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eth/downloader: fetch the block hashes on the fly, when needed

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This commit is contained in:
Péter Szilágyi 2015-06-10 20:12:22 +03:00
parent c4af70d0cc
commit 3c1cccc801
1 changed files with 5 additions and 9 deletions
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14
eth/downloader/downloader.go
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@ -79,9 +79,9 @@ type Downloader struct {
banned *set.Set // Set of hashes we've received and banned banned *set.Set // Set of hashes we've received and banned
// Statistics // Statistics
importStart time.Time // Instance when the last blocks were taken from the cache importStart time.Time // Instance when the last blocks were taken from the cache
importQueue []common.Hash // Hashes of the previously taken blocks to check import progress importQueue []*Block // Previously taken blocks to check import progress
importDone int // Number of taken blocks already imported from the last batch importDone int // Number of taken blocks already imported from the last batch
importLock sync.Mutex importLock sync.Mutex
// Callbacks // Callbacks
@ -136,7 +136,7 @@ func (d *Downloader) Stats() (pending int, cached int, importing int, estimate t
d.importLock.Lock() d.importLock.Lock()
defer d.importLock.Unlock() defer d.importLock.Unlock()
for len(d.importQueue) > 0 && d.hasBlock(d.importQueue[0]) { for len(d.importQueue) > 0 && d.hasBlock(d.importQueue[0].RawBlock.Hash()) {
d.importQueue = d.importQueue[1:] d.importQueue = d.importQueue[1:]
d.importDone++ d.importDone++
} }
@ -229,13 +229,9 @@ func (d *Downloader) Synchronise(id string, hash common.Hash) error {
func (d *Downloader) TakeBlocks() []*Block { func (d *Downloader) TakeBlocks() []*Block {
blocks := d.queue.TakeBlocks() blocks := d.queue.TakeBlocks()
if len(blocks) > 0 { if len(blocks) > 0 {
hashes := make([]common.Hash, len(blocks))
for i, block := range blocks {
hashes[i] = block.RawBlock.Hash()
}
d.importLock.Lock() d.importLock.Lock()
d.importStart = time.Now() d.importStart = time.Now()
d.importQueue = hashes d.importQueue = blocks
d.importDone = 0 d.importDone = 0
d.importLock.Unlock() d.importLock.Unlock()
} }