def _create_config_txn(pubkey, signing_key, setting_key_value):
"""Creates an individual sawtooth_config transaction for the given key and
value.
"""
setting_key = setting_key_value[0]
setting_value = setting_key_value[1]
nonce = str(datetime.datetime.utcnow().timestamp())
proposal = ConfigProposal(setting=setting_key,
value=setting_value,
nonce=nonce)
payload = ConfigPayload(data=proposal.SerializeToString(),
action=ConfigPayload.PROPOSE).SerializeToString()
header = TransactionHeader(
signer_pubkey=pubkey,
family_name='sawtooth_config',
family_version='1.0',
inputs=_config_inputs(setting_key),
outputs=_config_outputs(setting_key),
dependencies=[],
payload_encoding='application/protobuf',
payload_sha512=hashlib.sha512(payload).hexdigest(),
batcher_pubkey=pubkey).SerializeToString()
signature = signing.sign(header, signing_key)
return Transaction(header=header,
header_signature=signature,
payload=payload)
def _create_propose_txn(pubkey, signing_key, setting_key_value):
"""Creates an individual sawtooth_config transaction for the given key and
value.
"""
setting_key, setting_value = setting_key_value
nonce = str(datetime.datetime.utcnow().timestamp())
proposal = ConfigProposal(setting=setting_key,
value=setting_value,
nonce=nonce)
payload = ConfigPayload(data=proposal.SerializeToString(),
action=ConfigPayload.PROPOSE)
return _make_txn(pubkey, signing_key, setting_key, payload)
def _create_vote_txn(pubkey, signing_key, proposal_id, setting_key,
vote_value):
"""Creates an individual sawtooth_config transaction for voting on a
proposal for a particular setting key.
"""
if vote_value == 'accept':
vote_id = ConfigVote.ACCEPT
else:
vote_id = ConfigVote.REJECT
vote = ConfigVote(proposal_id=proposal_id, vote=vote_id)
payload = ConfigPayload(data=vote.SerializeToString(),
action=ConfigPayload.VOTE)
return _make_txn(pubkey, signing_key, setting_key, payload)