[scratchpad] lock the whole family while changing the family tree
[scratchpad] lock the whole family while changing the family tree

aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core