Abstract base class for contracts that depend on other contracts whose addresses can change.
AddressUpdater contract keeps a list of addresses for all unique and special
platform contracts. By inheriting from
AddressUpdatable a contract will receive updates
if any of the platform contract addresses change.
A contract's address changes when it is redeployed, so
AddressUpdatable offers a way
to keep up to date with the latest address for all dependencies.
) public view returns (
Returns the configured address updater.
AddresUpdater contract that can update our contract address list, as a response to a governance call.