mirror of
https://github.com/OffchainLabs/prysm.git
synced 2026-01-09 13:28:01 -05:00
d4c954648c
* write file and mkdirall analyzers * include analyzer in build bazel * comments to the single entrypoint and fix validator references * enforce 600 for files, 700 for dirs * pass validator tests * add to nogo * remove references * beaconfuzz * docker img * fix up kv issue * mkdir if not exists * radek comments * final comments * Try to fix file problem Co-authored-by: Ivan Martinez <ivanthegreatdev@gmail.com>
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/prysmaticlabs/prysm/beacon-chain/cache"
|
|
"github.com/prysmaticlabs/prysm/beacon-chain/db"
|
|
"github.com/prysmaticlabs/prysm/shared/fileutil"
|
|
)
|
|
|
|
// A basic tool to extract genesis.ssz from existing beaconchain.db.
|
|
// ex:
|
|
// bazel run //tools/interop/export-genesis:export-genesis -- /tmp/data/beaconchaindata /tmp/genesis.ssz
|
|
func main() {
|
|
if len(os.Args) < 3 {
|
|
fmt.Println("Usage: ./main /path/to/datadir /path/to/output/genesis.ssz")
|
|
os.Exit(1)
|
|
}
|
|
|
|
fmt.Printf("Reading db at %s and writing ssz output to %s.\n", os.Args[1], os.Args[2])
|
|
|
|
d, err := db.NewDB(os.Args[1], cache.NewStateSummaryCache())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer func() {
|
|
if err := d.Close(); err != nil {
|
|
panic(err)
|
|
}
|
|
}()
|
|
gs, err := d.GenesisState(context.Background())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if gs == nil {
|
|
panic("nil genesis state")
|
|
}
|
|
b, err := gs.InnerStateUnsafe().MarshalSSZ()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if err := fileutil.WriteFile(os.Args[2], b); err != nil {
|
|
panic(err)
|
|
}
|
|
fmt.Println("done")
|
|
}
|