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[validation] Remove unused cacheSigStore from CheckInputsFromMempoolAndCache

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CheckInputsFromMempoolAndCache() is only called in one place, and
cacheSigStore is set to true in that call site. Remove the argument
entirely.

Also improve commenting.
This commit is contained in:
John Newbery 2019-10-24 13:14:03 -04:00
parent d7134ead84
commit 0a433fc876
1 changed files with 4 additions and 3 deletions
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7
src/validation.cpp
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@ -392,7 +392,7 @@ static void UpdateMempoolForReorg(DisconnectedBlockTransactions& disconnectpool,
// Used to avoid mempool polluting consensus critical paths if CCoinsViewMempool
// were somehow broken and returning the wrong scriptPubKeys
static bool CheckInputsFromMempoolAndCache(const CTransaction& tx, CValidationState& state, const CCoinsViewCache& view, const CTxMemPool& pool,
unsigned int flags, bool cacheSigStore, PrecomputedTransactionData& txdata) EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
unsigned int flags, PrecomputedTransactionData& txdata) EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
AssertLockHeld(cs_main);
// pool.cs should be locked already, but go ahead and re-take the lock here
@ -422,7 +422,8 @@ static bool CheckInputsFromMempoolAndCache(const CTransaction& tx, CValidationSt
}
}
return CheckInputs(tx, state, view, flags, cacheSigStore, true, txdata);
// Call CheckInputs() to cache signature and script validity against current tip consensus rules.
return CheckInputs(tx, state, view, flags, /* cacheSigStore = */ true, /* cacheFullSciptStore = */ true, txdata);
}
namespace {
@ -959,7 +960,7 @@ bool MemPoolAccept::ConsensusScriptChecks(ATMPArgs& args, Workspace& ws, Precomp
// invalid blocks (using TestBlockValidity), however allowing such
// transactions into the mempool can be exploited as a DoS attack.
unsigned int currentBlockScriptVerifyFlags = GetBlockScriptFlags(::ChainActive().Tip(), chainparams.GetConsensus());
if (!CheckInputsFromMempoolAndCache(tx, state, m_view, m_pool, currentBlockScriptVerifyFlags, true, txdata)) {
if (!CheckInputsFromMempoolAndCache(tx, state, m_view, m_pool, currentBlockScriptVerifyFlags, txdata)) {
return error("%s: BUG! PLEASE REPORT THIS! CheckInputs failed against latest-block but not STANDARD flags %s, %s",
__func__, hash.ToString(), FormatStateMessage(state));
}