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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-170004 nodes.

Also adds an option to turn bloom filter support off for nodes which
advertise a version number >= 170004. 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.

Zcash: Implements Zcash equivalent of BIP 111; deploys with Overwinter
This commit is contained in:
Matt Corallo
2015-08-20 21:15:27 -07:00
committed by Jack Grigg
parent f5b1082f9c
commit 8bc4461326
4 changed files with 26 additions and 1 deletions
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5
src/version.h
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@@ -9,7 +9,7 @@
* network protocol versioning
*/
static const int PROTOCOL_VERSION = 170003;
static const int PROTOCOL_VERSION = 170004;
//! initial proto version, to be increased after version/verack negotiation
static const int INIT_PROTO_VERSION = 209;
@@ -30,4 +30,7 @@ static const int BIP0031_VERSION = 60000;
//! "mempool" command, enhanced "getdata" behavior starts with this version
static const int MEMPOOL_GD_VERSION = 60002;
//! "filter*" commands are disabled without NODE_BLOOM after and including this version
static const int NO_BLOOM_VERSION = 170004;
#endif // BITCOIN_VERSION_H