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les: only advertise and search for LES2 topic

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This commit is contained in:
Zsolt Felfoldi 2017-12-18 15:57:34 +01:00
parent 9a61c871a4
commit 313384f474
3 changed files with 7 additions and 7 deletions
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5
les/backend.go
View file

@ -221,9 +221,8 @@ func (s *LightEthereum) Start(srvr *p2p.Server) error {
s.startBloomHandlers() s.startBloomHandlers()
log.Warn("Light client mode is an experimental feature") log.Warn("Light client mode is an experimental feature")
s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.networkId) s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.networkId)
// search the topic belonging to the oldest supported protocol because // clients are searching for the first advertised protocol in the list
// servers always advertise all supported protocols protocolVersion := AdvertiseProtocolVersions[0]
protocolVersion := ClientProtocolVersions[len(ClientProtocolVersions)-1]
s.serverPool.start(srvr, lesTopic(s.blockchain.Genesis().Hash(), protocolVersion)) s.serverPool.start(srvr, lesTopic(s.blockchain.Genesis().Hash(), protocolVersion))
s.protocolManager.Start() s.protocolManager.Start()
return nil return nil

5
les/protocol.go
View file

@ -41,8 +41,9 @@ const (
// Supported versions of the les protocol (first is primary) // Supported versions of the les protocol (first is primary)
var ( var (
ClientProtocolVersions = []uint{lpv2, lpv1} ClientProtocolVersions = []uint{lpv2, lpv1}
ServerProtocolVersions = []uint{lpv2, lpv1} ServerProtocolVersions = []uint{lpv2, lpv1}
AdvertiseProtocolVersions = []uint{lpv2} // clients are searching for the first advertised protocol in the list
) )
// Number of implemented message corresponding to different protocol versions. // Number of implemented message corresponding to different protocol versions.

4
les/server.go
View file

@ -56,8 +56,8 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
return nil, err return nil, err
} }
lesTopics := make([]discv5.Topic, len(ServerProtocolVersions)) lesTopics := make([]discv5.Topic, len(AdvertiseProtocolVersions))
for i, pv := range ServerProtocolVersions { for i, pv := range AdvertiseProtocolVersions {
lesTopics[i] = lesTopic(eth.BlockChain().Genesis().Hash(), pv) lesTopics[i] = lesTopic(eth.BlockChain().Genesis().Hash(), pv)
} }