Commit Graph

46 Commits

Author SHA1 Message Date
Neil Booth
75feac5d1e Check prior header hashes to detect forks 2017-07-30 21:32:41 +09:00
Neil Booth
4cc3720589 Disable IRC for bitcoin mainnet
Only require IRC_CHANNEL if IRC_PREFIX is given.
2017-06-07 23:47:17 +09:00
Neil Booth
e9acb685ab Display hosts in diagnostic 2017-04-09 14:32:45 +09:00
Neil Booth
8a2821d542 Reject invalid hostnames in Env 2017-04-09 14:15:10 +09:00
Neil Booth
b6d8b86dd6 Ignore hosts not appearing in their own features 2017-04-09 14:02:32 +09:00
Neil Booth
f3de91180e Add tests for server/env.py 2017-04-06 07:27:48 +09:00
Neil Booth
2c43e89b05 Only set last_good if successfully verified
Rename last_connect to last_good
2017-04-03 21:37:51 +09:00
Neil Booth
7b17d99c5a Put log on one line 2017-04-03 20:10:42 +09:00
Neil Booth
9f27ea875c Fix peer replacement logic
- drop the IP address peer
- update the remaining peer with fresh info
2017-04-03 20:07:46 +09:00
Neil Booth
2656fd78a4 Clarify that we may not have a clearnet peer 2017-04-02 21:25:02 +09:00
Neil Booth
a94d320e5d New feature: force peer discovery via proxy
Set FORCE_PROXY to non-empty to force peer discovery to go
through the proxy.  See docs/ENVIRONMENT.rst

Wait for an attempt at proxy discovery to be made before beginning
peer discovery.
2017-04-02 15:06:29 +09:00
Neil Booth
77a441ad06 Improve proxy handling
Have a background proxy detection loop; removes need to check
specific peers at startup.
Consider proxy down once attempts to use it fail 3 times in a row.
Regularly attempt to rediscover a proxy if it is down.
2017-04-02 14:27:49 +09:00
Neil Booth
81e6577838 Catch address resolution failure exceptions 2017-04-01 22:55:16 +09:00
Neil Booth
8e00affc1a Fix the diagnostic looping in PeerSession
Fixes #160
2017-03-28 11:14:50 +09:00
Neil Booth
23a408c572 More logging 2017-03-27 13:04:59 +09:00
Neil Booth
2650459012 Peer discovery fixes
Change last_connect to mean last connection as its name implies,
not last connection that wasn't bad.
Keep bad peers around for 3 tries.

Improve diagnostic
2017-03-26 11:42:23 +09:00
Neil Booth
79bce5335e Fix missing self 2017-03-25 20:52:26 +09:00
Neil Booth
3236989165 Fix bad peer looping
JWU42 pointed out an issue where peer discovery could get in a
failure loop for bad peers; this fixes the the root cause and
the immediate retries
2017-03-25 20:22:38 +09:00
Neil Booth
f04ff6f5b3 Don't add_peer to ourself 2017-03-25 13:28:42 +09:00
Neil Booth
8236aaf234 Be more strict on form of features dictionary 2017-03-25 13:28:42 +09:00
Neil Booth
be5397a853 Validate hostnames before accepting a new peer
Don't retain non-public addresses

Closes #157
2017-03-25 11:58:54 +09:00
Neil Booth
7a2f29aabe Be stricter accepting add_peer requests
- rate-limit onion add_peer requests
- for clearnet peers only accept if the peer resolves to the
  source address
2017-03-25 11:36:14 +09:00
Neil Booth
060d32211f Check height for all peers
Closes #152
2017-03-25 11:35:54 +09:00
Neil Booth
d198b95798 Reduce new peers per source limit to 2 by default 2017-03-25 11:35:54 +09:00
Neil Booth
30bb832ef8 Prepare 1.0 2017-03-05 13:22:09 +09:00
Neil Booth
27f94cfb04 Take up to 2 peers randomly from each bucket
Bumped up from 1.
Restore STALE_SECS to 1 day
2017-03-01 20:20:30 +09:00
Neil Booth
39bcdb1b6a Require Python 3.5.3
3.5.2 has various socket and API issues affecting peer discovery

Closes #135
2017-03-01 07:23:11 +09:00
Neil Booth
be9d063457 Rename function 2017-03-01 06:44:38 +09:00
Neil Booth
31b978f21e Remove debug logging and peers semaphore.
Increase STALE_SECS to 4 hrs.  Will revert to 1 day soon.
2017-02-28 07:27:36 +09:00
Neil Booth
ddbc13653f Merge branch 'develop' 2017-02-27 19:20:04 +09:00
Neil Booth
2c1481859f More verbose peer logging
Force more reconnects.  Restrict semaphore to 2.
2017-02-27 19:15:07 +09:00
Neil Booth
e2d640dcb3 Don't announce self if not public
Show all hosts add_peer gives
2017-02-26 15:26:11 +09:00
Neil Booth
0145098165 Add debug output
Idea is to help understand #135
2017-02-26 10:42:32 +09:00
Neil Booth
d36d222489 Maintain more than one self-identity
Rather than just retaining our clearnet identity from the environment,
maintain any tor one as well.  This is a little cleaner and avoids
confusion over port assignment when converting to real names.

Fixes #136
2017-02-26 10:22:22 +09:00
fr3aker
4c8b5a6439 fix tor coin peers always scheduled for check (#139)
fixes #138
2017-02-26 10:16:08 +09:00
Neil Booth
5bcbdea16a Only set last_connect if the connection was good 2017-02-20 05:37:53 +09:00
Neil Booth
5662f1fa88 Add facility to disable peer discovery
and/or self announcement.
2017-02-19 19:02:01 +09:00
Neil Booth
86f6a148b9 Separate async item processor per session
Improve daemon wait logic

Fixes #100
2017-02-19 19:01:41 +09:00
Neil Booth
0149f2785f A few peer handling improvements
based on suggestions from hsmiths
Set transport to None if a connection is lost
Only subscribe to peers if the peer is verified on same network
2017-02-19 10:21:17 +09:00
Neil Booth
3f35bc0298 More PEP8 stuff 2017-02-18 13:05:26 +09:00
Neil Booth
151da40d5b Implement peer discovery protocol
Closes #104

DEFAULT_PORTS now a coin property
A Peer object maintains peer information
Revamp LocalRPC "peers" call to show a lot more information
Have lib/jsonrpc.py take care of handling request timeouts
Save and restore peers to a file
Loosen JSON RPC rules so we work with electrum-server and beancurd which don't follow the spec.
Handle incoming server.add_peer requests
Send server.add_peer registrations if peer doesn't have us or correct ports
Verify peers at regular intervals, forget stale peers, verify new peers or those with updated ports
If connecting via one port fails, try the other
Add socks.py for SOCKS4 and SOCKS5 proxying, so Tor servers can now be reached by TCP and SSL
Put full licence boilerplate in lib/ files
Disable IRC advertising on testnet
Serve a Tor banner file if it seems like a connection came from your tor proxy (see ENVIONMENT.rst)
Retry tor proxy hourly, and peers that are about to turn stale
Report more onion peers to a connection that seems to be combing from your tor proxy
Only report good peers to server.peers.subscribe; always report self if valid
Handle peers on the wrong network robustly
Default to 127.0.0.1 rather than localhost for Python <= 3.5.2 compatibility
Put peer name in logs of connections to it
Update docs
2017-02-18 12:43:45 +09:00
Neil Booth
06c8eda161 Preparations for peer discovery
DEFAULT_PORTS is a now a coin property.
Other miscellaneous updates to get things closer
2017-01-29 06:47:43 +09:00
Neil Booth
e56f188816 Implement peer subscriptions
Incremental updates are passed.
Also implement a server.features RPC
2017-01-25 20:28:19 +09:00
Neil Booth
cb0160901f Unify executor and futures logic 2017-01-24 21:25:37 +09:00
Neil Booth
a7462a6ea3 Complete rewrite of JSON RPC infrastructure
Aim to be easier for clients to use, because to do peer
discovery we must act as a client to other servers.

Split out JSON session concept from the asyncio protocol
concept.  This makes the JSON RPC support more easily
testable and usable as a stand-alone library.

In addition, support JSON RPC v1 and v2, and auto-detection
of peer's version.
2017-01-23 23:36:02 +09:00
Neil Booth
05a6da1920 Move peer management to peers.py from irc
It's cleaner and will be useful for peer-to-peer comms later
2017-01-22 23:34:44 +09:00