# CoreStorage

The `CoreStorage.sol` contract is responsible for storing the core storage variables and mappings used by the Unlockd Protocol.

### Key storage variables:

`_moduleLookup`: Mapping of module IDs to their implementation addresses.

`_proxyLookup`: Mapping of module IDs to their proxy addresses (only for single-proxy modules).

`_trustedSenders`: Mapping of proxy addresses to their trusted sender information.

`_aclManager`: Address of the ACL (Access Control List) manager contract.

`_walletRegistry`: Address of the wallet registry contract.

`_allowedControllers`: Address of the allowed controllers contract.

`_reserveOracle`: Address of the reserve oracle contract.

`_signer`: Address of the signer used for signature verification.

`_uTokenVault`: Address of the UToken vault contract.

`_safeERC721`: Address of the SafeERC721 contract.

`_signNonce`: Mapping of addresses to their current signature nonce.

`_allowedCollections`: Mapping of collection addresses to their allowed reserve types.

`_allowedMarketAdapter`: Mapping of market adapter addresses to their active status.

`_loans`: Mapping of loan IDs to their corresponding loan data.

`_orders`: Mapping of order IDs to their corresponding order data.