Diamond

Diamond

This contract contains functions related to facets

Solidity API

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

_become

Call _acceptImplementation to accept the diamond proxy as new implementaion

function _become(contract Unitroller unitroller) public

Parameters

Name	Type	Description
unitroller	contract Unitroller	Address of the unitroller

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diamondCut

To add function selectors to the facet's mapping

function diamondCut(struct IDiamondCut.FacetCut[] diamondCut_) public

Parameters

Name	Type	Description
diamondCut_	struct IDiamondCut.FacetCut[]	IDiamondCut contains facets address, action and function selectors

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facetFunctionSelectors

Get all function selectors mapped to the facet address

function facetFunctionSelectors(address facet) external view returns (bytes4[])

Parameters

Name	Type	Description
facet	address	Address of the facet

Return Values

Name	Type	Description
[0]	bytes4[]	selectors Array of function selectors

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facetPosition

Get facet position in the _facetFunctionSelectors through facet address

function facetPosition(address facet) external view returns (uint256)

Parameters

Name	Type	Description
facet	address	Address of the facet

Return Values

Name	Type	Description
[0]	uint256	Position of the facet

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facetAddresses

Get all facet addresses

function facetAddresses() external view returns (address[])

Return Values

Name	Type	Description
[0]	address[]	facetAddresses Array of facet addresses

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facetAddress

Get facet address and position through function selector

function facetAddress(bytes4 functionSelector) external view returns (struct ComptrollerV13Storage.FacetAddressAndPosition)

Parameters

Name	Type	Description
functionSelector	bytes4	function selector

Return Values

Name	Type	Description
[0]	struct ComptrollerV13Storage.FacetAddressAndPosition	FacetAddressAndPosition facet address and position

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facets

Get all facets address and their function selector

function facets() external view returns (struct Diamond.Facet[])

Return Values

Name	Type	Description
[0]	struct Diamond.Facet[]	facets_ Array of Facet

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