pub(in message_pool) fn remove_from_selected_msgs(
from: &Address,
sequence: u64,
rmsgs: &mut HashMap<Address, HashMap<u64, SignedMessage>>,
)pub(in message_pool) fn remove_from_selected_msgs(
from: &Address,
sequence: u64,
rmsgs: &mut HashMap<Address, HashMap<u64, SignedMessage>>,
)