{ "contractName": "EIP173Proxy", "abi": [ { "inputs": [ { "internalType": "address", "name": "implementationAddress", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" }, { "internalType": "address", "name": "ownerAddress", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousImplementation", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newImplementation", "type": "address" } ], "name": "ProxyImplementationUpdated", "type": "event" }, { "stateMutability": "payable", "type": "fallback" }, { "inputs": [ { "internalType": "address", "name": "newImplementation", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "changeImplementation", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "id", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "stateMutability": "payable", "type": "receive" } ], "bytecode": 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"{\"compiler\":{\"version\":\"0.7.1+commit.f4a555be\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"implementationAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"},{\"internalType\":\"address\",\"name\":\"ownerAddress\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousImplementation\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newImplementation\",\"type\":\"address\"}],\"name\":\"ProxyImplementationUpdated\",\"type\":\"event\"},{\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newImplementation\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"changeImplementation\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"id\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"solc_0.7/proxy/EIP173Proxy.sol\":\"EIP173Proxy\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":2000},\"remappings\":[]},\"sources\":{\"solc_0.7/proxy/EIP173Proxy.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\nimport \\\"./Proxy.sol\\\";\\n\\ninterface ERC165 {\\n function supportsInterface(bytes4 id) external view returns (bool);\\n}\\n\\ncontract EIP173Proxy is Proxy {\\n // ////////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////\\n\\n event OwnershipTransferred(\\n address indexed previousOwner,\\n address indexed newOwner\\n );\\n\\n // /////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////////////\\n\\n constructor(\\n address implementationAddress,\\n bytes memory data,\\n address ownerAddress\\n ) {\\n _setImplementation(implementationAddress, data);\\n _setOwner(ownerAddress);\\n }\\n\\n // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////\\n\\n function owner() external view returns (address) {\\n return _owner();\\n }\\n\\n function supportsInterface(bytes4 id) external view returns (bool) {\\n if (id == 0x01ffc9a7 || id == 0x7f5828d0) {\\n return true;\\n }\\n if (id == 0xFFFFFFFF) {\\n return false;\\n }\\n\\n ERC165 implementation;\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n implementation := sload(\\n 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc\\n )\\n }\\n\\n // This technically is not standard compliant as it ERC-165 require 30,000 gas which that call cannot ensure, since it is itself inside `supportsInterface`\\n // in practise this is unlikely to be an issue\\n try implementation.supportsInterface(id) returns (bool support) {\\n return support;\\n } catch {\\n return false;\\n }\\n }\\n\\n function transferOwnership(address newOwner) external onlyOwner {\\n _setOwner(newOwner);\\n }\\n\\n function changeImplementation(\\n address newImplementation,\\n bytes calldata data\\n ) external onlyOwner {\\n _setImplementation(newImplementation, data);\\n }\\n\\n // /////////////////////// MODIFIERS ////////////////////////////////////////////////////////////////////////\\n\\n modifier onlyOwner() {\\n require(msg.sender == _owner(), \\\"NOT_AUTHORIZED\\\");\\n _;\\n }\\n\\n // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////\\n\\n function _owner() internal view returns (address adminAddress) {\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n adminAddress := sload(\\n 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103\\n )\\n }\\n }\\n\\n function _setOwner(address newOwner) internal {\\n address previousOwner = _owner();\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n sstore(\\n 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103,\\n newOwner\\n )\\n }\\n emit OwnershipTransferred(previousOwner, newOwner);\\n }\\n}\\n\",\"keccak256\":\"0x930396c40243b7e87e24c5c796292de8624717df9c308b3329672695f2d5f47a\",\"license\":\"MIT\"},\"solc_0.7/proxy/Proxy.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n// EIP-1967\\nabstract contract Proxy {\\n // /////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////////\\n\\n event ProxyImplementationUpdated(\\n address indexed previousImplementation,\\n address indexed newImplementation\\n );\\n\\n // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////\\n\\n receive() external payable {\\n _fallback();\\n }\\n\\n fallback() external payable {\\n _fallback();\\n }\\n\\n // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////\\n\\n function _fallback() internal {\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n let implementationAddress := sload(\\n 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc\\n )\\n calldatacopy(0x0, 0x0, calldatasize())\\n let success := delegatecall(\\n gas(),\\n implementationAddress,\\n 0x0,\\n calldatasize(),\\n 0,\\n 0\\n )\\n let retSz := returndatasize()\\n returndatacopy(0, 0, retSz)\\n switch success\\n case 0 {\\n revert(0, retSz)\\n }\\n default {\\n return(0, retSz)\\n }\\n }\\n }\\n\\n function _setImplementation(address newImplementation, bytes memory data)\\n internal\\n {\\n address previousImplementation;\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n previousImplementation := sload(\\n 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc\\n )\\n }\\n\\n // solhint-disable-next-line security/no-inline-assembly\\n assembly {\\n sstore(\\n 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc,\\n newImplementation\\n )\\n }\\n\\n emit ProxyImplementationUpdated(\\n previousImplementation,\\n newImplementation\\n );\\n\\n if (data.length > 0) {\\n (bool success, ) = newImplementation.delegatecall(data);\\n if (!success) {\\n assembly {\\n // This assembly ensure the revert contains the exact string data\\n let returnDataSize := returndatasize()\\n returndatacopy(0, 0, returnDataSize)\\n revert(0, returnDataSize)\\n }\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0x2cfeb2d28a5732bd36fb1e9d91fa00c80dce6ec6f912fb82341630fb2cb9cdeb\",\"license\":\"MIT\"}},\"version\":1}", "contractFilepath": "solc_0.7/proxy/EIP173Proxy.sol", "methodIdentifiers": { "changeImplementation(address,bytes)": "31124171", "owner()": "8da5cb5b", "supportsInterface(bytes4)": "01ffc9a7", "transferOwnership(address)": "f2fde38b" }, "gasEstimates": { "creation": { "codeDepositCost": "365200", "executionCost": "infinite", "totalCost": "infinite" }, "external": { "": "infinite", "changeImplementation(address,bytes)": "infinite", "owner()": "1076", "supportsInterface(bytes4)": "infinite", "transferOwnership(address)": "infinite" }, "internal": { "_owner()": "815", "_setOwner(address)": "22435" } }, "storageLayout": { "storage": [], "types": null }, "userdoc": { "kind": "user", "methods": {}, "version": 1 }, "devdoc": { "kind": "dev", "methods": {}, "version": 1 } }