HandlerDiamondLib

Git Source

Author: @oscarsernarosero, built on top of Nick Mudge implementation.

Contract serves as library for the Processor Diamond

Library contract of the diamond pattern. Responsible for checking on rules compliance.

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State Variables

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DIAMOND_CUT_STORAGE

bytes32 constant DIAMOND_CUT_STORAGE = bytes32(uint256(keccak256("diamond-cut.storage")) - 1);

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Functions

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s

Function for position of rules. Every rule has its own storage.

function s() internal pure returns (HandlerDiamondStorage storage ds);

Returns

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diamondCut

Internal function version of _diamondCut

function diamondCut(FacetCut[] memory _diamondCut, address init, bytes memory data) internal;

Parameters

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addFunctions

Add Function to Diamond

function addFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal;

Parameters

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replaceFunctions

Replace Function from Diamond

function replaceFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal;

Parameters

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removeFunctions

can’t replace immutable functions — functions defined directly in the diamond in this case replace old facet address

Remove Function from Diamond

function removeFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal;

Parameters

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initializeDiamondCut

can’t remove immutable functions — functions defined directly in the diamond replace selector with last selector delete last selector

Initialize Diamond Cut of new Facet

function initializeDiamondCut(address init, bytes memory data) internal;

Parameters

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enforceHasContractCode

Internal function to enforce contract has code

function enforceHasContractCode(address _contract, string memory _errorMessage) internal view;

Parameters

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Events

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DiamondCut

event DiamondCut(FacetCut[] _diamondCut, address init, bytes data);