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node.go
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node.go
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// Copyright 2021 The Swarm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package node defines the concept of a Bee node
// by bootstrapping and injecting all necessary
// dependencies.
package node
import (
"context"
"crypto/ecdsa"
"fmt"
"io"
"log"
"math/big"
"net"
"net/http"
"path/filepath"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethclient"
ma "github.com/multiformats/go-multiaddr"
"github.com/sirupsen/logrus"
"github.com/yanhuangpai/ifi-bee/pkg/accounting"
"github.com/yanhuangpai/ifi-bee/pkg/addressbook"
"github.com/yanhuangpai/ifi-bee/pkg/api"
"github.com/yanhuangpai/ifi-bee/pkg/crypto"
"github.com/yanhuangpai/ifi-bee/pkg/debugapi"
"github.com/yanhuangpai/ifi-bee/pkg/feeds/factory"
"github.com/yanhuangpai/ifi-bee/pkg/hive"
"github.com/yanhuangpai/ifi-bee/pkg/kademlia"
"github.com/yanhuangpai/ifi-bee/pkg/localstore"
"github.com/yanhuangpai/ifi-bee/pkg/logging"
"github.com/yanhuangpai/ifi-bee/pkg/metrics"
"github.com/yanhuangpai/ifi-bee/pkg/netstore"
"github.com/yanhuangpai/ifi-bee/pkg/p2p/libp2p"
"github.com/yanhuangpai/ifi-bee/pkg/pingpong"
"github.com/yanhuangpai/ifi-bee/pkg/pricing"
"github.com/yanhuangpai/ifi-bee/pkg/pss"
"github.com/yanhuangpai/ifi-bee/pkg/puller"
"github.com/yanhuangpai/ifi-bee/pkg/pullsync"
"github.com/yanhuangpai/ifi-bee/pkg/pullsync/pullstorage"
"github.com/yanhuangpai/ifi-bee/pkg/pusher"
"github.com/yanhuangpai/ifi-bee/pkg/pushsync"
"github.com/yanhuangpai/ifi-bee/pkg/recovery"
"github.com/yanhuangpai/ifi-bee/pkg/resolver/multiresolver"
"github.com/yanhuangpai/ifi-bee/pkg/retrieval"
settlement "github.com/yanhuangpai/ifi-bee/pkg/settlement"
"github.com/yanhuangpai/ifi-bee/pkg/settlement/pseudosettle"
"github.com/yanhuangpai/ifi-bee/pkg/settlement/swap"
"github.com/yanhuangpai/ifi-bee/pkg/settlement/swap/chequebook"
"github.com/yanhuangpai/ifi-bee/pkg/settlement/swap/transaction"
"github.com/yanhuangpai/ifi-bee/pkg/storage"
"github.com/yanhuangpai/ifi-bee/pkg/swarm"
"github.com/yanhuangpai/ifi-bee/pkg/tags"
"github.com/yanhuangpai/ifi-bee/pkg/tracing"
"github.com/yanhuangpai/ifi-bee/pkg/traversal"
"golang.org/x/sync/errgroup"
)
type Bee struct {
p2pService io.Closer
p2pCancel context.CancelFunc
apiCloser io.Closer
apiServer *http.Server
debugAPIServer *http.Server
resolverCloser io.Closer
errorLogWriter *io.PipeWriter
tracerCloser io.Closer
tagsCloser io.Closer
stateStoreCloser io.Closer
localstoreCloser io.Closer
topologyCloser io.Closer
pusherCloser io.Closer
pullerCloser io.Closer
pullSyncCloser io.Closer
pssCloser io.Closer
ethClientCloser func()
recoveryHandleCleanup func()
}
type Options struct {
DataDir string
DBCapacity uint64
DBOpenFilesLimit uint64
DBWriteBufferSize uint64
DBBlockCacheCapacity uint64
DBDisableSeeksCompaction bool
APIAddr string
DebugAPIAddr string
Addr string
NATAddr string
EnableWS bool
EnableQUIC bool
WelcomeMessage string
Bootnodes []string
CORSAllowedOrigins []string
Logger logging.Logger
Standalone bool
TracingEnabled bool
TracingEndpoint string
TracingServiceName string
GlobalPinningEnabled bool
PaymentThreshold string
PaymentTolerance string
PaymentEarly string
ResolverConnectionCfgs []multiresolver.ConnectionConfig
GatewayMode bool
BootnodeMode bool
SwapEndpoint string
SwapFactoryAddress string
SwapInitialDeposit string
SwapEnable bool
}
func NewBee(addr string, swarmAddress swarm.Address, publicKey ecdsa.PublicKey, signer crypto.Signer, networkID uint64, logger logging.Logger, libp2pPrivateKey, pssPrivateKey *ecdsa.PrivateKey, o Options) (b *Bee, err error) {
tracer, tracerCloser, err := tracing.NewTracer(&tracing.Options{
Enabled: o.TracingEnabled,
Endpoint: o.TracingEndpoint,
ServiceName: o.TracingServiceName,
})
if err != nil {
return nil, fmt.Errorf("tracer: %w", err)
}
p2pCtx, p2pCancel := context.WithCancel(context.Background())
defer func() {
// if there's been an error on this function
// we'd like to cancel the p2p context so that
// incoming connections will not be possible
if err != nil {
p2pCancel()
}
}()
b = &Bee{
p2pCancel: p2pCancel,
errorLogWriter: logger.WriterLevel(logrus.ErrorLevel),
tracerCloser: tracerCloser,
}
var debugAPIService *debugapi.Service
if o.DebugAPIAddr != "" {
overlayEthAddress, err := signer.EthereumAddress()
if err != nil {
return nil, fmt.Errorf("eth address: %w", err)
}
// set up basic debug api endpoints for debugging and /health endpoint
debugAPIService = debugapi.New(swarmAddress, publicKey, pssPrivateKey.PublicKey, overlayEthAddress, logger, tracer, o.CORSAllowedOrigins)
debugAPIListener, err := net.Listen("tcp", o.DebugAPIAddr)
if err != nil {
return nil, fmt.Errorf("debug api listener: %w", err)
}
debugAPIServer := &http.Server{
IdleTimeout: 30 * time.Second,
ReadHeaderTimeout: 3 * time.Second,
Handler: debugAPIService,
ErrorLog: log.New(b.errorLogWriter, "", 0),
}
go func() {
logger.Infof("debug api address: %s", debugAPIListener.Addr())
if err := debugAPIServer.Serve(debugAPIListener); err != nil && err != http.ErrServerClosed {
logger.Debugf("debug api server: %v", err)
logger.Error("unable to serve debug api")
}
}()
b.debugAPIServer = debugAPIServer
}
stateStore, err := InitStateStore(logger, o.DataDir)
if err != nil {
return nil, err
}
b.stateStoreCloser = stateStore
err = CheckOverlayWithStore(swarmAddress, stateStore)
if err != nil {
return nil, err
}
addressbook := addressbook.New(stateStore)
var swapBackend *ethclient.Client
var overlayEthAddress common.Address
var chainID int64
var transactionService transaction.Service
var chequebookFactory chequebook.Factory
var chequebookService chequebook.Service
var chequeStore chequebook.ChequeStore
var cashoutService chequebook.CashoutService
if o.SwapEnable {
swapBackend, overlayEthAddress, chainID, transactionService, err = InitChain(
p2pCtx,
logger,
stateStore,
o.SwapEndpoint,
signer,
)
if err != nil {
return nil, err
}
b.ethClientCloser = swapBackend.Close
chequebookFactory, err = InitChequebookFactory(
logger,
swapBackend,
chainID,
transactionService,
o.SwapFactoryAddress,
)
if err != nil {
return nil, err
}
if err = chequebookFactory.VerifyBytecode(p2pCtx); err != nil {
return nil, fmt.Errorf("factory fail: %w", err)
}
chequebookService, err = InitChequebookService(
p2pCtx,
logger,
stateStore,
signer,
chainID,
swapBackend,
overlayEthAddress,
transactionService,
chequebookFactory,
o.SwapInitialDeposit,
)
if err != nil {
return nil, err
}
chequeStore, cashoutService = initChequeStoreCashout(
stateStore,
swapBackend,
chequebookFactory,
chainID,
overlayEthAddress,
transactionService,
)
}
p2ps, err := libp2p.New(p2pCtx, signer, networkID, swarmAddress, addr, addressbook, stateStore, logger, tracer, libp2p.Options{
PrivateKey: libp2pPrivateKey,
NATAddr: o.NATAddr,
EnableWS: o.EnableWS,
EnableQUIC: o.EnableQUIC,
Standalone: o.Standalone,
WelcomeMessage: o.WelcomeMessage,
})
if err != nil {
return nil, fmt.Errorf("p2p service: %w", err)
}
b.p2pService = p2ps
if !o.Standalone {
if natManager := p2ps.NATManager(); natManager != nil {
// wait for nat manager to init
logger.Debug("initializing NAT manager")
select {
case <-natManager.Ready():
// this is magic sleep to give NAT time to sync the mappings
// this is a hack, kind of alchemy and should be improved
time.Sleep(3 * time.Second)
logger.Debug("NAT manager initialized")
case <-time.After(10 * time.Second):
logger.Warning("NAT manager init timeout")
}
}
}
// Construct protocols.
pingPong := pingpong.New(p2ps, logger, tracer)
if err = p2ps.AddProtocol(pingPong.Protocol()); err != nil {
return nil, fmt.Errorf("pingpong service: %w", err)
}
hive := hive.New(p2ps, addressbook, networkID, logger)
if err = p2ps.AddProtocol(hive.Protocol()); err != nil {
return nil, fmt.Errorf("hive service: %w", err)
}
var bootnodes []ma.Multiaddr
if o.Standalone {
logger.Info("Starting node in standalone mode, no p2p connections will be made or accepted")
} else {
for _, a := range o.Bootnodes {
addr, err := ma.NewMultiaddr(a)
if err != nil {
logger.Debugf("multiaddress fail %s: %v", a, err)
logger.Warningf("invalid bootnode address %s", a)
continue
}
bootnodes = append(bootnodes, addr)
}
}
var settlement settlement.Interface
var swapService *swap.Service
if o.SwapEnable {
swapService, err = InitSwap(
p2ps,
logger,
stateStore,
networkID,
overlayEthAddress,
chequebookService,
chequeStore,
cashoutService,
)
if err != nil {
return nil, err
}
settlement = swapService
} else {
pseudosettleService := pseudosettle.New(p2ps, logger, stateStore)
if err = p2ps.AddProtocol(pseudosettleService.Protocol()); err != nil {
return nil, fmt.Errorf("pseudosettle service: %w", err)
}
settlement = pseudosettleService
}
paymentThreshold, ok := new(big.Int).SetString(o.PaymentThreshold, 10)
if !ok {
return nil, fmt.Errorf("invalid payment threshold: %s", paymentThreshold)
}
pricing := pricing.New(p2ps, logger, paymentThreshold)
if err = p2ps.AddProtocol(pricing.Protocol()); err != nil {
return nil, fmt.Errorf("pricing service: %w", err)
}
paymentTolerance, ok := new(big.Int).SetString(o.PaymentTolerance, 10)
if !ok {
return nil, fmt.Errorf("invalid payment tolerance: %s", paymentTolerance)
}
paymentEarly, ok := new(big.Int).SetString(o.PaymentEarly, 10)
if !ok {
return nil, fmt.Errorf("invalid payment early: %s", paymentEarly)
}
acc, err := accounting.NewAccounting(
paymentThreshold,
paymentTolerance,
paymentEarly,
logger,
stateStore,
settlement,
pricing,
)
if err != nil {
return nil, fmt.Errorf("accounting: %w", err)
}
settlement.SetNotifyPaymentFunc(acc.AsyncNotifyPayment)
pricing.SetPaymentThresholdObserver(acc)
kad := kademlia.New(swarmAddress, addressbook, hive, p2ps, logger, kademlia.Options{Bootnodes: bootnodes, StandaloneMode: o.Standalone, BootnodeMode: o.BootnodeMode})
b.topologyCloser = kad
hive.SetAddPeersHandler(kad.AddPeers)
p2ps.SetPickyNotifier(kad)
addrs, err := p2ps.Addresses()
if err != nil {
return nil, fmt.Errorf("get server addresses: %w", err)
}
for _, addr := range addrs {
logger.Debugf("p2p address: %s", addr)
}
var path string
if o.DataDir != "" {
path = filepath.Join(o.DataDir, "localstore")
}
lo := &localstore.Options{
Capacity: o.DBCapacity,
OpenFilesLimit: o.DBOpenFilesLimit,
BlockCacheCapacity: o.DBBlockCacheCapacity,
WriteBufferSize: o.DBWriteBufferSize,
DisableSeeksCompaction: o.DBDisableSeeksCompaction,
}
storer, err := localstore.New(path, swarmAddress.Bytes(), lo, logger)
if err != nil {
return nil, fmt.Errorf("localstore: %w", err)
}
b.localstoreCloser = storer
retrieve := retrieval.New(swarmAddress, storer, p2ps, kad, logger, acc, accounting.NewFixedPricer(swarmAddress, 1000000000), tracer)
tagService := tags.NewTags(stateStore, logger)
b.tagsCloser = tagService
if err = p2ps.AddProtocol(retrieve.Protocol()); err != nil {
return nil, fmt.Errorf("retrieval service: %w", err)
}
pssService := pss.New(pssPrivateKey, logger)
b.pssCloser = pssService
var ns storage.Storer
if o.GlobalPinningEnabled {
// create recovery callback for content repair
recoverFunc := recovery.NewCallback(pssService)
ns = netstore.New(storer, recoverFunc, retrieve, logger)
} else {
ns = netstore.New(storer, nil, retrieve, logger)
}
traversalService := traversal.NewService(ns)
pushSyncProtocol := pushsync.New(p2ps, storer, kad, tagService, pssService.TryUnwrap, logger, acc, accounting.NewFixedPricer(swarmAddress, 1000000000), tracer)
// set the pushSyncer in the PSS
pssService.SetPushSyncer(pushSyncProtocol)
if err = p2ps.AddProtocol(pushSyncProtocol.Protocol()); err != nil {
return nil, fmt.Errorf("pushsync service: %w", err)
}
if o.GlobalPinningEnabled {
// register function for chunk repair upon receiving a trojan message
chunkRepairHandler := recovery.NewRepairHandler(ns, logger, pushSyncProtocol)
b.recoveryHandleCleanup = pssService.Register(recovery.Topic, chunkRepairHandler)
}
pushSyncPusher := pusher.New(storer, kad, pushSyncProtocol, tagService, logger, tracer)
b.pusherCloser = pushSyncPusher
pullStorage := pullstorage.New(storer)
pullSync := pullsync.New(p2ps, pullStorage, pssService.TryUnwrap, logger)
b.pullSyncCloser = pullSync
if err = p2ps.AddProtocol(pullSync.Protocol()); err != nil {
return nil, fmt.Errorf("pullsync protocol: %w", err)
}
puller := puller.New(stateStore, kad, pullSync, logger, puller.Options{})
b.pullerCloser = puller
multiResolver := multiresolver.NewMultiResolver(
multiresolver.WithConnectionConfigs(o.ResolverConnectionCfgs),
multiresolver.WithLogger(o.Logger),
)
b.resolverCloser = multiResolver
var apiService api.Service
if o.APIAddr != "" {
// API server
feedFactory := factory.New(ns)
apiService = api.New(tagService, ns, multiResolver, pssService, traversalService, feedFactory, logger, tracer, api.Options{
CORSAllowedOrigins: o.CORSAllowedOrigins,
GatewayMode: o.GatewayMode,
WsPingPeriod: 60 * time.Second,
})
apiListener, err := net.Listen("tcp", o.APIAddr)
if err != nil {
return nil, fmt.Errorf("api listener: %w", err)
}
apiServer := &http.Server{
IdleTimeout: 30 * time.Second,
ReadHeaderTimeout: 3 * time.Second,
Handler: apiService,
ErrorLog: log.New(b.errorLogWriter, "", 0),
}
go func() {
logger.Infof("api address: %s", apiListener.Addr())
if err := apiServer.Serve(apiListener); err != nil && err != http.ErrServerClosed {
logger.Debugf("api server: %v", err)
logger.Error("unable to serve api")
}
}()
b.apiServer = apiServer
b.apiCloser = apiService
}
if debugAPIService != nil {
// register metrics from components
debugAPIService.MustRegisterMetrics(p2ps.Metrics()...)
debugAPIService.MustRegisterMetrics(pingPong.Metrics()...)
debugAPIService.MustRegisterMetrics(acc.Metrics()...)
debugAPIService.MustRegisterMetrics(storer.Metrics()...)
debugAPIService.MustRegisterMetrics(puller.Metrics()...)
debugAPIService.MustRegisterMetrics(pushSyncProtocol.Metrics()...)
debugAPIService.MustRegisterMetrics(pushSyncPusher.Metrics()...)
debugAPIService.MustRegisterMetrics(pullSync.Metrics()...)
debugAPIService.MustRegisterMetrics(retrieve.Metrics()...)
if pssServiceMetrics, ok := pssService.(metrics.Collector); ok {
debugAPIService.MustRegisterMetrics(pssServiceMetrics.Metrics()...)
}
if apiService != nil {
debugAPIService.MustRegisterMetrics(apiService.Metrics()...)
}
if l, ok := logger.(metrics.Collector); ok {
debugAPIService.MustRegisterMetrics(l.Metrics()...)
}
if l, ok := settlement.(metrics.Collector); ok {
debugAPIService.MustRegisterMetrics(l.Metrics()...)
}
// inject dependencies and configure full debug api http path routes
debugAPIService.Configure(p2ps, pingPong, kad, storer, tagService, acc, settlement, o.SwapEnable, swapService, chequebookService)
}
if err := kad.Start(p2pCtx); err != nil {
return nil, err
}
p2ps.Ready()
return b, nil
}
func (b *Bee) Shutdown(ctx context.Context) error {
errs := new(multiError)
if b.apiCloser != nil {
if err := b.apiCloser.Close(); err != nil {
errs.add(fmt.Errorf("api: %w", err))
}
}
var eg errgroup.Group
if b.apiServer != nil {
eg.Go(func() error {
if err := b.apiServer.Shutdown(ctx); err != nil {
return fmt.Errorf("api server: %w", err)
}
return nil
})
}
if b.debugAPIServer != nil {
eg.Go(func() error {
if err := b.debugAPIServer.Shutdown(ctx); err != nil {
return fmt.Errorf("debug api server: %w", err)
}
return nil
})
}
if err := eg.Wait(); err != nil {
errs.add(err)
}
if b.recoveryHandleCleanup != nil {
b.recoveryHandleCleanup()
}
if err := b.pusherCloser.Close(); err != nil {
errs.add(fmt.Errorf("pusher: %w", err))
}
if err := b.pullerCloser.Close(); err != nil {
errs.add(fmt.Errorf("puller: %w", err))
}
if err := b.pullSyncCloser.Close(); err != nil {
errs.add(fmt.Errorf("pull sync: %w", err))
}
if err := b.pssCloser.Close(); err != nil {
errs.add(fmt.Errorf("pss: %w", err))
}
b.p2pCancel()
if err := b.p2pService.Close(); err != nil {
errs.add(fmt.Errorf("p2p server: %w", err))
}
if c := b.ethClientCloser; c != nil {
c()
}
if err := b.tracerCloser.Close(); err != nil {
errs.add(fmt.Errorf("tracer: %w", err))
}
if err := b.tagsCloser.Close(); err != nil {
errs.add(fmt.Errorf("tag persistence: %w", err))
}
if err := b.stateStoreCloser.Close(); err != nil {
errs.add(fmt.Errorf("statestore: %w", err))
}
if err := b.localstoreCloser.Close(); err != nil {
errs.add(fmt.Errorf("localstore: %w", err))
}
if err := b.topologyCloser.Close(); err != nil {
errs.add(fmt.Errorf("topology driver: %w", err))
}
if err := b.errorLogWriter.Close(); err != nil {
errs.add(fmt.Errorf("error log writer: %w", err))
}
// Shutdown the resolver service only if it has been initialized.
if b.resolverCloser != nil {
if err := b.resolverCloser.Close(); err != nil {
errs.add(fmt.Errorf("resolver service: %w", err))
}
}
if errs.hasErrors() {
return errs
}
return nil
}
type multiError struct {
errors []error
}
func (e *multiError) Error() string {
if len(e.errors) == 0 {
return ""
}
s := e.errors[0].Error()
for _, err := range e.errors[1:] {
s += "; " + err.Error()
}
return s
}
func (e *multiError) add(err error) {
e.errors = append(e.errors, err)
}
func (e *multiError) hasErrors() bool {
return len(e.errors) > 0
}