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Merge #10537: Few Minor per-utxo assert-semantics re-adds and tweak

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9417d7a33 Be much more agressive in AccessCoin docs. (Matt Corallo)
f58349ca8 Restore some assert semantics in sigop cost calculations (Matt Corallo)
3533fb4d3 Return a bool in SpendCoin to restore pre-per-utxo assert semantics (Matt Corallo)
ec1271f2b Remove useless mapNextTx lookup in CTxMemPool::TrimToSize. (Matt Corallo)

Tree-SHA512: 158a4bce063eac93e1d50709500a10a7cb1fb3271f10ed445d701852fce713e2bf0da3456088e530ab005f194ef4a2adf0c7cb23226b160cecb37a79561f29ca
This commit is contained in:
Pieter Wuille 2017-06-20 18:18:09 -07:00
commit b3eb0d6485
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5 changed files with 22 additions and 13 deletions
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7
src/validation.cpp
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@ -1125,7 +1125,8 @@ void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txund
txundo.vprevout.reserve(tx.vin.size());
for (const CTxIn &txin : tx.vin) {
txundo.vprevout.emplace_back();
inputs.SpendCoin(txin.prevout, &txundo.vprevout.back());
bool is_spent = inputs.SpendCoin(txin.prevout, &txundo.vprevout.back());
assert(is_spent);
}
}
// add outputs
@ -1370,8 +1371,8 @@ static DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex*
if (!tx.vout[o].scriptPubKey.IsUnspendable()) {
COutPoint out(hash, o);
Coin coin;
view.SpendCoin(out, &coin);
if (tx.vout[o] != coin.out) {
bool is_spent = view.SpendCoin(out, &coin);
if (!is_spent || tx.vout[o] != coin.out) {
fClean = false; // transaction output mismatch
}
}