* Update frostfs-contract package version in go.mod.
* Extend MorphRuleChainStorage interface with ListTargetsIterator and
introduce its implementation.
* Check targets in inmemory implementation unit-tests.
Signed-off-by: Airat Arifullin <aarifullin@yadro.com>
* Make changing state methods like AddMorphRuleChain,
RemoveMorphRuleChain return transaction hash and VUB.
Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
