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Mark CheckTxInputs [[nodiscard]] (out-param txfee only set if call is successful). Avoid UUM in fuzzing harness coins_view.

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practicalswift 2021-05-25 21:09:09 +00:00
parent 8600934018
commit 37371268d1
2 changed files with 4 additions and 3 deletions
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2
src/consensus/tx_verify.h
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@ -24,7 +24,7 @@ namespace Consensus {
* @param[out] txfee Set to the transaction fee if successful.
* Preconditions: tx.IsCoinBase() is false.
*/
bool CheckTxInputs(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee);
[[nodiscard]] bool CheckTxInputs(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee);
} // namespace Consensus
/** Auxiliary functions for transaction validation (ideally should not be exposed) */

5
src/test/fuzz/coins_view.cpp
View file

@ -236,8 +236,9 @@ FUZZ_TARGET_INIT(coins_view, initialize_coins_view)
// It is not allowed to call CheckTxInputs if CheckTransaction failed
return;
}
(void)Consensus::CheckTxInputs(transaction, state, coins_view_cache, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, std::numeric_limits<int>::max()), tx_fee_out);
assert(MoneyRange(tx_fee_out));
if (Consensus::CheckTxInputs(transaction, state, coins_view_cache, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, std::numeric_limits<int>::max()), tx_fee_out)) {
assert(MoneyRange(tx_fee_out));
}
},
[&] {
const CTransaction transaction{random_mutable_transaction};