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Update cmd.go

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maradini77 2025-10-04 18:38:43 +02:00 committed by GitHub
parent 1e4b39ed12
commit e58d572a80
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31
cmd/utils/cmd.go
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@ -537,37 +537,6 @@ func ImportPreimages(db ethdb.Database, fn string) error {
return nil
}
// ExportPreimages exports all known hash preimages into the specified file,
// truncating any data already present in the file.
// It's a part of the deprecated functionality, should be removed in the future.
func ExportPreimages(db ethdb.Database, fn string) error {
log.Info("Exporting preimages", "file", fn)
// Open the file handle and potentially wrap with a gzip stream
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
return err
}
defer fh.Close()
var writer io.Writer = fh
if strings.HasSuffix(fn, ".gz") {
writer = gzip.NewWriter(writer)
defer writer.(*gzip.Writer).Close()
}
// Iterate over the preimages and export them
it := db.NewIterator([]byte("secure-key-"), nil)
defer it.Release()
for it.Next() {
if err := rlp.Encode(writer, it.Value()); err != nil {
return err
}
}
log.Info("Exported preimages", "file", fn)
return nil
}
// StateIterator is a temporary structure for traversing state in order. It serves
// as an aggregator for both path scheme and hash scheme implementations and should
// be removed once the hash scheme is fully deprecated.