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Replace direct use of 0 with SetNull and IsNull

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Replace x=0 with .SetNull(),
x==0 with IsNull(), x!=0 with !IsNull().
Replace uses of uint256(0) with uint256().
This commit is contained in:
Wladimir J. van der Laan
2014-12-15 09:11:16 +01:00
parent 5d3064bc44
commit 4f1524966a
28 changed files with 68 additions and 68 deletions
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6
src/coins.cpp
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@@ -42,7 +42,7 @@ bool CCoins::Spend(uint32_t nPos)
bool CCoinsView::GetCoins(const uint256 &txid, CCoins &coins) const { return false; }
bool CCoinsView::HaveCoins(const uint256 &txid) const { return false; }
uint256 CCoinsView::GetBestBlock() const { return uint256(0); }
uint256 CCoinsView::GetBestBlock() const { return uint256(); }
bool CCoinsView::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) { return false; }
bool CCoinsView::GetStats(CCoinsStats &stats) const { return false; }
@@ -57,7 +57,7 @@ bool CCoinsViewBacked::GetStats(CCoinsStats &stats) const { return base->GetStat
CCoinsKeyHasher::CCoinsKeyHasher() : salt(GetRandHash()) {}
CCoinsViewCache::CCoinsViewCache(CCoinsView *baseIn) : CCoinsViewBacked(baseIn), hasModifier(false), hashBlock(0) { }
CCoinsViewCache::CCoinsViewCache(CCoinsView *baseIn) : CCoinsViewBacked(baseIn), hasModifier(false) { }
CCoinsViewCache::~CCoinsViewCache()
{
@@ -128,7 +128,7 @@ bool CCoinsViewCache::HaveCoins(const uint256 &txid) const {
}
uint256 CCoinsViewCache::GetBestBlock() const {
if (hashBlock == uint256(0))
if (hashBlock.IsNull())
hashBlock = base->GetBestBlock();
return hashBlock;
}