hhsel

Panic randomly occurs on node shutdown, leading to unclean shutdown

1

#### Expected behaviour Panic should not happen on normal node shutdown. #### Actual behaviour `panic: sync: WaitGroup is reused before previous Wait has returned` randomly happens on node shutdown, leading...

Memory usage of non-validator nodes grows indefinitely, leading to OOM and unclean shutdown

1

#### Expected behaviour When running a QBFT cluster, memory usage should stay within a moderate value range as long as the cluster is not busy. #### Actual behaviour Memory usage...