wordlist.English, ExpandMode.Ed25519);
Assert.AreEqual("5FRbTVsuNAXFDq19gSnwihXUDMeEQKfhDnUWgYuUq6jFknVq", Utils.GetAddressFrom(keyPair2.Public.Key));
Assert.AreEqual(32, keyPair2.Secret.key.GetBytes().Length);
Assert.AreEqual("0x7CFF5CEAEEAF93EF4675DFCA17FF1383B66DF5141F491309D70A5C1087D3910D", Utils.Bytes2HexString(keyPair2.Secret.key.GetBytes()));
Assert.AreEqual("0x767B646A4BEAD69074C77B69D142A21978D867357A2227D16370F8A675991011", Utils.Bytes2HexString(keyPair2.Secret.nonce));
Assert.AreEqual("0x7CFF5CEAEEAF93EF4675DFCA17FF1383B66DF5141F491309D70A5C1087D3910D" +
"767B646A4BEAD69074C77B69D142A21978D867357A2227D16370F8A675991011", Utils.Bytes2HexString(keyPair2.Secret.ToBytes()));
Assert.AreEqual("0x94A34FAF4D464F0404C41EFEAE6C476C21755492F77B5715CE5291CE601A8318", Utils.Bytes2HexString(keyPair2.Public.Key));
var secret = Mnemonic.GetSecretKeyFromMnemonic(mnemonic, "Substrate", BIP39Wordlist.English);
Assert.AreEqual("0x9AD12F46F904DA56073948B789F7FD8A5CD1A2E79480A5986DFB7C814E228586", Utils.Bytes2HexString(secret));
var miniSecret = new MiniSecret(secret, ExpandMode.Ed25519);
var keyPair3 = miniSecret.GetPair();
Assert.AreEqual(keyPair2.Public.Key, keyPair3.Public.Key);
Assert.AreEqual(keyPair2.Secret.ToBytes(), keyPair3.Secret.ToBytes());
}
public void Sr25519KeyPairTest()
{
// Secret Key URI `//Alice` is account:
// Secret seed: 0xe5be9a5092b81bca64be81d212e7f2f9eba183bb7a90954f7b76361f6edb5c0a
// Public key(hex): 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d
// Account ID: 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d
// SS58 Address: 5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY
var miniSecretAlice = new MiniSecret(Utils.HexToByteArray("0xe5be9a5092b81bca64be81d212e7f2f9eba183bb7a90954f7b76361f6edb5c0a"), ExpandMode.Ed25519);
var keyPairAlice = miniSecretAlice.GetPair();
Assert.AreEqual("0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d", Utils.Bytes2HexString(keyPairAlice.Public.Key).ToLower());
Assert.AreEqual("0x925a225d97aa00682d6a59b95b18780c10d7032336e88f3442b42361f4a66011", Utils.Bytes2HexString(keyPairAlice.Secret.nonce).ToLower());
Assert.AreEqual("5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", Utils.GetAddressFrom(keyPairAlice.Public.Key));
// Secret Key URI `//Bob` is account:
// Secret seed: 0x398f0c28f98885e046333d4a41c19cee4c37368a9832c6502f6cfd182e2aef89
// Public key(hex): 0x8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48
// Account ID: 0x8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48
// SS58 Address: 5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
var miniSecretBob = new MiniSecret(Utils.HexToByteArray("0x398f0c28f98885e046333d4a41c19cee4c37368a9832c6502f6cfd182e2aef89"), ExpandMode.Ed25519);
var keyPairBob = miniSecretBob.GetPair();
Assert.AreEqual("0x8eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a48", Utils.Bytes2HexString(keyPairBob.Public.Key).ToLower());
Assert.AreEqual("0x41ae88f85d0c1bfc37be41c904e1dfc01de8c8067b0d6d5df25dd1ac0894a325", Utils.Bytes2HexString(keyPairBob.Secret.nonce).ToLower());
Assert.AreEqual("5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", Utils.GetAddressFrom(keyPairBob.Public.Key));
}
/// <summary>
/// Get a key pair from mnemonic
/// </summary>
/// <param name="mnemonic"></param>
/// <param name="password"></param>
/// <param name="bIP39Wordlist"></param>
/// <param name="expandMode"></param>
/// <returns></returns>
public static KeyPair GetKeyPairFromMnemonic(string mnemonic, string password, BIP39Wordlist bIP39Wordlist, ExpandMode expandMode)
{
var secretBytes = GetSecretKeyFromMnemonic(mnemonic, password, bIP39Wordlist);
var miniSecret = new MiniSecret(secretBytes, expandMode);
return(new KeyPair(miniSecret.ExpandToPublic(), miniSecret.ExpandToSecret()));
}
/// <summary>
/// Unlocks the asynchronous.
/// </summary>
/// <param name="password">The password.</param>
/// <param name="noCheck">if set to <c>true</c> [no check].</param>
/// <returns></returns>
/// <exception cref="Exception">Public key check failed!</exception>
public async Task <bool> UnlockAsync(string password, bool noCheck = false)
{
if (IsUnlocked || !IsCreated)
{
Logger.Warn("Wallet is already unlocked or doesn't exist.");
return(IsUnlocked && IsCreated);
}
Logger.Info("Unlock new wallet.");
try
{
var pswBytes = Encoding.UTF8.GetBytes(password);
pswBytes = SHA256.Create().ComputeHash(pswBytes);
var seed = ManagedAes.DecryptStringFromBytes_Aes(_walletFile.EncryptedSeed, pswBytes, _walletFile.Salt);
byte[] publicKey = null;
byte[] privateKey = null;
switch (_walletFile.KeyType)
{
case KeyType.Ed25519:
Ed25519.KeyPairFromSeed(out publicKey, out privateKey, Utils.HexToByteArray(seed));
break;
case KeyType.Sr25519:
var miniSecret = new MiniSecret(Utils.HexToByteArray(seed), ExpandMode.Ed25519);
var getPair = miniSecret.GetPair();
privateKey = getPair.Secret.ToBytes();
publicKey = getPair.Public.Key;
break;
}
if (noCheck || !publicKey.SequenceEqual(_walletFile.PublicKey))
{
throw new Exception("Public key check failed!");
}
Account = Account.Build(_walletFile.KeyType, privateKey, publicKey);
}
catch (Exception exception)
{
Logger.Warn($"Couldn't unlock the wallet with this password. {exception}");
return(false);
}
if (IsOnline)
{
_subscriptionAccountInfo = await SubscribeAccountInfoAsync();
}
return(true);
}
/// <summary>
/// Creates the asynchronous.
/// </summary>
/// <param name="password">The password.</param>
/// <param name="mnemonic">The mnemonic.</param>
/// <param name="walletName">Name of the wallet.</param>
/// <returns></returns>
public async Task <bool> CreateAsync(string password, string mnemonic, string walletName = DefaultWalletName)
{
if (IsCreated)
{
Logger.Warn("Wallet already created.");
return(true);
}
if (!IsValidPassword(password))
{
Logger.Warn(
"Password isn't is invalid, please provide a proper password. Minmimu eight size and must have upper, lower and digits.");
return(false);
}
Logger.Info("Creating new wallet from mnemonic.");
var seed = Mnemonic.GetSecretKeyFromMnemonic(mnemonic, "Substrate", BIP39Wordlist.English);
var randomBytes = new byte[48];
_random.NextBytes(randomBytes);
var memoryBytes = randomBytes.AsMemory();
var pswBytes = Encoding.UTF8.GetBytes(password);
var salt = memoryBytes.Slice(0, 16).ToArray();
pswBytes = SHA256.Create().ComputeHash(pswBytes);
var encryptedSeed =
ManagedAes.EncryptStringToBytes_Aes(Utils.Bytes2HexString(seed, Utils.HexStringFormat.Pure), pswBytes, salt);
var miniSecret = new MiniSecret(seed, ExpandMode.Ed25519);
var getPair = miniSecret.GetPair();
var keyType = KeyType.Sr25519;
_walletFile = new WalletFile(keyType, getPair.Public.Key, encryptedSeed, salt);
Caching.Persist(AddWalletFileType(walletName), _walletFile);
Account = Account.Build(keyType, getPair.Secret.ToBytes(), getPair.Public.Key);
if (IsOnline)
{
_subscriptionAccountInfo = await SubscribeAccountInfoAsync();
}
return(true);
}
public void Sr25519SignatureTest()
{
var miniSecretAlice = new MiniSecret(Utils.HexToByteArray("0xe5be9a5092b81bca64be81d212e7f2f9eba183bb7a90954f7b76361f6edb5c0a"), ExpandMode.Ed25519);
var keyPairAlice = miniSecretAlice.GetPair();
var messageLength = _random.Next(10, 200);
var message = new byte[messageLength];
_random.NextBytes(message);
var simpleSign = Schnorrkel.Sr25519v091.SignSimple(keyPairAlice, message);
Assert.True(Schnorrkel.Sr25519v091.Verify(simpleSign, keyPairAlice.Public.Key, message));
}
