def _apply_proposal(self, pubkey, config_proposal_data, state):
config_proposal = ConfigProposal()
config_proposal.ParseFromString(config_proposal_data)
proposal_id = hashlib.sha256(config_proposal_data).hexdigest()
approval_threshold = _get_approval_threshold(state)
_validate_setting(config_proposal.setting, config_proposal.value)
if approval_threshold >= 1:
config_candidates = _get_config_candidates(state)
existing_candidate = _first(
config_candidates.candidates,
lambda candidate: candidate.proposal_id == proposal_id)
if existing_candidate is not None:
raise InvalidTransaction('Duplicate proposal for {}'.format(
config_proposal.setting))
record = ConfigCandidate.VoteRecord(public_key=pubkey,
vote=ConfigVote.ACCEPT)
config_candidates.candidates.add(proposal_id=proposal_id,
proposal=config_proposal,
votes=[record])
LOGGER.debug('Proposal made to set %s to %s',
config_proposal.setting, config_proposal.value)
_save_config_candidates(state, config_candidates)
else:
_set_config_value(state, config_proposal.setting,
config_proposal.value)
def _apply_noauth_config(self, pubkey, config_payload, state):
if config_payload.action == ConfigPayload.PROPOSE:
config_proposal = ConfigProposal()
config_proposal.ParseFromString(config_payload.data)
_validate_setting(config_proposal.setting, config_proposal.value)
_set_config_value(state, config_proposal.setting,
config_proposal.value)
else:
raise InvalidTransaction("'action' must be PROPOSE in 'None' mode")
