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Merge pull request #5927 from nuttycom/fix/transaction_field_init 

Ensure boolean & integer-typed transaction fields are zero-initialized.
This commit is contained in:
Kris Nuttycombe 2022-05-09 08:40:52 -06:00 committed by GitHub
parent 8ca33e06f7 038decbc08
commit cdcf1ee88b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 14 deletions
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28
src/primitives/transaction.h
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@ -379,8 +379,8 @@ class JSDescription
public: public:
// These values 'enter from' and 'exit to' the value // These values 'enter from' and 'exit to' the value
// pool, respectively. // pool, respectively.
CAmount vpub_old; CAmount vpub_old{0};
CAmount vpub_new; CAmount vpub_new{0};
// JoinSplits are always anchored to a root in the note // JoinSplits are always anchored to a root in the note
// commitment tree at some point in the blockchain // commitment tree at some point in the blockchain
@ -761,13 +761,13 @@ public:
// actually immutable; deserialization and assignment are implemented, // actually immutable; deserialization and assignment are implemented,
// and bypass the constness. This is safe, as they update the entire // and bypass the constness. This is safe, as they update the entire
// structure, including the hash. // structure, including the hash.
const bool fOverwintered; const bool fOverwintered{false};
const int32_t nVersion; const int32_t nVersion{0};
const uint32_t nVersionGroupId; const uint32_t nVersionGroupId{0};
const std::vector<CTxIn> vin; const std::vector<CTxIn> vin;
const std::vector<CTxOut> vout; const std::vector<CTxOut> vout;
const uint32_t nLockTime; const uint32_t nLockTime{0};
const uint32_t nExpiryHeight; const uint32_t nExpiryHeight{0};
const std::vector<SpendDescription> vShieldedSpend; const std::vector<SpendDescription> vShieldedSpend;
const std::vector<OutputDescription> vShieldedOutput; const std::vector<OutputDescription> vShieldedOutput;
const std::vector<JSDescription> vJoinSplit; const std::vector<JSDescription> vJoinSplit;
@ -997,17 +997,17 @@ public:
/** A mutable version of CTransaction. */ /** A mutable version of CTransaction. */
struct CMutableTransaction struct CMutableTransaction
{ {
bool fOverwintered; bool fOverwintered{false};
int32_t nVersion; int32_t nVersion{0};
uint32_t nVersionGroupId; uint32_t nVersionGroupId{0};
/// The consensus branch ID that this transaction commits to. /// The consensus branch ID that this transaction commits to.
/// Serialized from v5 onwards. /// Serialized from v5 onwards.
std::optional<uint32_t> nConsensusBranchId; std::optional<uint32_t> nConsensusBranchId;
std::vector<CTxIn> vin; std::vector<CTxIn> vin;
std::vector<CTxOut> vout; std::vector<CTxOut> vout;
uint32_t nLockTime; uint32_t nLockTime{0};
uint32_t nExpiryHeight; uint32_t nExpiryHeight{0};
CAmount valueBalanceSapling; CAmount valueBalanceSapling{0};
std::vector<SpendDescription> vShieldedSpend; std::vector<SpendDescription> vShieldedSpend;
std::vector<OutputDescription> vShieldedOutput; std::vector<OutputDescription> vShieldedOutput;
OrchardBundle orchardBundle; OrchardBundle orchardBundle;
@ -1023,7 +1023,7 @@ struct CMutableTransaction
template <typename Stream, typename Operation> template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action) { inline void SerializationOp(Stream& s, Operation ser_action) {
uint32_t header; uint32_t header{0};
if (ser_action.ForRead()) { if (ser_action.ForRead()) {
// When deserializing, unpack the 4 byte header to extract fOverwintered and nVersion. // When deserializing, unpack the 4 byte header to extract fOverwintered and nVersion.
READWRITE(header); READWRITE(header);