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@ -188,7 +188,17 @@ func (dl *downloadTester) sync(id string, td *big.Int, mode SyncMode) error { |
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} |
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} |
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dl.lock.RUnlock() |
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return dl.downloader.synchronise(id, hash, td, mode) |
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// Synchronise with the chosen peer and ensure proper cleanup afterwards
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err := dl.downloader.synchronise(id, hash, td, mode) |
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select { |
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case <-dl.downloader.cancelCh: |
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// Ok, downloader fully cancelled after sync cycle
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default: |
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// Downloader is still accepting packets, can block a peer up
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panic("downloader active post sync cycle") // panic will be caught by tester
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} |
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return err |
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} |
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// hasHeader checks if a header is present in the testers canonical chain.
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