In updated audit scheme, contract stores marshalled audit
result structure and provides interface to list them by
epoch, container or exact audit executor.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Sidechain contracts include alphabet contracts for governance
and audit, balance, container, neofsid, netmap, reputation
contracts.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>