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block_process.go
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block_process.go
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package chainmgr
import (
"sync"
log "github.com/sirupsen/logrus"
"github.com/vapor/errors"
"github.com/vapor/netsync/peers"
"github.com/vapor/p2p/security"
)
var errOrphanBlock = errors.New("fast sync inserting orphan block")
type BlockProcessor interface {
process(chan struct{}, chan struct{}, uint64, *sync.WaitGroup)
}
type blockProcessor struct {
chain Chain
storage Storage
peers *peers.PeerSet
}
func newBlockProcessor(chain Chain, storage Storage, peers *peers.PeerSet) *blockProcessor {
return &blockProcessor{
chain: chain,
peers: peers,
storage: storage,
}
}
func (bp *blockProcessor) insert(blockStorage *blockStorage) error {
isOrphan, err := bp.chain.ProcessBlock(blockStorage.block)
if isOrphan {
bp.peers.ProcessIllegal(blockStorage.peerID, security.LevelMsgIllegal, errOrphanBlock.Error())
return errOrphanBlock
}
if err != nil {
bp.peers.ProcessIllegal(blockStorage.peerID, security.LevelMsgIllegal, err.Error())
}
return err
}
func (bp *blockProcessor) process(downloadNotifyCh chan struct{}, ProcessStop chan struct{}, syncHeight uint64, wg *sync.WaitGroup) {
defer func() {
close(ProcessStop)
wg.Done()
}()
for {
for {
block, err := bp.storage.readBlock(syncHeight)
if err != nil {
break
}
if err := bp.insert(block); err != nil {
log.WithFields(log.Fields{"module": logModule, "err": err}).Error("failed on process block")
return
}
bp.storage.deleteBlock(syncHeight)
syncHeight++
}
if _, ok := <-downloadNotifyCh; !ok {
return
}
}
}