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fetcher: reuse variables for hash and number

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Smilenator 2018-05-28 15:50:37 +03:00 committed by GitHub
parent ccc0debb63
commit fe6c5d2fe3
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1 changed files with 4 additions and 4 deletions
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8
eth/fetcher/fetcher.go
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@ -292,20 +292,20 @@ func (f *Fetcher) loop() {
height := f.chainHeight() height := f.chainHeight()
for !f.queue.Empty() { for !f.queue.Empty() {
op := f.queue.PopItem().(*inject) op := f.queue.PopItem().(*inject)
hash := op.block.Hash()
if f.queueChangeHook != nil { if f.queueChangeHook != nil {
f.queueChangeHook(op.block.Hash(), false) f.queueChangeHook(hash, false)
} }
// If too high up the chain or phase, continue later // If too high up the chain or phase, continue later
number := op.block.NumberU64() number := op.block.NumberU64()
if number > height+1 { if number > height+1 {
f.queue.Push(op, -float32(op.block.NumberU64())) f.queue.Push(op, -float32(number))
if f.queueChangeHook != nil { if f.queueChangeHook != nil {
f.queueChangeHook(op.block.Hash(), true) f.queueChangeHook(hash, true)
} }
break break
} }
// Otherwise if fresh and still unknown, try and import // Otherwise if fresh and still unknown, try and import
hash := op.block.Hash()
if number+maxUncleDist < height || f.getBlock(hash) != nil { if number+maxUncleDist < height || f.getBlock(hash) != nil {
f.forgetBlock(hash) f.forgetBlock(hash)
continue continue