{ "contractName": "OwnerManager", "abi": [ { "constant": true, "inputs": [], "name": "SENTINEL_OWNERS", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "owner", "type": "address" }, { "name": "_threshold", "type": "uint8" } ], "name": "addOwnerWithThreshold", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "prevOwner", "type": "address" }, { "name": "owner", "type": "address" }, { "name": "_threshold", "type": "uint8" } ], "name": "removeOwner", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "prevOwner", "type": "address" }, { "name": "oldOwner", "type": "address" }, { "name": "newOwner", "type": "address" } ], "name": "swapOwner", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": 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"source": "pragma solidity 0.4.24;\nimport \"./SelfAuthorized.sol\";\n\n/// @title OwnerManager - Manages a set of owners and a threshold to perform actions.\n/// @author Stefan George - \n/// @author Richard Meissner - \ncontract OwnerManager is SelfAuthorized {\n\n address public constant SENTINEL_OWNERS = address(0x1);\n\n mapping(address => address) internal owners;\n uint256 ownerCount;\n uint8 internal threshold;\n\n /// @dev Setup function sets initial storage of contract.\n /// @param _owners List of Safe owners.\n /// @param _threshold Number of required confirmations for a Safe transaction.\n function setupOwners(address[] _owners, uint8 _threshold)\n internal\n {\n // Threshold can only be 0 at initialization.\n // Check ensures that setup function can only be called once.\n require(threshold == 0, \"Owners have already been setup\");\n // Validate that threshold is smaller than number of added owners.\n require(_threshold <= _owners.length, \"Threshold cannot exceed owner count\");\n // There has to be at least one Safe owner.\n require(_threshold >= 1, \"Threshold needs to be greater than 0\");\n // Initializing Safe owners.\n address currentOwner = SENTINEL_OWNERS;\n for (uint256 i = 0; i < _owners.length; i++) {\n // Owner address cannot be null.\n address owner = _owners[i];\n require(owner != 0 && owner != SENTINEL_OWNERS, \"Invalid owner address provided\");\n // No duplicate owners allowed.\n require(owners[owner] == 0, \"Duplicate owner address provided\");\n owners[currentOwner] = owner;\n currentOwner = owner;\n }\n owners[currentOwner] = SENTINEL_OWNERS;\n ownerCount = _owners.length;\n threshold = _threshold;\n }\n\n /// @dev Allows to add a new owner to the Safe and update the threshold at the same time.\n /// This can only be done via a Safe transaction.\n /// @param owner New owner address.\n /// @param _threshold New threshold.\n function addOwnerWithThreshold(address owner, uint8 _threshold)\n public\n authorized\n {\n // Owner address cannot be null.\n require(owner != 0 && owner != SENTINEL_OWNERS, \"Invalid owner address provided\");\n // No duplicate owners allowed.\n require(owners[owner] == 0, \"Address is already an owner\");\n owners[owner] = owners[SENTINEL_OWNERS];\n owners[SENTINEL_OWNERS] = owner;\n ownerCount++;\n // Change threshold if threshold was changed.\n if (threshold != _threshold)\n changeThreshold(_threshold);\n }\n\n /// @dev Allows to remove an owner from the Safe and update the threshold at the same time.\n /// This can only be done via a Safe transaction.\n /// @param prevOwner Owner that pointed to the owner to be removed in the linked list\n /// @param owner Owner address to be removed.\n /// @param _threshold New threshold.\n function removeOwner(address prevOwner, address owner, uint8 _threshold)\n public\n authorized\n {\n // Only allow to remove an owner, if threshold can still be reached.\n require(ownerCount - 1 >= _threshold, \"New owner count needs to be larger than new threshold\");\n // Validate owner address corresponds to owner index.\n require(owners[prevOwner] == owner, \"Invalid prevOwner, owner pair provided\");\n owners[prevOwner] = owners[owner];\n owners[owner] = 0;\n ownerCount--;\n // Change threshold if threshold was changed.\n if (threshold != _threshold)\n changeThreshold(_threshold);\n }\n\n /// @dev Allows to swap/replace an owner from the Safe with another address.\n /// This can only be done via a Safe transaction.\n /// @param prevOwner Owner that pointed to the owner to be replaced in the linked list\n /// @param oldOwner Owner address to be replaced.\n /// @param newOwner New owner address.\n function swapOwner(address prevOwner, address oldOwner, address newOwner)\n public\n authorized\n {\n // Owner address cannot be null.\n require(newOwner != 0 && newOwner != SENTINEL_OWNERS, \"Invalid owner address provided\");\n // No duplicate owners allowed.\n require(owners[newOwner] == 0, \"Address is already an owner\");\n // Validate owner address corresponds to owner index.\n require(owners[prevOwner] == oldOwner, \"Invalid prevOwner, owner pair provided\");\n owners[newOwner] = owners[oldOwner];\n owners[prevOwner] = newOwner;\n owners[oldOwner] = 0;\n }\n\n /// @dev Allows to update the number of required confirmations by Safe owners.\n /// This can only be done via a Safe transaction.\n /// @param _threshold New threshold.\n function changeThreshold(uint8 _threshold)\n public\n authorized\n {\n // Validate that threshold is smaller than number of owners.\n require(_threshold <= ownerCount, \"Threshold cannot exceed owner count\");\n // There has to be at least one Safe owner.\n require(_threshold >= 1, \"Threshold needs to be greater than 0\");\n threshold = _threshold;\n }\n\n function getThreshold()\n public\n view\n returns (uint8)\n {\n return threshold;\n }\n\n function isOwner(address owner)\n public\n view\n returns (bool)\n {\n return owners[owner] != 0;\n }\n\n /// @dev Returns array of owners.\n /// @return Array of Safe owners.\n function getOwners()\n public\n view\n returns (address[])\n {\n address[] memory array = new address[](ownerCount);\n\n // populate return array\n uint256 index = 0;\n address currentOwner = owners[SENTINEL_OWNERS];\n while(currentOwner != SENTINEL_OWNERS) {\n array[index] = currentOwner;\n currentOwner = owners[currentOwner];\n index ++;\n }\n return array;\n }\n}\n", "sourcePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/OwnerManager.sol", "ast": { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/OwnerManager.sol", "exportedSymbols": { "OwnerManager": [ 1504 ] }, "id": 1505, "nodeType": "SourceUnit", "nodes": [ { "id": 1120, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:9" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/SelfAuthorized.sol", "file": "./SelfAuthorized.sol", "id": 1121, "nodeType": "ImportDirective", "scope": 1505, "sourceUnit": 1655, "src": "24:30:9", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1122, "name": "SelfAuthorized", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1654, "src": "265:14:9", "typeDescriptions": { "typeIdentifier": "t_contract$_SelfAuthorized_$1654", "typeString": "contract SelfAuthorized" } }, "id": 1123, "nodeType": "InheritanceSpecifier", "src": "265:14:9" } ], "contractDependencies": [ 1654 ], "contractKind": "contract", "documentation": "@title OwnerManager - Manages a set of owners and a threshold to perform actions.\n @author Stefan George - \n @author Richard Meissner - ", "fullyImplemented": true, "id": 1504, "linearizedBaseContracts": [ 1504, 1654 ], "name": "OwnerManager", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 1128, "name": "SENTINEL_OWNERS", "nodeType": "VariableDeclaration", "scope": 1504, "src": "287:54:9", "stateVariable": true, "storageLocation": "default", 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1167, "name": "currentOwner", "nodeType": "VariableDeclaration", "scope": 1235, "src": "1245:20:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1166, "name": "address", "nodeType": "ElementaryTypeName", "src": "1245:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1169, "initialValue": { "argumentTypes": null, "id": 1168, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "1268:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "1245:38:9" }, { "body": { "id": 1217, "nodeType": "Block", "src": "1338:388:9", "statements": [ { "assignments": [ 1182 ], "declarations": [ { "constant": false, "id": 1182, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1235, "src": "1397:13:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1181, "name": "address", "nodeType": "ElementaryTypeName", "src": "1397:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1186, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1183, "name": "_owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1139, "src": "1413:7:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1185, "indexExpression": { "argumentTypes": null, "id": 1184, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1171, "src": "1421:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1413:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "1397:26:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 1194, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1190, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1188, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1182, "src": "1445:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1189, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1454:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1445:10:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1193, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1191, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1182, "src": "1459:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1192, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "1468:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1459:24:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1445:38:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e76616c6964206f776e657220616464726573732070726f7669646564", "id": 1195, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1485:32:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_21a1cd38818adb750881fbf07c26ce7223dde608fdd9dadd31a0d41afeca2094", "typeString": "literal_string \"Invalid owner address provided\"" }, "value": "Invalid owner address provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_21a1cd38818adb750881fbf07c26ce7223dde608fdd9dadd31a0d41afeca2094", "typeString": "literal_string \"Invalid owner address provided\"" } ], "id": 1187, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "1437:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1196, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1437:81:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1197, "nodeType": "ExpressionStatement", "src": "1437:81:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1203, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1199, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "1584:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1201, "indexExpression": { "argumentTypes": null, "id": 1200, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1182, "src": "1591:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1584:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1202, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1601:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1584:18:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4475706c6963617465206f776e657220616464726573732070726f7669646564", "id": 1204, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1604:34:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_a803fa289679098e38a7f1f6fe43056918c5ab5af07441cb8db77b949c165ca1", "typeString": "literal_string \"Duplicate owner address provided\"" }, "value": "Duplicate owner address provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_a803fa289679098e38a7f1f6fe43056918c5ab5af07441cb8db77b949c165ca1", "typeString": "literal_string \"Duplicate owner address provided\"" } ], "id": 1198, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "1576:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1205, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1576:63:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1206, "nodeType": "ExpressionStatement", "src": "1576:63:9" }, { "expression": { "argumentTypes": null, "id": 1211, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1207, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "1653:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1209, "indexExpression": { "argumentTypes": null, "id": 1208, "name": "currentOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1167, "src": "1660:12:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1653:20:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1210, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1182, "src": "1676:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1653:28:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1212, "nodeType": "ExpressionStatement", "src": "1653:28:9" }, { "expression": { "argumentTypes": null, "id": 1215, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1213, "name": "currentOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1167, "src": "1695:12:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1214, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1182, "src": "1710:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1695:20:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1216, "nodeType": "ExpressionStatement", "src": "1695:20:9" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1177, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1174, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1171, "src": "1313:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1175, "name": "_owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1139, "src": "1317:7:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1176, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1317:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1313:18:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1218, "initializationExpression": { "assignments": [ 1171 ], "declarations": [ { "constant": false, "id": 1171, "name": "i", "nodeType": "VariableDeclaration", "scope": 1235, "src": "1298:9:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1170, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1173, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1172, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1310:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "1298:13:9" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1179, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1333:3:9", "subExpression": { "argumentTypes": null, "id": 1178, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1171, "src": "1333:1:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1180, "nodeType": "ExpressionStatement", "src": "1333:3:9" }, "nodeType": "ForStatement", "src": "1293:433:9" }, { "expression": { "argumentTypes": null, "id": 1223, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1219, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "1735:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1221, "indexExpression": { "argumentTypes": null, "id": 1220, "name": "currentOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1167, "src": "1742:12:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1735:20:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1222, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "1758:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1735:38:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1224, "nodeType": "ExpressionStatement", "src": "1735:38:9" }, { "expression": { "argumentTypes": null, "id": 1228, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1225, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "1783:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1226, "name": "_owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1139, "src": "1796:7:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1227, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1796:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1783:27:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1229, "nodeType": "ExpressionStatement", "src": "1783:27:9" }, { "expression": { "argumentTypes": null, "id": 1232, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1230, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "1820:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1231, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1141, "src": "1832:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "1820:22:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 1233, "nodeType": "ExpressionStatement", "src": "1820:22:9" } ] }, "documentation": "@dev Setup function sets initial storage of contract.\n @param _owners List of Safe owners.\n @param _threshold Number of required confirmations for a Safe transaction.", "id": 1235, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "setupOwners", "nodeType": "FunctionDefinition", "parameters": { "id": 1142, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1139, "name": "_owners", "nodeType": "VariableDeclaration", "scope": 1235, "src": "662:17:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[]" }, "typeName": { "baseType": { "id": 1137, "name": "address", "nodeType": "ElementaryTypeName", "src": "662:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1138, "length": null, "nodeType": "ArrayTypeName", "src": "662:9:9", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1141, "name": "_threshold", "nodeType": "VariableDeclaration", "scope": 1235, "src": "681:16:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1140, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "681:5:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "661:37:9" }, "payable": false, "returnParameters": { "id": 1143, "nodeType": "ParameterList", "parameters": [], "src": "720:0:9" }, "scope": 1504, "src": "641:1208:9", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 1289, "nodeType": "Block", "src": "2191:491:9", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 1251, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1247, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1245, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1237, "src": "2250:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1246, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2259:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2250:10:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1250, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1248, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1237, "src": "2264:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1249, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "2273:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": 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"owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "2381:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1258, "indexExpression": { "argumentTypes": null, "id": 1257, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1237, "src": "2388:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2381:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1259, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2398:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2381:18:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4164647265737320697320616c726561647920616e206f776e6572", "id": 1261, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2401:29:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" }, "value": "Address is already an owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" } ], "id": 1255, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "2373:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1262, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2373:58:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1263, "nodeType": "ExpressionStatement", "src": "2373:58:9" }, { "expression": { "argumentTypes": null, "id": 1270, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1264, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": 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"typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1277, "nodeType": "ExpressionStatement", "src": "2490:31:9" }, { "expression": { "argumentTypes": null, "id": 1279, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "2531:12:9", "subExpression": { "argumentTypes": null, "id": 1278, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "2531:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1280, "nodeType": "ExpressionStatement", "src": "2531:12:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1283, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1281, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "2611:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1282, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1239, "src": "2624:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "2611:23:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1288, "nodeType": "IfStatement", "src": "2607:68:9", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1285, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1239, "src": "2664:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 1284, "name": "changeThreshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1432, "src": "2648:15:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$returns$__$", "typeString": "function (uint8)" } }, "id": 1286, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2648:27:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1287, "nodeType": "ExpressionStatement", "src": "2648:27:9" } } ] }, "documentation": "@dev Allows to add a new owner to the Safe and update the threshold at the same time.\n This can only be done via a Safe transaction.\n @param owner New owner address.\n @param _threshold New threshold.", "id": 1290, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1242, "modifierName": { "argumentTypes": null, "id": 1241, "name": "authorized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1653, "src": "2176:10:9", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2176:10:9" } ], "name": "addOwnerWithThreshold", "nodeType": "FunctionDefinition", "parameters": { "id": 1240, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1237, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2120:13:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1236, "name": "address", "nodeType": "ElementaryTypeName", "src": "2120:7:9", "typeDescriptions": { "typeIdentifier": "t_address", 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"typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1306, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1304, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1302, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "3230:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1303, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3243:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "3230:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 1305, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3248:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "3230:28:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6577206f776e657220636f756e74206e6565647320746f206265206c6172676572207468616e206e6577207468726573686f6c64", "id": 1307, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3260:55:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_839b4c4db845de24ec74ef067d85431087d6987a4c904418ee4f6ec699c02482", "typeString": "literal_string \"New owner count needs to be larger than new threshold\"" }, "value": "New owner count needs to be larger than new threshold" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_839b4c4db845de24ec74ef067d85431087d6987a4c904418ee4f6ec699c02482", "typeString": "literal_string \"New owner count needs to be larger than new threshold\"" } ], "id": 1301, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "3222:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1308, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3222:94:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1309, "nodeType": "ExpressionStatement", "src": "3222:94:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1315, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1311, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3396:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1313, "indexExpression": { "argumentTypes": null, "id": 1312, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1292, "src": "3403:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3396:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 1314, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3417:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "3396:26:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e76616c696420707265764f776e65722c206f776e657220706169722070726f7669646564", "id": 1316, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3424:40:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" }, "value": "Invalid prevOwner, owner pair provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" } ], "id": 1310, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "3388:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1317, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3388:77:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1318, "nodeType": "ExpressionStatement", "src": "3388:77:9" }, { "expression": { "argumentTypes": null, "id": 1325, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1319, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3475:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1321, "indexExpression": { "argumentTypes": null, "id": 1320, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1292, "src": "3482:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3475:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1322, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3495:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1324, "indexExpression": { "argumentTypes": null, "id": 1323, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3502:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3495:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "3475:33:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1326, "nodeType": "ExpressionStatement", "src": "3475:33:9" }, { "expression": { "argumentTypes": null, "id": 1331, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1327, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3518:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1329, "indexExpression": { "argumentTypes": null, "id": 1328, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3525:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3518:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 1330, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3534:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3518:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1332, "nodeType": "ExpressionStatement", "src": "3518:17:9" }, { "expression": { "argumentTypes": null, "id": 1334, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "--", "prefix": false, "src": "3545:12:9", "subExpression": { "argumentTypes": null, "id": 1333, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "3545:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1335, "nodeType": "ExpressionStatement", "src": "3545:12:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1338, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1336, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "3625:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1337, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3638:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "3625:23:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1343, "nodeType": "IfStatement", "src": "3621:68:9", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1340, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3678:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 1339, "name": "changeThreshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1432, "src": "3662:15:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$returns$__$", "typeString": "function (uint8)" } }, "id": 1341, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3662:27:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1342, "nodeType": "ExpressionStatement", "src": "3662:27:9" } } ] }, "documentation": "@dev Allows to remove an owner from the Safe and update the threshold at the same time.\n This can only be done via a Safe transaction.\n @param prevOwner Owner that pointed to the owner to be removed in the linked list\n @param owner Owner address to be removed.\n @param _threshold New threshold.", "id": 1345, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1299, "modifierName": { "argumentTypes": null, "id": 1298, "name": "authorized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1653, "src": "3120:10:9", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "3120:10:9" } ], "name": "removeOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 1297, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1292, "name": "prevOwner", "nodeType": "VariableDeclaration", "scope": 1345, "src": "3045:17:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1291, "name": "address", "nodeType": "ElementaryTypeName", "src": "3045:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1294, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1345, "src": "3064:13:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1293, "name": "address", "nodeType": "ElementaryTypeName", "src": "3064:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1296, "name": "_threshold", "nodeType": "VariableDeclaration", "scope": 1345, "src": "3079:16:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1295, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3079:5:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "3044:52:9" }, "payable": false, "returnParameters": { "id": 1300, "nodeType": "ParameterList", "parameters": [], "src": "3135:0:9" }, "scope": 1504, "src": "3024:672:9", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 1405, "nodeType": "Block", "src": "4142:521:9", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 1363, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1359, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1357, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1351, "src": "4201:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1358, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4213:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "4201:13:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1362, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1360, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1351, "src": "4218:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1361, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "4230:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4218:27:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "4201:44:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e76616c6964206f776e657220616464726573732070726f7669646564", "id": 1364, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4247:32:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_21a1cd38818adb750881fbf07c26ce7223dde608fdd9dadd31a0d41afeca2094", "typeString": "literal_string \"Invalid owner address provided\"" }, "value": "Invalid owner address provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_21a1cd38818adb750881fbf07c26ce7223dde608fdd9dadd31a0d41afeca2094", "typeString": "literal_string \"Invalid owner address provided\"" } ], "id": 1356, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "4193:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1365, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4193:87:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1366, "nodeType": "ExpressionStatement", "src": "4193:87:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1372, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1368, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4338:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1370, "indexExpression": { "argumentTypes": null, "id": 1369, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1351, "src": "4345:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4338:16:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1371, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4358:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "4338:21:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4164647265737320697320616c726561647920616e206f776e6572", "id": 1373, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4361:29:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" }, "value": "Address is already an owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" } ], "id": 1367, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "4330:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1374, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4330:61:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1375, "nodeType": "ExpressionStatement", "src": "4330:61:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1381, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1377, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4471:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1379, "indexExpression": { "argumentTypes": null, "id": 1378, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1347, "src": "4478:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4471:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 1380, "name": "oldOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1349, "src": "4492:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4471:29:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e76616c696420707265764f776e65722c206f776e657220706169722070726f7669646564", "id": 1382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4502:40:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" }, "value": "Invalid prevOwner, owner pair provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" } ], "id": 1376, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "4463:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1383, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4463:80:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1384, "nodeType": "ExpressionStatement", "src": "4463:80:9" }, { "expression": { "argumentTypes": null, "id": 1391, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1385, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4553:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1387, "indexExpression": { "argumentTypes": null, "id": 1386, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1351, "src": "4560:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "4553:16:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1388, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4572:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1390, "indexExpression": { "argumentTypes": null, "id": 1389, "name": "oldOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1349, "src": "4579:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4572:16:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4553:35:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1392, "nodeType": "ExpressionStatement", "src": "4553:35:9" }, { "expression": { "argumentTypes": null, "id": 1397, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1393, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4598:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1395, "indexExpression": { "argumentTypes": null, "id": 1394, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1347, "src": "4605:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "4598:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1396, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1351, "src": "4618:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4598:28:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1398, "nodeType": "ExpressionStatement", "src": "4598:28:9" }, { "expression": { "argumentTypes": null, "id": 1403, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1399, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "4636:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1401, "indexExpression": { "argumentTypes": null, "id": 1400, "name": "oldOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1349, "src": "4643:8:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "4636:16:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 1402, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4655:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "4636:20:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1404, "nodeType": "ExpressionStatement", "src": "4636:20:9" } ] }, "documentation": "@dev Allows to swap/replace an owner from the Safe with another address.\n This can only be done via a Safe transaction.\n @param prevOwner Owner that pointed to the owner to be replaced in the linked list\n @param oldOwner Owner address to be replaced.\n @param newOwner New owner address.", "id": 1406, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1354, "modifierName": { "argumentTypes": null, "id": 1353, "name": "authorized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1653, "src": "4127:10:9", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "4127:10:9" } ], "name": "swapOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 1352, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1347, "name": "prevOwner", "nodeType": "VariableDeclaration", "scope": 1406, "src": "4049:17:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": 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"typeString": "uint256" } }, "id": 1229, "nodeType": "ExpressionStatement", "src": "1783:27:9" }, { "expression": { "argumentTypes": null, "id": 1232, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1230, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "1820:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1231, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1141, "src": "1832:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "1820:22:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 1233, "nodeType": "ExpressionStatement", "src": "1820:22:9" } ] }, "documentation": "@dev Setup 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"subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2381:18:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4164647265737320697320616c726561647920616e206f776e6572", "id": 1261, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2401:29:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" }, "value": "Address is already an owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9d461d71e19b25cd406798d062d7e61f961ad52541d3077a543e857810427d47", "typeString": "literal_string \"Address is already an owner\"" } ], 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address)" } }, "id": 1269, "indexExpression": { "argumentTypes": null, "id": 1268, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "2464:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2457:23:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2441:39:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1271, "nodeType": "ExpressionStatement", "src": "2441:39:9" }, { "expression": { "argumentTypes": null, "id": 1276, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1272, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "2490:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1274, "indexExpression": { "argumentTypes": null, "id": 1273, "name": "SENTINEL_OWNERS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1128, "src": "2497:15:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2490:23:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1275, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1237, "src": "2516:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2490:31:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1277, "nodeType": "ExpressionStatement", "src": "2490:31:9" }, { "expression": { "argumentTypes": null, "id": 1279, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "2531:12:9", "subExpression": { "argumentTypes": null, "id": 1278, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "2531:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1280, "nodeType": "ExpressionStatement", "src": "2531:12:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1283, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1281, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "2611:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1282, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1239, "src": "2624:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "2611:23:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1288, "nodeType": "IfStatement", "src": "2607:68:9", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1285, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1239, "src": "2664:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 1284, "name": "changeThreshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1432, "src": "2648:15:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$returns$__$", "typeString": "function (uint8)" } }, "id": 1286, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2648:27:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1287, "nodeType": "ExpressionStatement", "src": "2648:27:9" } } ] }, "documentation": "@dev Allows to add a new owner to the Safe and update the threshold at the same time.\n This can only be done via a Safe transaction.\n @param owner New owner address.\n @param _threshold New threshold.", "id": 1290, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1242, "modifierName": { "argumentTypes": null, "id": 1241, "name": "authorized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1653, "src": "2176:10:9", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2176:10:9" } ], "name": "addOwnerWithThreshold", "nodeType": "FunctionDefinition", "parameters": { "id": 1240, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1237, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2120:13:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1236, "name": "address", "nodeType": "ElementaryTypeName", "src": "2120:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1239, "name": "_threshold", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2135:16:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1238, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2135:5:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "2119:33:9" }, "payable": false, "returnParameters": { "id": 1243, "nodeType": "ParameterList", "parameters": [], "src": "2191:0:9" }, "scope": 1504, "src": "2089:593:9", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 1344, "nodeType": "Block", "src": "3135:561:9", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1306, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1304, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1302, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "3230:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1303, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3243:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "3230:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 1305, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3248:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "3230:28:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6577206f776e657220636f756e74206e6565647320746f206265206c6172676572207468616e206e6577207468726573686f6c64", "id": 1307, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3260:55:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_839b4c4db845de24ec74ef067d85431087d6987a4c904418ee4f6ec699c02482", "typeString": "literal_string \"New owner count needs to be larger than new threshold\"" }, "value": "New owner count needs to be larger than new threshold" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_839b4c4db845de24ec74ef067d85431087d6987a4c904418ee4f6ec699c02482", "typeString": "literal_string \"New owner count needs to be larger than new threshold\"" } ], "id": 1301, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "3222:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1308, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3222:94:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1309, "nodeType": "ExpressionStatement", "src": "3222:94:9" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1315, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1311, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3396:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1313, "indexExpression": { "argumentTypes": null, "id": 1312, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1292, "src": "3403:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3396:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 1314, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3417:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "3396:26:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e76616c696420707265764f776e65722c206f776e657220706169722070726f7669646564", "id": 1316, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3424:40:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" }, "value": "Invalid prevOwner, owner pair provided" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_960698caed81fce71c9b7d572ab2e035b6014a5b812b51df8462ea9817fc4ebc", "typeString": "literal_string \"Invalid prevOwner, owner pair provided\"" } ], "id": 1310, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2657, 2658 ], "referencedDeclaration": 2658, "src": "3388:7:9", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1317, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3388:77:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1318, "nodeType": "ExpressionStatement", "src": "3388:77:9" }, { "expression": { "argumentTypes": null, "id": 1325, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1319, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3475:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1321, "indexExpression": { "argumentTypes": null, "id": 1320, "name": "prevOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1292, "src": "3482:9:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3475:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1322, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3495:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1324, "indexExpression": { "argumentTypes": null, "id": 1323, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3502:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3495:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "3475:33:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1326, "nodeType": "ExpressionStatement", "src": "3475:33:9" }, { "expression": { "argumentTypes": null, "id": 1331, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1327, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1132, "src": "3518:6:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_address_$", "typeString": "mapping(address => address)" } }, "id": 1329, "indexExpression": { "argumentTypes": null, "id": 1328, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1294, "src": "3525:5:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3518:13:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 1330, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3534:1:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3518:17:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1332, "nodeType": "ExpressionStatement", "src": "3518:17:9" }, { "expression": { "argumentTypes": null, "id": 1334, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "--", "prefix": false, "src": "3545:12:9", "subExpression": { "argumentTypes": null, "id": 1333, "name": "ownerCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1134, "src": "3545:10:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1335, "nodeType": "ExpressionStatement", "src": "3545:12:9" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "id": 1338, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1336, "name": "threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1136, "src": "3625:9:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1337, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3638:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "3625:23:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1343, "nodeType": "IfStatement", "src": "3621:68:9", "trueBody": { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1340, "name": "_threshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1296, "src": "3678:10:9", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 1339, "name": "changeThreshold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1432, "src": "3662:15:9", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$returns$__$", "typeString": "function (uint8)" } }, "id": 1341, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3662:27:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1342, "nodeType": "ExpressionStatement", "src": "3662:27:9" } } ] }, "documentation": "@dev Allows to remove an owner from the Safe and update the threshold at the same time.\n This can only be done via a Safe transaction.\n @param prevOwner Owner that pointed to the owner to be removed in the linked list\n @param owner Owner address to be removed.\n @param _threshold New threshold.", "id": 1345, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 1299, "modifierName": { "argumentTypes": null, "id": 1298, "name": "authorized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1653, "src": "3120:10:9", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "3120:10:9" } ], "name": "removeOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 1297, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1292, "name": "prevOwner", "nodeType": "VariableDeclaration", "scope": 1345, "src": "3045:17:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1291, "name": "address", "nodeType": "ElementaryTypeName", "src": "3045:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1294, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1345, "src": "3064:13:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, 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