public bool TryParseScript(ref SequenceReader <byte> r, IKzBlockParser bp, bool withoutLength = false)
{
var length = r.Remaining;
if (!withoutLength && !r.TryReadVarint(out length))
{
goto fail;
}
bp.ScriptStart(this, r.Consumed);
if (r.Remaining < length)
{
goto fail;
}
_script = r.Sequence.Slice(r.Position, length);
r.Advance(length);
bp.ScriptParsed(this, r.Consumed);
return(true);
fail:
return(false);
}
public bool TryParseTransaction(ref SequenceReader <byte> r, IKzBlockParser bp)
{
var offset = r.Consumed;
var start = r.Position;
if (!r.TryReadLittleEndian(out _version))
{
goto fail;
}
if (!r.TryReadVarint(out long countIn))
{
goto fail;
}
bp.TxStart(this, offset);
_vin = new KzTxIn[countIn];
for (var i = 0L; i < countIn; i++)
{
ref var txin = ref _vin[i];
if (!txin.TryParseTxIn(ref r, bp))
{
goto fail;
}
}
public bool TryParseTxIn(ref SequenceReader<byte> r, IKzBlockParser bp)
{
if (!_prevout.TryReadOutPoint(ref r)) goto fail;
bp.TxInStart(this, r.Consumed);
if (!_scriptSig.TryParseScript(ref r, bp)) goto fail;
if (!r.TryReadLittleEndian(out _sequence)) goto fail;
bp.TxInParsed(this, r.Consumed);
return true;
fail:
return false;
}
public bool TryParseBlock(ref ReadOnlySequence <byte> ros, int height, IKzBlockParser bp)
{
var r = new SequenceReader <byte>(ros);
if (!TryParseBlock(ref r, height, bp))
{
goto fail;
}
ros = ros.Slice(r.Consumed);
return(true);
fail:
return(false);
}
public bool TryParseBlock(ref SequenceReader <byte> r, int height, IKzBlockParser bp)
{
var offset = r.Consumed;
if (!TryReadBlockHeader(ref r))
{
goto fail;
}
Height = height;
bp.BlockStart(this, offset);
if (!r.TryReadVarint(out long count))
{
goto fail;
}
_txs = new KzTransaction[count];
for (var i = 0L; i < count; i++)
{
var t = new KzTransaction();
_txs[i] = t;
if (!t.TryParseTransaction(ref r, bp))
{
goto fail;
}
}
if (!VerifyMerkleRoot())
{
goto fail;
}
bp.BlockParsed(this, r.Consumed);
return(true);
fail:
return(false);
}
public bool TryParseTxOut(ref SequenceReader <byte> r, IKzBlockParser bp)
{
if (!r.TryReadLittleEndian(out _value))
{
goto fail;
}
bp.TxOutStart(this, r.Consumed);
if (!_scriptPub.TryParseScript(ref r, bp))
{
goto fail;
}
bp.TxOutParsed(this, r.Consumed);
return(true);
fail:
return(false);
}