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Decouple CCoins from CTxInUndo

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This commit is contained in:
jtimon
2014-10-19 02:57:02 +02:00
committed by jtimon
parent 0f2308cf7c
commit c444c620c6
3 changed files with 19 additions and 26 deletions
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17
src/main.cpp
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@@ -1383,9 +1383,20 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
if (!tx.IsCoinBase()) {
txundo.vprevout.reserve(tx.vin.size());
BOOST_FOREACH(const CTxIn &txin, tx.vin) {
txundo.vprevout.push_back(CTxInUndo());
bool ret = inputs.ModifyCoins(txin.prevout.hash)->Spend(txin.prevout, txundo.vprevout.back());
assert(ret);
CCoinsModifier coins = inputs.ModifyCoins(txin.prevout.hash);
unsigned nPos = txin.prevout.n;
if (nPos >= coins->vout.size() || coins->vout[nPos].IsNull())
assert(false);
// mark an outpoint spent, and construct undo information
txundo.vprevout.push_back(CTxInUndo(coins->vout[nPos]));
coins->Spend(nPos);
if (coins->vout.size() == 0) {
CTxInUndo& undo = txundo.vprevout.back();
undo.nHeight = coins->nHeight;
undo.fCoinBase = coins->fCoinBase;
undo.nVersion = coins->nVersion;
}
}
}