/
import.go
248 lines (218 loc) · 6.18 KB
/
import.go
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package launcher
import (
"bytes"
"compress/gzip"
"errors"
"fmt"
"io"
"math"
"os"
"os/signal"
"path"
"strings"
"syscall"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
"github.com/status-im/keycard-go/hexutils"
"github.com/zilionixx/zilion-base/hash"
"github.com/zilionixx/zilion-base/inter/idx"
"github.com/zilionixx/zilion-base/kvdb"
"gopkg.in/urfave/cli.v1"
"github.com/zilionixx/go-zilionixx/gossip"
"github.com/zilionixx/go-zilionixx/gossip/emitter"
"github.com/zilionixx/go-zilionixx/integration"
"github.com/zilionixx/go-zilionixx/inter"
"github.com/zilionixx/go-zilionixx/utils/iodb"
"github.com/zilionixx/go-zilionixx/utils/ioread"
)
type restrictedEvmBatch struct {
kvdb.Batch
}
func (v *restrictedEvmBatch) Put(key []byte, value []byte) error {
if len(key) != 32 {
if !bytes.HasPrefix(key, []byte("secure-key-")) && !bytes.HasPrefix(key, []byte("c")) {
return errors.New("not expected prefix for EVM history dump")
}
}
return v.Batch.Put(key, value)
}
func importEvm(ctx *cli.Context) error {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an argument.")
}
cfg := makeAllConfigs(ctx)
rawProducer := integration.DBProducer(path.Join(cfg.Node.DataDir, "chaindata"), cacheScaler(ctx))
gdb, err := makeRawGossipStore(rawProducer, cfg)
if err != nil {
log.Crit("DB opening error", "datadir", cfg.Node.DataDir, "err", err)
}
defer gdb.Close()
for _, fn := range ctx.Args() {
log.Info("Importing EVM storage from file", "file", fn)
if err := importEvmFile(fn, gdb); err != nil {
log.Error("Import error", "file", fn, "err", err)
return err
}
log.Info("Imported EVM storage from file", "file", fn)
}
return nil
}
func importEvmFile(fn string, gdb *gossip.Store) error {
// Open the file handle and potentially unwrap the gzip stream
fh, err := os.Open(fn)
if err != nil {
return err
}
defer fh.Close()
var reader io.Reader = fh
if strings.HasSuffix(fn, ".gz") {
if reader, err = gzip.NewReader(reader); err != nil {
return err
}
defer reader.(*gzip.Reader).Close()
}
return iodb.Read(reader, &restrictedEvmBatch{gdb.EvmStore().EvmKvdbTable().NewBatch()})
}
func importEvents(ctx *cli.Context) error {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an argument.")
}
// avoid P2P interaction, API calls and events emitting
genesis := getZilionixxGenesis(ctx)
cfg := makeAllConfigs(ctx)
cfg.Zilionixx.Protocol.EventsSemaphoreLimit.Size = math.MaxUint32
cfg.Zilionixx.Protocol.EventsSemaphoreLimit.Num = math.MaxUint32
cfg.Zilionixx.Emitter.Validator = emitter.ValidatorConfig{}
cfg.Zilionixx.TxPool.Journal = ""
cfg.Node.IPCPath = ""
cfg.Node.HTTPHost = ""
cfg.Node.WSHost = ""
cfg.Node.NoUSB = true
cfg.Node.P2P.ListenAddr = ""
cfg.Node.P2P.NoDiscovery = true
cfg.Node.P2P.BootstrapNodes = nil
cfg.Node.P2P.DiscoveryV5 = false
cfg.Node.P2P.BootstrapNodesV5 = nil
cfg.Node.P2P.StaticNodes = nil
cfg.Node.P2P.TrustedNodes = nil
err := importEventsToNode(ctx, cfg, genesis, ctx.Args()...)
if err != nil {
return err
}
return nil
}
func importEventsToNode(ctx *cli.Context, cfg *config, genesis integration.InputGenesis, args ...string) error {
node, svc, nodeClose := makeNode(ctx, cfg, genesis)
defer nodeClose()
startNode(ctx, node)
for _, fn := range args {
log.Info("Importing events from file", "file", fn)
if err := importEventsFile(svc, fn); err != nil {
log.Error("Import error", "file", fn, "err", err)
return err
}
}
return nil
}
func checkEventsFileHeader(reader io.Reader) error {
headerAndVersion := make([]byte, len(eventsFileHeader)+len(eventsFileVersion))
err := ioread.ReadAll(reader, headerAndVersion)
if err != nil {
return err
}
if bytes.Compare(headerAndVersion[:len(eventsFileHeader)], eventsFileHeader) != 0 {
return errors.New("expected an events file, mismatched file header")
}
if bytes.Compare(headerAndVersion[len(eventsFileHeader):], eventsFileVersion) != 0 {
got := hexutils.BytesToHex(headerAndVersion[len(eventsFileHeader):])
expected := hexutils.BytesToHex(eventsFileVersion)
return errors.New(fmt.Sprintf("wrong version of events file, got=%s, expected=%s", got, expected))
}
return nil
}
func importEventsFile(srv *gossip.Service, fn string) error {
// Watch for Ctrl-C while the import is running.
// If a signal is received, the import will stop.
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
defer signal.Stop(interrupt)
// Open the file handle and potentially unwrap the gzip stream
fh, err := os.Open(fn)
if err != nil {
return err
}
defer fh.Close()
var reader io.Reader = fh
if strings.HasSuffix(fn, ".gz") {
if reader, err = gzip.NewReader(reader); err != nil {
return err
}
defer reader.(*gzip.Reader).Close()
}
// Check file version and header
if err := checkEventsFileHeader(reader); err != nil {
return err
}
stream := rlp.NewStream(reader, 0)
start := time.Now()
last := hash.Event{}
batch := make(inter.EventPayloads, 0, 8*1024)
batchSize := 0
maxBatchSize := 8 * 1024 * 1024
epoch := idx.Epoch(0)
txs := 0
events := 0
processBatch := func() error {
if batch.Len() == 0 {
return nil
}
done := make(chan struct{})
err := srv.DagProcessor().Enqueue("", batch.Bases(), true, nil, func() {
done <- struct{}{}
})
if err != nil {
return err
}
<-done
last = batch[batch.Len()-1].ID()
batch = batch[:0]
batchSize = 0
return nil
}
for {
select {
case <-interrupt:
return fmt.Errorf("interrupted")
default:
}
e := new(inter.EventPayload)
err = stream.Decode(e)
if err == io.EOF {
err = processBatch()
if err != nil {
return err
}
break
}
if err != nil {
return err
}
if e.Epoch() != epoch || batchSize >= maxBatchSize {
err = processBatch()
if err != nil {
return err
}
}
epoch = e.Epoch()
batch = append(batch, e)
batchSize += 1024 + e.Size()
txs += e.Txs().Len()
events++
}
srv.WaitBlockEnd()
log.Info("Events import is finished", "file", fn, "last", last.String(), "imported", events, "txs", txs, "elapsed", common.PrettyDuration(time.Since(start)))
return nil
}