{ "contractName": "Pausable", "abi": [ { "constant": true, "inputs": [ { "name": "account", "type": "address" } ], "name": "isPauser", "outputs": [ { "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": "account", "type": "address" } ], "name": "addPauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "account", "type": "address" } ], "name": "Unpaused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "PauserAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "PauserRemoved", "type": "event" }, { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "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": "", "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": 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