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293 Commits

Author SHA1 Message Date
Péter Szilágyi
b40dc8a1da eth/downloader: implement concurrent header downloads 2016-05-17 10:03:34 +03:00
Péter Szilágyi
39ce85cf5d eth/downloader: bound fork ancestry and allow heavy short forks 2016-05-13 12:12:13 +02:00
Felix Lange
a40e61b4ac rpc: remove NotifierContextKey 
Context keys must have a unique type in order to prevent
any unintented clashes. The code used int(1) as key.

Fix it by implementing the pattern recommended by package context.
 2016-04-15 18:10:52 +02:00
Felix Lange
6fdd0893c3 all: fix go vet warnings 2016-04-15 11:17:27 +02:00
Felix Lange
d04a2e7557 all: update license information 2016-04-15 09:48:05 +02:00
Bas van Kervel
f7328c5ecb rpc: add pub/sub support 2016-04-01 18:26:35 +02:00
Leif Jurvetson
434e4b31d8 core, eth: replace reorganiz with reorganis 2016-03-15 12:03:17 -07:00
Leif Jurvetson
bbbe2360d0 eth: various typos 2016-03-15 11:27:49 -07:00
Péter Szilágyi
e3f2b541f2 eth/downloader: fix a throughput estimation data race 2016-03-10 12:58:46 +02:00
Péter Szilágyi
64ee5763ee eth/downloader: fix premature exit before notifying all part fetchers 2016-02-29 14:22:28 +02:00
Felix Lange
26e72b2ccd eth/downloader: fix header download limiting 
Fixes #2201
 2016-02-26 15:24:51 +01:00
Péter Szilágyi
66b148dd8f Merge pull request #2251 from karalabe/increase-downlaoder-queue 
eth/downloader: bump the download queue size to prevent starvation
 2016-02-24 15:55:21 +02:00
Jeffrey Wilcke
483feb0d3f Merge pull request #2242 from jimenezrick/upstream-crypto 
Closes #2241: Use Keccak-256 from golang.org/x/crypto/sha3 and mention explicitly
 2016-02-24 12:57:57 +01:00
Péter Szilágyi
93c0012000 eth/downloader: bump the download queue size to prevent starvation 2016-02-23 13:12:11 +02:00
Ricardo Catalinas Jiménez
436fc8d76a all: Rename crypto.Sha3{,Hash}() to crypto.Keccak256{,Hash}() 
As we aren't really using the standarized SHA-3
 2016-02-21 22:34:34 +00:00
Péter Szilágyi
216729009b eth/downloader: fix partial rollback and ancestor lookup 2016-02-19 11:17:02 +02:00
Péter Szilágyi
59cd60b266 eth, eth/downloader, jsre: surface state sync progress through the API 2016-02-10 14:30:41 +02:00
Péter Szilágyi
f1ec226d80 eth/downloader: raise pending state limit that prevented concurrency 2016-02-08 14:57:02 +02:00
Bas van Kervel
19b2640e89 rpc: migrated the RPC insterface to a new reflection based RPC layer 2016-01-26 13:51:50 +01:00
Péter Szilágyi
9e011ff1cd core, eth/downloader: ensure state presence in ancestor lookup 2016-01-04 16:27:23 +02:00
Péter Szilágyi
1f39746886 eth/downloader: throttling tests are time-sensitive, don't run parallel 2015-12-30 14:42:21 +02:00
Felix Lange
9be5d5cd90 eth/downloader: fix negative balance issue in tests 
The test chain generated by makeChainFork included invalid uncle
headers, crashing the generator during the state commit.

The headers were invalid because they used the iteration counter as the
block number, even though makeChainFork uses a block with number > 0 as
the parent. Fix this by introducing BlockGen.Number, which allows
accessing the actual number of the block being generated.
 2015-12-18 12:09:10 +01:00
Bas van Kervel
eae81465c1 rpc: new RPC implementation with pub/sub support 2015-12-14 16:34:05 +01:00
Péter Szilágyi
b6f5523bdc eth/downloader: fetch data proportionally to peer capacity 2015-11-19 17:01:39 +02:00
Felix Lange
dd09af27af eth/downloader: run tests in parallel 2015-11-19 14:18:35 +01:00
Felix Lange
b7b62d4b3c eth/downloader: also drain stateCh, receiptCh in eth/61 mode 
State and receipt deliveries from a previous eth/62+ sync can hang if
the downloader has moved on to syncing with eth/61. Fix this by also
draining the eth/63 channels while waiting for eth/61 data.

A nicer solution would be to take care of the channels in a central
place, but that would involve a major rewrite.
 2015-11-19 14:18:35 +01:00
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.
 2015-11-19 14:18:34 +01:00
Péter Szilágyi
b658a73ed5 eth/downloader: fix dysfunctional ignore list hidden by generic set 2015-11-04 13:11:52 +02:00
Péter Szilágyi
2019ed71b4 eth: don't block sync goroutines that short circuit 2015-10-28 16:41:01 +02:00
Péter Szilágyi
5b0ee8ec30 core, eth, trie: fix data races and merge/review issues 2015-10-21 16:49:55 +03:00
Péter Szilágyi
aa0538db0b eth: clean out light node notions from eth 2015-10-19 10:03:10 +03:00
Péter Szilágyi
a9d8dfc8e7 core, eth: roll back uncertain headers in failed fast syncs 2015-10-19 10:03:10 +03:00
Péter Szilágyi
b97e34a8e4 eth/downloader: concurrent receipt and state processing 2015-10-19 10:03:10 +03:00
Péter Szilágyi
ab27bee25a core, eth, trie: direct state trie synchronization 2015-10-19 10:03:09 +03:00
Péter Szilágyi
832b37c822 core, eth: receipt chain reconstruction 2015-10-19 10:03:09 +03:00
Péter Szilágyi
f186b39018 eth/downloader: add fast and light sync strategies 2015-10-19 10:03:09 +03:00
Péter Szilágyi
47f62a67aa eth/downloader: match capabilities when querying idle peers 2015-10-02 13:20:41 +03:00
Péter Szilágyi
f459a3f0ae eth/downloader: always send termination wakes, clean leftover 2015-09-23 12:39:17 +03:00
Péter Szilágyi
99b62f36b6 eth/downloader: header-chain order and ancestry check 2015-09-15 14:45:53 +03:00
Péter Szilágyi
0a7d059b6a eth, rpc: standardize the chain sync progress counters 2015-09-15 14:45:53 +03:00
Péter Szilágyi
cdc2662c40 core: split out TD from database and all internals 2015-09-11 17:42:25 +03:00
Péter Szilágyi
1f1d73ab74 eth/downloader: fix race causing occasional test failure 2015-09-01 16:11:14 +03:00
Péter Szilágyi
17f65cd1e5 eth: update metrics collection to handle eth/62 algos 2015-08-25 17:48:47 +03:00
Péter Szilágyi
47a7fe5d22 eth: port the synchronisation algo to eth/62 2015-08-25 17:48:47 +03:00
Péter Szilágyi
ca88e18f59 eth: kill off protocol eth/60 in preparation for eth/62 2015-08-24 17:57:28 +03:00
Péter Szilágyi
42f44dda54 eth, eth/downloader: handle header requests, table driven proto tests 2015-08-24 17:57:28 +03:00
Péter Szilágyi
c51e153b5c eth, metrics, p2p: prepare metrics and net packets to eth/62 2015-08-21 10:30:57 +03:00
Péter Szilágyi
6adbaabc65 eth, eth/downloader: don't report stall if fetcher filled the block 2015-07-29 15:39:08 +03:00
Felix Lange
bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange
3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Péter Szilágyi
492d5454b1 eth/downloader: drop peer if advertised TD but won't delvier 2015-07-09 14:40:18 +03:00
Felix Lange
ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Péter Szilágyi
f857fb7600 eth/downloader: fix a rare test race on the OSX CI 2015-07-03 13:01:22 +03:00
Péter Szilágyi
d6f2c0a76f eth, eth/downloader: fix #1231, DOS vulnerability in hash queueing 2015-07-01 15:21:35 +03:00
Péter Szilágyi
60454da650 eth/downloader: reduce hash fetches in prep for eth/61 2015-07-01 01:20:49 +03:00
Péter Szilágyi
f43c07cb3c eth, eth/downloader: transition to eth 61 2015-06-30 19:05:06 +03:00
Péter Szilágyi
af51dc4d63 eth, eth/downloader: pass the eth protocol version through 2015-06-30 19:00:01 +03:00
Felix Lange
e0e5f74776 eth/downloader, eth/fetcher: use core.GenerateChain in tests 
TestMadeupParentBlockChainAttack has been deleted because it was too
hard to port and the attack that it checks the prevention of is being
averted in a different way (through a protocol change).
 2015-06-29 18:51:47 +02:00
Felix Lange
1d42888d30 core/types: make blocks immutable 2015-06-29 18:51:47 +02:00
Péter Szilágyi
5ec6ecc511 eth, eth/fetcher: move propagated block import into fetcher 2015-06-18 15:56:08 +03:00
Péter Szilágyi
2a1b722d04 eth/fetcher: fix timer reset bug, add initial tests 2015-06-18 15:56:07 +03:00
Péter Szilágyi
7c2af1c117 eth, eth/fetcher: separate notification sync mechanism 2015-06-18 15:56:07 +03:00
Péter Szilágyi
4365668462 eth/downloader: extend slow test to fix even slower CI server... 2015-06-18 00:42:02 +03:00
Péter Szilágyi
55dd8fd621 eth/downloader: always reenter processing if not exiting 2015-06-18 00:26:54 +03:00
Péter Szilágyi
2f4cbe22f5 eth, eth/downloader: fix processing interrupt caused by temp cancel 2015-06-18 00:04:57 +03:00
Péter Szilágyi
4a1e82cf3f eth/downloader: fix #1280, overlapping (good/bad) delivery hang 2015-06-17 12:03:16 +03:00
Péter Szilágyi
cf7c44a7f6 eth/downloader: detailed comment for the race corner case 2015-06-15 15:18:04 +03:00
Péter Szilágyi
9c03c374e3 eth/downloader: fix import statistic reset, fetch hashes async 2015-06-15 13:05:01 +03:00
Péter Szilágyi
b240983e2b eth, eth/downloader: do async block fetches, add dl tests 2015-06-15 12:26:05 +03:00
Péter Szilágyi
30a9939388 eth/downloader: sanity test for multi peer syncs 2015-06-15 09:22:37 +03:00
Péter Szilágyi
fc7abd9886 eth, eth/downloader: move block processing into the downlaoder 2015-06-15 09:22:37 +03:00
Péter Szilágyi
0fc71877a7 eth/downloader: add valid peer during attacks (check interference) 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
2dd6a62f67 eth/downloader: support individual peers in the test suite 2015-06-15 09:22:36 +03:00
Péter Szilágyi
2937903299 eth/downloader: remove uneeded testing functions 2015-06-15 09:22:36 +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
4ed3509a02 eth/downloader: test registration rejection on head ban 2015-06-08 15:02:52 +03:00
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
4b2dd44711 eth/downloader: fix throttling test to be less timing dependent 2015-06-08 13:23:58 +03:00
Péter Szilágyi
2d627995cf eth/downloader: fix another rebase error 2015-06-08 13:23:58 +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
9da0232eef eth/downloader: update test for shitty travis 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
d754c25cc8 eth/downloader: drop log entry from peer, it's covered already 2015-06-04 16:22:55 +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
3ec159ab6b eth/downloader: demote peers if they exceed the soft limits at 1 blocks already 2015-06-03 15:43:12 +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
Jeffrey Wilcke
af28736bd0 Merge pull request #1064 from karalabe/downloader-attacks 
Fix two additional download vulnerabilities
 2015-05-21 09:00:12 -07:00
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
Péter Szilágyi
6f54eb6d9a eth/downloader: fix test to it doesn't time out on a slow machine 2015-05-20 10:15:42 +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
Jeffrey Wilcke
82c0780f81 Merge pull request #996 from karalabe/fix-potential-crosscheck-race 
eth/downloader: circumvent download race between crosscheck and hashes
 2015-05-15 11:23:44 -07:00
Péter Szilágyi
412cf98bbc eth/downloader: fix #992, where tests may time out on a slow machine 2015-05-15 21:16:42 +03:00
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
cfb2b51b74 eth/downloader: fixed test 2015-05-15 12:47:32 +02:00
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
fe87feccb1 eth/downloader: add a small additional check to the test 2015-05-14 15:44:54 +03:00
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
Péter Szilágyi
d2d5dbc6fb eth/downloader: fix active peer shadowing, polish func names 2015-05-13 13:13:43 +03:00
obscuren
48bd48876c eth, eth/downloader: moved pending queue error message to debug 2015-05-11 17:27:34 +02:00
Péter Szilágyi
064cf16099 eth/downloader: use count instead of peers, clearer 2015-05-11 17:21:22 +02:00
Péter Szilágyi
d37a2559b9 eth/downloader: revert to demotion, use harsher penalty 2015-05-11 17:21:22 +02:00
Péter Szilágyi
70c65835f4 eth/downloader: fix #910, thread safe peers & polishes 2015-05-11 17:21:22 +02:00
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
edad47bf0e eth/downloader: fix leftover state between syncs 2015-05-08 17:39:03 +03:00
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
45f8304f3c eth/downloader: fix expiration not running while fetching 2015-05-07 12:59:19 +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
f2a2b2ac70 eth/downloader: put back hashes on block overflow error 2015-05-03 14:11:00 +02:00
obscuren
493181ea09 eth/downloader: changed has to blockHashes for chain linking 2015-05-03 14:10:31 +02:00