Official Go implementation of the Ethereum protocol

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Felix Lange 900da3d800 eth/downloader: don't hang for spurious deliveries ... Unexpected deliveries could block indefinitely if they arrived at the right time. The fix is to ensure that the cancellation channel is always closed when the sync ends, unblocking any deliveries. Also remove the atomic check for whether a sync is currently running because it doesn't help and can be misleading. Cancelling always seems to break the tests though. The downloader spawned d.process whenever new data arrived, making it somewhat hard to track when block processing was actually done. Fix this by running d.process in a dedicated goroutine that is tied to the lifecycle of the sync. d.process gets notified of new work by the queue instead of being invoked all the time. This removes a ton of weird workaround code, including a hairy use of atomic CAS.		9 years ago
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downloader.go	eth/downloader: don't hang for spurious deliveries	9 years ago
downloader_test.go	eth/downloader: don't hang for spurious deliveries	9 years ago
events.go	all: fix license headers one more time	9 years ago
metrics.go	core, eth, trie: direct state trie synchronization	9 years ago
modes.go	core, eth, trie: fix data races and merge/review issues	9 years ago
peer.go	eth/downloader: fix dysfunctional ignore list hidden by generic set	9 years ago
queue.go	eth/downloader: don't hang for spurious deliveries	9 years ago
types.go	core, eth: roll back uncertain headers in failed fast syncs	9 years ago