@realitio/realitio-contracts

{ "contractName": "Arbitrator", "abi": [ { "constant": true, "inputs": [], "name": "metadata", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "foreignProxy", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "foreignChainId", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "bytes32" } ], "name": "arbitration_bounties", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "realitio", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "question_id", "type": "bytes32" }, { "indexed": false, "name": "fee_paid", "type": "uint256" }, { "indexed": false, "name": "requester", "type": "address" }, { "indexed": false, "name": "remaining", "type": "uint256" } ], "name": "LogRequestArbitration", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "realitio", "type": "address" } ], "name": "LogSetRealitio", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "fee", "type": "uint256" } ], "name": "LogSetQuestionFee", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "fee", "type": "uint256" } ], "name": "LogSetDisputeFee", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "question_id", "type": "bytes32" }, { "indexed": false, "name": "fee", "type": "uint256" } ], "name": "LogSetCustomDisputeFee", "type": "event" }, { "constant": true, "inputs": [], "name": "realitycheck", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "addr", "type": "address" } ], "name": "setRealitio", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "fee", "type": "uint256" } ], "name": "setDisputeFee", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "question_id", "type": "bytes32" }, { "name": "fee", "type": "uint256" } ], "name": "setCustomDisputeFee", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "question_id", "type": "bytes32" } ], "name": "getDisputeFee", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "fee", "type": "uint256" } ], "name": "setQuestionFee", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "question_id", "type": "bytes32" }, { "name": "answer", "type": "bytes32" }, { "name": "answerer", "type": "address" } ], "name": "submitAnswerByArbitrator", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "question_id", "type": "bytes32" }, { "name": "answer", "type": "bytes32" }, { "name": "payee_if_wrong", "type": "address" }, { "name": "last_history_hash", "type": "bytes32" }, { "name": "last_answer_or_commitment_id", "type": "bytes32" }, { "name": "last_answerer", "type": "address" } ], "name": "assignWinnerAndSubmitAnswerByArbitrator", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "question_id", "type": "bytes32" } ], "name": "cancelArbitration", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "question_id", "type": "bytes32" }, { "name": "max_previous", "type": "uint256" } ], "name": "requestArbitration", "outputs": [ { "name": "", "type": "bool" } ], "payable": true, "stateMutability": "payable", "type": "function" }, { "constant": false, "inputs": [ { "name": "addr", "type": "address" } ], "name": "withdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_token", "type": "address" }, { "name": "addr", "type": "address" } ], "name": "withdrawERC20", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "callWithdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_metadata", "type": "string" } ], "name": "setMetaData", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.4.25;\n\nimport './Owned.sol';\nimport './IArbitrator.sol';\nimport './IRealitio.sol';\nimport './IERC20.sol';\n\ncontract Arbitrator is Owned, IArbitrator {\n\n IRealitio public realitio;\n\n mapping(bytes32 => uint256) public arbitration_bounties;\n\n uint256 dispute_fee;\n mapping(bytes32 => uint256) custom_dispute_fees;\n\n string public metadata;\n\n event LogRequestArbitration(\n bytes32 indexed question_id,\n uint256 fee_paid,\n address requester,\n uint256 remaining\n );\n\n event LogSetRealitio(\n address realitio\n );\n\n event LogSetQuestionFee(\n uint256 fee\n );\n\n\n event LogSetDisputeFee(\n uint256 fee\n );\n\n event LogSetCustomDisputeFee(\n bytes32 indexed question_id,\n uint256 fee\n );\n\n /// @notice Constructor. Sets the deploying address as owner.\n constructor() \n public {\n owner = msg.sender;\n }\n\n /// @notice Returns the Realitio contract address - deprecated in favour of realitio()\n function realitycheck() \n external view returns(IRealitio) {\n return realitio;\n }\n\n /// @notice Set the Reality Check contract address\n /// @param addr The address of the Reality Check contract\n function setRealitio(address addr) \n onlyOwner \n public {\n realitio = IRealitio(addr);\n emit LogSetRealitio(addr);\n }\n\n /// @notice Set the default fee\n /// @param fee The default fee amount\n function setDisputeFee(uint256 fee) \n onlyOwner \n public {\n dispute_fee = fee;\n emit LogSetDisputeFee(fee);\n }\n\n /// @notice Set a custom fee for this particular question\n /// @param question_id The question in question\n /// @param fee The fee amount\n function setCustomDisputeFee(bytes32 question_id, uint256 fee) \n onlyOwner \n public {\n custom_dispute_fees[question_id] = fee;\n emit LogSetCustomDisputeFee(question_id, fee);\n }\n\n /// @notice Return the dispute fee for the specified question. 0 indicates that we won't arbitrate it.\n /// @param question_id The question in question\n /// @dev Uses a general default, but can be over-ridden on a question-by-question basis.\n function getDisputeFee(bytes32 question_id) \n public view returns (uint256) {\n return (custom_dispute_fees[question_id] > 0) ? custom_dispute_fees[question_id] : dispute_fee;\n }\n\n /// @notice Set a fee for asking a question with us as the arbitrator\n /// @param fee The fee amount\n /// @dev Default is no fee. Unlike the dispute fee, 0 is an acceptable setting.\n /// You could set an impossibly high fee if you want to prevent us being used as arbitrator unless we submit the question.\n /// (Submitting the question ourselves is not implemented here.)\n /// This fee can be used as a revenue source, an anti-spam measure, or both.\n function setQuestionFee(uint256 fee) \n onlyOwner \n public {\n realitio.setQuestionFee(fee);\n emit LogSetQuestionFee(fee);\n }\n\n /// @notice Submit the arbitrator's answer to a question.\n /// @param question_id The question in question\n /// @param answer The answer\n /// @param answerer The answerer. If arbitration changed the answer, it should be the payer. If not, the old answerer.\n function submitAnswerByArbitrator(bytes32 question_id, bytes32 answer, address answerer) \n onlyOwner \n public {\n delete arbitration_bounties[question_id];\n realitio.submitAnswerByArbitrator(question_id, answer, answerer);\n }\n\n /// @notice Submit the arbitrator's answer to a question, assigning the winner automatically.\n /// @param question_id The question in question\n /// @param answer The answer\n /// @param payee_if_wrong The account to by credited as winner if the last answer given is wrong, usually the account that paid the arbitrator\n /// @param last_history_hash The history hash before the final one\n /// @param last_answer_or_commitment_id The last answer given, or the commitment ID if it was a commitment.\n /// @param last_answerer The address that supplied the last answer\n function assignWinnerAndSubmitAnswerByArbitrator(bytes32 question_id, bytes32 answer, address payee_if_wrong, bytes32 last_history_hash, bytes32 last_answer_or_commitment_id, address last_answerer) \n onlyOwner \n public {\n delete arbitration_bounties[question_id];\n realitio.assignWinnerAndSubmitAnswerByArbitrator(question_id, answer, payee_if_wrong, last_history_hash, last_answer_or_commitment_id, last_answerer);\n }\n\n /// @notice Cancel a previous arbitration request\n /// @dev This is intended for situations where the arbitration is happening non-atomically and the fee or something change.\n /// @param question_id The question in question\n function cancelArbitration(bytes32 question_id) \n onlyOwner \n public {\n realitio.cancelArbitration(question_id);\n }\n\n /// @notice Request arbitration, freezing the question until we send submitAnswerByArbitrator\n /// @dev The bounty can be paid only in part, in which case the last person to pay will be considered the payer\n /// Will trigger an error if the notification fails, eg because the question has already been finalized\n /// @param question_id The question in question\n /// @param max_previous If specified, reverts if a bond higher than this was submitted after you sent your transaction.\n function requestArbitration(bytes32 question_id, uint256 max_previous) \n external payable returns (bool) {\n\n uint256 arbitration_fee = getDisputeFee(question_id);\n require(arbitration_fee > 0, \"The arbitrator must have set a non-zero fee for the question\");\n\n arbitration_bounties[question_id] += msg.value;\n uint256 paid = arbitration_bounties[question_id];\n\n if (paid >= arbitration_fee) {\n realitio.notifyOfArbitrationRequest(question_id, msg.sender, max_previous);\n emit LogRequestArbitration(question_id, msg.value, msg.sender, 0);\n return true;\n } else {\n require(!realitio.isFinalized(question_id), \"The question must not have been finalized\");\n emit LogRequestArbitration(question_id, msg.value, msg.sender, arbitration_fee - paid);\n return false;\n }\n\n }\n\n /// @notice Withdraw any accumulated ETH fees to the specified address\n /// @param addr The address to which the balance should be sent\n function withdraw(address addr) \n onlyOwner \n public {\n addr.transfer(address(this).balance); \n }\n\n /// @notice Withdraw any accumulated token fees to the specified address\n /// @param addr The address to which the balance should be sent\n /// @dev Only needed if the Realitio contract used is using an ERC20 token\n /// @dev Also only normally useful if a per-question fee is set, otherwise we only have ETH.\n function withdrawERC20(IERC20 _token, address addr) \n onlyOwner \n public {\n uint256 bal = _token.balanceOf(address(this));\n IERC20(_token).transfer(addr, bal); \n }\n\n function() \n external payable {\n }\n\n /// @notice Withdraw any accumulated question fees from the specified address into this contract\n /// @dev Funds can then be liberated from this contract with our withdraw() function\n /// @dev This works in the same way whether the realitio contract is using ETH or an ERC20 token\n function callWithdraw() \n onlyOwner \n public {\n realitio.withdraw(); \n }\n\n /// @notice Set a metadata string, expected to be JSON, containing things like arbitrator TOS address\n function setMetaData(string _metadata) \n onlyOwner\n external {\n metadata = _metadata;\n }\n\n}\n", "sourcePath": "/home/ed/working/realitio-contracts/truffle/contracts/Arbitrator.sol", "ast": { "absolutePath": "/home/ed/working/realitio-contracts/truffle/contracts/Arbitrator.sol", "exportedSymbols": { "Arbitrator": [ 390 ] }, "id": 391, "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.4", ".25" ], "nodeType": "PragmaDirective", "src": "0:24:0" }, { "absolutePath": "/home/ed/working/realitio-contracts/truffle/contracts/Owned.sol", "file": "./Owned.sol", "id": 2, "nodeType": "ImportDirective", "scope": 391, "sourceUnit": 2749, "src": "26:21:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/ed/working/realitio-contracts/truffle/contracts/IArbitrator.sol", "file": 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