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Bugfix: actually use CCoinsViewMemPool

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This commit is contained in:
Pieter Wuille 2012-10-23 01:16:26 +02:00
parent c2ed184f98
commit 4afc0b5411
1 changed files with 14 additions and 2 deletions
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16
src/main.cpp
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@ -691,7 +691,13 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
if (fCheckInputs)
{
CCoinsViewCache &view = *pcoinsTip;
CCoinsView dummy;
CCoinsViewCache view(dummy);
{
LOCK(cs);
CCoinsViewMemPool viewMemPool(*pcoinsTip, *this);
view.SetBackend(viewMemPool);
// do we already have it?
if (view.HaveCoins(hash))
@ -712,6 +718,13 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
if (!tx.HaveInputs(view))
return error("CTxMemPool::accept() : inputs already spent");
// Bring the best block into scope
view.GetBestBlock();
// we have all inputs cached now, so switch back to dummy, so we don't need to keep lock on mempool
view.SetBackend(dummy);
}
// Check for non-standard pay-to-script-hash in inputs
if (!tx.AreInputsStandard(view) && !fTestNet)
return error("CTxMemPool::accept() : nonstandard transaction input");
@ -741,7 +754,6 @@ bool CTxMemPool::accept(CTransaction &tx, bool fCheckInputs,
int64 nNow = GetTime();
{
LOCK(cs);
// Use an exponentially decaying ~10-minute window:
dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
nLastTime = nNow;