Coverage Report

Created: 2024-08-21 05:08

/workdir/bitcoin/src/undo.h
Line
Count
Source (jump to first uncovered line)
1
// Copyright (c) 2009-2010 Satoshi Nakamoto
2
// Copyright (c) 2009-2020 The Bitcoin Core developers
3
// Distributed under the MIT software license, see the accompanying
4
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6
#ifndef BITCOIN_UNDO_H
7
#define BITCOIN_UNDO_H
8
9
#include <coins.h>
10
#include <compressor.h>
11
#include <consensus/consensus.h>
12
#include <primitives/transaction.h>
13
#include <serialize.h>
14
15
/** Formatter for undo information for a CTxIn
16
 *
17
 *  Contains the prevout's CTxOut being spent, and its metadata as well
18
 *  (coinbase or not, height). The serialization contains a dummy value of
19
 *  zero. This is compatible with older versions which expect to see
20
 *  the transaction version there.
21
 */
22
struct TxInUndoFormatter
23
{
24
    template<typename Stream>
25
0
    void Ser(Stream &s, const Coin& txout) {
26
0
        ::Serialize(s, VARINT(txout.nHeight * uint32_t{2} + txout.fCoinBase ));
27
0
        if (txout.nHeight > 0) {
  Branch (27:13): [True: 0, False: 0]
  Branch (27:13): [True: 0, False: 0]
  Branch (27:13): [True: 0, False: 0]
  Branch (27:13): [True: 0, False: 0]
28
            // Required to maintain compatibility with older undo format.
29
0
            ::Serialize(s, (unsigned char)0);
30
0
        }
31
0
        ::Serialize(s, Using<TxOutCompression>(txout.out));
32
0
    }
Unexecuted instantiation: void TxInUndoFormatter::Ser<DataStream>(DataStream&, Coin const&)
Unexecuted instantiation: void TxInUndoFormatter::Ser<SizeComputer>(SizeComputer&, Coin const&)
Unexecuted instantiation: void TxInUndoFormatter::Ser<AutoFile>(AutoFile&, Coin const&)
Unexecuted instantiation: void TxInUndoFormatter::Ser<HashWriter>(HashWriter&, Coin const&)
33
34
    template<typename Stream>
35
0
    void Unser(Stream &s, Coin& txout) {
36
0
        uint32_t nCode = 0;
37
0
        ::Unserialize(s, VARINT(nCode));
38
0
        txout.nHeight = nCode >> 1;
39
0
        txout.fCoinBase = nCode & 1;
40
0
        if (txout.nHeight > 0) {
  Branch (40:13): [True: 0, False: 0]
  Branch (40:13): [True: 0, False: 0]
41
            // Old versions stored the version number for the last spend of
42
            // a transaction's outputs. Non-final spends were indicated with
43
            // height = 0.
44
0
            unsigned int nVersionDummy;
45
0
            ::Unserialize(s, VARINT(nVersionDummy));
46
0
        }
47
0
        ::Unserialize(s, Using<TxOutCompression>(txout.out));
48
0
    }
Unexecuted instantiation: void TxInUndoFormatter::Unser<DataStream>(DataStream&, Coin&)
Unexecuted instantiation: void TxInUndoFormatter::Unser<HashVerifier<AutoFile> >(HashVerifier<AutoFile>&, Coin&)
49
};
50
51
/** Undo information for a CTransaction */
52
class CTxUndo
53
{
54
public:
55
    // undo information for all txins
56
    std::vector<Coin> vprevout;
57
58
0
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
Unexecuted instantiation: void CTxUndo::SerializationOps<DataStream, CTxUndo, ActionUnserialize>(CTxUndo&, DataStream&, ActionUnserialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<DataStream, CTxUndo const, ActionSerialize>(CTxUndo const&, DataStream&, ActionSerialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<SizeComputer, CTxUndo const, ActionSerialize>(CTxUndo const&, SizeComputer&, ActionSerialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<AutoFile, CTxUndo const, ActionSerialize>(CTxUndo const&, AutoFile&, ActionSerialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<HashWriter, CTxUndo const, ActionSerialize>(CTxUndo const&, HashWriter&, ActionSerialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<HashVerifier<AutoFile>, CTxUndo, ActionUnserialize>(CTxUndo&, HashVerifier<AutoFile>&, ActionUnserialize)
59
};
60
61
/** Undo information for a CBlock */
62
class CBlockUndo
63
{
64
public:
65
    std::vector<CTxUndo> vtxundo; // for all but the coinbase
66
67
0
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
Unexecuted instantiation: void CBlockUndo::SerializationOps<DataStream, CBlockUndo, ActionUnserialize>(CBlockUndo&, DataStream&, ActionUnserialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<DataStream, CBlockUndo const, ActionSerialize>(CBlockUndo const&, DataStream&, ActionSerialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<SizeComputer, CBlockUndo const, ActionSerialize>(CBlockUndo const&, SizeComputer&, ActionSerialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<AutoFile, CBlockUndo const, ActionSerialize>(CBlockUndo const&, AutoFile&, ActionSerialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<HashWriter, CBlockUndo const, ActionSerialize>(CBlockUndo const&, HashWriter&, ActionSerialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<HashVerifier<AutoFile>, CBlockUndo, ActionUnserialize>(CBlockUndo&, HashVerifier<AutoFile>&, ActionUnserialize)
68
};
69
70
#endif // BITCOIN_UNDO_H