{
  "contractName": "Utils",
  "abi": [],
  "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058208d96b21b18ff9c524ff81b89cb5f83eca6a0485655ffdfdd5336a64ff2413d490029",
  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058208d96b21b18ff9c524ff81b89cb5f83eca6a0485655ffdfdd5336a64ff2413d490029",
  "sourceMap": "26:500:31:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24",
  "deployedSourceMap": "26:500:31:-;;;;;;;;",
  "source": "pragma solidity <0.6.0;\n\n\nlibrary Utils {\n    function _bytesToAddress(\n        bytes memory rawData\n    )\n        internal\n        pure\n        returns (address)\n    {\n        uint bytesToUint;\n        assembly {\n            bytesToUint := mload(add(rawData,0x20))\n        }\n        return address(uint160(uint256(bytesToUint)));\n    }\n\n    function keccak (\n        string memory key\n    )\n        internal\n        pure\n        returns (bytes32)\n    {\n        return keccak256(\n            abi.encode(key)\n        );\n    }\n}\n",
  "sourcePath": "/home/administrator/workspace/signaturit-solidity-contracts/contracts/libraries/Utils.sol",
  "ast": {
    "absolutePath": "/home/administrator/workspace/signaturit-solidity-contracts/contracts/libraries/Utils.sol",
    "exportedSymbols": {
      "Utils": [
        7289
      ]
    },
    "id": 7290,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 7253,
        "literals": [
          "solidity",
          "<",
          "0.6",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:31"
      },
      {
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "library",
        "documentation": null,
        "fullyImplemented": true,
        "id": 7289,
        "linearizedBaseContracts": [
          7289
        ],
        "name": "Utils",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 7272,
              "nodeType": "Block",
              "src": "167:169:31",
              "statements": [
                {
                  "assignments": [
                    7261
                  ],
                  "declarations": [
                    {
                      "constant": false,
                      "id": 7261,
                      "name": "bytesToUint",
                      "nodeType": "VariableDeclaration",
                      "scope": 7272,
                      "src": "177:16:31",
                      "stateVariable": false,
                      "storageLocation": "default",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      },
                      "typeName": {
                        "id": 7260,
                        "name": "uint",
                        "nodeType": "ElementaryTypeName",
                        "src": "177:4:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      },
                      "value": null,
                      "visibility": "internal"
                    }
                  ],
                  "id": 7262,
                  "initialValue": null,
                  "nodeType": "VariableDeclarationStatement",
                  "src": "177:16:31"
                },
                {
                  "externalReferences": [
                    {
                      "bytesToUint": {
                        "declaration": 7261,
                        "isOffset": false,
                        "isSlot": false,
                        "src": "226:11:31",
                        "valueSize": 1
                      }
                    },
                    {
                      "rawData": {
                        "declaration": 7255,
                        "isOffset": false,
                        "isSlot": false,
                        "src": "251:7:31",
                        "valueSize": 1
                      }
                    }
                  ],
                  "id": 7263,
                  "nodeType": "InlineAssembly",
                  "operations": "{\n    bytesToUint := mload(add(rawData, 0x20))\n}",
                  "src": "203:87:31"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "id": 7267,
                                "name": "bytesToUint",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 7261,
                                "src": "315:11:31",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              ],
                              "id": 7266,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "307:7:31",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_uint256_$",
                                "typeString": "type(uint256)"
                              },
                              "typeName": "uint256"
                            },
                            "id": 7268,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "307:20:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_uint256",
                              "typeString": "uint256"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_uint256",
                              "typeString": "uint256"
                            }
                          ],
                          "id": 7265,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "299:7:31",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint160_$",
                            "typeString": "type(uint160)"
                          },
                          "typeName": "uint160"
                        },
                        "id": 7269,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "299:29:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint160",
                          "typeString": "uint160"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint160",
                          "typeString": "uint160"
                        }
                      ],
                      "id": 7264,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": true,
                      "lValueRequested": false,
                      "nodeType": "ElementaryTypeNameExpression",
                      "src": "291:7:31",
                      "typeDescriptions": {
                        "typeIdentifier": "t_type$_t_address_$",
                        "typeString": "type(address)"
                      },
                      "typeName": "address"
                    },
                    "id": 7270,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "typeConversion",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "291:38:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address_payable",
                      "typeString": "address payable"
                    }
                  },
                  "functionReturnParameters": 7259,
                  "id": 7271,
                  "nodeType": "Return",
                  "src": "284:45:31"
                }
              ]
            },
            "documentation": null,
            "id": 7273,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "_bytesToAddress",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 7256,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7255,
                  "name": "rawData",
                  "nodeType": "VariableDeclaration",
                  "scope": 7273,
                  "src": "80:20:31",
                  "stateVariable": false,
                  "storageLocation": "memory",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes_memory_ptr",
                    "typeString": "bytes"
                  },
                  "typeName": {
                    "id": 7254,
                    "name": "bytes",
                    "nodeType": "ElementaryTypeName",
                    "src": "80:5:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes_storage_ptr",
                      "typeString": "bytes"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "70:36:31"
            },
            "returnParameters": {
              "id": 7259,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7258,
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "scope": 7273,
                  "src": "154:7:31",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 7257,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "154:7:31",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "153:9:31"
            },
            "scope": 7289,
            "src": "46:290:31",
            "stateMutability": "pure",
            "superFunction": null,
            "visibility": "internal"
          },
          {
            "body": {
              "id": 7287,
              "nodeType": "Block",
              "src": "452:72:31",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "id": 7283,
                            "name": "key",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 7275,
                            "src": "503:3:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_string_memory_ptr",
                              "typeString": "string memory"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_string_memory_ptr",
                              "typeString": "string memory"
                            }
                          ],
                          "expression": {
                            "argumentTypes": null,
                            "id": 7281,
                            "name": "abi",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 7291,
                            "src": "492:3:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_magic_abi",
                              "typeString": "abi"
                            }
                          },
                          "id": 7282,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "memberName": "encode",
                          "nodeType": "MemberAccess",
                          "referencedDeclaration": null,
                          "src": "492:10:31",
                          "typeDescriptions": {
                            "typeIdentifier": "t_function_abiencode_pure$__$returns$_t_bytes_memory_ptr_$",
                            "typeString": "function () pure returns (bytes memory)"
                          }
                        },
                        "id": 7284,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "functionCall",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "492:15:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bytes_memory_ptr",
                          "typeString": "bytes memory"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bytes_memory_ptr",
                          "typeString": "bytes memory"
                        }
                      ],
                      "id": 7280,
                      "name": "keccak256",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 7298,
                      "src": "469:9:31",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$",
                        "typeString": "function (bytes memory) pure returns (bytes32)"
                      }
                    },
                    "id": 7285,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "469:48:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes32",
                      "typeString": "bytes32"
                    }
                  },
                  "functionReturnParameters": 7279,
                  "id": 7286,
                  "nodeType": "Return",
                  "src": "462:55:31"
                }
              ]
            },
            "documentation": null,
            "id": 7288,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "keccak",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 7276,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7275,
                  "name": "key",
                  "nodeType": "VariableDeclaration",
                  "scope": 7288,
                  "src": "368:17:31",
                  "stateVariable": false,
                  "storageLocation": "memory",
                  "typeDescriptions": {
                    "typeIdentifier": "t_string_memory_ptr",
                    "typeString": "string"
                  },
                  "typeName": {
                    "id": 7274,
                    "name": "string",
                    "nodeType": "ElementaryTypeName",
                    "src": "368:6:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_string_storage_ptr",
                      "typeString": "string"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "358:33:31"
            },
            "returnParameters": {
              "id": 7279,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7278,
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "scope": 7288,
                  "src": "439:7:31",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes32",
                    "typeString": "bytes32"
                  },
                  "typeName": {
                    "id": 7277,
                    "name": "bytes32",
                    "nodeType": "ElementaryTypeName",
                    "src": "439:7:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes32",
                      "typeString": "bytes32"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "438:9:31"
            },
            "scope": 7289,
            "src": "342:182:31",
            "stateMutability": "pure",
            "superFunction": null,
            "visibility": "internal"
          }
        ],
        "scope": 7290,
        "src": "26:500:31"
      }
    ],
    "src": "0:527:31"
  },
  "legacyAST": {
    "absolutePath": "/home/administrator/workspace/signaturit-solidity-contracts/contracts/libraries/Utils.sol",
    "exportedSymbols": {
      "Utils": [
        7289
      ]
    },
    "id": 7290,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 7253,
        "literals": [
          "solidity",
          "<",
          "0.6",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:31"
      },
      {
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "library",
        "documentation": null,
        "fullyImplemented": true,
        "id": 7289,
        "linearizedBaseContracts": [
          7289
        ],
        "name": "Utils",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 7272,
              "nodeType": "Block",
              "src": "167:169:31",
              "statements": [
                {
                  "assignments": [
                    7261
                  ],
                  "declarations": [
                    {
                      "constant": false,
                      "id": 7261,
                      "name": "bytesToUint",
                      "nodeType": "VariableDeclaration",
                      "scope": 7272,
                      "src": "177:16:31",
                      "stateVariable": false,
                      "storageLocation": "default",
                      "typeDescriptions": {
                        "typeIdentifier": "t_uint256",
                        "typeString": "uint256"
                      },
                      "typeName": {
                        "id": 7260,
                        "name": "uint",
                        "nodeType": "ElementaryTypeName",
                        "src": "177:4:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      },
                      "value": null,
                      "visibility": "internal"
                    }
                  ],
                  "id": 7262,
                  "initialValue": null,
                  "nodeType": "VariableDeclarationStatement",
                  "src": "177:16:31"
                },
                {
                  "externalReferences": [
                    {
                      "bytesToUint": {
                        "declaration": 7261,
                        "isOffset": false,
                        "isSlot": false,
                        "src": "226:11:31",
                        "valueSize": 1
                      }
                    },
                    {
                      "rawData": {
                        "declaration": 7255,
                        "isOffset": false,
                        "isSlot": false,
                        "src": "251:7:31",
                        "valueSize": 1
                      }
                    }
                  ],
                  "id": 7263,
                  "nodeType": "InlineAssembly",
                  "operations": "{\n    bytesToUint := mload(add(rawData, 0x20))\n}",
                  "src": "203:87:31"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "arguments": [
                              {
                                "argumentTypes": null,
                                "id": 7267,
                                "name": "bytesToUint",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 7261,
                                "src": "315:11:31",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              }
                            ],
                            "expression": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              ],
                              "id": 7266,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "nodeType": "ElementaryTypeNameExpression",
                              "src": "307:7:31",
                              "typeDescriptions": {
                                "typeIdentifier": "t_type$_t_uint256_$",
                                "typeString": "type(uint256)"
                              },
                              "typeName": "uint256"
                            },
                            "id": 7268,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "kind": "typeConversion",
                            "lValueRequested": false,
                            "names": [],
                            "nodeType": "FunctionCall",
                            "src": "307:20:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_uint256",
                              "typeString": "uint256"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_uint256",
                              "typeString": "uint256"
                            }
                          ],
                          "id": 7265,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "299:7:31",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_uint160_$",
                            "typeString": "type(uint160)"
                          },
                          "typeName": "uint160"
                        },
                        "id": 7269,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "299:29:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint160",
                          "typeString": "uint160"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint160",
                          "typeString": "uint160"
                        }
                      ],
                      "id": 7264,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": true,
                      "lValueRequested": false,
                      "nodeType": "ElementaryTypeNameExpression",
                      "src": "291:7:31",
                      "typeDescriptions": {
                        "typeIdentifier": "t_type$_t_address_$",
                        "typeString": "type(address)"
                      },
                      "typeName": "address"
                    },
                    "id": 7270,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "typeConversion",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "291:38:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address_payable",
                      "typeString": "address payable"
                    }
                  },
                  "functionReturnParameters": 7259,
                  "id": 7271,
                  "nodeType": "Return",
                  "src": "284:45:31"
                }
              ]
            },
            "documentation": null,
            "id": 7273,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "_bytesToAddress",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 7256,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7255,
                  "name": "rawData",
                  "nodeType": "VariableDeclaration",
                  "scope": 7273,
                  "src": "80:20:31",
                  "stateVariable": false,
                  "storageLocation": "memory",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes_memory_ptr",
                    "typeString": "bytes"
                  },
                  "typeName": {
                    "id": 7254,
                    "name": "bytes",
                    "nodeType": "ElementaryTypeName",
                    "src": "80:5:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes_storage_ptr",
                      "typeString": "bytes"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "70:36:31"
            },
            "returnParameters": {
              "id": 7259,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7258,
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "scope": 7273,
                  "src": "154:7:31",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 7257,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "154:7:31",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "153:9:31"
            },
            "scope": 7289,
            "src": "46:290:31",
            "stateMutability": "pure",
            "superFunction": null,
            "visibility": "internal"
          },
          {
            "body": {
              "id": 7287,
              "nodeType": "Block",
              "src": "452:72:31",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "arguments": [
                          {
                            "argumentTypes": null,
                            "id": 7283,
                            "name": "key",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 7275,
                            "src": "503:3:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_string_memory_ptr",
                              "typeString": "string memory"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_string_memory_ptr",
                              "typeString": "string memory"
                            }
                          ],
                          "expression": {
                            "argumentTypes": null,
                            "id": 7281,
                            "name": "abi",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 7291,
                            "src": "492:3:31",
                            "typeDescriptions": {
                              "typeIdentifier": "t_magic_abi",
                              "typeString": "abi"
                            }
                          },
                          "id": 7282,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "memberName": "encode",
                          "nodeType": "MemberAccess",
                          "referencedDeclaration": null,
                          "src": "492:10:31",
                          "typeDescriptions": {
                            "typeIdentifier": "t_function_abiencode_pure$__$returns$_t_bytes_memory_ptr_$",
                            "typeString": "function () pure returns (bytes memory)"
                          }
                        },
                        "id": 7284,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "functionCall",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "492:15:31",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bytes_memory_ptr",
                          "typeString": "bytes memory"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bytes_memory_ptr",
                          "typeString": "bytes memory"
                        }
                      ],
                      "id": 7280,
                      "name": "keccak256",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 7298,
                      "src": "469:9:31",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$",
                        "typeString": "function (bytes memory) pure returns (bytes32)"
                      }
                    },
                    "id": 7285,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "469:48:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes32",
                      "typeString": "bytes32"
                    }
                  },
                  "functionReturnParameters": 7279,
                  "id": 7286,
                  "nodeType": "Return",
                  "src": "462:55:31"
                }
              ]
            },
            "documentation": null,
            "id": 7288,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "keccak",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 7276,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7275,
                  "name": "key",
                  "nodeType": "VariableDeclaration",
                  "scope": 7288,
                  "src": "368:17:31",
                  "stateVariable": false,
                  "storageLocation": "memory",
                  "typeDescriptions": {
                    "typeIdentifier": "t_string_memory_ptr",
                    "typeString": "string"
                  },
                  "typeName": {
                    "id": 7274,
                    "name": "string",
                    "nodeType": "ElementaryTypeName",
                    "src": "368:6:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_string_storage_ptr",
                      "typeString": "string"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "358:33:31"
            },
            "returnParameters": {
              "id": 7279,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 7278,
                  "name": "",
                  "nodeType": "VariableDeclaration",
                  "scope": 7288,
                  "src": "439:7:31",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes32",
                    "typeString": "bytes32"
                  },
                  "typeName": {
                    "id": 7277,
                    "name": "bytes32",
                    "nodeType": "ElementaryTypeName",
                    "src": "439:7:31",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes32",
                      "typeString": "bytes32"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "438:9:31"
            },
            "scope": 7289,
            "src": "342:182:31",
            "stateMutability": "pure",
            "superFunction": null,
            "visibility": "internal"
          }
        ],
        "scope": 7290,
        "src": "26:500:31"
      }
    ],
    "src": "0:527:31"
  },
  "compiler": {
    "name": "solc",
    "version": "0.5.0+commit.1d4f565a.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "2.0.3",
  "updatedAt": "2020-01-15T10:55:50.250Z"
}