{ "contractName": "DiamondLoupeFacet", "abi": [ { "inputs": [ { "internalType": "bytes4", "name": "_functionSelector", "type": "bytes4" } ], "name": "facetAddress", "outputs": [ { "internalType": "address", "name": "facetAddress_", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "facetAddresses", "outputs": [ { "internalType": "address[]", "name": "facetAddresses_", "type": "address[]" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_facet", "type": "address" } ], "name": "facetFunctionSelectors", "outputs": [ { "internalType": "bytes4[]", "name": "facetFunctionSelectors_", "type": "bytes4[]" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "facets", "outputs": [ { "components": [ { "internalType": "address", "name": "facetAddress", "type": "address" }, { "internalType": "bytes4[]", "name": "functionSelectors", "type": "bytes4[]" } ], "internalType": "struct IDiamondLoupe.Facet[]", "name": "facets_", "type": "tuple[]" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "_interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" } ], "bytecode": 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"{\"compiler\":{\"version\":\"0.7.1+commit.f4a555be\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"_functionSelector\",\"type\":\"bytes4\"}],\"name\":\"facetAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"facetAddress_\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"facetAddresses\",\"outputs\":[{\"internalType\":\"address[]\",\"name\":\"facetAddresses_\",\"type\":\"address[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_facet\",\"type\":\"address\"}],\"name\":\"facetFunctionSelectors\",\"outputs\":[{\"internalType\":\"bytes4[]\",\"name\":\"facetFunctionSelectors_\",\"type\":\"bytes4[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"facets\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"facetAddress\",\"type\":\"address\"},{\"internalType\":\"bytes4[]\",\"name\":\"functionSelectors\",\"type\":\"bytes4[]\"}],\"internalType\":\"struct IDiamondLoupe.Facet[]\",\"name\":\"facets_\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"_interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"facetAddress(bytes4)\":{\"details\":\"If facet is not found return address(0).\",\"params\":{\"_functionSelector\":\"The function selector.\"},\"returns\":{\"facetAddress_\":\"The facet address.\"}},\"facetAddresses()\":{\"returns\":{\"facetAddresses_\":\"facetAddresses_\"}},\"facetFunctionSelectors(address)\":{\"params\":{\"_facet\":\"The facet address.\"},\"returns\":{\"facetFunctionSelectors_\":\"facetFunctionSelectors_\"}},\"facets()\":{\"returns\":{\"facets_\":\"Facet\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"facetAddress(bytes4)\":{\"notice\":\"Gets the facet that supports the given selector.\"},\"facetAddresses()\":{\"notice\":\"Get all the facet addresses used by a diamond.\"},\"facetFunctionSelectors(address)\":{\"notice\":\"Gets all the function selectors provided by a facet.\"},\"facets()\":{\"notice\":\"Gets all facets and their selectors.\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"solc_0.7/diamond/facets/DiamondLoupeFacet.sol\":\"DiamondLoupeFacet\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":2000},\"remappings\":[]},\"sources\":{\"solc_0.7/diamond/facets/DiamondLoupeFacet.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.1;\\npragma experimental ABIEncoderV2;\\n\\n/******************************************************************************\\\\\\n* Author: Nick Mudge (https://twitter.com/mudgen)\\n*\\n* Implementation of DiamondLoupe interface.\\n/******************************************************************************/\\n\\nimport \\\"../libraries/LibDiamondStorage.sol\\\";\\nimport \\\"../interfaces/IDiamondCut.sol\\\";\\nimport \\\"../interfaces/IDiamondLoupe.sol\\\";\\nimport \\\"../interfaces/IERC165.sol\\\";\\n\\ncontract DiamondLoupeFacet is IDiamondLoupe, IERC165 {\\n // Diamond Loupe Functions\\n ////////////////////////////////////////////////////////////////////\\n /// These functions are expected to be called frequently\\n /// by tools. Therefore the return values are tightly\\n /// packed for efficiency. That means no padding with zeros.\\n\\n // struct Facet {\\n // address facetAddress;\\n // bytes4[] functionSelectors;\\n // }\\n\\n /// @notice Gets all facets and their selectors.\\n /// @return facets_ Facet\\n function facets() external override view returns (Facet[] memory facets_) {\\n LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();\\n uint256 numFacets = ds.facetAddresses.length;\\n facets_ = new Facet[](numFacets);\\n for (uint256 i; i < numFacets; i++) {\\n address facetAddress = ds.facetAddresses[i];\\n facets_[i].facetAddress = facetAddress;\\n facets_[i].functionSelectors = ds.facetFunctionSelectors[facetAddress].functionSelectors;\\n }\\n }\\n\\n /// @notice Gets all the function selectors provided by a facet.\\n /// @param _facet The facet address.\\n /// @return facetFunctionSelectors_\\n function facetFunctionSelectors(address _facet) external override view returns (bytes4[] memory facetFunctionSelectors_) {\\n LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();\\n facetFunctionSelectors_ = ds.facetFunctionSelectors[_facet].functionSelectors;\\n }\\n\\n /// @notice Get all the facet addresses used by a diamond.\\n /// @return facetAddresses_\\n function facetAddresses() external override view returns (address[] memory facetAddresses_) {\\n LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();\\n facetAddresses_ = ds.facetAddresses;\\n }\\n\\n /// @notice Gets the facet that supports the given selector.\\n /// @dev If facet is not found return address(0).\\n /// @param _functionSelector The function selector.\\n /// @return facetAddress_ The facet address.\\n function facetAddress(bytes4 _functionSelector) external override view returns (address facetAddress_) {\\n LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();\\n facetAddress_ = ds.selectorToFacetAndPosition[_functionSelector].facetAddress;\\n }\\n\\n // This implements ERC-165.\\n function supportsInterface(bytes4 _interfaceId) external override view returns (bool) {\\n LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();\\n return ds.supportedInterfaces[_interfaceId];\\n }\\n}\\n\",\"keccak256\":\"0x4b7366bd3fe648aaa728031852007fa2fb83da852a99fb9914ca00ace29453a0\",\"license\":\"MIT\"},\"solc_0.7/diamond/interfaces/IDiamondCut.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.1;\\npragma experimental ABIEncoderV2;\\n\\n/******************************************************************************\\\\\\n* Author: Nick Mudge (https://twitter.com/mudgen)\\n/******************************************************************************/\\n\\ninterface IDiamondCut {\\n struct Facet {\\n address facetAddress;\\n bytes4[] functionSelectors;\\n }\\n\\n /// @notice Add/replace/remove any number of functions and optionally execute\\n /// a function with delegatecall\\n /// @param _diamondCut Contains the facet addresses and function selectors\\n /// @param _init The address of the contract or facet to execute _calldata\\n /// @param _calldata A function call, including function selector and arguments\\n /// _calldata is executed with delegatecall on _init\\n function diamondCut(\\n Facet[] calldata _diamondCut,\\n address _init,\\n bytes calldata _calldata\\n ) external;\\n\\n event DiamondCut(Facet[] _diamondCut, address _init, bytes _calldata);\\n}\\n\",\"keccak256\":\"0xba9cbedda8b486e17512639ee5ca6a4de1638b55c26b130e61cbbaa632acdef5\",\"license\":\"MIT\"},\"solc_0.7/diamond/interfaces/IDiamondLoupe.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.1;\\npragma experimental ABIEncoderV2;\\n\\n/******************************************************************************\\\\\\n* Author: Nick Mudge (https://twitter.com/mudgen)\\n/******************************************************************************/\\n\\n// A loupe is a small magnifying glass used to look at diamonds.\\n// These functions look at diamonds\\ninterface IDiamondLoupe {\\n /// These functions are expected to be called frequently\\n /// by tools.\\n\\n struct Facet {\\n address facetAddress;\\n bytes4[] functionSelectors;\\n }\\n\\n /// @notice Gets all facet addresses and their four byte function selectors.\\n /// @return facets_ Facet\\n function facets() external view returns (Facet[] memory facets_);\\n\\n /// @notice Gets all the function selectors supported by a specific facet.\\n /// @param _facet The facet address.\\n /// @return facetFunctionSelectors_\\n function facetFunctionSelectors(address _facet) external view returns (bytes4[] memory facetFunctionSelectors_);\\n\\n /// @notice Get all the facet addresses used by a diamond.\\n /// @return facetAddresses_\\n function facetAddresses() external view returns (address[] memory facetAddresses_);\\n\\n /// @notice Gets the facet that supports the given selector.\\n /// @dev If facet is not found return address(0).\\n /// @param _functionSelector The function selector.\\n /// @return facetAddress_ The facet address.\\n function facetAddress(bytes4 _functionSelector) external view returns (address facetAddress_);\\n}\\n\",\"keccak256\":\"0xde77c3530df288849ad2cc13a6a1a00b0216c019875b153a929b3e770667f07d\",\"license\":\"MIT\"},\"solc_0.7/diamond/interfaces/IERC165.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.1;\\npragma experimental ABIEncoderV2;\\n\\ninterface IERC165 {\\n /// @notice Query if a contract implements an interface\\n /// @param interfaceId The interface identifier, as specified in ERC-165\\n /// @dev Interface identification is specified in ERC-165. This function\\n /// uses less than 30,000 gas.\\n /// @return `true` if the contract implements `interfaceID` and\\n /// `interfaceID` is not 0xffffffff, `false` otherwise\\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\\n}\\n\",\"keccak256\":\"0xc19b99fbeaeb943b6d12e6d631b6ae1738aaa498ee49f67caaccc6238fd0d458\",\"license\":\"MIT\"},\"solc_0.7/diamond/libraries/LibDiamondStorage.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.1;\\npragma experimental ABIEncoderV2;\\n\\n/******************************************************************************\\\\\\n* Author: Nick Mudge (https://twitter.com/mudgen)\\n/******************************************************************************/\\n\\nlibrary LibDiamondStorage {\\n bytes32 constant DIAMOND_STORAGE_POSITION = keccak256(\\\"diamond.standard.diamond.storage\\\");\\n\\n struct FacetAddressAndPosition {\\n address facetAddress;\\n uint16 functionSelectorPosition; // position in facetFunctionSelectors.functionSelectors array\\n }\\n\\n struct FacetFunctionSelectors {\\n bytes4[] functionSelectors;\\n uint16 facetAddressPosition; // position of facetAddress in facetAddresses array\\n }\\n\\n struct DiamondStorage {\\n // owner of the contract\\n address contractOwner;\\n // maps function selector to the facet address and \\n // the position of the selector in the facetFunctionSelectors.selectors array\\n mapping(bytes4 => FacetAddressAndPosition) selectorToFacetAndPosition;\\n // maps facet addresses to function selectors\\n mapping(address => FacetFunctionSelectors) facetFunctionSelectors;\\n // facet addresses\\n address[] facetAddresses;\\n // Used to query if a contract implements an interface.\\n // Used to implement ERC-165.\\n mapping(bytes4 => bool) supportedInterfaces;\\n }\\n\\n function diamondStorage() internal pure returns (DiamondStorage storage ds) {\\n bytes32 position = DIAMOND_STORAGE_POSITION;\\n assembly {\\n ds.slot := position\\n }\\n }\\n}\\n\",\"keccak256\":\"0xe775d2cb83a52f9bc6341b6331acd86527a7870dca3193cfcad3db6206017ed2\",\"license\":\"MIT\"}},\"version\":1}", "contractFilepath": "solc_0.7/diamond/facets/DiamondLoupeFacet.sol", "methodIdentifiers": { "facetAddress(bytes4)": "cdffacc6", "facetAddresses()": "52ef6b2c", "facetFunctionSelectors(address)": "adfca15e", "facets()": "7a0ed627", "supportsInterface(bytes4)": "01ffc9a7" }, "gasEstimates": { "creation": { "codeDepositCost": "364600", "executionCost": "399", "totalCost": "364999" }, "external": { "facetAddress(bytes4)": "1328", "facetAddresses()": "infinite", "facetFunctionSelectors(address)": "infinite", "facets()": "infinite", "supportsInterface(bytes4)": "1284" } }, "storageLayout": { "storage": [], "types": null }, "userdoc": { "kind": "user", "methods": { "facetAddress(bytes4)": { "notice": "Gets the facet that supports the given selector." }, "facetAddresses()": { "notice": "Get all the facet addresses used by a diamond." }, "facetFunctionSelectors(address)": { "notice": "Gets all the function selectors provided by a facet." }, "facets()": { "notice": "Gets all facets and their selectors." } }, "version": 1 }, "devdoc": { "kind": "dev", "methods": { "facetAddress(bytes4)": { "details": "If facet is not found return address(0).", "params": { "_functionSelector": "The function selector." }, "returns": { "facetAddress_": "The facet address." } }, "facetAddresses()": { "returns": { "facetAddresses_": "facetAddresses_" } }, "facetFunctionSelectors(address)": { "params": { "_facet": "The facet address." }, "returns": { "facetFunctionSelectors_": "facetFunctionSelectors_" } }, "facets()": { "returns": { "facets_": "Facet" } } }, "version": 1 } }