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531 Commits

Author SHA1 Message Date
Péter Szilágyi aa250e228a eth: don't refetch non fitting blocks to avoid duplicates 2015-06-15 15:18:31 +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
obscuren 6d817e16c1 core, miner: tx pool drops txs below ask price 2015-06-15 11:33:08 +02:00
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 faae8b7dd8 eth: fix an accidental test compile error 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
obscuren 90c4493a10 eth, core: interupt the chain processing on stop 
Added an additional channel which is used to interupt the chain manager
when it's processing blocks.
 2015-06-12 13:41:34 +02:00
Jeffrey Wilcke 13bd452faf Merge pull request #1227 from karalabe/block-fetcher-optimisations 
eth: optimize the notification/explicit fetch mechanism
 2015-06-11 03:31:41 -07:00
Jeffrey Wilcke 979ebfc126 Merge pull request #1224 from karalabe/report-import-progress 
cmd/geth, eth/downloader: collect and report import progress too
 2015-06-10 15:30:20 -07:00
Péter Szilágyi 3c1cccc801 eth/downloader: fetch the block hashes on the fly, when needed 2015-06-10 20:12:22 +03:00
Péter Szilágyi e61db7145a eth: dedup fetches to ensure no blocks are pulled twice 2015-06-10 19:47:59 +03:00
Péter Szilágyi 355b1e3bb1 eth: randomly fetch announced block (don't hammer origin) 2015-06-10 19:47:59 +03:00
Péter Szilágyi b9affbf9fe eth: discard fetched blocks that don't fit (no goroutine) 2015-06-10 19:47:59 +03:00
obscuren 65a48f9cd8 core: fixed race condition in the transaction pool 
Removed `Stop/Start` mechanism from the transaction pool.
 2015-06-10 17:13:32 +02:00
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 73c355591f core, eth: document that result of GetTransactions is modifiable 2015-06-09 17:07:10 +02:00
Felix Lange 8dc3048f65 eth/downloader: fix hash fetch timeout handling 
Fixes #1206
 2015-06-09 17:07:10 +02:00
Felix Lange 2c24a73e25 eth: add protocol tests 
The protocol tests were commented out when eth/downloader was introduced.
 2015-06-09 17:07:10 +02:00
Felix Lange 6c73a59806 eth: limit number of sent transactions based on message size 
Nodes that are out of sync will queue many transactions, which causes
the initial transactions message to grow very large. Larger transactions
messages can make communication impossible if the message is too big to
send. Big transactions messages also exhaust egress bandwidth, which
degrades other peer connections.

The new approach to combat these issues is to send transactions in
smaller batches. This commit introduces a new goroutine that handles
delivery of all initial transaction transfers. Size-limited packs of
transactions are sent to one peer at a time, conserving precious egress
bandwidth.
 2015-06-09 17:07:10 +02:00
Felix Lange 41b2008a66 eth: limit number of sent blocks based on message size 
If blocks get larger, sending 256 at once can make messages large
enough to exceed the low-level write timeout.
 2015-06-09 17:06:31 +02:00
Péter Szilágyi d09ead546c eth: fix a data race in the hash announcement processing 2015-06-09 15:09:15 +03:00
Péter Szilágyi f86707713c eth: fix data race accessing peer.td 2015-06-09 14:56:27 +03:00
Péter Szilágyi 44147d057d eth: fix data race accessing peer.recentHash 2015-06-09 14:27:44 +03:00
Jeffrey Wilcke 05cae69d72 Merge pull request #1188 from karalabe/newblockhashes-proposal 
eth: implement the NewBlockHashes protocol proposal
 2015-06-09 04:07:46 -07:00
Jeffrey Wilcke 087949227c Merge pull request #1153 from karalabe/downloader-banned-starvation-attack 
eth/downloader: gather and ban hashes from invalid chains
 2015-06-09 03:45:41 -07:00
obscuren a5b977aa90 core: write accounts to statedb. Closes #1210 2015-06-09 11:37:01 +02:00
Péter Szilágyi 8216bb901c eth: clean up pending announce download map, polish logs 2015-06-09 00:37:10 +03:00
Péter Szilágyi 9ed166c196 eth: split and handle explicitly vs. download requested blocks 2015-06-08 20:38:39 +03:00
obscuren 6244b10a8f core: settable genesis nonce 
You can set the nonce of the block with `--genesisnonce`. When the
genesis nonce changes and it doesn't match with the first block in your
database it will fail. A new `datadir` must be given if the nonce of the
genesis block changes.
 2015-06-08 18:33:43 +02:00
Péter Szilágyi fdccce781e eth: fetch announced hashes from origin, periodically 2015-06-08 19:24:56 +03:00
Péter Szilágyi 8c012e103f eth: mark blocks as known when broadcasting hashes too 2015-06-08 18:44:02 +03:00
Péter Szilágyi 6f415b96b3 eth: implement the NewBlockHashes protocol proposal 2015-06-08 18:44:02 +03:00
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
Jeffrey Wilcke 45152dead5 Merge pull request #1181 from obscuren/txpool_fixes 
cmd: transaction pool fixes and improvements
 2015-06-04 10:47:23 -07:00
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
obscuren d09a6e5421 core, eth, miner: moved nonce management to tx pool. 
Removed the managed tx state from the chain manager to the transaction
pool where it's much easier to keep track of nonces (and manage them).
The transaction pool now also uses the queue and pending txs differently
where queued txs are now moved over to the pending queue (i.e. txs ready
for processing and propagation).
 2015-06-03 22:43:23 +02:00
Felix Lange 5197aed7db cmd/utils, eth: core.NewBlockProcessor no longer needs TxPool 2015-06-03 22:43:23 +02:00
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
Taylor Gerring 057d36b049 Update bootnode 2015-05-31 13:48:27 -05:00
obscuren e5d7627427 eth: 100% block propogation 2015-05-28 17:01:44 +02:00
Péter Szilágyi 29b0480cfb core, eth/downloader: expose the bad hashes, check in downloader 2015-05-28 14:03:10 +03:00
Péter Szilágyi 5235e01b8d eth: hard disconnect if a peer is flaky 2015-05-27 18:58:51 +03:00
Felix Lange 6a674ffea5 Merge pull request #1108 from karalabe/fine-seeding 
Fine tune seeder and p2p peer handling
 2015-05-26 22:03:11 +02:00
obscuren c37389f19c core: check negative value transactions. Closes #1109 2015-05-26 20:38:26 +02:00
Péter Szilágyi e1a0ee8fc5 cmd/geth, cmd/utils, eth, p2p: pass and honor a no discovery flag 2015-05-26 19:07:24 +03:00
Péter Szilágyi 278183c7e7 eth, p2p: start the p2p server even if maxpeers == 0 2015-05-26 17:49:37 +03:00
Péter Szilágyi 3083ec5e32 eth/downloader: silence "Added N blocks from..." if N == 0 2015-05-26 16:10:28 +03:00
Jeffrey Wilcke 245f30c59b Merge pull request #1014 from fjl/p2p-dialer-3000 
p2p: new dialer, peer management without locks
 2015-05-26 05:06:00 -07:00
Péter Szilágyi eafdc1f8e3 eth, eth/downloader: surface downloaded block origin, drop on error 2015-05-26 14:00:21 +03:00
Felix Lange 2f249fea44 eth: stop p2p.Server on shutdown 2015-05-25 01:17:14 +02:00
Jason Carver 97433f5ef1 expand acronym in log message from TD 
to total difficulty
 2015-05-22 19:12:59 -07:00
Jeffrey Wilcke f1cc3619f5 Merge pull request #1055 from ethersphere/autodag 
automatic DAG pregeneration for smooth epoch transitions
 2015-05-21 09:01:57 -07:00
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
zelig bed80133e0 automatic DAG pregeneration for smooth epoch transitions 
- backend: AutoDAG bool flag passed from cli/eth.Config to ethereum, autoDAG loop started if true
- backend: autoDAG loop start/stop, remove previous DAG
- cli: AutoDAG bool flag, off by default, but automatically ON if mining
- admin jsre: add startAutoDAG stopAutoDAG and makeDAG in miner section
- switch on/off DAG autogeneration when miner started/stopped on console
 2015-05-21 15:53:42 +01:00
obscuren 207bd55751 eth: reduced max open files for LevelDB 2015-05-21 11:45:35 +02:00
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
Jeffrey Wilcke 0300eef94d Merge pull request #1048 from ethersphere/cli-fixes 
CLI, JSRE admin and  Solc improvements
 2015-05-20 02:31:52 -07:00
Jeffrey Wilcke 6b83a0a589 Merge pull request #1050 from karalabe/handle-slow-download-tester 
eth/downloader: fix test to it doesn't time out on a slow machine
 2015-05-20 02:29:23 -07:00
Péter Szilágyi 3c8227b935 eth: fix odd method names in peer set 2015-05-20 10:34:45 +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
zelig 22b694ee1e solc now in ethereum, fixes solc path setting; setSolc() didnt work 2015-05-20 02:47:13 +01:00
Jeffrey Wilcke 46d6470c43 Merge pull request #1035 from karalabe/eth-threadsafe-peers 
eth: make the peer-set thread safe
 2015-05-19 08:50:38 -07:00
Péter Szilágyi 4755caeb2d eth: remote a superfluous peerSet method 2015-05-18 21:35:42 +03:00
Péter Szilágyi 5422fe5125 eth: make the peer set thread safe 2015-05-18 21:33:37 +03:00
obscuren c67424ecc8 core: parallelise nonce checking when processing blocks 
ChainManager now uses a parallel approach to block processing where all
nonces are checked seperatly from the block processing process. This
speeds up the process by about 3 times on my i7
 2015-05-18 13:59:22 +02:00
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
obscuren 55d85d60fd eth, cmd/geth: start mining from console respects CLI flag 2015-05-15 20:26:15 +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 9ad515d2dc eth: drop a sync peer if it sends an invalid hash chain 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 8fe01b4bfa eth: 100% tx propagation 2015-05-12 19:01:01 +02:00
Gustav Simonsson 8754f2b768 Fix common.Address / []byte type conversions 2015-05-12 17:19:39 +02:00
Gustav Simonsson da9fe951da Use common.Address type for accounts.Address 2015-05-12 17:19:39 +02:00
Jeffrey Wilcke 58d6ec689f Merge pull request #933 from bas-vk/issue928 
replaced path with platform aware filepath module
 2015-05-12 08:23:46 -07:00
Bas van Kervel b79dd188d9 replaced several path.* with filepath.* which is platform independent 2015-05-12 14:24:11 +02:00
obscuren 96d4a7d087 eth, ethdb: lower the amount of open files & improve err messages for db 
Closes #880
 2015-05-12 14:14:56 +02:00
obscuren 13f8f65a58 eth, ethdb: lower the amount of open files & improve err messages for db 
Closes #880
 2015-05-12 11:28:55 +02:00
obscuren 48bd48876c eth, eth/downloader: moved pending queue error message to debug 2015-05-11 17:27:34 +02:00
obscuren 21e52efdfe cmd/geth, miner, backend, xeth: Fixed miner threads to be settable 
Miner threads are now settable through the admin interface (closes #897)
and specify 0 CPU worker threads when eth_getWork is called (closes #916)
 2015-05-11 17:21:22 +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 a2919b5e17 core, eth, miner: improved tx removal & fatal error on db sync err 
* core: Added GasPriceChange event
* eth: When one of the DB flush methods error a fatal error log message
  is given. Hopefully this will prevent corrupted databases from
  occuring.
* miner: remove transactions with low gas price. Closes #906, #903
 2015-05-11 11:39:33 +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
obscuren cb1fa523e4 cmd/geth, cmd/mist, eth, flags: renamed loglevel to verbosity 2015-05-09 12:00:51 +02:00
Jeffrey Wilcke 0214cbe0fb Merge pull request #863 from karalabe/ordered-block-download 
eth/downloader: prioritize block fetch based on chain position, cap memo...
 2015-05-08 08:19:53 -07:00
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 4d5a719f25 cmd, eth, p2p: introduce pending peer cli arg, add tests 2015-05-07 15:30:56 +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 062fa049d0 fixed merge issue 2015-05-06 22:54:21 +02:00
Jeffrey Wilcke 24d44f35f2 Merge pull request #791 from fjl/discover-sha3-distance 
p2p/discover: sha3-based node distance
 2015-05-06 13:48:57 -07:00
Gustav Simonsson b1cc9cdc74 Integrate new ethash API and change geth makedag cmd 2015-05-05 08:24:15 +02:00
Péter Szilágyi 4accc187d5 eth, p2p: add trusted node list beside static list 2015-05-04 13:59:51 +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