Validators: Revocation

[ashcherbakov]

Support the following commands:

• https://github.com/zigbee-alliance/distributed-compliance-ledger/blob/master/docs/transactions.md#remove_validator_node
• https://github.com/zigbee-alliance/distributed-compliance-ledger/blob/master/docs/transactions.md#propose_remove_validator_node
• https://github.com/zigbee-alliance/distributed-compliance-ledger/blob/master/docs/transactions.md#approve_remove_validator_node
• https://github.com/zigbee-alliance/distributed-compliance-ledger/blob/master/docs/transactions.md#unjail_validator_node

Follow instructions from How To Make Changes in Data Model for Existing Modules and How To Add a new Module.

[DenisRybas]

Everything will be implemented as described in ticket (using instructions from How To Make Changes in Data Model for Existing Modules and How To Add a new Module) and docs, but there will be some changes:

1. The changes for unjail_validator_node:
   • unjail_validator_node will be renamed to enable_validator_node
   • required role Trustee will be changed to NodeAdmin;owner
2. The changes for remove_validator_node, propose_remove_validator_node, approve_remove_validator_node:
   • will be renamed to disable_validator_node, propose_disable_validator_node, approve_disable_validator_node

The docs will be changed in accordance with what is described above

[abdulla-ashurov]

Everything will be implemented as described in ticket (using instructions from How To Make Changes in Data Model for Existing Modules and How To Add a new Module) and docs, but there will be some changes:

1. The changes for unjail_validator_node:

• unjail_validator_node will be renamed to enable_node

• required role Trustee will be changed to NodeAdmin;owner

2. The changes for remove_validator_node, propose_remove_validator_node, approve_remove_validator_node:
   will be renamed to disable_node, propose_disable_node, approve_disable_node

3. Add unit and integration tests for checking owner NodeAdmin can not add second a new Validator when owner NodeAdmin's validator was disabled.

The docs will be changed in accordance with what is described above

Corresponding PRs:

• Issue-41 #321

• Add new unit and CLI, REST API, gRPC integration tests for vendor #336