hardlydifficult-eth
Version:
A collection of reusable contracts and Javascript helpers for Ethereum.
872 lines • 33.6 kB
JSON
{
"contractName": "Create2Probe",
"abi": [],
"metadata": "{\"compiler\":{\"version\":\"0.6.10+commit.00c0fcaf\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"project:/contracts/proxies/Create2Probe.sol\":\"Create2Probe\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":2000000},\"remappings\":[]},\"sources\":{\"project:/contracts/proxies/Create2Probe.sol\":{\"keccak256\":\"0xeb9f0df0022fb3af7afbda072058209adfc3778ed7be55f84c2fa3efbd1e6862\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b2b08208b38130508ac6a2acf8ac9655ce525d372c87770270fdcb22e3b6b53a\",\"dweb:/ipfs/QmP8HuAF6FmgT6Vp57poQr1AVxCsCJXvPsjdJ8HfRmgBpb\"]}},\"version\":1}",
"bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212204d6ff3a80bfd21bc7bd60e67fdcbb5f6ae048df61ffdecab11b0e07d927e685264736f6c634300060a0033",
"deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212204d6ff3a80bfd21bc7bd60e67fdcbb5f6ae048df61ffdecab11b0e07d927e685264736f6c634300060a0033",
"immutableReferences": {},
"sourceMap": "177:336:21:-:0;;;;;;;;;;;;;;;;;;;;;;;;;",
"deployedSourceMap": "177:336:21:-:0;;;;;;;;",
"source": "// SPDX-License-Identifier: MIT\npragma solidity ^0.6.0;\n\n\n// https://github.com/OpenZeppelin/openzeppelin-sdk/blob/master/packages/lib/contracts/upgradeability/ProxyFactory.sol\nlibrary Create2Probe\n{\n function isAddressAvailable(\n address contractAddress\n ) internal view\n returns (bool)\n {\n if(contractAddress == address(0))\n {\n return false;\n }\n uint size;\n // solium-disable-next-line\n assembly\n {\n size := extcodesize(contractAddress)\n }\n\n return size == 0;\n }\n}\n",
"sourcePath": "/home/circleci/repo/contracts/proxies/Create2Probe.sol",
"ast": {
"absolutePath": "project:/contracts/proxies/Create2Probe.sol",
"exportedSymbols": {
"Create2Probe": [
3811
]
},
"id": 3812,
"license": "MIT",
"nodeType": "SourceUnit",
"nodes": [
{
"id": 3784,
"literals": [
"solidity",
"^",
"0.6",
".0"
],
"nodeType": "PragmaDirective",
"src": "32:23:21"
},
{
"abstract": false,
"baseContracts": [],
"contractDependencies": [],
"contractKind": "library",
"documentation": null,
"fullyImplemented": true,
"id": 3811,
"linearizedBaseContracts": [
3811
],
"name": "Create2Probe",
"nodeType": "ContractDefinition",
"nodes": [
{
"body": {
"id": 3809,
"nodeType": "Block",
"src": "298:213:21",
"statements": [
{
"condition": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_address",
"typeString": "address"
},
"id": 3796,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftExpression": {
"argumentTypes": null,
"id": 3791,
"name": "contractAddress",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 3786,
"src": "307:15:21",
"typeDescriptions": {
"typeIdentifier": "t_address",
"typeString": "address"
}
},
"nodeType": "BinaryOperation",
"operator": "==",
"rightExpression": {
"argumentTypes": null,
"arguments": [
{
"argumentTypes": null,
"hexValue": "30",
"id": 3794,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "number",
"lValueRequested": false,
"nodeType": "Literal",
"src": "334:1:21",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_rational_0_by_1",
"typeString": "int_const 0"
},
"value": "0"
}
],
"expression": {
"argumentTypes": [
{
"typeIdentifier": "t_rational_0_by_1",
"typeString": "int_const 0"
}
],
"id": 3793,
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"nodeType": "ElementaryTypeNameExpression",
"src": "326:7:21",
"typeDescriptions": {
"typeIdentifier": "t_type$_t_address_$",
"typeString": "type(address)"
},
"typeName": {
"id": 3792,
"name": "address",
"nodeType": "ElementaryTypeName",
"src": "326:7:21",
"typeDescriptions": {
"typeIdentifier": null,
"typeString": null
}
}
},
"id": 3795,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "typeConversion",
"lValueRequested": false,
"names": [],
"nodeType": "FunctionCall",
"src": "326:10:21",
"tryCall": false,
"typeDescriptions": {
"typeIdentifier": "t_address_payable",
"typeString": "address payable"
}
},
"src": "307:29:21",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"falseBody": null,
"id": 3800,
"nodeType": "IfStatement",
"src": "304:65:21",
"trueBody": {
"id": 3799,
"nodeType": "Block",
"src": "342:27:21",
"statements": [
{
"expression": {
"argumentTypes": null,
"hexValue": "66616c7365",
"id": 3797,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "bool",
"lValueRequested": false,
"nodeType": "Literal",
"src": "357:5:21",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"value": "false"
},
"functionReturnParameters": 3790,
"id": 3798,
"nodeType": "Return",
"src": "350:12:21"
}
]
}
},
{
"assignments": [
3802
],
"declarations": [
{
"constant": false,
"id": 3802,
"mutability": "mutable",
"name": "size",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 3809,
"src": "374:9:21",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
},
"typeName": {
"id": 3801,
"name": "uint",
"nodeType": "ElementaryTypeName",
"src": "374:4:21",
"typeDescriptions": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
}
},
"value": null,
"visibility": "internal"
}
],
"id": 3803,
"initialValue": null,
"nodeType": "VariableDeclarationStatement",
"src": "374:9:21"
},
{
"AST": {
"nodeType": "YulBlock",
"src": "434:50:21",
"statements": [
{
"nodeType": "YulAssignment",
"src": "442:36:21",
"value": {
"arguments": [
{
"name": "contractAddress",
"nodeType": "YulIdentifier",
"src": "462:15:21"
}
],
"functionName": {
"name": "extcodesize",
"nodeType": "YulIdentifier",
"src": "450:11:21"
},
"nodeType": "YulFunctionCall",
"src": "450:28:21"
},
"variableNames": [
{
"name": "size",
"nodeType": "YulIdentifier",
"src": "442:4:21"
}
]
}
]
},
"evmVersion": "istanbul",
"externalReferences": [
{
"declaration": 3786,
"isOffset": false,
"isSlot": false,
"src": "462:15:21",
"valueSize": 1
},
{
"declaration": 3802,
"isOffset": false,
"isSlot": false,
"src": "442:4:21",
"valueSize": 1
}
],
"id": 3804,
"nodeType": "InlineAssembly",
"src": "421:63:21"
},
{
"expression": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
},
"id": 3807,
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"leftExpression": {
"argumentTypes": null,
"id": 3805,
"name": "size",
"nodeType": "Identifier",
"overloadedDeclarations": [],
"referencedDeclaration": 3802,
"src": "497:4:21",
"typeDescriptions": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
}
},
"nodeType": "BinaryOperation",
"operator": "==",
"rightExpression": {
"argumentTypes": null,
"hexValue": "30",
"id": 3806,
"isConstant": false,
"isLValue": false,
"isPure": true,
"kind": "number",
"lValueRequested": false,
"nodeType": "Literal",
"src": "505:1:21",
"subdenomination": null,
"typeDescriptions": {
"typeIdentifier": "t_rational_0_by_1",
"typeString": "int_const 0"
},
"value": "0"
},
"src": "497:9:21",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"functionReturnParameters": 3790,
"id": 3808,
"nodeType": "Return",
"src": "490:16:21"
}
]
},
"documentation": null,
"id": 3810,
"implemented": true,
"kind": "function",
"modifiers": [],
"name": "isAddressAvailable",
"nodeType": "FunctionDefinition",
"overrides": null,
"parameters": {
"id": 3787,
"nodeType": "ParameterList",
"parameters": [
{
"constant": false,
"id": 3786,
"mutability": "mutable",
"name": "contractAddress",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 3810,
"src": "235:23:21",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_address",
"typeString": "address"
},
"typeName": {
"id": 3785,
"name": "address",
"nodeType": "ElementaryTypeName",
"src": "235:7:21",
"stateMutability": "nonpayable",
"typeDescriptions": {
"typeIdentifier": "t_address",
"typeString": "address"
}
},
"value": null,
"visibility": "internal"
}
],
"src": "229:33:21"
},
"returnParameters": {
"id": 3790,
"nodeType": "ParameterList",
"parameters": [
{
"constant": false,
"id": 3789,
"mutability": "mutable",
"name": "",
"nodeType": "VariableDeclaration",
"overrides": null,
"scope": 3810,
"src": "290:4:21",
"stateVariable": false,
"storageLocation": "default",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
},
"typeName": {
"id": 3788,
"name": "bool",
"nodeType": "ElementaryTypeName",
"src": "290:4:21",
"typeDescriptions": {
"typeIdentifier": "t_bool",
"typeString": "bool"
}
},
"value": null,
"visibility": "internal"
}
],
"src": "289:6:21"
},
"scope": 3811,
"src": "202:309:21",
"stateMutability": "view",
"virtual": false,
"visibility": "internal"
}
],
"scope": 3812,
"src": "177:336:21"
}
],
"src": "32:482:21"
},
"legacyAST": {
"attributes": {
"absolutePath": "project:/contracts/proxies/Create2Probe.sol",
"exportedSymbols": {
"Create2Probe": [
3811
]
},
"license": "MIT"
},
"children": [
{
"attributes": {
"literals": [
"solidity",
"^",
"0.6",
".0"
]
},
"id": 3784,
"name": "PragmaDirective",
"src": "32:23:21"
},
{
"attributes": {
"abstract": false,
"baseContracts": [
null
],
"contractDependencies": [
null
],
"contractKind": "library",
"documentation": null,
"fullyImplemented": true,
"linearizedBaseContracts": [
3811
],
"name": "Create2Probe",
"scope": 3812
},
"children": [
{
"attributes": {
"documentation": null,
"implemented": true,
"isConstructor": false,
"kind": "function",
"modifiers": [
null
],
"name": "isAddressAvailable",
"overrides": null,
"scope": 3811,
"stateMutability": "view",
"virtual": false,
"visibility": "internal"
},
"children": [
{
"children": [
{
"attributes": {
"constant": false,
"mutability": "mutable",
"name": "contractAddress",
"overrides": null,
"scope": 3810,
"stateVariable": false,
"storageLocation": "default",
"type": "address",
"value": null,
"visibility": "internal"
},
"children": [
{
"attributes": {
"name": "address",
"stateMutability": "nonpayable",
"type": "address"
},
"id": 3785,
"name": "ElementaryTypeName",
"src": "235:7:21"
}
],
"id": 3786,
"name": "VariableDeclaration",
"src": "235:23:21"
}
],
"id": 3787,
"name": "ParameterList",
"src": "229:33:21"
},
{
"children": [
{
"attributes": {
"constant": false,
"mutability": "mutable",
"name": "",
"overrides": null,
"scope": 3810,
"stateVariable": false,
"storageLocation": "default",
"type": "bool",
"value": null,
"visibility": "internal"
},
"children": [
{
"attributes": {
"name": "bool",
"type": "bool"
},
"id": 3788,
"name": "ElementaryTypeName",
"src": "290:4:21"
}
],
"id": 3789,
"name": "VariableDeclaration",
"src": "290:4:21"
}
],
"id": 3790,
"name": "ParameterList",
"src": "289:6:21"
},
{
"children": [
{
"attributes": {
"falseBody": null
},
"children": [
{
"attributes": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_address",
"typeString": "address"
},
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"operator": "==",
"type": "bool"
},
"children": [
{
"attributes": {
"argumentTypes": null,
"overloadedDeclarations": [
null
],
"referencedDeclaration": 3786,
"type": "address",
"value": "contractAddress"
},
"id": 3791,
"name": "Identifier",
"src": "307:15:21"
},
{
"attributes": {
"argumentTypes": null,
"isConstant": false,
"isLValue": false,
"isPure": true,
"isStructConstructorCall": false,
"lValueRequested": false,
"names": [
null
],
"tryCall": false,
"type": "address payable",
"type_conversion": true
},
"children": [
{
"attributes": {
"argumentTypes": [
{
"typeIdentifier": "t_rational_0_by_1",
"typeString": "int_const 0"
}
],
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"type": "type(address)"
},
"children": [
{
"attributes": {
"name": "address",
"type": null
},
"id": 3792,
"name": "ElementaryTypeName",
"src": "326:7:21"
}
],
"id": 3793,
"name": "ElementaryTypeNameExpression",
"src": "326:7:21"
},
{
"attributes": {
"argumentTypes": null,
"hexvalue": "30",
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"subdenomination": null,
"token": "number",
"type": "int_const 0",
"value": "0"
},
"id": 3794,
"name": "Literal",
"src": "334:1:21"
}
],
"id": 3795,
"name": "FunctionCall",
"src": "326:10:21"
}
],
"id": 3796,
"name": "BinaryOperation",
"src": "307:29:21"
},
{
"children": [
{
"attributes": {
"functionReturnParameters": 3790
},
"children": [
{
"attributes": {
"argumentTypes": null,
"hexvalue": "66616c7365",
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"subdenomination": null,
"token": "bool",
"type": "bool",
"value": "false"
},
"id": 3797,
"name": "Literal",
"src": "357:5:21"
}
],
"id": 3798,
"name": "Return",
"src": "350:12:21"
}
],
"id": 3799,
"name": "Block",
"src": "342:27:21"
}
],
"id": 3800,
"name": "IfStatement",
"src": "304:65:21"
},
{
"attributes": {
"assignments": [
3802
],
"initialValue": null
},
"children": [
{
"attributes": {
"constant": false,
"mutability": "mutable",
"name": "size",
"overrides": null,
"scope": 3809,
"stateVariable": false,
"storageLocation": "default",
"type": "uint256",
"value": null,
"visibility": "internal"
},
"children": [
{
"attributes": {
"name": "uint",
"type": "uint256"
},
"id": 3801,
"name": "ElementaryTypeName",
"src": "374:4:21"
}
],
"id": 3802,
"name": "VariableDeclaration",
"src": "374:9:21"
}
],
"id": 3803,
"name": "VariableDeclarationStatement",
"src": "374:9:21"
},
{
"attributes": {
"evmVersion": "istanbul",
"externalReferences": [
{
"declaration": 3786,
"isOffset": false,
"isSlot": false,
"src": "462:15:21",
"valueSize": 1
},
{
"declaration": 3802,
"isOffset": false,
"isSlot": false,
"src": "442:4:21",
"valueSize": 1
}
],
"operations": "{\n size := extcodesize(contractAddress)\n}"
},
"children": [],
"id": 3804,
"name": "InlineAssembly",
"src": "421:63:21"
},
{
"attributes": {
"functionReturnParameters": 3790
},
"children": [
{
"attributes": {
"argumentTypes": null,
"commonType": {
"typeIdentifier": "t_uint256",
"typeString": "uint256"
},
"isConstant": false,
"isLValue": false,
"isPure": false,
"lValueRequested": false,
"operator": "==",
"type": "bool"
},
"children": [
{
"attributes": {
"argumentTypes": null,
"overloadedDeclarations": [
null
],
"referencedDeclaration": 3802,
"type": "uint256",
"value": "size"
},
"id": 3805,
"name": "Identifier",
"src": "497:4:21"
},
{
"attributes": {
"argumentTypes": null,
"hexvalue": "30",
"isConstant": false,
"isLValue": false,
"isPure": true,
"lValueRequested": false,
"subdenomination": null,
"token": "number",
"type": "int_const 0",
"value": "0"
},
"id": 3806,
"name": "Literal",
"src": "505:1:21"
}
],
"id": 3807,
"name": "BinaryOperation",
"src": "497:9:21"
}
],
"id": 3808,
"name": "Return",
"src": "490:16:21"
}
],
"id": 3809,
"name": "Block",
"src": "298:213:21"
}
],
"id": 3810,
"name": "FunctionDefinition",
"src": "202:309:21"
}
],
"id": 3811,
"name": "ContractDefinition",
"src": "177:336:21"
}
],
"id": 3812,
"name": "SourceUnit",
"src": "32:482:21"
},
"compiler": {
"name": "solc",
"version": "0.6.10+commit.00c0fcaf.Emscripten.clang"
},
"networks": {},
"schemaVersion": "3.4.1",
"updatedAt": "2021-07-08T17:04:13.869Z",
"devdoc": {
"methods": {}
},
"userdoc": {
"methods": {}
}
}