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100 Commits

Author SHA1 Message Date
Péter Szilágyi fc7abd9886 eth, eth/downloader: move block processing into the downlaoder 2015-06-15 09:22:37 +03:00
Péter Szilágyi 80833f8137 eth/downloader: instreument and test the sync peer drop 2015-06-15 09:22:37 +03:00
Péter Szilágyi 66d3dc8690 eth, eth/downloader: move peer removal into downloader 2015-06-15 09:22:36 +03:00
Péter Szilágyi 3c1cccc801 eth/downloader: fetch the block hashes on the fly, when needed 2015-06-10 20:12:22 +03:00
Péter Szilágyi 271fb20ecb cmd/geth, eth/downloader: rough guess at the import eta 2015-06-10 18:01:05 +03:00
Péter Szilágyi b3d5ce7d48 cmd/geth, eth/downloader: collect and report import progress too 2015-06-10 01:20:35 +03:00
Felix Lange 8dc3048f65 eth/downloader: fix hash fetch timeout handling 
Fixes #1206
 2015-06-09 17:07:10 +02:00
Péter Szilágyi c4f224932f eth/downloader: reject peer registration if head is banned 2015-06-08 14:46:31 +03:00
Péter Szilágyi 63c6cedb14 eth/downloader: cap the hash ban set, add test for it 2015-06-08 14:12:00 +03:00
Péter Szilágyi b40c796ff7 eth/downloader: preallocate the block cache 2015-06-08 13:23:58 +03:00
Péter Szilágyi 1d7bf3d39f eth/downloader: fix merge compile error 2015-06-08 13:23:58 +03:00
Péter Szilágyi 6d497f61c6 eth/downloader: don't block hash deliveries while pulling blocks 2015-06-08 13:23:58 +03:00
Péter Szilágyi 0275fcb3d3 eth/downloader: clean up and simplify the code a bit 2015-06-08 13:23:58 +03:00
Péter Szilágyi abdfcda4dd eth/downloader: short circuit sync if head hash is banned 2015-06-08 13:23:58 +03:00
Péter Szilágyi 84bc93d8cb eth/downloader: accumulating hash bans for reconnecting attackers 2015-06-08 13:23:58 +03:00
Péter Szilágyi eedb25b22a eth/downloader: clean up tests and unused variables 2015-06-08 13:23:57 +03:00
Jeffrey Wilcke b94a76d17e Merge pull request #1189 from karalabe/downloader-polishes 
eth/downloader: handle timeouts more gracefully
 2015-06-05 08:31:57 -07:00
Péter Szilágyi 94e525ae12 eth, eth/downloader: fix #1098, elevate empty hash errors to peer drops 2015-06-05 12:52:48 +03:00
Péter Szilágyi 328ef60b85 eth/downloader: differentiate stale and nonexistent deliveries 2015-06-05 12:37:48 +03:00
Péter Szilágyi 94e4aa6ea9 eth/downloader: log hard timeouts and reset capacity 2015-06-05 11:53:46 +03:00
Péter Szilágyi 24cca2f18d eth/downloader: log after state updates, easier to debug 2015-06-04 15:10:43 +03:00
Péter Szilágyi 28c32d1b1b eth/downloader: fix #1178, don't request blocks beyond the cache bounds 2015-06-04 14:51:14 +03:00
Péter Szilágyi c9a546c310 eth/downloader: add a basic block download congestion control 2015-06-03 14:40:11 +03:00
Péter Szilágyi 29b0480cfb core, eth/downloader: expose the bad hashes, check in downloader 2015-05-28 14:03:10 +03:00
Péter Szilágyi 3083ec5e32 eth/downloader: silence "Added N blocks from..." if N == 0 2015-05-26 16:10:28 +03:00
Péter Szilágyi eafdc1f8e3 eth, eth/downloader: surface downloaded block origin, drop on error 2015-05-26 14:00:21 +03:00
Péter Szilágyi 06a041589f eth, eth/downloader: remove duplicate consts, bump hash fetch to 2K 2015-05-21 18:16:04 +03:00
Péter Szilágyi 52db6d8be5 eth/downloader: circumvent a forged block chain with known parent attack 2015-05-21 08:37:27 +03:00
Péter Szilágyi e8b22b9253 eth/downloader: prevent a peer from dripping bad hashes 2015-05-21 08:07:58 +03:00
obscuren c2ef8682fe eth/downloader: moved start event 
Start event has moved because it could possibly could stall the miner
 2015-05-16 13:02:30 +02:00
Péter Szilágyi f3ae8f50a5 eth/downloader: circumvent download race between crosscheck and hashes 2015-05-15 20:54:10 +03:00
Péter Szilágyi 4f0d88cb02 eth/downloader: fix cancel channel double close 2015-05-15 19:43:42 +03:00
Péter Szilágyi 5c1a7b965c eth/downloader: circumvent a fake blockchain attack 2015-05-15 15:04:15 +03:00
Péter Szilágyi b517967f86 eth/downloader: don't penalize for stale cross checks 2015-05-15 15:03:08 +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 b71091e337 eth, eth/downloader, miner: use download events to check miner start 2015-05-15 00:43:10 +02:00
Jeffrey Wilcke 060a07cf69 Merge pull request #974 from karalabe/downloader-fix-unknown-parent-attack 
eth, eth/downloader: handle a potential unknown parent attack
 2015-05-14 08:16:30 -07:00
Péter Szilágyi ebf1eb9359 eth/downloader: remove a previous leftover 2015-05-14 15:40:28 +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
Jeffrey Wilcke 2b06fe3eff Merge pull request #950 from karalabe/downloader-cancel-sync 
eth/downloader: fix deliveries to check for sync cancels
 2015-05-14 04:05:13 -07:00
Péter Szilágyi 910a6d4e46 eth/downloader: fix nil panic caused by wrong variable use 2015-05-13 17:25:01 +03:00
Péter Szilágyi de3a71cafd eth/downloader: remove a redundant sync progress check 2015-05-13 16:56:01 +03:00
Péter Szilágyi 48ee0777a5 eth/downloader: add a user sync notificaton 2015-05-13 16:03:05 +03:00
Péter Szilágyi ec57aa64cd eth/downloader: sync the cancel channel during cancel too 2015-05-13 14:01:08 +03:00
Péter Szilágyi ee0c892303 eth/downloader: fix deliveries to check for sync cancels 2015-05-13 13:47:21 +03:00