def validate_persist_block(self,
block: BamiBlock,
peer: Peer = None) -> bool:
"""
Validate a block and if it's valid, persist it.
Raises:
InvalidBlockException - if block is not valid
"""
block = (BamiBlock.unpack(block, self.serializer)
if type(block) is bytes else block)
block_blob = block if type(block) is bytes else block.pack()
if not block.block_invariants_valid():
# React on invalid block
raise InvalidBlockException("Block invalid", str(block), peer)
else:
if not self.persistence.has_block(block.hash):
self.process_block_unordered(block, peer)
chain_id = block.com_id
prefix = block.com_prefix
if (self.persistence.get_chain(prefix + chain_id)
and self.persistence.get_chain(prefix +
chain_id).versions.get(
block.com_seq_num)
and block.short_hash in self.persistence.get_chain(
prefix + chain_id).versions[block.com_seq_num]):
raise Exception(
"Inconsisistency between block store and chain store",
self.persistence.get_chain(prefix + chain_id).versions,
block.com_dot,
)
self.persistence.add_block(block_blob, block)
def insert_to_chain_or_blk_store(
chain_obj: Union[BaseChain, BaseDB], blk: BamiBlock, personal_chain: bool = True,
):
if isinstance(chain_obj, BaseChain):
yield from insert_to_chain(chain_obj, blk, personal_chain)
else:
yield chain_obj.add_block(blk.pack(), blk)