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ipns record selection via sequence numbers

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This commit adds a sequence number to the IpnsEntry protobuf
that is used to determine which among a set of entries for the same key
is the 'most correct'.

GetValues has been added to the routing interface to retrieve a set of
records from the dht, for the caller to select from.

GetValue (singular) will call GetValues, select the 'best' record, and
then update that record to peers we received outdated records from.
This will help keep the dht consistent.

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>
This commit is contained in:
Jeromy
2015-09-18 10:27:55 -07:00
parent 81c64768c5
commit cfcc3d6a1b
15 changed files with 301 additions and 37 deletions
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core/core.go
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@ -501,6 +501,7 @@ func startListening(ctx context.Context, host p2phost.Host, cfg *config.Config)
func constructDHTRouting(ctx context.Context, host p2phost.Host, dstore ds.ThreadSafeDatastore) (routing.IpfsRouting, error) {
dhtRouting := dht.NewDHT(ctx, host, dstore)
dhtRouting.Validator[IpnsValidatorTag] = namesys.IpnsRecordValidator
dhtRouting.Selector[IpnsValidatorTag] = namesys.IpnsSelectorFunc
return dhtRouting, nil
}