@gnosis.pm/pm-contracts

{ "contractName": "DifficultyOracle", "abi": [ { "constant": true, "inputs": [], "name": "difficulty", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "blockNumber", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "_blockNumber", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "difficulty", "type": "uint256" } ], "name": "OutcomeAssignment", "type": "event" }, { "constant": false, "inputs": [], "name": "setOutcome", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "isOutcomeSet", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "getOutcome", "outputs": [ { "name": "", "type": "int256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": 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George - <stefan@gnosis.pm>\",\"methods\":{\"constructor\":{\"details\":\"Contract constructor validates and sets target block number\",\"params\":{\"_blockNumber\":\"Target block number\"}},\"getOutcome()\":{\"details\":\"Returns difficulty\",\"return\":\"Outcome\"},\"isOutcomeSet()\":{\"details\":\"Returns if difficulty is set\",\"return\":\"Is outcome set?\"},\"setOutcome()\":{\"details\":\"Sets difficulty as winning outcome for specified block\"}},\"title\":\"Difficulty oracle contract - Oracle to resolve difficulty events at given block\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/DifficultyOracle.sol\":\"DifficultyOracle\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/DifficultyOracle.sol\":{\"keccak256\":\"0x18ae9cab2afc6d83dfad172af16b5648188434c4e16ed1e00f28539185f5d066\",\"urls\":[\"bzzr://44b5c9682a99a1434b8b25e5f4159932f8820d447b633dc984263c0b9d6531e6\"]},\"/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/Oracle.sol\":{\"keccak256\":\"0xf4d12f4a59c17e66dfa6791188f621a8914e2038a4e3f72d6fc9fb903ca8e18e\",\"urls\":[\"bzzr://a477ccd203e677cc904b1a4f8fcc85251c5b5e09c5c10eed27e01318584b16d1\"]},\"@gnosis.pm/util-contracts/contracts/Proxy.sol\":{\"keccak256\":\"0xeab0e83a9ec9e7f052c0455a11577061ec6d1994db08dae429abd6faaabf6555\",\"urls\":[\"bzzr://b2c1273d4ec30e2f9e768eea8c510f8493a7359b03e01923d93eea86b57ec145\"]}},\"version\":1}", 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"196:1306:16:-;;;566:180;8:9:-1;5:2;;;30:1;27;20:12;5:2;566:180:16;;;;;;;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;566:180:16;;;;;;;;;;;;;;;;690:12;675;:27;667:36;;;;;;727:12;713:11;:26;;;;566:180;196:1306;;;;;;", "deployedSourceMap": "196:1306:16:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;196:1306:16;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;820:260;;;:::i;:::-;;376:22;;;:::i;:::-;;;;;;;;;;;;;;;;;;;347:23;;;:::i;:::-;;;;;;;;;;;;;;;;;;;1385:115;;;:::i;:::-;;;;;;;;;;;;;;;;;;;1160:163;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;820:260;959:11;;943:12;:27;;:46;;;;;988:1;974:10;;:15;943:46;935:55;;;;;;1013:16;1000:10;:29;;;;1044;1062:10;;1044:29;;;;;;;;;;;;;;;;;;820:260::o;376:22::-;;;;:::o;347:23::-;;;;:::o;1385:115::-;1452:3;1482:10;;1471:22;;1385:115;:::o;1160:163::-;1229:4;1315:1;1302:10;;:14;1295:21;;1160:163;:::o", "source": "pragma solidity ^0.5.0;\nimport \"../Oracles/Oracle.sol\";\n\n\n/// @title Difficulty oracle contract - Oracle to resolve difficulty events at given block\n/// @author Stefan George - <stefan@gnosis.pm>\ncontract DifficultyOracle is Oracle {\n\n /*\n * Events\n */\n event OutcomeAssignment(uint difficulty);\n\n /*\n * Storage\n */\n uint public blockNumber;\n uint public difficulty;\n\n /*\n * Public functions\n */\n /// @dev Contract constructor validates and sets target block number\n /// @param _blockNumber Target block number\n constructor(uint _blockNumber)\n public\n {\n // Block has to be in the future\n require(_blockNumber > block.number);\n blockNumber = _blockNumber;\n }\n\n /// @dev Sets difficulty as winning outcome for specified block\n function setOutcome()\n public\n {\n // Block number was reached and outcome was not set yet\n require(block.number >= blockNumber && difficulty == 0);\n difficulty = block.difficulty;\n emit OutcomeAssignment(difficulty);\n }\n\n /// @dev Returns if difficulty is set\n /// @return Is outcome set?\n function isOutcomeSet()\n public\n view\n returns (bool)\n {\n // Difficulty is always bigger than 0\n return difficulty > 0;\n }\n\n /// @dev Returns difficulty\n /// @return Outcome\n function getOutcome()\n public\n view\n returns (int)\n {\n return int(difficulty);\n }\n}\n", "sourcePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/DifficultyOracle.sol", "ast": { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/DifficultyOracle.sol", "exportedSymbols": { "DifficultyOracle": [ 3945 ] }, "id": 3946, "nodeType": "SourceUnit", "nodes": [ { "id": 3872, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:16" }, { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Oracles/Oracle.sol", "file": "../Oracles/Oracle.sol", "id": 3873, "nodeType": "ImportDirective", "scope": 3946, "sourceUnit": 4842, "src": "24:31:16", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 3874, "name": "Oracle", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4841, "src": "225:6:16", "typeDescriptions": { "typeIdentifier": "t_contract$_Oracle_$4841", "typeString": "contract Oracle" } }, "id": 3875, "nodeType": "InheritanceSpecifier", "src": "225:6:16" } ], "contractDependencies": [ 4841 ], "contractKind": "contract", "documentation": "@title Difficulty oracle contract - Oracle to resolve difficulty events at given block\n @author Stefan George - <stefan@gnosis.pm>", "fullyImplemented": true, "id": 3945, "linearizedBaseContracts": [ 3945, 4841 ], "name": "DifficultyOracle", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": null, "id": 3879, "name": "OutcomeAssignment", "nodeType": "EventDefinition", "parameters": { "id": 3878, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3877, "indexed": false, "name": "difficulty", "nodeType": "VariableDeclaration", "scope": 3879, "src": "293:15:16", "stateVariable": false, "storageLocation": 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