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quorum
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5,460 Commits 22 Branches 24 Tags 156 MiB
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27 Commits

Author SHA1 Message Date
Péter Szilágyi 5c1a7b965c eth/downloader: circumvent a fake blockchain attack 2015-05-15 15:04:15 +03:00
Péter Szilágyi 83226762c2 eth, eth/downloader: detect and handle madeup hash attacks 2015-05-15 15:01:58 +03:00
Péter Szilágyi 72411eb24c eth/downloader: circumvent hash reordering attacks 2015-05-15 15:01:58 +03:00
Péter Szilágyi bcc2980179 eth/downloader: check sync after failed attacks 2015-05-15 15:01:58 +03:00
Péter Szilágyi 366e9627e8 eth/downloader: add a test for detecting missing blocks 2015-05-15 15:01:58 +03:00
Péter Szilágyi cd2fb09051 eth, eth/downloader: prevent hash repeater attack 2015-05-15 15:01:58 +03:00
obscuren cfb2b51b74 eth/downloader: fixed test 2015-05-15 12:47:32 +02:00
Péter Szilágyi fe87feccb1 eth/downloader: add a small additional check to the test 2015-05-14 15:44:54 +03:00
Péter Szilágyi 3eda70c64c eth, eth/downloader: remove parent verification from the downlaoder 2015-05-14 15:38:49 +03:00
Péter Szilágyi a4246c2da6 eth, eth/downloader: handle a potential unknown parent attack 2015-05-14 15:24:18 +03:00
Péter Szilágyi d2d5dbc6fb eth/downloader: fix active peer shadowing, polish func names 2015-05-13 13:13:43 +03:00
Péter Szilágyi 685862d2ce eth/downloader: fix #910, thread safe peers & polishes 2015-05-11 14:26:20 +03:00
obscuren 05715f27cf eth: added a cancel method for the downloader 
Added a cancel method to the downloader which gracefully shuts down any
active syncing process (hash fetching or block downloading) and resets
the queue and remove any pending blocks.

Issue with the downloader which would stall because of an active ongoing
process when an invalid block was found.
 2015-05-10 00:34:07 +02:00
Péter Szilágyi bd5720f480 eth, eth/downloader: handle sync errors a bit more gracefully 2015-05-08 15:22:48 +03:00
Péter Szilágyi 9d188f73b5 eth, eth/downloader: make synchronize thread safe 2015-05-07 21:07:20 +03:00
Péter Szilágyi 43901c9282 eth/downloader: fix priority queue reset, add throttling test 2015-05-07 14:40:50 +03:00
Péter Szilágyi 4800c94392 eth/downloader: prioritize block fetch based on chain position, cap memory use 2015-05-07 10:57:34 +03:00
obscuren 1470b22e90 downloader: hash downloading recovery 
If a peer fails to respond (disconnect, etc) during hash downloading
switch to a different peer which has it's current_hash in the queue's
peer set.
 2015-05-03 16:27:03 +02:00
obscuren 25bc88113f eth/downloader: added additional tests 2015-05-03 14:09:33 +02:00
obscuren 016f152b36 eth, eth/downloader: Moved block processing & graceful shutdown 
The downloader is no longer responsible for processing blocks. The
eth-protocol handler now takes care of this instead.

Added graceful shutdown during block processing. Closes #846
 2015-05-01 15:58:44 +02:00
obscuren c930045834 core: fixed tetst to reflect (int, error) return by insertChain 2015-04-29 15:27:04 +02:00
obscuren a9e4b96573 eth/downloader: fixed tests 2015-04-24 15:56:18 +02:00
obscuren 31f82eb334 eth, eth/downloader: don't require td on downloader. Fixed tests 2015-04-24 15:04:58 +02:00
obscuren ed07ffcde5 downloader: fixed tests with low ttl 2015-04-19 17:37:01 +02:00
obscuren c58918c84a downloader: moved chunk ignoring. Fixes issue with catching up 2015-04-19 13:30:34 +02:00
obscuren a8a2b2a488 downloader: added missing blocks catchup functionality 
When a parent is missing in the block list an attempt should be made to
fetch the missing parent and grandparents.
 2015-04-13 16:38:32 +02:00
obscuren acf8452c33 downloader: implemented new downloader 2015-04-12 12:38:25 +02:00