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Add NODE_BLOOM service bit and bump protocol version

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Lets nodes advertise that they offer bloom filter support explicitly.
The protocol version bump allows SPV nodes to assume that NODE_BLOOM is
set if NODE_NETWORK is set for pre-70011 nodes.

Also adds an option to turn bloom filter support off for nodes which
advertise a version number >= 70011. Nodes attempting to use bloom
filters on such protocol versions are banned, and a later upgade
should drop nodes of an older version which attempt to use bloom
filters.

Much code stolen from Peter Todd.

Implements BIP 111
This commit is contained in:
Matt Corallo 2015-08-20 21:15:27 -07:00
parent 536207f316
commit afb0ccaf9c
4 changed files with 26 additions and 1 deletions
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3
src/init.cpp
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@ -918,6 +918,9 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
// Option to startup with mocktime set (used for regression testing):
SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
if (GetBoolArg("-peerbloomfilters", true))
nLocalServices |= NODE_BLOOM;
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Initialize elliptic curve code