public string ToAddressString(string addressPrefix = null)
{
if (addressPrefix.IsNull())
{
addressPrefix = ChainConfig.AddressPrefix;
}
var buffer = ToBuffer(true);
var hash = SHA512.Create().HashAndDispose(buffer);
buffer.Clear();
var firstChecksum = RIPEMD160.Create().HashAndDispose(hash);
hash.Clear();
var secondChecksum = RIPEMD160.Create().HashAndDispose(firstChecksum);
var checksum = secondChecksum.Slice(0, 4);
secondChecksum.Clear();
buffer = firstChecksum.Concat(checksum);
firstChecksum.Clear();
checksum.Clear();
var result = addressPrefix + Base58CheckEncoding.EncodePlain(buffer);
buffer.Clear();
return(result);
}
public string ToPtsAddy()
{
var buffer = ToBuffer(true);
var firstHash = SHA256.Create().HashAndDispose(buffer);
buffer.Clear();
var secondHash = RIPEMD160.Create().HashAndDispose(firstHash);
firstHash.Clear();
var hash = new byte[] { 0x38 }.Concat(secondHash); // version 56(decimal)
secondHash.Clear();
var firstChecksum = SHA256.Create().HashAndDispose(hash);
var secondChecksum = SHA256.Create().HashAndDispose(firstChecksum);
firstChecksum.Clear();
var checksum = secondChecksum.Slice(0, 4);
secondChecksum.Clear();
buffer = hash.Concat(checksum);
checksum.Clear();
hash.Clear();
var result = Base58CheckEncoding.EncodePlain(buffer);
buffer.Clear();
return(result);
}
public static IPublicKey FromPublicKeyString(string publicKey, string addressPrefix = null)
{
try
{
if (addressPrefix.IsNull())
{
addressPrefix = ChainConfig.AddressPrefix;
}
var prefix = publicKey.Substring(0, addressPrefix.Length);
Assert.Equal(
addressPrefix, prefix,
string.Format("Expecting key to begin with {0}, instead got {1}", addressPrefix, prefix)
);
publicKey = publicKey.Substring(addressPrefix.Length);
var key = Base58CheckEncoding.DecodePlain(publicKey);
var checksum = key.Slice(key.Length - 4);
var buffer = key.Slice(0, key.Length - 4);
key.Clear();
var hash = RIPEMD160.Create().HashAndDispose(buffer);
var newChecksum = hash.Slice(0, 4);
hash.Clear();
if (!checksum.DeepEqual(newChecksum))
{
throw new InvalidOperationException("Checksum did not match");
}
var result = FromBuffer(buffer);
buffer.Clear();
return(result);
}
catch
{
return(null);
}
}
public static void Do2()
{
var lengths = new Dictionary <int, List <string> >();
for (var i = 0; i < 100; i++)
{
var b = ByteUtils.RandomBytes(4);
Console.WriteLine(BitConverter.ToString(b).Replace("-", string.Empty));
var byteString = Base58CheckEncoding.EncodePlain(b);
var length = byteString.Length;
// Console.WriteLine(byteString);
if (lengths.ContainsKey(length))
{
lengths[length].Append(byteString);
}
else
{
lengths.Add(length, new List <string> {
byteString
});
}
}
foreach (var v in lengths.Keys)
{
Console.WriteLine($"{v}: {lengths[v][0]}");
}
foreach (var length in lengths)
{
Console.WriteLine($"Kvp - [length, occurrences] {length}.");
}
}
public static void Do()
{
for (var i = 0; i < 100; i++)
{
BigInteger randomBigInt = i;
var randomBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };
var bigIntByteArray = randomBigInt.ToByteArray();
if (bigIntByteArray.Length == 1)
{
randomBytes[3] = bigIntByteArray[0];
}
if (bigIntByteArray.Length == 2)
{
randomBytes[3] = bigIntByteArray[0];
randomBytes[2] = bigIntByteArray[1];
}
if (bigIntByteArray.Length == 3)
{
randomBytes[3] = bigIntByteArray[0];
randomBytes[2] = bigIntByteArray[1];
randomBytes[1] = bigIntByteArray[2];
}
var base58String = Base58CheckEncoding.EncodePlain(randomBytes);
Console.WriteLine($"Bytes: {string.Concat(randomBytes.Select(b => b.ToString("X2")))} Byte length: {bigIntByteArray.Length}, {base58String}");
}
}
public static PrivateKey FromWif(string base58)
{
var data = Base58CheckEncoding.Decode(base58);
bool compressed;
var network = DigiByteNet.Network.GetFromPrivKeyPrefix(data[0]);
if (network == null)
{
throw new ArgumentException("Invalid Network!");
}
if (data.Length == 1 + 32 + 1 && data[data.Length - 1] == 0x01)
{
compressed = true;
}
else if (data.Length == 1 + 32)
{
compressed = false;
}
else
{
throw new ArgumentException("Invalid WIF format!");
}
return(new PrivateKey(new BigInteger(data, 1, 32), compressed, network.Value));
}
public void DecodeInvalidChar()
{
Assert.Throws <FormatException>(() =>
{
Base58CheckEncoding.DecodePlain("ab0");
});
}
public static string Sha1(byte[] data)
{
var hash = SHA1.Create().ComputeHash(data);
var result = Base58CheckEncoding.Encode(hash);
return(result);
}
/// <inheritdoc/>
public async Task <byte[]> DownloadBytesAsync(byte[] address)
{
if (downloadClient != null)
{
byte[] bytes = new byte[digestSize + 2];
bytes[0] = fnCode;
bytes[1] = digestSize;
address.CopyTo(bytes, 2);
//Encoding.Unicode.GetBytes(address, 0, address.Length, bytes, 2);
string hash = Base58CheckEncoding.EncodePlain(bytes);
RestRequest downloadRequest = new RestRequest("/ipfs/" + hash, Method.GET);
downloadRequest.AddDecompressionMethod(System.Net.DecompressionMethods.None);
IRestResponse response = await downloadClient.ExecuteGetTaskAsync(downloadRequest);
if (response.ErrorException != null)
{
// TODO: throw some kind of custom exception on unsuccessful upload
throw new Exception();
}
return(response.RawBytes);
}
return(null);
}
public async Task TestCreateKeyWorksForSeed()
{
var paramJson = string.Format("{{\"seed\":\"{0}\"}}", MY1_SEED);
var senderVk = await Crypto.CreateKeyAsync(wallet, paramJson);
Assert.AreEqual(32, Base58CheckEncoding.DecodePlain(senderVk).Length);
}
/// <summary>
/// Decode a bytejail ID into a byte array.
/// </summary>
/// <param name="encodedPublicKey">The bytejail ID.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="CorruptIdentityException"></exception>
/// <returns>A 32 byte array.</returns>
public static byte[] DecodeBytejailPublicKey(string encodedPublicKey)
{
if (encodedPublicKey == null)
{
throw new ArgumentNullException("encodedPublicKey", "encodedPublicKey cannot be null");
}
try
{
var raw = Base58CheckEncoding.DecodePlain(encodedPublicKey);
var version = ArrayHelper.SubArray(raw, 0, 1);
if (!version.SequenceEqual(new[] { BytejailVersionPrefix }))
{
throw new FormatException("invalid version");
}
var publicKey = ArrayHelper.SubArray(raw, 1, 32);
var checksum = CalculateBytejailChecksum(new[] { BytejailVersionPrefix }, publicKey);
var givenChecksum = ArrayHelper.SubArray(raw, 33);
if (!checksum.SequenceEqual(givenChecksum))
{
throw new CorruptIdentityException("the given identity seems to be an invalid bytejail ID");
}
return(publicKey);
}
catch (FormatException)
{
throw new CorruptIdentityException("the given identity seems to be an invalid bytejail ID");
}
}
public API_History_4_3(SealedTransaction T)
{
id = ConvertTransactionId(T.Id);
source = Base58CheckEncoding.EncodePlain(T.Trxn.Source);
target = Base58CheckEncoding.EncodePlain(T.Trxn.Target);
amount = BcToDouble(T.Trxn.Amount);
fee = BcFeeConvert(T.Trxn.Fee.Commission);
timeCreation = new DateTime(T.Trxn.TimeCreation);
userFields = T.Trxn.UserFields;
type = (API_TransactionType)T.Trxn.Type;
if (T.Trxn.ExtraFee != null)
{
extraFee = T.Trxn.ExtraFee.Select(m => (API_ExtraFee) new API_ExtraFee_4_3(m)).ToList();
}
if (T.Trxn.SmartContract != null)
{
smartContract = new API_SmartContract_4_3(T.Trxn.SmartContract);
}
if (T.Trxn.SmartInfo != null)
{
smartInfo = new API_SmartTransInfo_4_3(T.Trxn.SmartInfo);
}
}
override public string ToString()
{
byte[] keyBody = new byte[PublicIdentityKey.PREFIX.Length + Bytes.Length];
System.Buffer.BlockCopy(PublicIdentityKey.PREFIX, 0, keyBody, 0, PublicIdentityKey.PREFIX.Length);
System.Buffer.BlockCopy(Bytes, 0, keyBody, PublicIdentityKey.PREFIX.Length, Bytes.Length);
return(Base58CheckEncoding.Encode(keyBody));
}
public async Task TestReplaceKeysStartWorksForEmptyJson()
{
var result = await Signus.ReplaceKeysStartAsync(wallet, _did, "{}");
Assert.IsNotNull(result);
Assert.AreEqual(32, Base58CheckEncoding.DecodePlain(result).Length);
}
/// <summary>
/// Try to recognize the identity format.
/// </summary>
/// <param name="encodedPublicKey">A base58 encoded public identity.</param>
/// <param name="validate">If true, the key will also be validated.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <returns>The KeyType.</returns>
public static KeyType TryRecognizeIdentityFormat(string encodedPublicKey, bool validate = true)
{
var type = KeyType.Unknown;
if (encodedPublicKey == null)
{
throw new ArgumentNullException("encodedPublicKey", "encodedPublicKey cannot be null");
}
try
{
var raw = Base58CheckEncoding.DecodePlain(encodedPublicKey);
switch (raw.Length)
{
case 33:
// miniLock
type = validate
? (DecodeMiniLockPublicKey(encodedPublicKey).Length == PublicKeyBytes
? KeyType.MiniLock
: KeyType.Invalid)
: KeyType.MiniLock;
break;
case 37:
// curvelock or bytejail
if (ArrayHelper.SubArray(raw, 0, 1).SequenceEqual(new[] { CurveLockVersionPrefix }))
{
// CurveLock
type = validate
? (DecodeCurveLockPublicKey(encodedPublicKey).Length == PublicKeyBytes
? KeyType.CurveLock
: KeyType.Invalid)
: KeyType.CurveLock;
}
else
{
if (ArrayHelper.SubArray(raw, 0, 1).SequenceEqual(new[] { BytejailVersionPrefix }))
{
// bytejail
type = validate
? (DecodeBytejailPublicKey(encodedPublicKey).Length == PublicKeyBytes
? KeyType.Bytejail
: KeyType.Invalid)
: KeyType.Bytejail;
}
}
break;
default:
type = KeyType.Unknown;
break;
}
}
catch (Exception)
{
type = KeyType.Invalid;
}
return(type);
}
public static IPrivateKey FromWif(string wif)
{
var fullBuffer = Base58CheckEncoding.DecodePlain(wif);
Assert.Equal(0x80, fullBuffer.First(), string.Format("Expected version {0}, instead got {1}", 0x80, fullBuffer.First()));
var buffer = fullBuffer.Slice(0, fullBuffer.Length - 4);
var checksum = fullBuffer.Slice(fullBuffer.Length - 4);
fullBuffer.Clear();
var firstChecksum = SHA256.Create().HashAndDispose(buffer);
var secondChecksum = SHA256.Create().HashAndDispose(firstChecksum);
firstChecksum.Clear();
var newChecksum = secondChecksum.Slice(0, 4);
secondChecksum.Clear();
if (!checksum.DeepEqual(newChecksum))
{
throw new InvalidOperationException("Checksum did not match");
}
checksum.Clear();
newChecksum.Clear();
var key = buffer.Slice(1, 32);
buffer.Clear();
var result = FromBuffer(key);
key.Clear();
return(result);
}
public void DecodeBrokenBitcoinAddress()
{
Assert.Throws <FormatException>(() =>
{
Base58CheckEncoding.Decode(BROKEN_ADDRESS_TEXT);
});
}
override public string ToString()
{
byte[] withPrefix = new byte[PrivateIdentityKey.PREFIX.Length + Seed.Length];
System.Buffer.BlockCopy(PrivateIdentityKey.PREFIX, 0, withPrefix, 0, PrivateIdentityKey.PREFIX.Length);
System.Buffer.BlockCopy(Seed, 0, withPrefix, PrivateIdentityKey.PREFIX.Length, Seed.Length);
return(Base58CheckEncoding.Encode(withPrefix));
}
public static byte[] PreparePubKeyHashP2PKH(string publicAddress)
{
byte[] result = Base58CheckEncoding.Decode(publicAddress);
byte[] removedPrefix = new byte[result.Length - 1];
Array.Copy(result, 1, removedPrefix, 0, removedPrefix.Length);
return(removedPrefix);
}
public ActionResult UnsafeTransaction(TransactionCreateModel model)
{
if (model.Priv == null)
{
return(Json(_api.Api.SendTransaction(new CreateTransactionModel(model))));
}
else
{
byte[] Private;
try
{
Private = Base58CheckEncoding.DecodePlain(model.Priv);
}
catch (Exception ex)
{
Response.StatusCode = (int)HttpStatusCode.Forbidden;
return(Json(ex.Message, JsonRequestBehavior.AllowGet));
}
try
{
return(Json(_api.Api.SendTransaction(new CreateTransactionModel(model), Private)));
}
catch (Exception ex)
{
Response.StatusCode = (int)HttpStatusCode.Forbidden;
return(Json(ex.Message, JsonRequestBehavior.AllowGet));
}
}
}
public static bool VerifyFormattedAddress(string formattedAddress)
{
if (string.IsNullOrEmpty(formattedAddress))
{
return(false);
}
return(Base58CheckEncoding.Verify(formattedAddress));
}
/// <summary>
/// Calculates Bitcoin P2PKH address given public key hash and network version bytes
/// </summary>
/// <param name="hash">public key hash</param>
/// <param name="versionBytes">version bytes of network</param>
/// <returns>base58check address</returns>
public static string ToP2PKHAddress(this Hash160 hash, Span <byte> versionBytes)
{
Span <byte> data = new byte[versionBytes.Length + hash.Bytes.Length];
versionBytes.CopyTo(data);
hash.Bytes.CopyTo(data.Slice(versionBytes.Length, hash.Bytes.Length));
return(Base58CheckEncoding.Encode(data));
}
public BalanceToken BalanceTokenModel(TokenBalance model)
{
return(new BalanceToken
{
Code = model.Code,
Token = Base58CheckEncoding.EncodePlain(model.Token),
Balance = model.Balance
});
}
public async Task TestCreateMyDidWorksForEmptyJson()
{
var result = await Signus.CreateAndStoreMyDidAsync(wallet, "{}");
Assert.IsNotNull(result);
Assert.AreEqual(16, Base58CheckEncoding.DecodePlain(result.Did).Length);
Assert.AreEqual(32, Base58CheckEncoding.DecodePlain(result.VerKey).Length);
}
public void Decode()
{
foreach (var tuple in _testCases)
{
var text = tuple.Item1;
var expectedBytes = tuple.Item2;
var actualBytes = Base58CheckEncoding.DecodePlain(text);
Assert.AreEqual(BitConverter.ToString(expectedBytes), BitConverter.ToString(actualBytes));
}
}
public void Encode()
{
foreach (var tuple in _testCases)
{
var bytes = tuple.Item2;
var expectedText = tuple.Item1;
var actualText = Base58CheckEncoding.EncodePlain(bytes);
Assert.AreEqual(expectedText, actualText);
}
}
public void EncodePlan_And_DecodePlain_ByteString()
{
var bs = ByteString.CopyFromUtf8("test byte string");
var encodeMessage = Base58CheckEncoding.EncodePlain(bs);
var decodeMessage = Base58CheckEncoding.DecodePlain(encodeMessage);
var bs1 = ByteString.CopyFrom(decodeMessage);
bs.ShouldBe(bs1);
}
public void TestEncoding()
{
// Example address from https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses
var addressBytes = "00f54a5851e9372b87810a8e60cdd2e7cfd80b6e31".HexToBytes();
const string base58Expected = "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs";
var base58Actual = Base58CheckEncoding.Encode(addressBytes);
base58Actual.Should().BeEquivalentTo(base58Expected);
}
public API_TokenTransferTransInfo_4_3(TokenTransferTransInfo I)
{
Code = I.Code;
Sender = Base58CheckEncoding.EncodePlain(I.Sender);
Receiver = Base58CheckEncoding.EncodePlain(I.Receiver);
Amount = I.Amount;
State = (API_SmartOperationState)I.State;
StateTransaction = ConvertTransactionId(I.StateTransaction);
TransferSuccess = I.TransferSuccess;
}
public void TestEncode()
{
byte[] message = UTF8Encoding.UTF8.GetBytes("hello world");
string expected_header = "header-part ";
string expected_footer = " footer part.";
string expected_result = expected_header + Base58CheckEncoding.Encode(message) + expected_footer;
SimplePack packer = new SimplePack(expected_header, expected_footer);
string actual_result = packer.encode(message);
Assert.AreEqual(actual_result, expected_result);
}
