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[validation/mempool] use Spend/AddCoin instead of UpdateCoins

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UpdateCoins is an unnecessary dependency on validation. All we need to
do is add and remove coins to check inputs. We don't need the extra
logic for checking coinbases and handling TxUndos.

Also remove the wrapper function in validation.h which constructs a
throwaway TxUndo object before calling UpdateCoins because it is now
unused.
This commit is contained in:
glozow 2021-10-04 13:01:38 +01:00
parent 09d18916af
commit 9e8d7ad5d9
3 changed files with 3 additions and 10 deletions
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6
src/validation.cpp
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@ -1240,12 +1240,6 @@ void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txund
AddCoins(inputs, tx, nHeight);
}
void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight)
{
CTxUndo txundo;
UpdateCoins(tx, inputs, txundo, nHeight);
}
bool CScriptCheck::operator()() {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
const CScriptWitness *witness = &ptxTo->vin[nIn].scriptWitness;