prysm-pulse/tools/pcli/main.go
Victor Farazdagi d169b490fa
Fix ineffectual assignments (#7403)
* update rpc/beacon
* more fixes to beacon-chain/rpc
* update beacon-chain/sync
* Merge refs/heads/master into fix-ineffectual-assignments
* updates beacon-chain/p2p
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* update beacon-chain/*
* fix imports
* update beacon-chain/blockchain
* more updates
* Merge refs/heads/master into fix-ineffectual-assignments
* Merge branch 'master' into fix-ineffectual-assignments
* Merge refs/heads/master into fix-ineffectual-assignments
* next round of updated
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* wrap up remaining items
2020-10-01 18:53:36 +00:00

224 lines
6.1 KiB
Go

package main
import (
"bufio"
"context"
"fmt"
"io/ioutil"
"os"
"regexp"
"strings"
"github.com/kr/pretty"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/go-ssz"
"github.com/prysmaticlabs/prysm/beacon-chain/core/state"
stateTrie "github.com/prysmaticlabs/prysm/beacon-chain/state"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/version"
log "github.com/sirupsen/logrus"
"github.com/urfave/cli/v2"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
"gopkg.in/d4l3k/messagediff.v1"
)
func main() {
var blockPath string
var preStatePath string
var expectedPostStatePath string
var sszPath string
var sszType string
customFormatter := new(prefixed.TextFormatter)
customFormatter.TimestampFormat = "2006-01-02 15:04:05"
customFormatter.FullTimestamp = true
log.SetFormatter(customFormatter)
app := cli.App{}
app.Name = "pcli"
app.Usage = "A command line utility to run eth2 specific commands"
app.Version = version.GetVersion()
app.Commands = []*cli.Command{
{
Name: "pretty",
Aliases: []string{"p"},
Usage: "pretty-print SSZ data",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "ssz-path",
Usage: "Path to file(ssz)",
Required: true,
Destination: &sszPath,
},
&cli.StringFlag{
Name: "data-type",
Usage: "ssz file data type: " +
"block|" +
"signed_block|" +
"attestation|" +
"block_header|" +
"deposit|" +
"proposer_slashing|" +
"signed_block_header|" +
"signed_voluntary_exit|" +
"voluntary_exit|" +
"state",
Required: true,
Destination: &sszType,
},
},
Action: func(c *cli.Context) error {
var data interface{}
switch sszType {
case "block":
data = &ethpb.BeaconBlock{}
case "signed_block":
data = &ethpb.SignedBeaconBlock{}
case "attestation":
data = &ethpb.Attestation{}
case "block_header":
data = &ethpb.BeaconBlockHeader{}
case "deposit":
data = &ethpb.Deposit{}
case "proposer_slashing":
data = &ethpb.ProposerSlashing{}
case "signed_block_header":
data = &ethpb.SignedBeaconBlockHeader{}
case "signed_voluntary_exit":
data = &ethpb.SignedVoluntaryExit{}
case "voluntary_exit":
data = &ethpb.VoluntaryExit{}
case "state":
data = &pb.BeaconState{}
default:
log.Fatal("Invalid type")
}
prettyPrint(sszPath, data)
return nil
},
},
{
Name: "state-transition",
Category: "state-transition",
Usage: "Subcommand to run manual state transitions",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "block-path",
Usage: "Path to block file(ssz)",
Destination: &blockPath,
},
&cli.StringFlag{
Name: "pre-state-path",
Usage: "Path to pre state file(ssz)",
Destination: &preStatePath,
},
&cli.StringFlag{
Name: "expected-post-state-path",
Usage: "Path to expected post state file(ssz)",
Destination: &expectedPostStatePath,
},
},
Action: func(c *cli.Context) error {
if blockPath == "" {
log.Info("Block path not provided for state transition. " +
"Please provide path")
reader := bufio.NewReader(os.Stdin)
text, err := reader.ReadString('\n')
if err != nil {
log.Fatal(err)
}
if text = strings.ReplaceAll(text, "\n", ""); text == "" {
log.Fatal("Empty block path given")
}
blockPath = text
}
block := &ethpb.SignedBeaconBlock{}
if err := dataFetcher(blockPath, block); err != nil {
log.Fatal(err)
}
blkRoot, err := block.Block.HashTreeRoot()
if err != nil {
log.Fatal(err)
}
if preStatePath == "" {
log.Info("Pre State path not provided for state transition. " +
"Please provide path")
reader := bufio.NewReader(os.Stdin)
text, err := reader.ReadString('\n')
if err != nil {
log.Fatal(err)
}
if text = strings.ReplaceAll(text, "\n", ""); text == "" {
log.Fatal("Empty state path given")
}
preStatePath = text
}
preState := &pb.BeaconState{}
if err := dataFetcher(preStatePath, preState); err != nil {
log.Fatal(err)
}
stateObj, err := stateTrie.InitializeFromProto(preState)
if err != nil {
log.Fatal(err)
}
preStateRoot, err := stateObj.HashTreeRoot(context.Background())
if err != nil {
log.Fatal(err)
}
log.WithFields(log.Fields{
"blockSlot": fmt.Sprintf("%d", block.Block.Slot),
"preStateSlot": fmt.Sprintf("%d", stateObj.Slot()),
}).Infof(
"Performing state transition with a block root of %#x and pre state root of %#x",
blkRoot,
preStateRoot,
)
postState, err := state.ExecuteStateTransition(context.Background(), stateObj, block)
if err != nil {
log.Fatal(err)
}
postRoot, err := postState.HashTreeRoot(context.Background())
if err != nil {
log.Fatal(err)
}
log.Infof("Finished state transition with post state root of %#x", postRoot)
// Diff the state if a post state is provided.
if expectedPostStatePath != "" {
expectedState := &pb.BeaconState{}
if err := dataFetcher(expectedPostStatePath, expectedState); err != nil {
log.Fatal(err)
}
if !ssz.DeepEqual(expectedState, postState.InnerStateUnsafe()) {
diff, _ := messagediff.PrettyDiff(expectedState, postState.InnerStateUnsafe())
log.Errorf("Derived state differs from provided post state: %s", diff)
}
}
return nil
},
},
}
if err := app.Run(os.Args); err != nil {
log.Error(err.Error())
os.Exit(1)
}
}
// dataFetcher fetches and unmarshals data from file to provided data structure.
func dataFetcher(fPath string, data interface{}) error {
rawFile, err := ioutil.ReadFile(fPath)
if err != nil {
return err
}
return ssz.Unmarshal(rawFile, data)
}
func prettyPrint(sszPath string, data interface{}) {
if err := dataFetcher(sszPath, data); err != nil {
log.Fatal(err)
}
str := pretty.Sprint(data)
re := regexp.MustCompile("(?m)[\r\n]+^.*XXX_.*$")
str = re.ReplaceAllString(str, "")
fmt.Print(str)
}