def post_request_stream(self, name, request, response):
logging.info(f"GOSSIP POST REQUEST STREAM: {name}({hexify(request)})")
if name == "StreamLatestMessages":
if self.equivocating_block:
b = self.equivocating_block
logging.info(
f"GOSSIP POST REQUEST STREAM: SENDING FAKE Justification with latest_block_hash ({b.block_hash.hex()}):"
f" {self.equivocating_block_justification}")
yield self.equivocating_block_justification
return
if name == "GetBlockChunked":
if self.equivocating_block:
logging.info(
f"GOSSIP POST REQUEST STREAM: GetBlockChunked: sending FAKE block"
)
for chunk in block_to_chunks(self.equivocating_block):
yield chunk
return
else:
logging.info(
f"GOSSIP POST REQUEST STREAM: Save block and generate equivocating one"
)
response = [r for r in response]
self.last_block = block_from_chunks(response)
self.equivocating_block = self.modify_to_equivocate(
block_from_chunks(response))
self.equivocating_block_summary = block_summary(
self.equivocating_block)
self.equivocating_block_justification = block_justification(
self.equivocating_block)
logging.info(
f"GOSSIP POST REQUEST STREAM: Equivocating block hash: {self.equivocating_block.block_hash.hex()}"
)
for r in response:
logging.info(
f"GOSSIP POST REQUEST STREAM: {name} => {hexify(r)[:100]}...")
yield r
def post_request_stream(self, name, request, response):
logging.debug(f"GOSSIP POST REQUEST STREAM: {name}({hexify(request)})")
if name == "GetBlockChunked":
block = block_from_chunks(response)
# Remove approvals from first deploy in the block.
del block.body.deploys[0].deploy.approvals[:]
private_key = base64.b64decode(self.node.config.node_private_key)
update_hashes_and_signature(block, private_key)
response = block_to_chunks(block)
for r in response:
logging.debug(f"GOSSIP POST REQUEST STREAM: {name} => {hexify(r)}")
yield r