// Validate Entry Block by merkle root
func validateEBlockByMR(cid *common.Hash, mr *common.Hash) error {
eb, err := db.FetchEBlockByMR(mr)
if err != nil {
return err
}
if eb == nil {
return errors.New("Entry block not found in db for merkle root: " + mr.String())
}
keyMR, err := eb.KeyMR()
if err != nil {
return err
}
if !mr.IsSameAs(keyMR) {
return errors.New("Entry block's merkle root does not match with: " + mr.String())
}
for _, ebEntry := range eb.Body.EBEntries {
if !bytes.Equal(ebEntry.Bytes()[:31], common.ZERO_HASH[:31]) {
entry, _ := db.FetchEntryByHash(ebEntry)
if entry == nil {
return errors.New("Entry not found in db for entry hash: " + ebEntry.String())
}
} // Else ... we could do a bit more validation of the minute markers.
}
return nil
}