def create_block(signed_transactions: List["transaction_model.TransactionModel"]) -> l1_block_model.L1BlockModel:
# Get prior block hash and ID, and create new block with the fixated transactions
previous_proof = block_dao.get_last_block_proof()
block = l1_block_model.new_from_full_transactions(signed_transactions, previous_proof.get("block_id") or "", previous_proof.get("proof") or "")
_log.info(f"[L1] Next block created. Previous block hash: {previous_proof.get('proof')}, previous block ID: {previous_proof.get('block_id')}")
_log.info("[L1] Signing block")
sign_block(block)
return block
def get_next_block_info() -> Tuple[int, str]:
previous = block_dao.get_last_block_proof()
_log.info(f"[L4] Got previous block information: {previous}")
if not previous:
# Throws an exception if sanity check fails
shared_functions.sanity_check_empty_chain()
block_id = 1
prev_proof = ""
else:
block_id = int(previous["block_id"]) + 1
prev_proof = previous["proof"]
_log.info(f"[L4] Got previous block id, incremented current block id to {block_id}")
return block_id, prev_proof
def get_next_block_info() -> Tuple[int, str]:
_log.info("[L2] Creating L2 block")
previous_proof_dict = block_dao.get_last_block_proof()
_log.info(f"[L2] Got previous block proof: {previous_proof_dict}")
if not previous_proof_dict:
# Throws an exception if sanity check fails
shared_functions.sanity_check_empty_chain()
block_id = 1
prev_proof = ""
else:
block_id = int(previous_proof_dict["block_id"]) + 1
prev_proof = previous_proof_dict["proof"]
_log.info(
f"[L2] Got previous block id, incremented current block id to {block_id}"
)
return block_id, prev_proof