prysm-pulse/beacon-chain/sync/service.go
Raul Jordan eb900a8193
Refactor Initial Sync, Enable Catching Up to Chain (#2111)
* refactor initial sync to prevent reorg infinite loops

* lint

* fixed build

* passing tests

* tests passing

* terence suggestion

* new attempt

* clean up and refactor sync service

* complete the new initial sync logic

* revert head

* init sync working

* config for blockchain receive block

* all works

* builds

* fix a few more tests

* init sync tests pass

* revert scripts

* revert accounts changes

* lint

* lint2

* travis lint

* fix build

* fix single use argument

* any peer

* imports spacing

* imports

* ready for a rolling restart

* add todo

* fork choice in blocks when exiting sync

* readd finalized state root to requests

* successful build

* revert blockchain config

* old config reversion

* initial sync tests pass

* initial sync full test works

* lint

* use the new block processing api

* new proto defs

* init sync functions again

* remove sync polling

* tests fixed

* fixed catching up with chain

* tests pass

* spacing

* lint

* goimports

* add changes

* add lock and conditional to prevent multiple goroutines

* make reg sync synchronous

* add

* fixed the parent block issue

* fix errors in chain service

* tests pass

* check nil block

* typo

* fix nil state

* merge & conflicts

* revert synchronus reg sync

* add more spans to state db

* fix lint

* lint
2019-04-03 10:13:19 -05:00

116 lines
2.8 KiB
Go

package sync
import (
"context"
"github.com/prysmaticlabs/prysm/beacon-chain/db"
"github.com/prysmaticlabs/prysm/beacon-chain/operations"
initialsync "github.com/prysmaticlabs/prysm/beacon-chain/sync/initial-sync"
"github.com/sirupsen/logrus"
)
var slog = logrus.WithField("prefix", "sync")
// Service defines the main routines used in the sync service.
type Service struct {
RegularSync *RegularSync
InitialSync *initialsync.InitialSync
Querier *Querier
}
// Config defines the configured services required for sync to work.
type Config struct {
ChainService chainService
BeaconDB *db.BeaconDB
P2P p2pAPI
AttsService attsService
OperationService operations.OperationFeeds
PowChainService powChainService
}
// NewSyncService creates a new instance of SyncService using the config
// given.
func NewSyncService(ctx context.Context, cfg *Config) *Service {
sqCfg := DefaultQuerierConfig()
sqCfg.BeaconDB = cfg.BeaconDB
sqCfg.P2P = cfg.P2P
sqCfg.PowChain = cfg.PowChainService
sqCfg.ChainService = cfg.ChainService
isCfg := initialsync.DefaultConfig()
isCfg.BeaconDB = cfg.BeaconDB
isCfg.P2P = cfg.P2P
isCfg.PowChain = cfg.PowChainService
isCfg.ChainService = cfg.ChainService
rsCfg := DefaultRegularSyncConfig()
rsCfg.ChainService = cfg.ChainService
rsCfg.BeaconDB = cfg.BeaconDB
rsCfg.P2P = cfg.P2P
rsCfg.AttsService = cfg.AttsService
rsCfg.OperationService = cfg.OperationService
sq := NewQuerierService(ctx, sqCfg)
rs := NewRegularSyncService(ctx, rsCfg)
isCfg.SyncService = rs
is := initialsync.NewInitialSyncService(ctx, isCfg)
return &Service{
RegularSync: rs,
InitialSync: is,
Querier: sq,
}
}
// Start kicks off the sync service
func (ss *Service) Start() {
slog.Info("Starting service")
go ss.run()
}
// Stop ends all the currently running routines
// which are part of the sync service.
func (ss *Service) Stop() error {
err := ss.Querier.Stop()
if err != nil {
return err
}
err = ss.InitialSync.Stop()
if err != nil {
return err
}
return ss.RegularSync.Stop()
}
// Status checks the status of the node. It returns nil if it's synced
// with the rest of the network and no errors occurred. Otherwise, it returns an error.
func (ss *Service) Status() error {
synced, err := ss.Querier.IsSynced()
if !synced && err != nil {
return err
}
return nil
}
func (ss *Service) run() {
ss.Querier.Start()
synced, err := ss.Querier.IsSynced()
if err != nil {
slog.Fatalf("Unable to retrieve result from sync querier %v", err)
}
if synced {
ss.RegularSync.Start()
return
}
// Sets the highest observed slot from querier.
ss.InitialSync.InitializeObservedSlot(ss.Querier.currentHeadSlot)
// Sets the state root of the highest observed slot.
ss.InitialSync.InitializeFinalizedStateRoot(ss.Querier.currentFinalizedStateRoot)
ss.InitialSync.Start()
}