Neo Legacy used migration mechanism to update contracts.
N3 provides update method in native management contract.
Therefore, it makes sense to rename `Migrate` to `Update`.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
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>
For committee operations in side chain we can't use 5\7 multi
address, instead we should use 4\7 for this case.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Delete initializing of R/W context in `init()`
and start using readonly storage context in
methods where it is possible.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Change []byte type to interop.*aliasName*
types in contracts where it is suitable to
improve the readability of the contracts.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Proxy contract used by notary contract as a main tx
payment provider. `Verify` function verifies if
main tx contains multisig of 5\7 inner ring
nodes. If so, then contract pays for transaction.
This is easier than support multisig wallet with
GAS assets, because inner ring can change, therefore
multisig wallet can change periodically.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>