def msg_block_headers(self, msg: BlockHeadersEthProtocolMessage):
if not self.node.should_process_block_hash():
return
block_headers = msg.get_block_headers()
if self.pending_new_block_parts.contents and len(block_headers) == 1:
header_bytes = msg.get_block_headers_bytes()[0]
block_hash_bytes = eth_common_utils.keccak_hash(header_bytes)
block_hash = Sha256Hash(block_hash_bytes)
if block_hash in self.pending_new_block_parts.contents:
logger.debug("Received block header for new block {}",
convert.bytes_to_hex(block_hash.binary))
self.pending_new_block_parts.contents[
block_hash].block_header_bytes = header_bytes
self._check_pending_new_block(block_hash)
self._process_ready_new_blocks()
return
if len(block_headers) > 0:
block_hashes = [blk.hash_object() for blk in block_headers]
block_hashes.insert(0, Sha256Hash(block_headers[0].prev_hash))
self.node.block_cleanup_service.mark_blocks_and_request_cleanup(
block_hashes)
latest_block_number = 0
latest_block_difficulty = 0
block_queuing_service = self.node.block_queuing_service_manager.get_block_queuing_service(
self.connection)
if block_queuing_service is not None:
for block_header in block_headers:
block_queuing_service.mark_block_seen_by_blockchain_node(
block_header.hash_object(), None, block_header.number)
if block_header.number > latest_block_number:
latest_block_number = block_header.number
latest_block_difficulty = block_header.difficulty
self.node.block_processing_service.set_last_confirmed_block_parameters(
latest_block_number, latest_block_difficulty)
def msg_block_headers(self, msg: BlockHeadersEthProtocolMessage):
if not self.node.should_process_block_hash():
return
block_headers = msg.get_block_headers()
if self._pending_new_blocks_parts.contents and len(block_headers) == 1:
header_bytes = msg.get_block_headers_bytes()[0]
block_hash_bytes = eth_common_utils.keccak_hash(header_bytes)
block_hash = Sha256Hash(block_hash_bytes)
if block_hash in self._pending_new_blocks_parts.contents:
logger.debug("Received block header for new block {}", convert.bytes_to_hex(block_hash.binary))
self._pending_new_blocks_parts.contents[block_hash].block_header_bytes = header_bytes
self._check_pending_new_block(block_hash)
self._process_ready_new_blocks()
return
if len(block_headers) > 0:
block_hashes = [blk.hash_object() for blk in block_headers]
block_hashes.insert(0, Sha256Hash(block_headers[0].prev_hash))
self.node.block_cleanup_service.mark_blocks_and_request_cleanup(block_hashes)
self.node.block_queuing_service.mark_blocks_seen_by_blockchain_node(block_hashes)