def _process(cls, block, is_initial_sync=False):
"""Process a single block. Assumes a trx is open."""
#pylint: disable=too-many-branches
num = cls._push(block)
date = block['timestamp']
account_names = set()
json_ops = []
for tx_idx, tx in enumerate(block['transactions']):
for operation in tx['operations']:
op_type = operation['type']
op = operation['value']
# account ops
if op_type == 'pow_operation':
account_names.add(op['worker_account'])
elif op_type == 'pow2_operation':
account_names.add(
op['work']['value']['input']['worker_account'])
elif op_type == 'account_create_operation':
account_names.add(op['new_account_name'])
elif op_type == 'account_create_with_delegation_operation':
account_names.add(op['new_account_name'])
elif op_type == 'create_claimed_account_operation':
account_names.add(op['new_account_name'])
# account metadata updates
elif op_type == 'account_update_operation':
if not is_initial_sync:
Accounts.dirty(op['account']) # full
elif op_type == 'account_update2_operation':
if not is_initial_sync:
Accounts.dirty(op['account']) # full
# post ops
elif op_type == 'comment_operation':
Posts.comment_op(op, date)
if not is_initial_sync:
Accounts.dirty(op['author']) # lite - stats
elif op_type == 'delete_comment_operation':
Posts.delete_op(op)
elif op_type == 'vote_operation':
if not is_initial_sync:
Accounts.dirty(op['author']) # lite - rep
Accounts.dirty(op['voter']) # lite - stats
CachedPost.vote(op['author'], op['permlink'], None,
op['voter'])
# misc ops
elif op_type == 'transfer_operation':
Payments.op_transfer(op, tx_idx, num, date)
elif op_type == 'custom_json_operation':
json_ops.append(op)
Accounts.register(account_names, date) # register any new names
CustomOp.process_ops(json_ops, num,
date) # follow/reblog/community ops
return num
def _process(cls, block):
"""Process a single block. Assumes a trx is open."""
#pylint: disable=too-many-branches
assert issubclass(type(block), Block)
num = cls._push(block)
cls._current_block_date = block.get_date()
# head block date shall point to last imported block (not yet current one) to conform hived behavior.
# that's why operations processed by node are included in the block being currently produced, so its processing time is equal to last produced block.
# unfortunately it is not true to all operations, most likely in case of dates that used to come from
# FatNode where it supplemented it with its-current head block, since it was already past block processing,
# it saw later block (equal to _current_block_date here)
if cls._head_block_date is None:
cls._head_block_date = cls._current_block_date
ineffective_deleted_ops = Blocks.prepare_vops(
Posts.comment_payout_ops, block, cls._current_block_date, num,
num <= cls._last_safe_cashout_block)
json_ops = []
for transaction in block.get_next_transaction():
assert issubclass(type(transaction), Transaction)
for operation in transaction.get_next_operation():
assert issubclass(type(operation), Operation)
start = OPSM.start()
op_type = operation.get_type()
assert op_type, "Only supported types are expected"
op = operation.get_body()
assert 'block_num' not in op
op['block_num'] = num
account_name = None
op_details = None
potentially_new_account = False
# account ops
if op_type == OperationType.Pow:
account_name = op['worker_account']
potentially_new_account = True
elif op_type == OperationType.Pow2:
account_name = op['work']['value']['input'][
'worker_account']
potentially_new_account = True
elif op_type == OperationType.AccountCreate:
account_name = op['new_account_name']
op_details = op
potentially_new_account = True
elif op_type == OperationType.AccountCreateWithDelegation:
account_name = op['new_account_name']
op_details = op
potentially_new_account = True
elif op_type == OperationType.CreateClaimedAccount:
account_name = op['new_account_name']
op_details = op
potentially_new_account = True
if potentially_new_account and not Accounts.register(
account_name, op_details, cls._head_block_date, num):
log.error(
"Failed to register account {} from operation: {}".
format(account_name, op))
# account metadata updates
if op_type == OperationType.AccountUpdate:
Accounts.update_op(op, False)
elif op_type == OperationType.AccountUpdate2:
Accounts.update_op(op, True)
# post ops
elif op_type == OperationType.Comment:
Posts.comment_op(op, cls._head_block_date)
elif op_type == OperationType.DeleteComment:
key = "{}/{}".format(op['author'], op['permlink'])
if key not in ineffective_deleted_ops:
Posts.delete_op(op, cls._head_block_date)
elif op_type == OperationType.CommentOption:
Posts.comment_options_op(op)
elif op_type == OperationType.Vote:
Votes.vote_op(op, cls._head_block_date)
# misc ops
elif op_type == OperationType.Transfer:
Payments.op_transfer(op, transaction.get_id(), num,
cls._head_block_date)
elif op_type == OperationType.CustomJson: # follow/reblog/community ops
CustomOp.process_op(op, num, cls._head_block_date)
OPSM.op_stats(str(op_type), OPSM.stop(start))
cls._head_block_date = cls._current_block_date
return num
