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7b79cbd limit total length of user agent comments (Pavol Rusnak)
557f8ea implement uacomment config parameter which can add comments to user agent as per BIP-0014 (Pavol Rusnak)
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Reworked-By: Wladimir J. van der Laan <laanwj@gmail.com>
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value of 125 into a single constant declaration.
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which can add comments to user agent as per BIP-0014
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While CBloomFilter is usually used with an explicitly set nTweak,
CRollingBloomFilter is only used internally. Requiring every caller to
set nTweak is error-prone and redundant; better to have the class handle
that for you with a high-quality randomness source.
Additionally when clearing the filter it makes sense to change nTweak as
well to recover from a bad setting, e.g. due to insufficient randomness
at initialization, so the clear() method is replaced by a reset() method
that sets a new, random, nTweak value.
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60c8bac Includes: Cleanup around net main and wallet (Jorge Timón)
9dd793f TRIVIAL: Missing includes (Jorge Timón)
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-Move from .h to .cpp: in main, net and wallet
-Remove unnecessary #include "main.h"
-Cleanup some wallet files includes
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a794284 locking: add a quick example of GUARDED_BY (Cory Fields)
2b890dd locking: fix a few small issues uncovered by -Wthread-safety (Cory Fields)
cd27bba locking: teach Clang's -Wthread-safety to cope with our scoped lock macros (Cory Fields)
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e3cae52 Added -whiteconnections=<n> option (Josh Lehan)
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- added a reason enum for a ban
- added creation time for a ban
Using CBanEntry as container will keep banlist.dat extenable.
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- rpcwallet: No need to lock twice here
- openssl: Clang doesn't understand selective lock/unlock here. Ignore it.
- CNode: Fix a legitimate (though very unlikely) locking bug.
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This sets aside a number of connection slots for whitelisted peers,
useful for ensuring your local users and miners can always get in,
even if your limit on inbound connections has already been reached.
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- in OpenNetworkConnection we have a FindNode call, which gets a const
char*, wheras we only have defined a FindNode for std::string
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Instead of starting Yet Another Thread to dump addresses,
use CScheduler to do it.
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Use a probabilistic bloom filter to keep track of which addresses
we think we have given our peers, instead of a list.
This uses much less memory, at the cost of sometimes failing to
relay an address to a peer-- worst case if the bloom filter happens
to be as full as it gets, 1-in-1,000.
Measured memory usage of a full mruset setAddrKnown: 650Kbytes
Constant memory usage of CRollingBloomFilter addrKnown: 37Kbytes.
This will also help heap fragmentation, because the 37K of storage
is allocated when a CNode is created (when a connection to a peer
is established) and then there is no per-item-remembered memory
allocation.
I plan on testing by restarting a full node with an empty peers.dat,
running a while with -debug=addrman and -debug=net, and making sure
that the 'addr' message traffic out is reasonable.
(suggestions for better tests welcome)
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739d615 chainparams: use SeedSpec6's rather than CAddress's for fixed seeds (Cory Fields)
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This negates the need for CAddress here at all
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No need to define it for every CAddress, as it's memory only anyway.
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1d21ba2 Scale up addrman (Pieter Wuille)
c6a63ce Always use a 50% chance to choose between tried and new entries (Pieter Wuille)
f68ba3f Do not bias outgoing connections towards fresh addresses (Pieter Wuille)
a8ff7c6 Simplify hashing code (Pieter Wuille)
e6b343d Make addrman's bucket placement deterministic. (Pieter Wuille)
b23add5 Switch addrman key from vector to uint256 (Pieter Wuille)
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This change was suggested as Countermeasure 2 in
Eclipse Attacks on Bitcoin’s Peer-to-Peer Network, Ethan Heilman,
Alison Kendler, Aviv Zohar, Sharon Goldberg. ePrint Archive Report
2015/263. March 2015.
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eec3713 make CMessageHeader a dumb storage class (Cory Fields)
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This introduces a fixed limit for the size of p2p messages, and enforces it
before download.
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It shouldn't know or care about bitcoind's chain param selection
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Normally bitcoin core does not display any network originated strings without
sanitizing or hex encoding. This wasn't done for strcommand in many places.
This could be used to play havoc with a terminal displaying the logs,
especially with printtoconsole in use.
Thanks to Evil-Knievel for reporting this issue.
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No longer necessary since #5161 / 845c86d128fb97d55d125e63653def38729bd2ed.
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856e862 namespace: drop most boost namespaces and a few header cleanups (Cory Fields)
9b1ab86 namespace: drop boost::assign altogether here (Cory Fields)
a324199 namespace: remove boost namespace pollution (Cory Fields)
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