def initialize_block(self, previous_id):
request = (
consensus_pb2.ConsensusInitializeBlockRequest(
previous_id=previous_id)
if previous_id
else consensus_pb2.ConsensusInitializeBlockRequest()
)
response_type = consensus_pb2.ConsensusInitializeBlockResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_INITIALIZE_BLOCK_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.INVALID_STATE:
raise exceptions.InvalidState(
'Cannot initialize block in current state')
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
def get_state(self, block_id, addresses):
request = consensus_pb2.ConsensusStateGetRequest(
block_id=block_id,
addresses=addresses)
response_type = consensus_pb2.ConsensusStateGetResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_STATE_GET_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
return {
entry.address: entry.data
for entry in response.entries
}
def get_settings(self, block_id, settings):
request = consensus_pb2.ConsensusSettingsGetRequest(
block_id=block_id,
keys=settings)
response_type = consensus_pb2.ConsensusSettingsGetResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_SETTINGS_GET_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
return {
entry.key: entry.value
for entry in response.entries
}
def fail_block(self, block_id):
request = consensus_pb2.ConsensusFailBlockRequest(block_id=block_id)
response_type = consensus_pb2.ConsensusFailBlockResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_FAIL_BLOCK_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
def check_blocks(self, priority):
request = consensus_pb2.ConsensusCheckBlocksRequest(block_ids=priority)
response_type = consensus_pb2.ConsensusCheckBlocksResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_CHECK_BLOCKS_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
def get_blocks(self, block_ids):
request = consensus_pb2.ConsensusBlocksGetRequest(block_ids=block_ids)
response_type = consensus_pb2.ConsensusBlocksGetResponse
response = self._send(
request=request,
message_type=Message.CONSENSUS_BLOCKS_GET_REQUEST,
response_type=response_type)
status = response.status
if status == response_type.UNKNOWN_BLOCK:
raise exceptions.UnknownBlock()
if status != response_type.OK:
raise exceptions.ReceiveError(
'Failed with status {}'.format(status))
return {block.block_id: Block(block) for block in response.blocks}
