{ "contractName": "StowPermissions", "abi": [ { "constant": true, "inputs": [], "name": "hub", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "bytes32" }, { "name": "", "type": "address" } ], "name": "permissions", "outputs": [ { "name": "canAccess", "type": "bool" }, { "name": "dataUri", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "unpause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "destroy", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "pause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" }, { "name": "", "type": "address" } ], "name": "delegates", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_recipient", "type": "address" } ], "name": "destroyAndSend", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "name": "_hub", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "payable": false, "stateMutability": "nonpayable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "dataHash", "type": "bytes32" }, { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "viewer", "type": "address" }, { "indexed": false, "name": "sender", "type": "address" } ], "name": "StowAccessGranted", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "dataHash", "type": "bytes32" }, { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "viewer", "type": "address" }, { "indexed": false, "name": "sender", "type": "address" } ], "name": "StowAccessRevoked", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "user", "type": "address" }, { "indexed": true, "name": "delegate", "type": "address" } ], "name": "StowPermissionDelegateAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "dataHash", "type": "bytes32" }, { "indexed": false, "name": "dataUri", "type": "string" }, { "indexed": true, "name": "viewer", "type": "address" }, { "indexed": true, "name": "policy", "type": "address" }, { "indexed": false, "name": "isOk", "type": "bool" }, { "indexed": false, "name": "sender", "type": "address" } ], "name": "StowPolicyChecked", "type": "event" }, { "anonymous": false, "inputs": [], "name": "Pause", "type": "event" }, { "anonymous": false, "inputs": [], "name": "Unpause", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" } ], "name": "OwnershipRenounced", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": true, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" } ], "name": "checkAccess", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "delegate", "type": "address" } ], "name": "addDelegate", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" }, { "name": "dataUri", "type": "string" } ], "name": "grantAccess", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" }, { "name": "owner", "type": "address" }, { "name": "dataUri", "type": "string" } ], "name": "grantAccessbyDelegate", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" }, { "name": "dataUri", "type": "string" }, { "name": "policies", "type": "address[]" } ], "name": "grantPolicyBasedAccess", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" } ], "name": "revokeAccess", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "dataHash", "type": "bytes32" }, { "name": "viewer", "type": "address" }, { "name": "owner", "type": "address" } ], "name": "revokeAccessbyDelegate", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": 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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\";\n\nimport \"./StowHub.sol\";\nimport \"./StowRecords.sol\";\nimport \"./StowUsers.sol\";\nimport \"./interfaces/PermissionPolicyI.sol\";\n\n\ncontract StowPermissions is Ownable, Pausable, Destructible {\n struct Permission {\n bool canAccess;\n // data path of the data, encrypted to the viewer\n string dataUri;\n }\n\n event StowAccessGranted(bytes32 indexed dataHash, address indexed owner,\n address indexed viewer, address sender\n );\n event StowAccessRevoked(bytes32 indexed dataHash, address indexed owner,\n address indexed viewer, address sender\n );\n event StowPermissionDelegateAdded(address indexed user, address indexed delegate);\n\n event StowPolicyChecked(\n bytes32 indexed dataHash,\n string dataUri,\n address indexed viewer,\n address indexed policy,\n bool isOk,\n address sender\n );\n\n StowHub public hub;\n // dataHash => viewer => permission mapping\n mapping(bytes32 => mapping(address => Permission)) public permissions;\n // user => delegate => bool mapping\n mapping(address => mapping(address => bool)) public delegates;\n\n /* Modifiers */\n modifier onlyUser() {\n require(hub.usersContract().isUser(msg.sender));\n _;\n }\n\n modifier onlyRecordOwnerOf(bytes32 dataHash, address owner) {\n require(hub.recordsContract().recordOwnerOf(dataHash) == owner);\n _;\n }\n\n modifier onlyWhenSenderIsDelegate(address owner) {\n require(delegates[owner][msg.sender]);\n _;\n }\n\n /* Constructor */\n constructor(StowHub _hub) public {\n hub = _hub;\n }\n\n /* Fallback function */\n function () public { }\n\n /* External functions */\n\n /// Check if a viewer has access to a record\n /// @param dataHash the hash of the unencrypted data\n /// @param viewer the address being allowed to view the data\n\n function checkAccess(bytes32 dataHash, address viewer)\n view\n external\n returns (bool)\n {\n return permissions[dataHash][viewer].canAccess;\n }\n\n /// Add a delegate for a user's permissions\n /// @param delegate the address of the delegate being added by user\n function addDelegate(address delegate)\n onlyUser\n whenNotPaused\n external\n returns (bool)\n {\n require(delegate != address(0));\n require(delegate != msg.sender);\n delegates[msg.sender][delegate] = true;\n emit StowPermissionDelegateAdded(msg.sender, delegate);\n return true;\n }\n\n /// Give a viewer access to a stow record\n /// Called by owner of the record.\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user being granted permission to view the data\n /// @param dataUri the path of the re-encrypted data\n function grantAccess(\n bytes32 dataHash, address viewer, string dataUri)\n onlyUser\n onlyRecordOwnerOf(dataHash, msg.sender)\n external\n returns (bool)\n {\n require(\n _grantAccess(dataHash, viewer, msg.sender, dataUri)\n );\n return true;\n }\n\n /// Give a viewer access to a stow record\n /// Called by delegate to the owner of the record.\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user being permissioned to view the data\n /// @param owner the owner of the stow record\n /// @param dataUri the path of the re-encrypted data\n function grantAccessbyDelegate(\n bytes32 dataHash, address viewer, address owner, string dataUri)\n onlyWhenSenderIsDelegate(owner)\n onlyRecordOwnerOf(dataHash, owner)\n external\n returns (bool)\n {\n require(\n _grantAccess(dataHash, viewer, owner, dataUri)\n );\n return true;\n }\n\n /// Give a viewer access to a stow record\n /// Called by owner of the record.\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user being granted permission to view the data\n /// @param dataUri the path of the re-encrypted data\n function grantPolicyBasedAccess(\n bytes32 dataHash,\n address viewer,\n string dataUri,\n address[] policies)\n onlyUser\n onlyRecordOwnerOf(dataHash, msg.sender)\n external\n returns (bool)\n {\n require(dataHash != 0);\n\n // check policies and fail on first one that is not ok\n for (uint i = 0; i < policies.length; i++) {\n address curPolicy = policies[i];\n require(curPolicy != address(0));\n PermissionPolicyI currPolicy = PermissionPolicyI(curPolicy);\n bool isOk = currPolicy.checkPolicy(dataHash, viewer, dataUri);\n emit StowPolicyChecked(dataHash, dataUri, viewer, curPolicy, isOk, msg.sender);\n require(isOk);\n }\n\n require(_grantAccess(dataHash, viewer, msg.sender, dataUri));\n return true;\n }\n\n /// Revoke a viewer access to a stow record\n /// Note that this does not necessarily remove the data from storage\n /// Called by owner of the record.\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user that has permission to view the data\n function revokeAccess(\n bytes32 dataHash, address viewer)\n onlyUser\n onlyRecordOwnerOf(dataHash, msg.sender)\n external\n returns (bool)\n {\n require(\n _revokeAccess(dataHash, viewer, msg.sender)\n );\n return true;\n }\n\n /// Revoke a viewer access to a stow record\n /// Note that this does not necessarily remove the data from storage\n /// Called by delegate to the owner of the record.\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user that has permission to view the data\n /// @param owner the owner of the stow record\n function revokeAccessbyDelegate(\n bytes32 dataHash, address viewer, address owner)\n onlyWhenSenderIsDelegate(owner)\n onlyRecordOwnerOf(dataHash, owner)\n external\n returns (bool)\n {\n require(_revokeAccess(dataHash, viewer, owner));\n return true;\n }\n\n /// Internal function to give a viewer access to a stow record\n /// Called by external functions\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user being permissioned to view the data\n /// @param dataUri the data path of the re-encrypted data\n function _grantAccess(bytes32 dataHash, address viewer, address owner, string dataUri)\n whenNotPaused\n internal\n returns (bool)\n {\n // validate input\n require(owner != address(0));\n require(viewer != address(0));\n require(bytes(dataUri).length != 0);\n\n // TODO, Uncomment this to prevent grant access twice, It is commented for testing purposes\n // access must not have already been granted\n // require(!permissions[dataHash][viewer].canAccess);\n permissions[dataHash][viewer] = Permission({\n canAccess: true,\n dataUri: dataUri\n });\n emit StowAccessGranted(dataHash, owner, viewer, msg.sender);\n return true;\n }\n\n /// Internal function to revoke a viewer access to a stow record\n /// Called by external functions\n /// Note that this does not necessarily remove the data from storage\n /// @param dataHash the data hash of the stow record\n /// @param viewer the user that has permission to view the data\n /// @param owner the owner of the stow record\n function _revokeAccess(bytes32 dataHash, address viewer, address owner)\n whenNotPaused\n internal\n returns (bool)\n {\n require(owner != address(0));\n // access must have already been grated\n require(permissions[dataHash][viewer].canAccess);\n permissions[dataHash][viewer] = Permission({\n canAccess: false,\n dataUri: \"\"\n });\n emit StowAccessRevoked(dataHash, owner, viewer, msg.sender);\n return true;\n }\n}\n", "sourcePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowPermissions.sol", "ast": { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowPermissions.sol", "exportedSymbols": { "StowPermissions": [ 711 ] }, "id": 712, "nodeType": "SourceUnit", "nodes": [ { "id": 185, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:2" }, { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Destructible.sol", "file": "openzeppelin-solidity/contracts/lifecycle/Destructible.sol", "id": 186, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 1945, "src": "25:68:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "file": "openzeppelin-solidity/contracts/lifecycle/Pausable.sol", "id": 187, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 2005, "src": "94:64:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "id": 188, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 2185, "src": "159:63:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowHub.sol", "file": "./StowHub.sol", "id": 189, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 184, "src": "224:23:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowRecords.sol", "file": "./StowRecords.sol", "id": 190, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 1461, "src": "248:27:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/StowUsers.sol", "file": "./StowUsers.sol", "id": 191, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 1648, "src": "276:25:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/godfreyhobbs/repo/Linnia-Smart-Contracts/contracts/interfaces/PermissionPolicyI.sol", "file": "./interfaces/PermissionPolicyI.sol", "id": 192, "nodeType": "ImportDirective", "scope": 712, "sourceUnit": 1692, "src": "302:44:2", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 193, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2184, "src": "377:7:2", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$2184", "typeString": "contract Ownable" } }, "id": 194, "nodeType": "InheritanceSpecifier", "src": "377:7:2" }, { "arguments": null, "baseName": { "contractScope": null, "id": 195, "name": "Pausable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2004, "src": "386:8:2", "typeDescriptions": { "typeIdentifier": "t_contract$_Pausable_$2004", "typeString": "contract Pausable" } }, "id": 196, "nodeType": "InheritanceSpecifier", "src": "386:8:2" }, { "arguments": null, "baseName": { "contractScope": null, "id": 197, "name": "Destructible", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1944, "src": "396:12:2", "typeDescriptions": { "typeIdentifier": "t_contract$_Destructible_$1944", "typeString": "contract Destructible" } }, "id": 198, "nodeType": "InheritanceSpecifier", "src": "396:12:2" } ], "contractDependencies": [ 1944, 2004, 2184 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 711, "linearizedBaseContracts": [ 711, 1944, 2004, 2184 ], "name": "StowPermissions", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "StowPermissions.Permission", "id": 203, "members": [ { "constant": false, "id": 200, "name": "canAccess", "nodeType": "VariableDeclaration", "scope": 203, "src": "443:14:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 199, "name": "bool", "nodeType": "ElementaryTypeName", "src": "443:4:2", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 202, "name": "dataUri", "nodeType": "VariableDeclaration", "scope": 203, "src": "525:14:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" }, "typeName": { "id": 201, "name": "string", "nodeType": "ElementaryTypeName", "src": "525:6:2", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "name": "Permission", "nodeType": "StructDefinition", "scope": 711, "src": "415:131:2", "visibility": "public" }, { "anonymous": false, "documentation": null, "id": 213, "name": "StowAccessGranted", "nodeType": "EventDefinition", "parameters": { "id": 212, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 205, "indexed": true, "name": "dataHash", "nodeType": "VariableDeclaration", "scope": 213, "src": "576:24:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 204, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "576:7:2", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 207, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 213, "src": "602:21:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 206, "name": "address", "nodeType": "ElementaryTypeName", "src": "602:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 209, "indexed": true, "name": "viewer", "nodeType": "VariableDeclaration", "scope": 213, "src": "633:22:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 208, "name": "address", "nodeType": "ElementaryTypeName", "src": "633:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 211, "indexed": false, "name": "sender", "nodeType": "VariableDeclaration", "scope": 213, "src": "657:14:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 210, "name": "address", "nodeType": "ElementaryTypeName", "src": "657:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "575:102:2" }, "src": "552:126:2" }, { "anonymous": false, "documentation": null, "id": 223, "name": "StowAccessRevoked", "nodeType": "EventDefinition", "parameters": { "id": 222, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 215, "indexed": true, "name": "dataHash", "nodeType": "VariableDeclaration", "scope": 223, "src": "707:24:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 214, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "707:7:2", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 217, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 223, "src": "733:21:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 216, "name": "address", "nodeType": "ElementaryTypeName", "src": "733:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 219, "indexed": true, "name": "viewer", "nodeType": "VariableDeclaration", "scope": 223, "src": "764:22:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 218, "name": "address", "nodeType": "ElementaryTypeName", "src": "764:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 221, "indexed": false, "name": "sender", "nodeType": "VariableDeclaration", "scope": 223, "src": "788:14:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 220, "name": "address", "nodeType": "ElementaryTypeName", "src": "788:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "706:102:2" }, "src": "683:126:2" }, { "anonymous": false, "documentation": null, "id": 229, "name": "StowPermissionDelegateAdded", "nodeType": "EventDefinition", "parameters": { "id": 228, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 225, "indexed": true, "name": "user", "nodeType": "VariableDeclaration", "scope": 229, "src": "848:20:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 224, "name": "address", "nodeType": "ElementaryTypeName", "src": "848:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 227, "indexed": true, "name": "delegate", "nodeType": "VariableDeclaration", "scope": 229, "src": "870:24:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 226, "name": "address", "nodeType": "ElementaryTypeName", "src": "870:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "847:48:2" }, "src": "814:82:2" }, { "anonymous": false, "documentation": null, "id": 243, "name": "StowPolicyChecked", "nodeType": "EventDefinition", "parameters": { "id": 242, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 231, "indexed": true, "name": "dataHash", "nodeType": "VariableDeclaration", "scope": 243, "src": "935:24:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 230, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "935:7:2", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 233, "indexed": false, "name": "dataUri", "nodeType": "VariableDeclaration", "scope": 243, "src": "969:14:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 232, "name": "string", "nodeType": "ElementaryTypeName", "src": "969:6:2", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 235, "indexed": true, "name": "viewer", "nodeType": "VariableDeclaration", "scope": 243, "src": "993:22:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 234, "name": "address", "nodeType": "ElementaryTypeName", "src": "993:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 237, "indexed": true, "name": "policy", "nodeType": "VariableDeclaration", "scope": 243, "src": "1025:22:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 236, "name": "address", "nodeType": "ElementaryTypeName", "src": 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{ "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "925:171:2" }, "src": "902:195:2" }, { "constant": false, "id": 245, "name": "hub", "nodeType": "VariableDeclaration", "scope": 711, "src": "1103:18:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_StowHub_$183", "typeString": "contract StowHub" }, "typeName": { "contractScope": null, "id": 244, "name": "StowHub", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 183, "src": "1103:7:2", "typeDescriptions": { "typeIdentifier": "t_contract$_StowHub_$183", "typeString": "contract StowHub" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 251, "name": "permissions", "nodeType": "VariableDeclaration", "scope": 711, "src": "1175:69:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_address_$_t_struct$_Permission_$203_storage_$_$", "typeString": "mapping(bytes32 => mapping(address => struct StowPermissions.Permission))" }, "typeName": { "id": 250, "keyType": { "id": 246, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1183:7:2", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "1175:50:2", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_address_$_t_struct$_Permission_$203_storage_$_$", "typeString": "mapping(bytes32 => mapping(address => struct StowPermissions.Permission))" }, "valueType": { "id": 249, "keyType": { "id": 247, "name": "address", "nodeType": "ElementaryTypeName", "src": "1202:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1194:30:2", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_struct$_Permission_$203_storage_$", 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