code: func (p *peer) ReplyBlockBodiesRLP(reqID uint64, bodies []rlp.RawValue) *reply {
  	data, _ := rlp.EncodeToBytes(bodies)
  	return &reply{p.rw, BlockBodiesMsg, reqID, data}
  }
docs: // ReplyBlockBodiesRLP creates a reply with a batch of block contents from
  // an already RLP encoded format.