fuzz coverage

Coverage Report

Created: 2026-05-08 05:52

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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    void Ser(Stream &s, const Coin& txout) {
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        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        if (txout.nHeight > 0) {
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            // Required to maintain compatibility with older undo format.
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            ::Serialize(s, (unsigned char)0);
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        }
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        ::Serialize(s, Using<TxOutCompression>(txout.out));
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    }
Unexecuted instantiation: void TxInUndoFormatter::Ser<DataStream>(DataStream&, Coin const&)
void TxInUndoFormatter::Ser<SizeComputer>(SizeComputer&, Coin const&)
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    void Ser(Stream &s, const Coin& txout) {
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        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        if (txout.nHeight > 0) {
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            // Required to maintain compatibility with older undo format.
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            ::Serialize(s, (unsigned char)0);
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        }
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        ::Serialize(s, Using<TxOutCompression>(txout.out));
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    }
void TxInUndoFormatter::Ser<HashWriter>(HashWriter&, Coin const&)
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    void Ser(Stream &s, const Coin& txout) {
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        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        if (txout.nHeight > 0) {
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            // Required to maintain compatibility with older undo format.
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            ::Serialize(s, (unsigned char)0);
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        }
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        ::Serialize(s, Using<TxOutCompression>(txout.out));
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    }
void TxInUndoFormatter::Ser<BufferedWriter<AutoFile>>(BufferedWriter<AutoFile>&, Coin const&)
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    void Ser(Stream &s, const Coin& txout) {
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        uint32_t nCode{(uint32_t{txout.nHeight} << 1) | uint32_t{txout.fCoinBase}};
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        ::Serialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        if (txout.nHeight > 0) {
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            // Required to maintain compatibility with older undo format.
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            ::Serialize(s, (unsigned char)0);
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        }
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        ::Serialize(s, Using<TxOutCompression>(txout.out));
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    }
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    template<typename Stream>
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    void Unser(Stream &s, Coin& txout) {
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        uint32_t nCode = 0;
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        ::Unserialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
        ::Unserialize(s, VARINT(nCode));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        txout.nHeight = nCode >> 1;
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        txout.fCoinBase = nCode & 1;
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        if (txout.nHeight > 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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            unsigned int nVersionDummy;
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            ::Unserialize(s, VARINT(nVersionDummy));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
            ::Unserialize(s, VARINT(nVersionDummy));
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493
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#define VARINT(obj) Using<VarIntFormatter<VarIntMode::DEFAULT>>(obj)
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        }
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        ::Unserialize(s, Using<TxOutCompression>(txout.out));
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    }
Unexecuted instantiation: void TxInUndoFormatter::Unser<SpanReader>(SpanReader&, Coin&)
Unexecuted instantiation: void TxInUndoFormatter::Unser<HashVerifier<BufferedReader<AutoFile>>>(HashVerifier<BufferedReader<AutoFile>>&, Coin&)
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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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    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
Unexecuted instantiation: void CTxUndo::SerializationOps<SpanReader, CTxUndo, ActionUnserialize>(CTxUndo&, SpanReader&, ActionUnserialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<DataStream, CTxUndo const, ActionSerialize>(CTxUndo const&, DataStream&, ActionSerialize)
Unexecuted instantiation: void CTxUndo::SerializationOps<HashVerifier<BufferedReader<AutoFile>>, CTxUndo, ActionUnserialize>(CTxUndo&, HashVerifier<BufferedReader<AutoFile>>&, ActionUnserialize)
void CTxUndo::SerializationOps<SizeComputer, CTxUndo const, ActionSerialize>(CTxUndo const&, SizeComputer&, ActionSerialize)
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    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
void CTxUndo::SerializationOps<HashWriter, CTxUndo const, ActionSerialize>(CTxUndo const&, HashWriter&, ActionSerialize)
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    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
void CTxUndo::SerializationOps<BufferedWriter<AutoFile>, CTxUndo const, ActionSerialize>(CTxUndo const&, BufferedWriter<AutoFile>&, ActionSerialize)
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    SERIALIZE_METHODS(CTxUndo, obj) { READWRITE(Using<VectorFormatter<TxInUndoFormatter>>(obj.vprevout)); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
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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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    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
Unexecuted instantiation: void CBlockUndo::SerializationOps<SpanReader, CBlockUndo, ActionUnserialize>(CBlockUndo&, SpanReader&, ActionUnserialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<DataStream, CBlockUndo const, ActionSerialize>(CBlockUndo const&, DataStream&, ActionSerialize)
Unexecuted instantiation: void CBlockUndo::SerializationOps<HashVerifier<BufferedReader<AutoFile>>, CBlockUndo, ActionUnserialize>(CBlockUndo&, HashVerifier<BufferedReader<AutoFile>>&, ActionUnserialize)
void CBlockUndo::SerializationOps<SizeComputer, CBlockUndo const, ActionSerialize>(CBlockUndo const&, SizeComputer&, ActionSerialize)
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    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
void CBlockUndo::SerializationOps<HashWriter, CBlockUndo const, ActionSerialize>(CBlockUndo const&, HashWriter&, ActionSerialize)
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    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
void CBlockUndo::SerializationOps<BufferedWriter<AutoFile>, CBlockUndo const, ActionSerialize>(CBlockUndo const&, BufferedWriter<AutoFile>&, ActionSerialize)
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68
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    SERIALIZE_METHODS(CBlockUndo, obj) { READWRITE(obj.vtxundo); }
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147
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#define READWRITE(...) (ser_action.SerReadWriteMany(s, __VA_ARGS__))
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};
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#endif // BITCOIN_UNDO_H