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les: fix nodiscover option on the client side (#22422)

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This commit is contained in:
Felföldi Zsolt 2021-03-03 15:05:24 +01:00 committed by GitHub
parent ba999105ef
commit b24804d88c
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 5 deletions
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12
les/client.go
View File

@ -115,7 +115,11 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
p2pConfig: &stack.Config().P2P,
}
leth.serverPool, leth.serverPoolIterator = vfc.NewServerPool(lesDb, []byte("serverpool:"), time.Second, leth.prenegQuery, &mclock.System{}, config.UltraLightServers, requestList)
var prenegQuery vfc.QueryFunc
if leth.p2pServer.DiscV5 != nil {
prenegQuery = leth.prenegQuery
}
leth.serverPool, leth.serverPoolIterator = vfc.NewServerPool(lesDb, []byte("serverpool:"), time.Second, prenegQuery, &mclock.System{}, config.UltraLightServers, requestList)
leth.serverPool.AddMetrics(suggestedTimeoutGauge, totalValueGauge, serverSelectableGauge, serverConnectedGauge, sessionValueMeter, serverDialedMeter)
leth.retriever = newRetrieveManager(peers, leth.reqDist, leth.serverPool.GetTimeout)
@ -194,6 +198,9 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
// VfluxRequest sends a batch of requests to the given node through discv5 UDP TalkRequest and returns the responses
func (s *LightEthereum) VfluxRequest(n *enode.Node, reqs vflux.Requests) vflux.Replies {
if s.p2pServer.DiscV5 == nil {
return nil
}
reqsEnc, _ := rlp.EncodeToBytes(&reqs)
repliesEnc, _ := s.p2pServer.DiscV5.TalkRequest(s.serverPool.DialNode(n), "vfx", reqsEnc)
var replies vflux.Replies
@ -208,6 +215,9 @@ func (s *LightEthereum) VfluxRequest(n *enode.Node, reqs vflux.Requests) vflux.R
func (s *LightEthereum) vfxVersion(n *enode.Node) uint {
if n.Seq() == 0 {
var err error
if s.p2pServer.DiscV5 == nil {
return 0
}
if n, err = s.p2pServer.DiscV5.RequestENR(n); n != nil && err == nil && n.Seq() != 0 {
s.serverPool.Persist(n)
} else {

6
les/vflux/client/serverpool.go
View File

@ -91,7 +91,7 @@ type nodeHistoryEnc struct {
// queryFunc sends a pre-negotiation query and blocks until a response arrives or timeout occurs.
// It returns 1 if the remote node has confirmed that connection is possible, 0 if not
// possible and -1 if no response arrived (timeout).
type queryFunc func(*enode.Node) int
type QueryFunc func(*enode.Node) int
var (
clientSetup = &nodestate.Setup{Version: 2}
@ -150,7 +150,7 @@ var (
)
// NewServerPool creates a new server pool
func NewServerPool(db ethdb.KeyValueStore, dbKey []byte, mixTimeout time.Duration, query queryFunc, clock mclock.Clock, trustedURLs []string, requestList []RequestInfo) (*ServerPool, enode.Iterator) {
func NewServerPool(db ethdb.KeyValueStore, dbKey []byte, mixTimeout time.Duration, query QueryFunc, clock mclock.Clock, trustedURLs []string, requestList []RequestInfo) (*ServerPool, enode.Iterator) {
s := &ServerPool{
db: db,
clock: clock,
@ -246,7 +246,7 @@ func (s *ServerPool) AddSource(source enode.Iterator) {
// addPreNegFilter installs a node filter mechanism that performs a pre-negotiation query.
// Nodes that are filtered out and does not appear on the output iterator are put back
// into redialWait state.
func (s *ServerPool) addPreNegFilter(input enode.Iterator, query queryFunc) enode.Iterator {
func (s *ServerPool) addPreNegFilter(input enode.Iterator, query QueryFunc) enode.Iterator {
s.fillSet = NewFillSet(s.ns, input, sfQueried)
s.ns.SubscribeState(sfQueried, func(n *enode.Node, oldState, newState nodestate.Flags) {
if newState.Equals(sfQueried) {

2
les/vflux/client/serverpool_test.go
View File

@ -107,7 +107,7 @@ func (s *ServerPoolTest) addTrusted(i int) {
}
func (s *ServerPoolTest) start() {
var testQuery queryFunc
var testQuery QueryFunc
if s.preNeg {
testQuery = func(node *enode.Node) int {
idx := testNodeIndex(node.ID())