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Reject unneeded pegin witness by policy

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This commit is contained in:
Gregory Sanders 2019-03-22 17:17:11 -04:00
parent 97356e8c14
commit 8140a87dec
1 changed files with 12 additions and 0 deletions
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12
src/validation.cpp
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@ -668,6 +668,18 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
CCoinsViewMemPool viewMemPool(pcoinsTip.get(), pool);
view.SetBackend(viewMemPool);
// Quickly check for peg-in witness data on non-peg-in inputs
for (size_t input_index = 0; input_index < tx.vin.size(); ++input_index) {
if (!tx.vin[input_index].m_is_pegin) {
// Check that the corresponding pegin witness is empty
// Note that the witness vector must be size 0 or len(vin)
if (!tx.witness.vtxinwit.empty() &&
!tx.witness.vtxinwit[input_index].m_pegin_witness.IsNull()) {
return state.Invalid(false, REJECT_PEGIN, "extra-pegin-witness");
}
}
}
// do all inputs exist?
for (const CTxIn& txin : tx.vin) {
// ELEMENTS: