def from_signature_request_message(cls, message):
payload = message.payload
requester = message.authentication.signed_members[0]
responder = message.authentication.signed_members[1]
return cls(
(requester[1].public_key, responder[1].public_key, payload.up,
payload.down, payload.total_up_requester,
payload.total_down_requester, payload.sequence_number_requester,
payload.previous_hash_requester, requester[0],
sha256(
encode_block_requester_half(payload, requester[1].public_key,
responder[1].public_key,
requester[0])).digest(), 0, 0, -1,
EMPTY_HASH, "", EMPTY_HASH, None))
def from_block_response_message(cls, message, requester, responder):
payload = message.payload
return cls(
(requester.public_key, responder.public_key, payload.up,
payload.down, payload.total_up_requester,
payload.total_down_requester, payload.sequence_number_requester,
payload.previous_hash_requester, payload.signature_requester,
sha256(
encode_block_requester_half(
payload, payload.public_key_requester,
payload.public_key_responder,
payload.signature_requester)).digest(),
payload.total_up_responder, payload.total_down_responder,
payload.sequence_number_responder,
payload.previous_hash_responder, payload.signature_responder,
sha256(encode_block_crawl(payload)).digest(), None))