Commit Graph

122 Commits

Author SHA1 Message Date
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 4f95e2f9ec eth: calculate the correct TD, only update if better 2015-07-09 13:55:06 +03:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Péter Szilágyi d6f2c0a76f eth, eth/downloader: fix #1231, DOS vulnerability in hash queueing 2015-07-01 15:21:35 +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
Péter Szilágyi aac2b6ae4c eth: add the blocks from numbers protocol message 2015-06-30 19:00:01 +03:00
Péter Szilágyi 6fc85f1ec2 eth: clean up peer struct a bit, fix double txn bcast 2015-06-30 19:00:01 +03:00
Péter Szilágyi 2c8ed76e01 eth: start cleaning up old protocol implementation, add metrics 2015-06-30 19:00:00 +03:00
Péter Szilágyi 393d675690 cmd/geth, cmd/utils, eth: advertise both eth/60 and eth/61 2015-06-30 19:00:00 +03:00
Felix Lange 76821d167a core, eth, rpc: avoid unnecessary block header copying 2015-06-29 18:51:48 +02:00
Péter Szilágyi 4180ca7fe4 eth: fix the propagation/announce order for mined blocks 2015-06-19 10:07:37 +03:00
Péter Szilágyi 90d45f0397 eth: fix test breakage from the previous commit 2015-06-18 18:25:27 +03:00
Péter Szilágyi b91b581b80 eth, eth/fetcher: propagate after header verify, announce only on insert 2015-06-18 18:00:19 +03:00
Péter Szilágyi 629705ad53 eth: clean the block request packet handling a bit 2015-06-18 16:09:34 +03:00
Péter Szilágyi 5ec6ecc511 eth, eth/fetcher: move propagated block import into fetcher 2015-06-18 15:56:08 +03:00
Péter Szilágyi 37c5ff392f eth/fetcher: build longest chain until proven otherwise 2015-06-18 15:56:08 +03:00
Péter Szilágyi 497a7f1717 eth, eth/fetcher: define and enforce propagation boundaries 2015-06-18 15:56:08 +03:00
Péter Szilágyi 11c8f83a58 eth, eth/fetcher: cache future propagated blocks too 2015-06-18 15:56:08 +03:00
Péter Szilágyi 057bc237ad eth, eth/fetcher: use an import queue to store out of order blocks 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 fc7abd9886 eth, eth/downloader: move block processing into the downlaoder 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
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 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
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
Péter Szilágyi fdccce781e eth: fetch announced hashes from origin, periodically 2015-06-08 19:24:56 +03:00
Péter Szilágyi 6f415b96b3 eth: implement the NewBlockHashes protocol proposal 2015-06-08 18:44:02 +03:00
Péter Szilágyi 63c6cedb14 eth/downloader: cap the hash ban set, add test for it 2015-06-08 14:12:00 +03:00
obscuren e5d7627427 eth: 100% block propogation 2015-05-28 17:01:44 +02:00
Péter Szilágyi 5235e01b8d eth: hard disconnect if a peer is flaky 2015-05-27 18:58:51 +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 3c8227b935 eth: fix odd method names in peer set 2015-05-20 10:34:45 +03:00
Péter Szilágyi 5422fe5125 eth: make the peer set thread safe 2015-05-18 21:33:37 +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
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
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 8595198c1b eth/downloader: delete blocks from queue 2015-04-30 17:51:47 +02:00
obscuren 28b39267d9 core, eth: verify td of received blocks 2015-04-30 13:50:59 +02:00
obscuren 9b6e8f6195 eth, eth/downloader: remove bad peers from peer set
Peers in the eth protocol handler are now being ignored for catch up.
2015-04-30 12:38:16 +02:00
obscuren 04c209980b eth: rely on p2p to determine block propagation 2015-04-29 22:50:58 +02:00
obscuren 9e63798d03 core/types, eth: meassure and display propagation times 2015-04-29 19:55:30 +02:00
obscuren 735b029db9 core: return the index of the block that failed when inserting a chain 2015-04-29 14:00:24 +02:00
obscuren 4b7bdc3766 eth: check if downloader is busy before showing log message 2015-04-29 12:51:05 +02:00
obscuren 1681ee9883 eth: added a few informative messages regarding downloading 2015-04-24 17:03:09 +02:00
obscuren d84c2202e7 eth, eth/downloader: simplified synchronisation process 2015-04-24 15:38:10 +02:00
obscuren 31f82eb334 eth, eth/downloader: don't require td on downloader. Fixed tests 2015-04-24 15:04:58 +02:00
obscuren b86e7526e1 eth, eth/downloader: moved peer selection to protocol handler 2015-04-24 14:40:32 +02:00
obscuren 516f49c812 eth: cleanup 2015-04-23 23:30:25 +02:00
obscuren d3be1a2719 eth: moved mined, tx events to protocol-hnd and improved tx propagation
Transactions are now propagated to peers from which we have not yet
received the transaction. This will significantly reduce the chatter on
the network.

Moved new mined block handler to the protocol handler and moved
transaction handling to protocol handler.
2015-04-23 11:50:12 +02:00
obscuren 45da3e17e2 core: added chain head reset to known block 2015-04-20 12:29:02 +02:00
obscuren 8f3a7e41de Merge branch 'rlp-size-validation' of https://github.com/fjl/go-ethereum into fjl-rlp-size-validation
Conflicts:
	eth/protocol.go
2015-04-19 17:07:40 +02:00
obscuren 3d497be9bd eth: drop blocks with low TD 2015-04-19 13:31:37 +02:00
obscuren 4340996572 eth: temp 100% block propagation because of the current state of the net 2015-04-19 01:40:01 +02:00
obscuren 434dea3caf eth: removed debug messages to stdout 2015-04-19 00:03:26 +02:00
obscuren 50e096e627 downloader: don't remove peers. keep them around 2015-04-18 23:56:08 +02:00
obscuren 0d536734fe eth: adapted to new synchronous api of downloader's AddBlock 2015-04-18 18:57:59 +02:00
obscuren 60613b57d1 downloader: make sure that hashes are only accepted from the active peer 2015-04-18 17:35:03 +02:00
obscuren 8244825bbf downloader: reset the queue if a peer response with an empty hash set 2015-04-18 15:14:12 +02:00
obscuren eef4776b5b eth: ignore NewBlockMsg with lower td 2015-04-18 14:25:22 +02:00
obscuren ecc74d76cc eth: drop blocks that are known 2015-04-18 02:24:24 +02:00
obscuren cc436c4b28 eth: additional cleanups to the subprotocol, improved block propagation
* Improved block propagation by sending blocks only to peers to which, as
  far as we know, the peer does not know about.
* Made sub protocol its own manager
* SubProtocol now contains the p2p.Protocol which is used instead of
  a function-returning-protocol thing.
2015-04-18 02:21:07 +02:00
obscuren c2f410214c eth: began split up of peers and protocol manager 2015-04-18 01:11:09 +02:00