Coverage Report

Created: 2026-09-01 13:33

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/root/bitcoin/src/undo.h
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_UNDO_H
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#define BITCOIN_UNDO_H
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#include <coins.h>
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#include <compressor.h>
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#include <consensus/consensus.h>
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#include <primitives/transaction.h>
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#include <serialize.h>
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/** Formatter for undo information for a CTxIn
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 *
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 *  Contains the prevout's CTxOut being spent, and its metadata as well
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 *  (coinbase or not, height). The serialization contains a dummy value of
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 *  zero. This is compatible with older versions which expect to see
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 *  the transaction version there.
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 */
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struct TxInUndoFormatter
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{
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    template<typename Stream>
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1.63M
    void Ser(Stream &s, const Coin& txout) {
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1.63M
        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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1.63M
        ::Serialize(s, VARINT(nCode));
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1.63M
        if (txout.nHeight > 0) {
  Branch (28:13): [True: 807k, False: 826k]

  Branch (28:13): [True: 992, False: 0]
  Branch (28:13): [True: 992, False: 0]
  Branch (28:13): [True: 992, False: 0]

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            // Required to maintain compatibility with older undo format.
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810k
            ::Serialize(s, (unsigned char)0);
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810k
        }
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1.63M
        ::Serialize(s, Using<TxOutCompression>(txout.out));
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1.63M
    }
_ZN17TxInUndoFormatter3SerI10DataStreamEEvRT_RK4Coin
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25
1.63M
    void Ser(Stream &s, const Coin& txout) {
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1.63M
        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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1.63M
        ::Serialize(s, VARINT(nCode));
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1.63M
        if (txout.nHeight > 0) {
  Branch (28:13): [True: 807k, False: 826k]

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            // Required to maintain compatibility with older undo format.
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807k
            ::Serialize(s, (unsigned char)0);
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807k
        }
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1.63M
        ::Serialize(s, Using<TxOutCompression>(txout.out));
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1.63M
    }
_ZN17TxInUndoFormatter3SerI12SizeComputerEEvRT_RK4Coin
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992
    void Ser(Stream &s, const Coin& txout) {
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992
        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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992
        ::Serialize(s, VARINT(nCode));
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992
        if (txout.nHeight > 0) {
  Branch (28:13): [True: 992, False: 0]

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            // Required to maintain compatibility with older undo format.
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992
            ::Serialize(s, (unsigned char)0);
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992
        }
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992
        ::Serialize(s, Using<TxOutCompression>(txout.out));
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992
    }
_ZN17TxInUndoFormatter3SerI10HashWriterEEvRT_RK4Coin
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25
992
    void Ser(Stream &s, const Coin& txout) {
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992
        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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992
        ::Serialize(s, VARINT(nCode));
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992
        if (txout.nHeight > 0) {
  Branch (28:13): [True: 992, False: 0]

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            // Required to maintain compatibility with older undo format.
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992
            ::Serialize(s, (unsigned char)0);
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992
        }
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992
        ::Serialize(s, Using<TxOutCompression>(txout.out));
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992
    }
_ZN17TxInUndoFormatter3SerI14BufferedWriterI8AutoFileEEEvRT_RK4Coin
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992
    void Ser(Stream &s, const Coin& txout) {
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992
        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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992
        ::Serialize(s, VARINT(nCode));
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992
        if (txout.nHeight > 0) {
  Branch (28:13): [True: 992, False: 0]

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            // Required to maintain compatibility with older undo format.
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992
            ::Serialize(s, (unsigned char)0);
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992
        }
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992
        ::Serialize(s, Using<TxOutCompression>(txout.out));
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992
    }
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    template<typename Stream>
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2.68M
    void Unser(Stream &s, Coin& txout) {
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2.68M
        uint32_t nCode = 0;
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2.68M
        ::Unserialize(s, VARINT(nCode));
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2.68M
        txout.nHeight = nCode >> 1;
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2.68M
        txout.fCoinBase = nCode & 1;
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2.68M
        if (txout.nHeight > 0) {
  Branch (41:13): [True: 1.33M, False: 1.35M]

  Branch (41:13): [True: 0, False: 0]

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            // Old versions stored the version number for the last spend of
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            // a transaction's outputs. Non-final spends were indicated with
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            // height = 0.
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1.33M
            unsigned int nVersionDummy;
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1.33M
            ::Unserialize(s, VARINT(nVersionDummy));
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1.33M
        }
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2.68M
        ::Unserialize(s, Using<TxOutCompression>(txout.out));
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2.68M
    }
_ZN17TxInUndoFormatter5UnserI10SpanReaderEEvRT_R4Coin
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36
2.68M
    void Unser(Stream &s, Coin& txout) {
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2.68M
        uint32_t nCode = 0;
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2.68M
        ::Unserialize(s, VARINT(nCode));
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2.68M
        txout.nHeight = nCode >> 1;
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2.68M
        txout.fCoinBase = nCode & 1;
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2.68M
        if (txout.nHeight > 0) {
  Branch (41:13): [True: 1.33M, False: 1.35M]

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            // Old versions stored the version number for the last spend of
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            // a transaction's outputs. Non-final spends were indicated with
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            // height = 0.
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1.33M
            unsigned int nVersionDummy;
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1.33M
            ::Unserialize(s, VARINT(nVersionDummy));
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1.33M
        }
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2.68M
        ::Unserialize(s, Using<TxOutCompression>(txout.out));
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2.68M
    }
Unexecuted instantiation: _ZN17TxInUndoFormatter5UnserI12HashVerifierI14BufferedReaderI8AutoFileEEEEvRT_R4Coin
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};
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/** Undo information for a CTransaction */
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class CTxUndo
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{
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public:
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    // undo information for all txins
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    std::vector<Coin> vprevout;
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8.63M
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
_ZN7CTxUndo16SerializationOpsI10SpanReaderS_17ActionUnserializeEEvRT0_RT_T1_
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6.35M
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
_ZN7CTxUndo16SerializationOpsI10DataStreamKS_15ActionSerializeEEvRT0_RT_T1_
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2.28M
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
Unexecuted instantiation: _ZN7CTxUndo16SerializationOpsI12HashVerifierI14BufferedReaderI8AutoFileEES_17ActionUnserializeEEvRT0_RT_T1_
_ZN7CTxUndo16SerializationOpsI12SizeComputerKS_15ActionSerializeEEvRT0_RT_T1_
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562
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
_ZN7CTxUndo16SerializationOpsI10HashWriterKS_15ActionSerializeEEvRT0_RT_T1_
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59
562
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
_ZN7CTxUndo16SerializationOpsI14BufferedWriterI8AutoFileEKS_15ActionSerializeEEvRT0_RT_T1_
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562
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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};
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/** Undo information for a CBlock */
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class CBlockUndo
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{
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public:
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    std::vector<CTxUndo> vtxundo; // for all but the coinbase
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1.02M
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
_ZN10CBlockUndo16SerializationOpsI10SpanReaderS_17ActionUnserializeEEvRT0_RT_T1_
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68
177
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
_ZN10CBlockUndo16SerializationOpsI10DataStreamKS_15ActionSerializeEEvRT0_RT_T1_
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68
125
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
Unexecuted instantiation: _ZN10CBlockUndo16SerializationOpsI12HashVerifierI14BufferedReaderI8AutoFileEES_17ActionUnserializeEEvRT0_RT_T1_
_ZN10CBlockUndo16SerializationOpsI12SizeComputerKS_15ActionSerializeEEvRT0_RT_T1_
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68
341k
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
_ZN10CBlockUndo16SerializationOpsI10HashWriterKS_15ActionSerializeEEvRT0_RT_T1_
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68
341k
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
_ZN10CBlockUndo16SerializationOpsI14BufferedWriterI8AutoFileEKS_15ActionSerializeEEvRT0_RT_T1_
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68
341k
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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};
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#endif // BITCOIN_UNDO_H