func (m *Ack) FollowerExecute(state interfaces.IState) error { acks := state.GetAcks() holding := state.GetHolding() msg := holding[m.MessageHash.Fixed()] if msg == nil { acks[m.GetHash().Fixed()] = m } else { processlist := state.GetProcessList()[m.ServerIndex] for len(processlist) < m.Height+1 { processlist = append(processlist, nil) } processlist[m.Height] = msg state.GetProcessList()[m.ServerIndex] = processlist delete(holding, m.MessageHash.Fixed()) } state.UpdateProcessLists() return nil }