public async Task <IBlock> Start(IBlock prev, int height, CancellationToken token)
{
// Certain things are hard-coded here because this tool is meant for testing.
// Eventually it will use IWallet.NextAddress() to get a new address to mine to from the wallet instance
// and IBlockchain.GetTarget() to mine at the correct difficulty.
// For now it is a good way of mining any transaction that won't propagate in TestNet by bitcoin core clients.
var consensus = new Consensus(height, NetworkType.TestNet);
string cbText = "Mined using Denovo v0.1.0";
// A weak key used only for testing
using var key = new PrivateKey(new Sha256().ComputeHash(Encoding.UTF8.GetBytes(cbText)));
var pkScr = new PubkeyScript();
pkScr.SetToP2WPKH(key.ToPublicKey());
byte[] commitment = null;
//var tx1 = new Transaction();
//tx1.TryDeserialize(new FastStreamReader(Base16.Decode("")), out _);
ulong fee = 0;
var coinbase = new Transaction()
{
Version = 1,
TxInList = new TxIn[]
{
new TxIn(new byte[32], uint.MaxValue, new SignatureScript(height, Encoding.UTF8.GetBytes($"{cbText} by Coding Enthusiast")), uint.MaxValue)
},
TxOutList = new TxOut[]
{
new TxOut(consensus.BlockReward + fee, pkScr),
new TxOut(0, new PubkeyScript())
},
LockTime = new LockTime(height)
};
((PubkeyScript)coinbase.TxOutList[1].PubScript).SetToReturn(Encoding.UTF8.GetBytes("Testing Mining View Model."));
var block = new Block()
{
Header = new BlockHeader()
{
Version = prev.Header.Version,
BlockTime = (uint)UnixTimeStamp.TimeToEpoch(DateTime.UtcNow.AddMinutes(22)),
NBits = 0x1d00ffffU,
PreviousBlockHeaderHash = prev.GetBlockHash(false),
},
TransactionList = new Transaction[] { coinbase }
};
if (block.TransactionList.Length > 1 && commitment != null)
{
coinbase.WitnessList = new Witness[1]
{
new Witness(new byte[][] { commitment })
};
var temp = new TxOut[coinbase.TxOutList.Length + 1];
Array.Copy(coinbase.TxOutList, 0, temp, 0, coinbase.TxOutList.Length);
temp[^ 1] = new TxOut();
public void EpochToTimeTest(DateTime expected, long epoch)
{
DateTime actual = UnixTimeStamp.EpochToTime(epoch);
Assert.Equal(expected, actual);
}
/// <summary>
/// Initializes a new instance of <see cref="VersionPayload"/> with the given parameters and sets the rest to
/// default values.
/// </summary>
/// <exception cref="ArgumentOutOfRangeException"/>
/// <param name="ver">Protocol version</param>
/// <param name="servs">Services supported by this node</param>
/// <param name="height">Highest block height that this node has</param>
/// <param name="relay">
/// Indicates whether <see cref="PayloadType.Inv"/> or <see cref="PayloadType.Tx"/> messages should be sent
/// to this node
/// </param>
public VersionPayload(int ver, NodeServiceFlags servs, int height, bool relay) :
this(ver, UnixTimeStamp.GetEpochUtcNow(), new NetworkAddress(), new NetworkAddress() { NodeServices = servs },
0, new BIP0014("Bitcoin.Net", new Version(0, 0, 0)).ToString(), height, relay)
{
}
public void TimeToEpochTest(DateTime dt, long expected)
{
long actual = UnixTimeStamp.TimeToEpoch(dt);
Assert.Equal(expected, actual);
}
public override int GetHashCode()
{
return(base.GetHashCode() ^ UnixTimeStamp.GetHashCode());
}
private static void Foo(UnixTimeStamp obj, JsonWriter writer)
{
writer.Write(obj.Value);
}
/// <summary>
/// Converts the value of the current instance to its equivalent string representation.
/// </summary>
/// <returns>A string representation of the value of the current instance.</returns>
public override string ToString()
{
return((value < Threshold || value == uint.MaxValue) ? $"{value}" : $"{UnixTimeStamp.EpochToTime(value)}");
}
public static IEnumerable <object[]> GetLocatorCases()
{
var fman = new MockFileManager()
{
expReadFN = "Headers",
returnReadData = BlockHeaderTests.GetSampleBlockHeaderBytes(),
blockInfo = new byte[32 + 4 + 4]
};
var consensus = new MockConsensus();
var bver = new BlockVerifier(null, consensus);
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(1),
GetHeaders(1)
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(2),
GetHeaders(2).Reverse()
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(10),
GetHeaders(10).Reverse()
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(11),
GetHeaders(11).Reverse()
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(12),
GetHeaders(12).Reverse()
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(13),
new BlockHeader[12]
{
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(3, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(14),
new BlockHeader[13]
{
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(3, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(1, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(15),
new BlockHeader[13]
{
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(16),
new BlockHeader[13]
{
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(3, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(17),
new BlockHeader[13]
{
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(18),
new BlockHeader[14]
{
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(1, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
GetHeaders(19),
new BlockHeader[14]
{
new BlockHeader(18, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
yield return(new object[]
{
GetChain(fman, bver, consensus),
new BlockHeader[19]
{
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(1, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(3, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(18, new byte[32], new byte[32], (uint)UnixTimeStamp.TimeToEpoch(DateTime.Now.Subtract(TimeSpan.FromHours(1))), 0, 0),
},
new BlockHeader[14]
{
// Last block (18) is not included
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(1, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
uint yesterday = (uint)UnixTimeStamp.TimeToEpoch(DateTime.UtcNow.Subtract(TimeSpan.FromHours(25)));
yield return(new object[]
{
GetChain(fman, bver, consensus),
new BlockHeader[19]
{
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(1, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(3, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(4, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(5, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(7, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(18, new byte[32], new byte[32], yesterday, 0, 0),
},
new BlockHeader[14]
{
new BlockHeader(18, new byte[32], new byte[32], yesterday, 0, 0),
new BlockHeader(17, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(16, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(15, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(14, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(13, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(12, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(11, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(10, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(9, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(8, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(6, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(2, new byte[32], new byte[32], 0, 0, 0),
new BlockHeader(0, new byte[32], new byte[32], 0, 0, 0),
}
});
}
