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les: fix balance expiration (#22343)

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* les/lespay/server: fix balance expiration and add test

* les: move client balances to a new db

* les: rename lespayDb to lesDb
This commit is contained in:
Felföldi Zsolt 2021-02-19 15:53:12 +01:00 committed by GitHub
parent c027507e03
commit 8647233a8e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 92 additions and 9 deletions
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8
les/client.go
View File

@ -81,7 +81,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
if err != nil {
return nil, err
}
lespayDb, err := stack.OpenDatabase("lespay", 0, 0, "eth/db/lespay")
lesDb, err := stack.OpenDatabase("les.client", 0, 0, "eth/db/les.client")
if err != nil {
return nil, err
}
@ -99,6 +99,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
chainConfig: chainConfig,
iConfig: light.DefaultClientIndexerConfig,
chainDb: chainDb,
lesDb: lesDb,
closeCh: make(chan struct{}),
},
peers: peers,
@ -108,13 +109,13 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
engine: ethconfig.CreateConsensusEngine(stack, chainConfig, &config.Ethash, nil, false, chainDb),
bloomRequests: make(chan chan *bloombits.Retrieval),
bloomIndexer: core.NewBloomIndexer(chainDb, params.BloomBitsBlocksClient, params.HelperTrieConfirmations),
valueTracker: vfc.NewValueTracker(lespayDb, &mclock.System{}, requestList, time.Minute, 1/float64(time.Hour), 1/float64(time.Hour*100), 1/float64(time.Hour*1000)),
valueTracker: vfc.NewValueTracker(lesDb, &mclock.System{}, requestList, time.Minute, 1/float64(time.Hour), 1/float64(time.Hour*100), 1/float64(time.Hour*1000)),
p2pServer: stack.Server(),
p2pConfig: &stack.Config().P2P,
}
peers.subscribe((*vtSubscription)(leth.valueTracker))
leth.serverPool = newServerPool(lespayDb, []byte("serverpool:"), leth.valueTracker, time.Second, nil, &mclock.System{}, config.UltraLightServers)
leth.serverPool = newServerPool(lesDb, []byte("serverpool:"), leth.valueTracker, time.Second, nil, &mclock.System{}, config.UltraLightServers)
peers.subscribe(leth.serverPool)
leth.dialCandidates = leth.serverPool.dialIterator
@ -331,6 +332,7 @@ func (s *LightEthereum) Stop() error {
s.eventMux.Stop()
rawdb.PopUncleanShutdownMarker(s.chainDb)
s.chainDb.Close()
s.lesDb.Close()
s.wg.Wait()
log.Info("Light ethereum stopped")
return nil

4
les/clientpool.go
View File

@ -105,7 +105,7 @@ type clientInfo struct {
}
// newClientPool creates a new client pool
func newClientPool(ns *nodestate.NodeStateMachine, lespayDb ethdb.Database, minCap uint64, connectedBias time.Duration, clock mclock.Clock, removePeer func(enode.ID)) *clientPool {
func newClientPool(ns *nodestate.NodeStateMachine, lesDb ethdb.Database, minCap uint64, connectedBias time.Duration, clock mclock.Clock, removePeer func(enode.ID)) *clientPool {
pool := &clientPool{
ns: ns,
BalanceTrackerSetup: balanceTrackerSetup,
@ -115,7 +115,7 @@ func newClientPool(ns *nodestate.NodeStateMachine, lespayDb ethdb.Database, minC
connectedBias: connectedBias,
removePeer: removePeer,
}
pool.bt = vfs.NewBalanceTracker(ns, balanceTrackerSetup, lespayDb, clock, &utils.Expirer{}, &utils.Expirer{})
pool.bt = vfs.NewBalanceTracker(ns, balanceTrackerSetup, lesDb, clock, &utils.Expirer{}, &utils.Expirer{})
pool.pp = vfs.NewPriorityPool(ns, priorityPoolSetup, clock, minCap, connectedBias, 4)
// set default expiration constants used by tests

2
les/commons.go
View File

@ -51,7 +51,7 @@ type lesCommons struct {
config *ethconfig.Config
chainConfig *params.ChainConfig
iConfig *light.IndexerConfig
chainDb ethdb.Database
chainDb, lesDb ethdb.Database
chainReader chainReader
chtIndexer, bloomTrieIndexer *core.ChainIndexer
oracle *checkpointoracle.CheckpointOracle

8
les/server.go
View File

@ -85,6 +85,10 @@ type LesServer struct {
}
func NewLesServer(node *node.Node, e ethBackend, config *ethconfig.Config) (*LesServer, error) {
lesDb, err := node.OpenDatabase("les.server", 0, 0, "eth/db/les.server")
if err != nil {
return nil, err
}
ns := nodestate.NewNodeStateMachine(nil, nil, mclock.System{}, serverSetup)
// Calculate the number of threads used to service the light client
// requests based on the user-specified value.
@ -99,6 +103,7 @@ func NewLesServer(node *node.Node, e ethBackend, config *ethconfig.Config) (*Les
chainConfig: e.BlockChain().Config(),
iConfig: light.DefaultServerIndexerConfig,
chainDb: e.ChainDb(),
lesDb: lesDb,
chainReader: e.BlockChain(),
chtIndexer: light.NewChtIndexer(e.ChainDb(), nil, params.CHTFrequency, params.HelperTrieProcessConfirmations, true),
bloomTrieIndexer: light.NewBloomTrieIndexer(e.ChainDb(), nil, params.BloomBitsBlocks, params.BloomTrieFrequency, true),
@ -136,7 +141,7 @@ func NewLesServer(node *node.Node, e ethBackend, config *ethconfig.Config) (*Les
srv.maxCapacity = totalRecharge
}
srv.fcManager.SetCapacityLimits(srv.minCapacity, srv.maxCapacity, srv.minCapacity*2)
srv.clientPool = newClientPool(ns, srv.chainDb, srv.minCapacity, defaultConnectedBias, mclock.System{}, srv.dropClient)
srv.clientPool = newClientPool(ns, lesDb, srv.minCapacity, defaultConnectedBias, mclock.System{}, srv.dropClient)
srv.clientPool.setDefaultFactors(vfs.PriceFactors{TimeFactor: 0, CapacityFactor: 1, RequestFactor: 1}, vfs.PriceFactors{TimeFactor: 0, CapacityFactor: 1, RequestFactor: 1})
checkpoint := srv.latestLocalCheckpoint()
@ -222,6 +227,7 @@ func (s *LesServer) Stop() error {
// Note, bloom trie indexer is closed by parent bloombits indexer.
s.chtIndexer.Close()
s.lesDb.Close()
s.wg.Wait()
log.Info("Les server stopped")

71
les/vflux/server/balance_test.go
View File

@ -17,6 +17,7 @@
package server
import (
"math"
"math/rand"
"reflect"
"testing"
@ -69,7 +70,9 @@ func (b *balanceTestSetup) newNode(capacity uint64) *NodeBalance {
node := enode.SignNull(&enr.Record{}, enode.ID{})
b.ns.SetState(node, testFlag, nodestate.Flags{}, 0)
b.ns.SetField(node, btTestSetup.connAddressField, "")
if capacity != 0 {
b.ns.SetField(node, ppTestSetup.CapacityField, capacity)
}
n, _ := b.ns.GetField(node, btTestSetup.BalanceField).(*NodeBalance)
return n
}
@ -398,3 +401,71 @@ func TestCallback(t *testing.T) {
case <-time.NewTimer(time.Millisecond * 100).C:
}
}
func TestBalancePersistence(t *testing.T) {
clock := &mclock.Simulated{}
ns := nodestate.NewNodeStateMachine(nil, nil, clock, testSetup)
db := memorydb.New()
posExp := &utils.Expirer{}
negExp := &utils.Expirer{}
posExp.SetRate(clock.Now(), math.Log(2)/float64(time.Hour*2)) // halves every two hours
negExp.SetRate(clock.Now(), math.Log(2)/float64(time.Hour)) // halves every hour
bt := NewBalanceTracker(ns, btTestSetup, db, clock, posExp, negExp)
ns.Start()
bts := &balanceTestSetup{
clock: clock,
ns: ns,
bt: bt,
}
var nb *NodeBalance
exp := func(expPos, expNeg uint64) {
pos, neg := nb.GetBalance()
if pos != expPos {
t.Fatalf("Positive balance incorrect, want %v, got %v", expPos, pos)
}
if neg != expNeg {
t.Fatalf("Positive balance incorrect, want %v, got %v", expPos, pos)
}
}
expTotal := func(expTotal uint64) {
total := bt.TotalTokenAmount()
if total != expTotal {
t.Fatalf("Total token amount incorrect, want %v, got %v", expTotal, total)
}
}
expTotal(0)
nb = bts.newNode(0)
expTotal(0)
nb.SetBalance(16000000000, 16000000000)
exp(16000000000, 16000000000)
expTotal(16000000000)
clock.Run(time.Hour * 2)
exp(8000000000, 4000000000)
expTotal(8000000000)
bt.Stop()
ns.Stop()
clock = &mclock.Simulated{}
ns = nodestate.NewNodeStateMachine(nil, nil, clock, testSetup)
posExp = &utils.Expirer{}
negExp = &utils.Expirer{}
posExp.SetRate(clock.Now(), math.Log(2)/float64(time.Hour*2)) // halves every two hours
negExp.SetRate(clock.Now(), math.Log(2)/float64(time.Hour)) // halves every hour
bt = NewBalanceTracker(ns, btTestSetup, db, clock, posExp, negExp)
ns.Start()
bts = &balanceTestSetup{
clock: clock,
ns: ns,
bt: bt,
}
expTotal(8000000000)
nb = bts.newNode(0)
exp(8000000000, 4000000000)
expTotal(8000000000)
clock.Run(time.Hour * 2)
exp(4000000000, 1000000000)
expTotal(4000000000)
bt.Stop()
ns.Stop()
}

6
les/vflux/server/balance_tracker.go
View File

@ -99,6 +99,10 @@ func NewBalanceTracker(ns *nodestate.NodeStateMachine, setup BalanceTrackerSetup
balanceTimer: utils.NewUpdateTimer(clock, time.Second*10),
quit: make(chan struct{}),
}
posOffset, negOffset := bt.ndb.getExpiration()
posExp.SetLogOffset(clock.Now(), posOffset)
negExp.SetLogOffset(clock.Now(), negOffset)
bt.ndb.forEachBalance(false, func(id enode.ID, balance utils.ExpiredValue) bool {
bt.inactive.AddExp(balance)
return true
@ -177,7 +181,7 @@ func (bt *BalanceTracker) TotalTokenAmount() uint64 {
bt.balanceTimer.Update(func(_ time.Duration) bool {
bt.active = utils.ExpiredValue{}
bt.ns.ForEach(nodestate.Flags{}, nodestate.Flags{}, func(node *enode.Node, state nodestate.Flags) {
if n, ok := bt.ns.GetField(node, bt.BalanceField).(*NodeBalance); ok {
if n, ok := bt.ns.GetField(node, bt.BalanceField).(*NodeBalance); ok && n.active {
pos, _ := n.GetRawBalance()
bt.active.AddExp(pos)
}