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les: implement ultralight client (#16904)

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For more information about this light client mode, read
https://hackmd.io/s/HJy7jjZpm
This commit is contained in:
b00ris
2019-01-24 14:18:26 +03:00
committed by Felix Lange
parent b8f9b3779f
commit 769657060e
23 changed files with 1288 additions and 179 deletions
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38
les/server.go
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@ -41,17 +41,34 @@ import (
type LesServer struct {
lesCommons
fcManager *flowcontrol.ClientManager // nil if our node is client only
fcCostStats *requestCostStats
defParams *flowcontrol.ServerParams
lesTopics []discv5.Topic
privateKey *ecdsa.PrivateKey
quitSync chan struct{}
fcManager *flowcontrol.ClientManager // nil if our node is client only
fcCostStats *requestCostStats
defParams *flowcontrol.ServerParams
lesTopics []discv5.Topic
privateKey *ecdsa.PrivateKey
quitSync chan struct{}
onlyAnnounce bool
}
func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
quitSync := make(chan struct{})
pm, err := NewProtocolManager(eth.BlockChain().Config(), light.DefaultServerIndexerConfig, false, config.NetworkId, eth.EventMux(), eth.Engine(), newPeerSet(), eth.BlockChain(), eth.TxPool(), eth.ChainDb(), nil, nil, nil, quitSync, new(sync.WaitGroup))
pm, err := NewProtocolManager(
eth.BlockChain().Config(),
light.DefaultServerIndexerConfig,
false,
config.NetworkId,
eth.EventMux(),
eth.Engine(),
newPeerSet(),
eth.BlockChain(),
eth.TxPool(),
eth.ChainDb(),
nil,
nil,
nil,
quitSync,
new(sync.WaitGroup),
config.ULC)
if err != nil {
return nil, err
}
@ -70,8 +87,9 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
bloomTrieIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), nil, params.BloomBitsBlocks, params.BloomTrieFrequency),
protocolManager: pm,
},
quitSync: quitSync,
lesTopics: lesTopics,
quitSync: quitSync,
lesTopics: lesTopics,
onlyAnnounce: config.OnlyAnnounce,
}
logger := log.New()
@ -289,10 +307,8 @@ func (s *requestCostStats) getCurrentList() RequestCostList {
defer s.lock.Unlock()
list := make(RequestCostList, len(reqList))
//fmt.Println("RequestCostList")
for idx, code := range reqList {
b, m := s.stats[code].calc()
//fmt.Println(code, s.stats[code].cnt, b/1000000, m/1000000)
if m < 0 {
b += m
m = 0