code: func WriteBodyRLP(db ethdb.Writer, hash common.Hash, number uint64, rlp rlp.RawValue) {
  	if err := db.Put(blockBodyKey(number, hash), rlp); err != nil {
  		log.Crit("Failed to store block body", "err", err)
  	}
  }
docs: // WriteBodyRLP stores an RLP encoded block body into the database.