ADiamondStorage

Overview

License: MIT

abstract contract ADiamondStorage

The Diamond standard module

This is the storage contract for the diamond proxy

Structs info

DStorage

struct DStorage {
    mapping(bytes4 => address) selectorToFacet;
    mapping(address => EnumerableSet.Bytes32Set) facetToSelectors;
    EnumerableSet.AddressSet facets;
}

The storage of the Diamond proxy

FacetInfo

struct FacetInfo {
    address facetAddress;
    bytes4[] functionSelectors;
}

Constants info

DIAMOND_STORAGE_SLOT (0xe828c51f)

bytes32 constant DIAMOND_STORAGE_SLOT = keccak256("diamond.standard.diamond.storage")

The struct slot where the storage is

Functions info

facets (0x7a0ed627)

function facets()
    public
    view
    returns (ADiamondStorage.FacetInfo[] memory facets_)

The function to get all the facets and their selectors

Return values:

Name	Type	Description
facets_	struct ADiamondStorage.FacetInfo[]	the array of FacetInfo

facetFunctionSelectors (0xadfca15e)

function facetFunctionSelectors(
    address facet_
) public view returns (bytes4[] memory selectors_)

The function to get all the selectors assigned to the facet

Parameters:

Name	Type	Description
facet_	address	the facet to get assigned selectors of

Return values:

Name	Type	Description
selectors_	bytes4[]	the array of assigned selectors

facetAddresses (0x52ef6b2c)

function facetAddresses() public view returns (address[] memory facets_)

The function to get all the facets of this diamond

Return values:

Name	Type	Description
facets_	address[]	the array of facets' addresses

facetAddress (0xcdffacc6)

function facetAddress(bytes4 selector_) public view returns (address facet_)

The function to get associated facet by the selector

Parameters:

Name	Type	Description
selector_	bytes4	the selector

Return values:

Name	Type	Description
facet_	address	the associated facet address