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Merge pull request #3163 from sipa/allunspendable

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Generalize the remove-outputs check for fully-prunable transactions.
This commit is contained in:
Gregory Maxwell 2013-10-28 08:34:42 -07:00
commit 377cd74930
2 changed files with 9 additions and 6 deletions
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3
src/core.h
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@ -421,6 +421,9 @@ public:
// equality test // equality test
friend bool operator==(const CCoins &a, const CCoins &b) { friend bool operator==(const CCoins &a, const CCoins &b) {
// Empty CCoins objects are always equal.
if (a.IsPruned() && b.IsPruned())
return true;
return a.fCoinBase == b.fCoinBase && return a.fCoinBase == b.fCoinBase &&
a.nHeight == b.nHeight && a.nHeight == b.nHeight &&
a.nVersion == b.nVersion && a.nVersion == b.nVersion &&

12
src/main.cpp
View File

@ -1750,12 +1750,12 @@ bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex
const CTransaction &tx = block.vtx[i]; const CTransaction &tx = block.vtx[i];
uint256 hash = tx.GetHash(); uint256 hash = tx.GetHash();
// check that all outputs are available // Check that all outputs are available and match the outputs in the block itself
if (!view.HaveCoins(hash)) { // exactly. Note that transactions with only provably unspendable outputs won't
fClean = fClean && error("DisconnectBlock() : outputs still spent? database corrupted"); // have outputs available even in the block itself, so we handle that case
view.SetCoins(hash, CCoins()); // specially with outsEmpty.
} CCoins outsEmpty;
CCoins &outs = view.GetCoins(hash); CCoins &outs = view.HaveCoins(hash) ? view.GetCoins(hash) : outsEmpty;
outs.ClearUnspendable(); outs.ClearUnspendable();
CCoins outsBlock = CCoins(tx, pindex->nHeight); CCoins outsBlock = CCoins(tx, pindex->nHeight);