code: func (r *Receipt) EncodeRLP(w io.Writer) error {
  	return rlp.Encode(w, &receiptRLP{r.statusEncoding(), r.CumulativeGasUsed, r.Bloom, r.Logs})
  }
docs: // EncodeRLP implements rlp.Encoder, and flattens the consensus fields of a receipt
  // into an RLP stream. If no post state is present, byzantium fork is assumed.