The Digg Core is based on the Ampleforth system. At a smart contract level, it is composed of an Orchestrator, uFragmentsPolicy, and uFragments.
- Orchestrator: the entry point of the rebase actions, can forward notifications of the rebase to other contracts
- uFragmentsPolicy (i.e. SupplyPolicy): Consumes data from the Oracles, to determine the market value of Digg token. Has unique permission to inform the Digg token about this.
- uFragments: Core Digg token. Maintains balances / approval data as per ERC20, and modulates it's displayed supply as per Ampleforth mechanics