public void SetToP2WPKH_FromAddressTest()
{
PubkeyScript scr = new PubkeyScript();
scr.SetToP2WPKH(KeyHelper.Pub1BechAddr);
byte[] expected = Helper.HexToBytes($"0014{KeyHelper.Pub1BechAddrHex}");
Assert.Equal(expected, scr.Data);
}
public void SetToP2WPKH_FromByteTest()
{
PubkeyScript scr = new PubkeyScript();
scr.SetToP2WPKH(Helper.GetBytes(20));
byte[] expected = Helper.HexToBytes($"0014{Helper.GetBytesHex(20)}");
Assert.Equal(expected, scr.Data);
}
public void SetToP2WPKH_ExceptionTest()
{
PubkeyScript scr = new PubkeyScript();
byte[] nba = null;
PublicKey npub = null;
string naddr = null;
Assert.Throws <ArgumentNullException>(() => scr.SetToP2WPKH(nba));
Assert.Throws <ArgumentOutOfRangeException>(() => scr.SetToP2WPKH(new byte[19]));
Assert.Throws <ArgumentNullException>(() => scr.SetToP2WPKH(npub));
Assert.Throws <ArgumentNullException>(() => scr.SetToP2WPKH(naddr));
Assert.Throws <ArgumentNullException>(() => scr.SetToP2WPKH(""));
Assert.Throws <FormatException>(() => scr.SetToP2WPKH(KeyHelper.Pub1CompAddr));
}
public override bool SetOperations()
{
Errors = null;
if (string.IsNullOrEmpty(Address))
{
Errors = "Address can not be empty.";
return(false);
}
else if (addrManager.TryGetType(Address, out PubkeyScriptType scrType, out byte[] hash))
{
PubkeyScript scr = new PubkeyScript();
switch (scrType)
{
case PubkeyScriptType.P2PKH:
scr.SetToP2PKH(hash);
break;
case PubkeyScriptType.P2SH:
scr.SetToP2SH(hash);
break;
case PubkeyScriptType.P2WPKH:
scr.SetToP2WPKH(hash);
break;
case PubkeyScriptType.P2WSH:
scr.SetToP2WSH(hash);
break;
default:
Errors = "Undefined script type."; // This should never happen.
return(false);
}
OpsToAdd = scr.OperationList;
return(true);
}
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();