As soon as migration required changes in memory, we
need bigger scope. Otherwise in requires two step migration
which is unpleasant and annoying.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Processing contract deployed in main chain and processes
multi signature invocations of NeoFS contract by
verifying multi signature and paying for it.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>