{ "contractName": "EnumerableMap", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Library for managing an enumerable variant of Solidity's https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`] type. * Maps have the following properties: * - Entries are added, removed, and checked for existence in constant time (O(1)). - Entries are enumerated in O(n). No guarantees are made on the ordering. * ``` contract Example { // Add the library methods using EnumerableMap for EnumerableMap.UintToAddressMap; * // Declare a set state variable EnumerableMap.UintToAddressMap private myMap; } ``` * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are supported.\",\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/EnumerableMap.sol\":\"EnumerableMap\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/EnumerableMap.sol\":{\"keccak256\":\"0xfd5cf8319cb84ca04ea407d6fba686d53ad7f5d2bf476f41678f5a751d12a7ea\",\"urls\":[\"bzz-raw://45b75b553c4a9053429609b1c3db481f1728ca00448f01acc4065249bbf87adc\",\"dweb:/ipfs/QmRZH6QM32mJn1GZCAPXUQtBz65H4kk6DsGQbGNo4ZNPy9\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122076dcc94425661dcb0df4ca397bfe2fef59875e725c5ed4e25b40e39ff29bb1bd64736f6c63430006060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122076dcc94425661dcb0df4ca397bfe2fef59875e725c5ed4e25b40e39ff29bb1bd64736f6c63430006060033", "immutableReferences": {}, "sourceMap": "731:7555:78:-:0;;132:2:-1;166:7;155:9;146:7;137:37;255:7;249:14;246:1;241:23;235:4;232:33;222:2;;269:9;222:2;293:9;290:1;283:20;323:4;314:7;306:22;347:7;338;331:24", "deployedSourceMap": "731:7555:78:-:0;;;;;;12:1:-1;9;2:12", "source": "pragma solidity ^0.6.0;\n\n/**\n * @dev Library for managing an enumerable variant of Solidity's\n * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]\n * type.\n *\n * Maps have the following properties:\n *\n * - Entries are added, removed, and checked for existence in constant time\n * (O(1)).\n * - Entries are enumerated in O(n). No guarantees are made on the ordering.\n *\n * ```\n * contract Example {\n * // Add the library methods\n * using EnumerableMap for EnumerableMap.UintToAddressMap;\n *\n * // Declare a set state variable\n * EnumerableMap.UintToAddressMap private myMap;\n * }\n * ```\n *\n * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are\n * supported.\n */\nlibrary EnumerableMap {\n // To implement this library for multiple types with as little code\n // repetition as possible, we write it in terms of a generic Map type with\n // bytes32 keys and values.\n // The Map implementation uses private functions, and user-facing\n // implementations (such as Uint256ToAddressMap) are just wrappers around\n // the underlying Map.\n // This means that we can only create new EnumerableMaps for types that fit\n // in bytes32.\n\n struct MapEntry {\n bytes32 _key;\n bytes32 _value;\n }\n\n struct Map {\n // Storage of map keys and values\n MapEntry[] _entries;\n\n // Position of the entry defined by a key in the `entries` array, plus 1\n // because index 0 means a key is not in the map.\n mapping (bytes32 => uint256) _indexes;\n }\n\n /**\n * @dev Adds a key-value pair to a map, or updates the value for an existing\n * key. O(1).\n *\n * Returns true if the key was added to the map, that is if it was not\n * already present.\n */\n function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {\n // We read and store the key's index to prevent multiple reads from the same storage slot\n uint256 keyIndex = map._indexes[key];\n\n if (keyIndex == 0) { // Equivalent to !contains(map, key)\n map._entries.push(MapEntry({ _key: key, _value: value }));\n // The entry is stored at length-1, but we add 1 to all indexes\n // and use 0 as a sentinel value\n map._indexes[key] = map._entries.length;\n return true;\n } else {\n map._entries[keyIndex - 1]._value = value;\n return false;\n }\n }\n\n /**\n * @dev Removes a key-value pair from a map. O(1).\n *\n * Returns true if the key was removed from the map, that is if it was present.\n */\n function _remove(Map storage map, bytes32 key) private returns (bool) {\n // We read and store the key's index to prevent multiple reads from the same storage slot\n uint256 keyIndex = map._indexes[key];\n\n if (keyIndex != 0) { // Equivalent to contains(map, key)\n // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one\n // in the array, and then remove the last entry (sometimes called as 'swap and pop').\n // This modifies the order of the array, as noted in {at}.\n\n uint256 toDeleteIndex = keyIndex - 1;\n uint256 lastIndex = map._entries.length - 1;\n\n // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs\n // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.\n\n MapEntry storage lastEntry = map._entries[lastIndex];\n\n // Move the last entry to the index where the entry to delete is\n map._entries[toDeleteIndex] = lastEntry;\n // Update the index for the moved entry\n map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based\n\n // Delete the slot where the moved entry was stored\n map._entries.pop();\n\n // Delete the index for the deleted slot\n delete map._indexes[key];\n\n return true;\n } else {\n return false;\n }\n }\n\n /**\n * @dev Returns true if the key is in the map. O(1).\n */\n function _contains(Map storage map, bytes32 key) private view returns (bool) {\n return map._indexes[key] != 0;\n }\n\n /**\n * @dev Returns the number of key-value pairs in the map. O(1).\n */\n function _length(Map storage map) private view returns (uint256) {\n return map._entries.length;\n }\n\n /**\n * @dev Returns the key-value pair stored at position `index` in the map. O(1).\n *\n * Note that there are no guarantees on the ordering of entries inside the\n * array, and it may change when more entries are added or removed.\n *\n * Requirements:\n *\n * - `index` must be strictly less than {length}.\n */\n function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {\n require(map._entries.length > index, \"EnumerableMap: index out of bounds\");\n\n MapEntry storage entry = map._entries[index];\n return (entry._key, entry._value);\n }\n\n /**\n * @dev Returns the value associated with `key`. O(1).\n *\n * Requirements:\n *\n * - `key` must be in the map.\n */\n function _get(Map storage map, bytes32 key) private view returns (bytes32) {\n return _get(map, key, \"EnumerableMap: nonexistent key\");\n }\n\n /**\n * @dev Same as {_get}, with a custom error message when `key` is not in the map.\n */\n function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {\n uint256 keyIndex = map._indexes[key];\n require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)\n return map._entries[keyIndex - 1]._value; // All indexes are 1-based\n }\n\n // UintToAddressMap\n\n struct UintToAddressMap {\n Map _inner;\n }\n\n /**\n * @dev Adds a key-value pair to a map, or updates the value for an existing\n * key. O(1).\n *\n * Returns true if the key was added to the map, that is if it was not\n * already present.\n */\n function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {\n return _set(map._inner, bytes32(key), bytes32(uint256(value)));\n }\n\n /**\n * @dev Removes a value from a set. O(1).\n *\n * Returns true if the key was removed from the map, that is if it was present.\n */\n function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {\n return _remove(map._inner, bytes32(key));\n }\n\n /**\n * @dev Returns true if the key is in the map. O(1).\n */\n function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {\n return _contains(map._inner, bytes32(key));\n }\n\n /**\n * @dev Returns the number of elements in the map. O(1).\n */\n function length(UintToAddressMap storage map) internal view returns (uint256) {\n return _length(map._inner);\n }\n\n /**\n * @dev Returns the element stored at position `index` in the set. O(1).\n * Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n *\n * Requirements:\n *\n * - `index` must be strictly less than {length}.\n */\n function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {\n (bytes32 key, bytes32 value) = _at(map._inner, index);\n return (uint256(key), address(uint256(value)));\n }\n\n /**\n * @dev Returns the value associated with `key`. O(1).\n *\n * Requirements:\n *\n * - `key` must be in the map.\n */\n function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {\n return address(uint256(_get(map._inner, bytes32(key))));\n }\n\n /**\n * @dev Same as {get}, with a custom error message when `key` is not in the map.\n */\n function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {\n return address(uint256(_get(map._inner, bytes32(key), errorMessage)));\n }\n}\n", "sourcePath": "@openzeppelin/contracts/utils/EnumerableMap.sol", "ast": { "absolutePath": "@openzeppelin/contracts/utils/EnumerableMap.sol", "exportedSymbols": { "EnumerableMap": [ 12958 ] }, "id": 12959, "nodeType": "SourceUnit", "nodes": [ { "id": 12505, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:78" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 12506, "nodeType": "StructuredDocumentation", "src": "25:705:78", "text": "@dev Library for managing an enumerable variant of Solidity's\nhttps://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]\ntype.\n * Maps have the following properties:\n * - Entries are added, removed, and checked for existence in constant time\n(O(1)).\n- Entries are enumerated in O(n). No guarantees are made on the ordering.\n * ```\ncontract Example {\n // Add the library methods\n using EnumerableMap for EnumerableMap.UintToAddressMap;\n * // Declare a set state variable\n EnumerableMap.UintToAddressMap private myMap;\n}\n```\n * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are\nsupported." }, "fullyImplemented": true, "id": 12958, "linearizedBaseContracts": [ 12958 ], "name": "EnumerableMap", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "EnumerableMap.MapEntry", "id": 12511, "members": [ { "constant": false, "id": 12508, "mutability": "mutable", "name": "_key", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12511, "src": "1243:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 12507, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1243:7:78", "typeDescriptions": { 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12873, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7519:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12876, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12902, "src": "7528:7:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12875, "name": "address", "nodeType": "ElementaryTypeName", "src": "7528:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "7518:18:78" }, "scope": 12958, "src": "7439:224:78", "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "body": { "id": 12927, "nodeType": "Block", "src": "7903:72:78", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12917, "name": "map", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12905, "src": "7941:3:78", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap storage pointer" } }, "id": 12918, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "_inner", "nodeType": "MemberAccess", "referencedDeclaration": 12782, "src": "7941:10:78", "typeDescriptions": { "typeIdentifier": "t_struct$_Map_$12519_storage", "typeString": "struct EnumerableMap.Map storage ref" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12921, "name": "key", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12907, "src": "7961:3:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 12920, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7953:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": { "id": 12919, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "7953:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12922, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7953:12:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Map_$12519_storage", "typeString": "struct EnumerableMap.Map storage ref" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 12916, "name": "_get", "nodeType": "Identifier", "overloadedDeclarations": [ 12745, 12780 ], "referencedDeclaration": 12745, "src": "7936:4:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Map_$12519_storage_ptr_$_t_bytes32_$returns$_t_bytes32_$", "typeString": "function (struct EnumerableMap.Map storage pointer,bytes32) view returns (bytes32)" } }, "id": 12923, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7936:30:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 12915, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7928:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 12914, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7928:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12924, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7928:39:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 12913, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7920:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 12912, "name": "address", "nodeType": "ElementaryTypeName", "src": "7920:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12925, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7920:48:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 12911, "id": 12926, "nodeType": "Return", "src": "7913:55:78" } ] }, "documentation": { "id": 12903, "nodeType": "StructuredDocumentation", "src": "7669:141:78", "text": "@dev Returns the value associated with `key`. O(1).\n * Requirements:\n * - `key` must be in the map." }, "id": 12928, "implemented": true, "kind": "function", "modifiers": [], "name": "get", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12908, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12905, "mutability": "mutable", "name": "map", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12928, "src": "7828:28:78", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" }, "typeName": { "contractScope": null, "id": 12904, "name": "UintToAddressMap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12783, "src": "7828:16:78", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12907, "mutability": "mutable", "name": "key", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12928, "src": "7858:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12906, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7858:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7827:43:78" }, "returnParameters": { "id": 12911, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12910, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12928, "src": "7894:7:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12909, "name": "address", "nodeType": "ElementaryTypeName", "src": "7894:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "7893:9:78" }, "scope": 12958, "src": "7815:160:78", "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "body": { "id": 12956, "nodeType": "Block", "src": "8198:86:78", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 12945, "name": "map", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12931, "src": "8236:3:78", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap storage pointer" } }, "id": 12946, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "_inner", "nodeType": "MemberAccess", "referencedDeclaration": 12782, "src": "8236:10:78", "typeDescriptions": { "typeIdentifier": "t_struct$_Map_$12519_storage", "typeString": "struct EnumerableMap.Map storage ref" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 12949, "name": "key", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12933, "src": "8256:3:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 12948, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8248:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": { "id": 12947, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "8248:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12950, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8248:12:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "argumentTypes": null, "id": 12951, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12935, "src": "8262:12:78", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Map_$12519_storage", "typeString": "struct EnumerableMap.Map storage ref" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 12944, "name": "_get", "nodeType": "Identifier", "overloadedDeclarations": [ 12745, 12780 ], "referencedDeclaration": 12780, "src": "8231:4:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Map_$12519_storage_ptr_$_t_bytes32_$_t_string_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (struct EnumerableMap.Map storage pointer,bytes32,string memory) view returns (bytes32)" } }, "id": 12952, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8231:44:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 12943, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8223:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 12942, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8223:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12953, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8223:53:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 12941, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8215:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 12940, "name": "address", "nodeType": "ElementaryTypeName", "src": "8215:7:78", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 12954, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8215:62:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 12939, "id": 12955, "nodeType": "Return", "src": "8208:69:78" } ] }, "documentation": { "id": 12929, "nodeType": "StructuredDocumentation", "src": "7981:96:78", "text": "@dev Same as {get}, with a custom error message when `key` is not in the map." }, "id": 12957, "implemented": true, "kind": "function", "modifiers": [], "name": "get", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12936, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12931, "mutability": "mutable", "name": "map", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8095:28:78", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" }, "typeName": { "contractScope": null, "id": 12930, "name": "UintToAddressMap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12783, "src": "8095:16:78", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12933, "mutability": "mutable", "name": "key", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8125:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12932, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8125:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12935, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8138:26:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 12934, "name": "string", "nodeType": "ElementaryTypeName", "src": "8138:6:78", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "8094:71:78" }, "returnParameters": { "id": 12939, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12938, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8189:7:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12937, "name": "address", "nodeType": "ElementaryTypeName", "src": "8189:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "8188:9:78" }, "scope": 12958, "src": "8082:202:78", "stateMutability": "view", "virtual": false, "visibility": "internal" } ], "scope": 12959, "src": "731:7555:78" } ], "src": "0:8287:78" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/utils/EnumerableMap.sol", "exportedSymbols": { "EnumerableMap": [ 12958 ] }, "id": 12959, "nodeType": "SourceUnit", "nodes": [ { "id": 12505, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:78" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 12506, "nodeType": "StructuredDocumentation", "src": "25:705:78", "text": "@dev Library for managing an enumerable variant of Solidity's\nhttps://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]\ntype.\n * Maps have the following properties:\n * - Entries are added, removed, and checked for existence in constant time\n(O(1)).\n- Entries are enumerated in O(n). No guarantees are made on the ordering.\n * ```\ncontract Example {\n // Add the library methods\n using EnumerableMap for EnumerableMap.UintToAddressMap;\n * // Declare a set state variable\n EnumerableMap.UintToAddressMap private myMap;\n}\n```\n * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are\nsupported." }, "fullyImplemented": true, "id": 12958, "linearizedBaseContracts": [ 12958 ], "name": "EnumerableMap", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "EnumerableMap.MapEntry", "id": 12511, "members": [ { "constant": false, "id": 12508, "mutability": "mutable", "name": "_key", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12511, "src": "1243:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 12507, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1243:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12510, "mutability": "mutable", "name": "_value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12511, "src": "1265:14:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 12509, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1265:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "name": "MapEntry", "nodeType": "StructDefinition", "scope": 12958, "src": "1217:69:78", "visibility": "public" }, { "canonicalName": "EnumerableMap.Map", "id": 12519, "members": [ { "constant": false, "id": 12514, "mutability": "mutable", "name": "_entries", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12519, "src": "1355:19:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_MapEntry_$12511_storage_$dyn_storage_ptr", "typeString": "struct EnumerableMap.MapEntry[]" }, "typeName": { "baseType": { "contractScope": null, "id": 12512, "name": "MapEntry", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12511, "src": "1355:8:78", "typeDescriptions": { "typeIdentifier": "t_struct$_MapEntry_$12511_storage_ptr", "typeString": "struct EnumerableMap.MapEntry" } }, "id": 12513, "length": null, "nodeType": "ArrayTypeName", "src": "1355:10:78", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_MapEntry_$12511_storage_$dyn_storage_ptr", "typeString": "struct EnumerableMap.MapEntry[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12518, "mutability": "mutable", "name": "_indexes", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12519, "src": "1524:37:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "typeName": { "id": 12517, "keyType": { "id": 12515, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1533:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "1524:28:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "valueType": { "id": 12516, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1544:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" } ], "name": "Map", "nodeType": "StructDefinition", "scope": 12958, "src": "1292:276:78", "visibility": "public" }, { "body": { "id": 12580, "nodeType": "Block", "src": "1877:596:78", "statements": [ { "assignments": [ 12532 ], "declarations": [ { "constant": false, "id": 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false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8215:62:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 12939, "id": 12955, "nodeType": "Return", "src": "8208:69:78" } ] }, "documentation": { "id": 12929, "nodeType": "StructuredDocumentation", "src": "7981:96:78", "text": "@dev Same as {get}, with a custom error message when `key` is not in the map." }, "id": 12957, "implemented": true, "kind": "function", "modifiers": [], "name": "get", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12936, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12931, "mutability": "mutable", "name": "map", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8095:28:78", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" }, "typeName": { "contractScope": null, "id": 12930, "name": "UintToAddressMap", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12783, "src": "8095:16:78", "typeDescriptions": { "typeIdentifier": "t_struct$_UintToAddressMap_$12783_storage_ptr", "typeString": "struct EnumerableMap.UintToAddressMap" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12933, "mutability": "mutable", "name": "key", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8125:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12932, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8125:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12935, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8138:26:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 12934, "name": "string", "nodeType": "ElementaryTypeName", "src": "8138:6:78", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "8094:71:78" }, "returnParameters": { "id": 12939, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12938, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12957, "src": "8189:7:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12937, "name": "address", "nodeType": "ElementaryTypeName", "src": "8189:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "8188:9:78" }, "scope": 12958, "src": "8082:202:78", "stateMutability": "view", "virtual": false, "visibility": "internal" } ], "scope": 12959, "src": "731:7555:78" } ], "src": "0:8287:78" }, "compiler": { "name": "solc", "version": "0.6.6+commit.6c089d02.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2020-04-21T18:10:34.973Z", "devdoc": { "details": "Library for managing an enumerable variant of Solidity's https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`] type. * Maps have the following properties: * - Entries are added, removed, and checked for existence in constant time (O(1)). - Entries are enumerated in O(n). No guarantees are made on the ordering. * ``` contract Example { // Add the library methods using EnumerableMap for EnumerableMap.UintToAddressMap; * // Declare a set state variable EnumerableMap.UintToAddressMap private myMap; } ``` * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are supported.", "methods": {} }, "userdoc": { "methods": {} } }