def update_token_state(self, txn, request, is_committed=False):
for utxo in txn[TXN_PAYLOAD][TXN_PAYLOAD_DATA][INPUTS]:
TokenStaticHelper.spend_input(state=self.token_state,
utxo_cache=self.utxo_cache,
address=utxo[ADDRESS],
seq_no=utxo[SEQNO],
is_committed=is_committed)
seq_no = get_seq_no(txn)
for output in txn[TXN_PAYLOAD][TXN_PAYLOAD_DATA][OUTPUTS]:
TokenStaticHelper.add_new_output(state=self.token_state,
utxo_cache=self.utxo_cache,
output=Output(
output[ADDRESS], seq_no,
output[AMOUNT]),
is_committed=is_committed)
def update_state(self, txn, prev_result, request, is_committed=False):
try:
payload = get_payload_data(txn)
for inp in payload[INPUTS]:
TokenStaticHelper.spend_input(self.state,
self.utxo_cache,
inp["address"],
inp["seqNo"],
is_committed=is_committed)
for output in payload[OUTPUTS]:
seq_no = get_seq_no(txn)
TokenStaticHelper.add_new_output(self.state,
self.utxo_cache,
Output(
output["address"], seq_no,
output["amount"]),
is_committed=is_committed)
except UTXOError as ex:
error = 'Exception {} while updating state'.format(ex)
raise OperationError(error)