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"source": "pragma solidity 0.4.24;\n\nimport \"openzeppelin-solidity/contracts/lifecycle/Destructible.sol\";\nimport \"openzeppelin-solidity/contracts/lifecycle/Pausable.sol\";\nimport \"openzeppelin-solidity/contracts/ownership/Ownable.sol\";\nimport \"./StowWhitelistI.sol\";\nimport \"./StowHub.sol\";\n\n\ncontract StowUsers is Ownable, Pausable, Destructible {\n struct User {\n bool exists;\n uint registerBlocktime;\n uint provenance;\n }\n\n event StowUserRegistered(address indexed user);\n event StowProvenanceChanged(address indexed user, uint provenance);\n event StowWhitelistScoreAdded(address indexed whitelist);\n\n StowHub public hub;\n mapping(address => User) public users;\n\n constructor(StowHub _hub) public {\n hub = _hub;\n }\n\n /* Fallback function */\n function () public { }\n\n /* External functions */\n\n // register allows any user to self register on Stow\n function register()\n whenNotPaused\n external\n returns (bool)\n {\n require(!isUser(msg.sender));\n users[msg.sender] = User({\n exists: true,\n registerBlocktime: block.number,\n provenance: 0\n });\n emit StowUserRegistered(msg.sender);\n return true;\n }\n\n // setExpertScore allows admin to set the expert score of a user from a trusted third party\n function setExpertScore(StowWhitelistI whitelist, address user)\n onlyOwner\n external\n returns (bool)\n {\n uint score = whitelist.expertScoreOf(user);\n setProvenance(user, score);\n emit StowWhitelistScoreAdded(whitelist);\n return true;\n }\n\n /* Public functions */\n\n // setProvenance allows admin to set the provenance of a user\n function setProvenance(address user, uint provenance)\n onlyOwner\n public\n returns (bool)\n {\n require(isUser(user));\n users[user].provenance = provenance;\n emit StowProvenanceChanged(user, provenance);\n return true;\n }\n\n function isUser(address user)\n public\n view\n returns (bool)\n {\n return users[user].exists;\n }\n\n function provenanceOf(address user)\n public\n view\n returns (uint)\n {\n if (users[user].exists) {\n return users[user].provenance;\n } else {\n return 0;\n }\n }\n}\n", "sourcePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowUsers.sol", "ast": { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowUsers.sol", "exportedSymbols": { "StowUsers": [ 1647 ] }, "id": 1648, "nodeType": "SourceUnit", "nodes": [ { "id": 1462, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:4" }, { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Destructible.sol", "file": "openzeppelin-solidity/contracts/lifecycle/Destructible.sol", "id": 1463, "nodeType": "ImportDirective", "scope": 1648, "sourceUnit": 1945, "src": "25:68:4", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "file": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "id": 1464, "nodeType": "ImportDirective", "scope": 1648, "sourceUnit": 2005, "src": "94:64:4", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "id": 1465, "nodeType": "ImportDirective", "scope": 1648, "sourceUnit": 2185, "src": "159:63:4", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowWhitelistI.sol", "file": "./StowWhitelistI.sol", "id": 1466, "nodeType": "ImportDirective", "scope": 1648, "sourceUnit": 1668, "src": "223:30:4", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowHub.sol", "file": "./StowHub.sol", "id": 1467, "nodeType": "ImportDirective", "scope": 1648, "sourceUnit": 184, "src": "254:23:4", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1468, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2184, "src": "302:7:4", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$2184", "typeString": "contract Ownable" } }, "id": 1469, "nodeType": "InheritanceSpecifier", "src": "302:7:4" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1470, "name": "Pausable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2004, "src": "311:8:4", "typeDescriptions": { "typeIdentifier": "t_contract$_Pausable_$2004", "typeString": "contract Pausable" } }, "id": 1471, "nodeType": "InheritanceSpecifier", "src": "311:8:4" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1472, "name": "Destructible", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1944, "src": "321:12:4", "typeDescriptions": { "typeIdentifier": "t_contract$_Destructible_$1944", "typeString": "contract Destructible" } }, "id": 1473, "nodeType": "InheritanceSpecifier", "src": "321:12:4" } ], "contractDependencies": [ 1944, 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