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policy: stop 3rd party wtxid malleability of anchor spend

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This commit is contained in:
Greg Sanders 2023-11-03 09:21:48 -04:00
parent b60aaf8b23
commit 9d89209937
1 changed files with 5 additions and 0 deletions
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5
src/policy/policy.cpp
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@ -225,6 +225,11 @@ bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
// get the scriptPubKey corresponding to this input: // get the scriptPubKey corresponding to this input:
CScript prevScript = prev.scriptPubKey; CScript prevScript = prev.scriptPubKey;
// witness stuffing detected
if (prevScript.IsPayToAnchor()) {
return false;
}
bool p2sh = false; bool p2sh = false;
if (prevScript.IsPayToScriptHash()) { if (prevScript.IsPayToScriptHash()) {
std::vector <std::vector<unsigned char> > stack; std::vector <std::vector<unsigned char> > stack;