def load_proposal_rlp(self, blockhash):
        try:
            prlp = self.chainservice.db.get('blockproposal:%s' % blockhash)
            assert isinstance(prlp, bytes)
            return prlp
        except KeyError:
            return None
dataset/ETHPy150Open HydraChain/hydrachain/hydrachain/consensus/manager.py/ConsensusManager.load_proposal_rlp/original