{ "contractName": "OutcomeToken", "abi": [ { "constant": false, "inputs": [ { "name": "spender", "type": "address" }, { "name": "value", "type": "uint256" } ], "name": "approve", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "sender", "type": "address" }, { "name": "recipient", "type": "address" }, { "name": "amount", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "spender", "type": "address" }, { "name": "addedValue", "type": "uint256" } ], "name": "increaseAllowance", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "account", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "spender", "type": "address" }, { "name": "subtractedValue", "type": "uint256" } ], "name": "decreaseAllowance", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "masterCopy", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "recipient", "type": "address" }, { "name": "amount", "type": "uint256" } ], "name": "transfer", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "owner", "type": "address" }, { "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "eventContract", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" } ], "name": "Issuance", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" } ], "name": "Revocation", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "spender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "constant": false, "inputs": [ { "name": "_for", "type": "address" }, { "name": "outcomeTokenCount", "type": "uint256" } ], "name": "issue", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_for", "type": "address" }, { "name": "outcomeTokenCount", "type": "uint256" } ], "name": "revoke", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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George - \",\"methods\":{\"allowance(address,address)\":{\"details\":\"See `IERC20.allowance`.\"},\"approve(address,uint256)\":{\"details\":\"See `IERC20.approve`. * Requirements: * - `spender` cannot be the zero address.\"},\"balanceOf(address)\":{\"details\":\"See `IERC20.balanceOf`.\"},\"decreaseAllowance(address,uint256)\":{\"details\":\"Atomically decreases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`.\"},\"increaseAllowance(address,uint256)\":{\"details\":\"Atomically increases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address.\"},\"issue(address,uint256)\":{\"details\":\"Events contract issues new tokens for address. Returns success\",\"params\":{\"_for\":\"Address of receiver\",\"outcomeTokenCount\":\"Number of tokens to issue\"}},\"revoke(address,uint256)\":{\"details\":\"Events contract revokes tokens for address. Returns success\",\"params\":{\"_for\":\"Address of token holder\",\"outcomeTokenCount\":\"Number of tokens to revoke\"}},\"totalSupply()\":{\"details\":\"See `IERC20.totalSupply`.\"},\"transfer(address,uint256)\":{\"details\":\"See `IERC20.transfer`. * Requirements: * - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See `IERC20.transferFrom`. * Emits an `Approval` event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of `ERC20`; * Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `value`. - the caller must have allowance for `sender`'s tokens of at least `amount`.\"}},\"title\":\"Outcome token contract - Issuing and revoking outcome 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"source": "pragma solidity ^0.5.0;\nimport \"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\";\nimport \"@gnosis.pm/util-contracts/contracts/Proxy.sol\";\n\n\ncontract OutcomeTokenProxy is Proxy {\n /*\n * Storage\n */\n\n // HACK: Lining up storage with StandardToken and OutcomeToken\n mapping(address => uint256) balances;\n uint256 totalSupply_;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n address internal eventContract;\n\n /*\n * Public functions\n */\n /// @dev Constructor sets events contract address\n constructor(address proxied)\n public\n Proxy(proxied)\n {\n eventContract = msg.sender;\n }\n}\n\n/// @title Outcome token contract - Issuing and revoking outcome tokens\n/// @author Stefan George - \ncontract OutcomeToken is Proxied, ERC20 {\n using SafeMath for *;\n\n /*\n * Events\n */\n event Issuance(address indexed owner, uint amount);\n event Revocation(address indexed owner, uint amount);\n\n /*\n * Storage\n */\n address public eventContract;\n\n /*\n * Modifiers\n */\n modifier isEventContract () {\n // Only event contract is allowed to proceed\n require(msg.sender == eventContract);\n _;\n }\n\n /*\n * Public functions\n */\n /// @dev Events contract issues new tokens for address. Returns success\n /// @param _for Address of receiver\n /// @param outcomeTokenCount Number of tokens to issue\n function issue(address _for, uint outcomeTokenCount)\n public\n isEventContract\n {\n _mint(_for, outcomeTokenCount);\n emit Issuance(_for, outcomeTokenCount);\n }\n\n /// @dev Events contract revokes tokens for address. Returns success\n /// @param _for Address of token holder\n /// @param outcomeTokenCount Number of tokens to revoke\n function revoke(address _for, uint outcomeTokenCount)\n public\n isEventContract\n {\n _burn(_for, outcomeTokenCount);\n emit Revocation(_for, outcomeTokenCount);\n }\n}\n", "sourcePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Tokens/OutcomeToken.sol", "ast": { "absolutePath": "/home/alan/src/github.com/gnosis/pm-contracts/contracts/Tokens/OutcomeToken.sol", "exportedSymbols": { "OutcomeToken": [ 5793 ], "OutcomeTokenProxy": [ 5721 ] }, "id": 5794, "nodeType": "SourceUnit", "nodes": [ { "id": 5688, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:27" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "id": 5689, "nodeType": "ImportDirective", "scope": 5794, "sourceUnit": 7779, "src": "24:63:27", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@gnosis.pm/util-contracts/contracts/Proxy.sol", "file": "@gnosis.pm/util-contracts/contracts/Proxy.sol", "id": 5690, "nodeType": "ImportDirective", "scope": 5794, "sourceUnit": 6829, "src": "88:55:27", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 5691, "name": "Proxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6828, "src": "176:5:27", "typeDescriptions": { "typeIdentifier": "t_contract$_Proxy_$6828", "typeString": "contract Proxy" } }, "id": 5692, "nodeType": "InheritanceSpecifier", "src": "176:5:27" } ], "contractDependencies": [ 6798, 6828 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 5721, "linearizedBaseContracts": [ 5721, 6828, 6798 ], "name": "OutcomeTokenProxy", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 5696, "name": "balances", "nodeType": "VariableDeclaration", "scope": 5721, "src": "287:36:27", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 5695, "keyType": { "id": 5693, "name": "address", "nodeType": "ElementaryTypeName", "src": "295:7:27", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "287:27:27", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 5694, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "306:7:27", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5698, "name": "totalSupply_", "nodeType": "VariableDeclaration", "scope": 5721, "src": "329:20:27", "stateVariable": true, "storageLocation": "default", 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Returns success\n @param _for Address of token holder\n @param outcomeTokenCount Number of tokens to revoke", "id": 5792, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 5779, "modifierName": { "argumentTypes": null, "id": 5778, "name": "isEventContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5752, "src": "1930:15:27", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1930:15:27" } ], "name": "revoke", "nodeType": "FunctionDefinition", "parameters": { "id": 5777, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5774, "name": "_for", "nodeType": "VariableDeclaration", "scope": 5792, "src": "1869:12:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5773, "name": "address", "nodeType": "ElementaryTypeName", "src": "1869:7:27", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5776, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 5792, "src": "1883:22:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5775, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1883:4:27", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1868:38:27" }, "returnParameters": { "id": 5780, "nodeType": "ParameterList", "parameters": [], "src": "1950:0:27" }, "scope": 5793, "src": "1853:194:27", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 5794, "src": "796:1253:27" } ], "src": "0:2050:27" }, "compiler": { "name": "solc", "version": "0.5.6+commit.b259423e.Emscripten.clang" }, "networks": { "1": { "events": {}, "links": {}, "address": "0xf69f02bd90eac7bc36b517f9f673bdada3cd3ea5", "transactionHash": "0x9b083bd8beba12b8ea47f75696576f8d2ce21ebe331d1a1bb7b37a9f41e17da9" }, "3": { "events": {}, "links": {}, "address": "0xda3cb186ec5eca5e9c3b65582f96842b8c9eb6da", "transactionHash": "0xf2c86c0660b75f33663693c93bc69a0b2269d3a7f07a2e58aa47fb968150ae45" }, "4": { "events": {}, "links": {}, "address": "0x3a9ce035c518696bac49e70233584e8e51a39545", "transactionHash": "0xdc6cba80c146620e015f0f036759ae80ec8f30f1aabf66a037767299bb235ee0" }, "42": { "events": {}, "links": {}, "address": "0x1cf631ee7524505e37226cfd5328b4e842475e5a", "transactionHash": "0xc1975074bdd7f76c45c5c416a49293cba5fc855ccf908c6a0d21552714639ea5" }, "437894314312": { "events": {}, "links": {}, "address": "0x67b5656d60a809915323bf2c40a8bef15a152e3e", "transactionHash": "0xb7684632c10def84c532855e4feab01af3ebad26fbf9b68d90d161b310ac9c9c" } }, "schemaVersion": "3.0.11", "updatedAt": "2019-09-20T17:46:52.238Z", "devdoc": { "author": "Stefan George - ", "methods": { "allowance(address,address)": { "details": "See `IERC20.allowance`." }, "approve(address,uint256)": { "details": "See `IERC20.approve`. * Requirements: * - `spender` cannot be the zero address." }, "balanceOf(address)": { "details": "See `IERC20.balanceOf`." }, "decreaseAllowance(address,uint256)": { "details": "Atomically decreases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`." }, "increaseAllowance(address,uint256)": { "details": "Atomically increases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address." }, "issue(address,uint256)": { "details": "Events contract issues new tokens for address. Returns success", "params": { "_for": "Address of receiver", "outcomeTokenCount": "Number of tokens to issue" } }, "revoke(address,uint256)": { "details": "Events contract revokes tokens for address. Returns success", "params": { "_for": "Address of token holder", "outcomeTokenCount": "Number of tokens to revoke" } }, "totalSupply()": { "details": "See `IERC20.totalSupply`." }, "transfer(address,uint256)": { "details": "See `IERC20.transfer`. * Requirements: * - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`." }, "transferFrom(address,address,uint256)": { "details": "See `IERC20.transferFrom`. * Emits an `Approval` event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of `ERC20`; * Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `value`. - the caller must have allowance for `sender`'s tokens of at least `amount`." } }, "title": "Outcome token contract - Issuing and revoking outcome tokens" }, "userdoc": { "methods": {} } }