{ "contractName": "Pausable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserRemoved", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Unpaused", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "addPauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "isPauser", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renouncePauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "pause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "unpause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"PauserAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"PauserRemoved\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"addPauser\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"isPauser\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renouncePauser\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"unpause\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Base contract which allows children to implement an emergency stop mechanism.\",\"methods\":{\"pause()\":{\"details\":\"called by the owner to pause, triggers stopped state\"},\"paused()\":{\"return\":\"true if the contract is paused, false otherwise.\"},\"unpause()\":{\"details\":\"called by the owner to unpause, returns to normal state\"}},\"title\":\"Pausable\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/lifecycle/Pausable.sol\":\"Pausable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/access/Roles.sol\":{\"keccak256\":\"0x659ba0f9a3392cd50a8a5fafaf5dfd8c6a0878f6a4613bceff4e90dceddcd865\",\"urls\":[\"bzz-raw://4ca6617349a9b36fd82e9442a8e445ce9021a174e4399d1457ddc894ee3f5df3\",\"dweb:/ipfs/QmcmyB4cNazZ1sw963Afaijt67M9bDgwmGXCgQajGTD4tm\"]},\"openzeppelin-solidity/contracts/access/roles/PauserRole.sol\":{\"keccak256\":\"0x6506133e295a7199df2ac5dfc52853d9d767f68450b6d0193e9d8056b164ce86\",\"urls\":[\"bzz-raw://9c03592a9e6b1377e401b74eccf175a250232b5a341347d3fc5cb50e9bc86ba2\",\"dweb:/ipfs/QmYAr1yXT89hNUMJ37aiBpD9HtYfBDqmueVCzphRuuU7oZ\"]},\"openzeppelin-solidity/contracts/lifecycle/Pausable.sol\":{\"keccak256\":\"0x3b0ed31deeba7e3c6cfbbe8092a6b427084ee390800a06acdea5c17c8185d606\",\"urls\":[\"bzz-raw://bbdbf9d3754fcdcc85aec0432fabcec914317b1c2081b43753442ed53853a34a\",\"dweb:/ipfs/QmVHWQBn5xQkQEHhyGNEeS5gjjALZEk5ZfcjFt7kL6MoLy\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\nimport \"../access/roles/PauserRole.sol\";\n\n/**\n * @title Pausable\n * @dev Base contract which allows children to implement an emergency stop mechanism.\n */\ncontract Pausable is PauserRole {\n event Paused(address account);\n event Unpaused(address account);\n\n bool private _paused;\n\n constructor () internal {\n _paused = false;\n }\n\n /**\n * @return true if the contract is paused, false otherwise.\n */\n function paused() public view returns (bool) {\n return _paused;\n }\n\n /**\n * @dev Modifier to make a function callable only when the contract is not paused.\n */\n modifier whenNotPaused() {\n require(!_paused);\n _;\n }\n\n /**\n * @dev Modifier to make a function callable only when the contract is paused.\n */\n modifier whenPaused() {\n require(_paused);\n _;\n }\n\n /**\n * @dev called by the owner to pause, triggers stopped state\n */\n function pause() public onlyPauser whenNotPaused {\n _paused = true;\n emit Paused(msg.sender);\n }\n\n /**\n * @dev called by the owner to unpause, returns to normal state\n */\n function unpause() public onlyPauser whenPaused {\n _paused = false;\n emit Unpaused(msg.sender);\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "exportedSymbols": { "Pausable": [ 21111 ] }, "id": 21112, "nodeType": "SourceUnit", "nodes": [ { "id": 21030, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:74" }, { "absolutePath": "openzeppelin-solidity/contracts/access/roles/PauserRole.sol", "file": "../access/roles/PauserRole.sol", "id": 21031, "nodeType": "ImportDirective", "scope": 21112, "sourceUnit": 20948, "src": "25:40:74", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 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