{ "abi": [], "bytecode": { "object": "0x602d6023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea164736f6c6343000706000a", "sourceMap": "134:7684:13:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "linkReferences": {} }, "deployedBytecode": { "object": "0x73000000000000000000000000000000000000000030146080604052600080fdfea164736f6c6343000706000a", "sourceMap": "134:7684:13:-:0;;;;;;;;", "linkReferences": {} }, "methodIdentifiers": {}, "ast": { "absolutePath": "node_modules/@openzeppelin/contracts/utils/Address.sol", "id": 24046, "exportedSymbols": { "Address": [ 24045 ] }, "nodeType": "SourceUnit", "src": "33:7786:13", "nodes": [ { "id": 23751, "nodeType": "PragmaDirective", "src": "33:31:13", "literals": [ "solidity", ">=", "0.6", ".2", "<", "0.8", ".0" ] }, { "id": 24045, "nodeType": "ContractDefinition", "src": "134:7684:13", "nodes": [ { "id": 23769, "nodeType": "FunctionDefinition", "src": "726:413:13", "body": { "id": 23768, "nodeType": "Block", "src": "792:347:13", "statements": [ { "assignments": [ 23761 ], "declarations": [ { "constant": false, "id": 23761, "mutability": "mutable", "name": "size", "nodeType": "VariableDeclaration", "scope": 23768, "src": "989:12:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 23760, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "989:7:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 23762, "nodeType": "VariableDeclarationStatement", "src": "989:12:13" }, { "AST": { "nodeType": "YulBlock", "src": "1076:32:13", "statements": [ { "nodeType": "YulAssignment", "src": "1078:28:13", "value": { "arguments": [ { "name": "account", "nodeType": "YulIdentifier", "src": "1098:7:13" } ], "functionName": { "name": "extcodesize", "nodeType": "YulIdentifier", "src": "1086:11:13" }, "nodeType": "YulFunctionCall", "src": "1086:20:13" }, "variableNames": [ { "name": "size", "nodeType": "YulIdentifier", "src": "1078:4:13" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 23755, "isOffset": false, "isSlot": false, "src": "1098:7:13", "valueSize": 1 }, { "declaration": 23761, "isOffset": false, "isSlot": false, "src": "1078:4:13", "valueSize": 1 } ], "id": 23763, "nodeType": "InlineAssembly", "src": "1067:41:13" }, { "expression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 23766, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 23764, "name": "size", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23761, "src": "1124:4:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "30", "id": 23765, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1131:1:13", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1124:8:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 23759, "id": 23767, "nodeType": "Return", "src": "1117:15:13" } ] }, "documentation": { "id": 23753, "nodeType": "StructuredDocumentation", "src": "156:565:13", "text": " @dev Returns true if `account` is a contract.\n [IMPORTANT]\n ====\n It is unsafe to assume that an address for which this function returns\n false is an externally-owned account (EOA) and not a contract.\n Among others, `isContract` will return false for the following\n types of addresses:\n - an externally-owned account\n - a contract in construction\n - an address where a contract will be created\n - an address where a contract lived, but was destroyed\n ====" }, "implemented": true, "kind": "function", "modifiers": [], "name": "isContract", "parameters": { "id": 23756, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23755, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 23769, "src": "746:15:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 23754, "name": "address", "nodeType": "ElementaryTypeName", "src": "746:7:13", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "745:17:13" }, "returnParameters": { "id": 23759, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23758, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 23769, "src": "786:4:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 23757, "name": "bool", "nodeType": "ElementaryTypeName", "src": "786:4:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "785:6:13" }, "scope": 24045, "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "id": 23803, "nodeType": "FunctionDefinition", "src": "2056:391:13", "body": { "id": 23802, "nodeType": "Block", "src": "2127:320:13", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 23784, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "id": 23780, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2153:4:13", "typeDescriptions": { "typeIdentifier": "t_contract$_Address_$24045", "typeString": "library Address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Address_$24045", "typeString": "library Address" } ], "id": 23779, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2145:7:13", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 23778, "name": "address", "nodeType": "ElementaryTypeName", "src": "2145:7:13", "typeDescriptions": {} } }, "id": 23781, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2145:13:13", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 23782, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "src": "2145:21:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 23783, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23774, "src": "2170:6:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2145:31:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "416464726573733a20696e73756666696369656e742062616c616e6365", "id": 23785, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2178:31:13", "typeDescriptions": { "typeIdentifier": "t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9", "typeString": "literal_string \"Address: insufficient balance\"" }, "value": "Address: insufficient balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9", "typeString": "literal_string \"Address: insufficient balance\"" } ], "id": 23777, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2137:7:13", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 23786, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2137:73:13", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 23787, "nodeType": "ExpressionStatement", "src": "2137:73:13" }, { "assignments": [ 23789, null ], "declarations": [ { "constant": false, "id": 23789, "mutability": "mutable", "name": "success", "nodeType": "VariableDeclaration", "scope": 23802, "src": "2299:12:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 23788, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2299:4:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, null ], "id": 23796, "initialValue": { "arguments": [ { "hexValue": "", "id": 23794, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2349:2:13", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "expression": { "id": 23790, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23772, "src": "2317:9:13", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "id": 23791, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "src": "2317:14:13", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 23793, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "value" ], "nodeType": "FunctionCallOptions", "options": [ { "id": 23792, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23774, "src": "2340:6:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "2317:31:13", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$value", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 23795, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2317:35:13", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "2298:54:13" }, { "expression": { "arguments": [ { "id": 23798, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23789, "src": "2370:7:13", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "416464726573733a20756e61626c6520746f2073656e642076616c75652c20726563697069656e74206d61792068617665207265766572746564", "id": 23799, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2379:60:13", "typeDescriptions": { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" }, "value": "Address: unable to send value, recipient may have reverted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" } ], "id": 23797, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2362:7:13", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 23800, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2362:78:13", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 23801, "nodeType": "ExpressionStatement", "src": "2362:78:13" } ] }, "documentation": { "id": 23770, "nodeType": "StructuredDocumentation", "src": "1145:906:13", "text": " @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n `recipient`, forwarding all available gas and reverting on errors.\n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n of certain opcodes, possibly making contracts go over the 2300 gas limit\n imposed by `transfer`, making them unable to receive funds via\n `transfer`. {sendValue} removes this limitation.\n https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n IMPORTANT: because control is transferred to `recipient`, care must be\n taken to not create reentrancy vulnerabilities. Consider using\n {ReentrancyGuard} or the\n https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]." }, "implemented": true, "kind": "function", "modifiers": [], "name": "sendValue", "parameters": { "id": 23775, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23772, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 23803, "src": "2075:25:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 23771, "name": "address", "nodeType": "ElementaryTypeName", "src": "2075:15:13", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "visibility": "internal" }, { "constant": false, "id": 23774, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 23803, "src": "2102:14:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 23773, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2102:7:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2074:43:13" }, "returnParameters": { "id": 23776, "nodeType": "ParameterList", "parameters": [], "src": "2127:0:13" }, "scope": 24045, "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "id": 23820, "nodeType": "FunctionDefinition", "src": "3188:171:13", "body": { "id": 23819, "nodeType": "Block", "src": "3277:82:13", "statements": [ { "expression": { "arguments": [ { "id": 23814, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23806, "src": "3305:6:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 23815, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23808, "src": "3313:4:13", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c206661696c6564", "id": 23816, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3319:32:13", "typeDescriptions": { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" }, "value": "Address: low-level call failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" } ], "id": 23813, "name": "functionCall", "nodeType": "Identifier", "overloadedDeclarations": [ 23820, 23840 ], "referencedDeclaration": 23840, "src": "3292:12:13", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,string memory) returns (bytes memory)" } }, "id": 23817, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3292:60:13", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 23812, "id": 23818, "nodeType": "Return", "src": "3285:67:13" } ] }, "documentation": { "id": 23804, "nodeType": "StructuredDocumentation", "src": "2453:730:13", "text": " @dev Performs a Solidity function call using a low level `call`. A\n plain`call` is an unsafe replacement for a function call: use this\n function instead.\n If `target` reverts with a revert reason, it is bubbled up by this\n function (like regular Solidity function calls).\n Returns the raw returned data. To convert to the expected return value,\n use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n Requirements:\n - `target` must be a contract.\n - calling `target` with `data` must not revert.\n _Available since v3.1._" }, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "parameters": { "id": 23809, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23806, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "scope": 23820, "src": "3210:14:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 23805, "name": "address", "nodeType": "ElementaryTypeName", "src": "3210:7:13", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 23808, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 23820, "src": "3226:17:13", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 23807, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3226:5:13", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3209:35:13" }, "returnParameters": { "id": 23812, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23811, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 23820, "src": "3263:12:13", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 23810, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3263:5:13", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3262:14:13" }, "scope": 24045, "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "id": 23840, "nodeType": "FunctionDefinition", "src": "3581:193:13", "body": { "id": 23839, "nodeType": "Block", "src": "3698:76:13", "statements": [ { "expression": { "arguments": [ { "id": 23833, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23823, "src": "3737:6:13", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 23834, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23825, "src": "3745:4:13", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "hexValue": "30", "id": 23835, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3751:1:13", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "id": 23836, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23827, "src": "3754:12:13", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 23832, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 23860, 23910 ], "referencedDeclaration": 23910, "src": "3715:21:13", "typeDescriptions": { "typeIdentifier": 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