{ "contractName": "InterfaceResolver", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "a", "type": "address" } ], "name": "AddrChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "uint256", "name": "coinType", "type": "uint256" }, { "indexed": false, "internalType": "bytes", "name": "newAddress", "type": "bytes" } ], "name": "AddressChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": true, "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }, { "indexed": false, "internalType": "address", "name": "implementer", "type": "address" } ], "name": "InterfaceChanged", "type": "event" }, { "constant": true, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "addr", "outputs": [ { "internalType": "address payable", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "coinType", "type": "uint256" } ], "name": "addr", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "coinType", "type": "uint256" }, { "internalType": "bytes", "name": "a", "type": "bytes" } ], "name": "setAddr", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "address", "name": "a", "type": "address" } ], "name": "setAddr", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }, { "internalType": "address", "name": "implementer", "type": "address" } ], "name": "setInterface", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" } ], "name": "interfaceImplementer", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "pure", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"a\",\"type\":\"address\"}],\"name\":\"AddrChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"coinType\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"newAddress\",\"type\":\"bytes\"}],\"name\":\"AddressChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes4\",\"name\":\"interfaceID\",\"type\":\"bytes4\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"implementer\",\"type\":\"address\"}],\"name\":\"InterfaceChanged\",\"type\":\"event\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"}],\"name\":\"addr\",\"outputs\":[{\"internalType\":\"address payable\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"coinType\",\"type\":\"uint256\"}],\"name\":\"addr\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"internalType\":\"bytes4\",\"name\":\"interfaceID\",\"type\":\"bytes4\"}],\"name\":\"interfaceImplementer\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"coinType\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"a\",\"type\":\"bytes\"}],\"name\":\"setAddr\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"a\",\"type\":\"address\"}],\"name\":\"setAddr\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"node\",\"type\":\"bytes32\"},{\"internalType\":\"bytes4\",\"name\":\"interfaceID\",\"type\":\"bytes4\"},{\"internalType\":\"address\",\"name\":\"implementer\",\"type\":\"address\"}],\"name\":\"setInterface\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceID\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"pure\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{\"addr(bytes32)\":{\"params\":{\"node\":\"The ENS node to query.\"},\"return\":\"The associated address.\"},\"interfaceImplementer(bytes32,bytes4)\":{\"params\":{\"interfaceID\":\"The EIP 168 interface ID to check for.\",\"node\":\"The ENS node to query.\"},\"return\":\"The address that implements this interface, or 0 if the interface is unsupported.\"},\"setAddr(bytes32,address)\":{\"params\":{\"a\":\"The address to set.\",\"node\":\"The node to update.\"}},\"setInterface(bytes32,bytes4,address)\":{\"params\":{\"implementer\":\"The address of a contract that implements this interface for this node.\",\"interfaceID\":\"The EIP 168 interface ID.\",\"node\":\"The node to update.\"}}}},\"userdoc\":{\"methods\":{\"addr(bytes32)\":{\"notice\":\"Returns the address associated with an ENS node.\"},\"interfaceImplementer(bytes32,bytes4)\":{\"notice\":\"Returns the address of a contract that implements the specified interface for this name. If an implementer has not been set for this interfaceID and name, the resolver will query the contract at `addr()`. If `addr()` is set, a contract exists at that address, and that contract implements EIP168 and returns `true` for the specified interfaceID, its address will be returned.\"},\"setAddr(bytes32,address)\":{\"notice\":\"Sets the address associated with an ENS node. May only be called by the owner of that node in the ENS registry.\"},\"setInterface(bytes32,bytes4,address)\":{\"notice\":\"Sets an interface associated with a name. Setting the address to 0 restores the default behaviour of querying the contract at `addr()` for interface support.\"}}}},\"settings\":{\"compilationTarget\":{\"@ensdomains/resolver/contracts/profiles/InterfaceResolver.sol\":\"InterfaceResolver\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@ensdomains/resolver/contracts/ResolverBase.sol\":{\"keccak256\":\"0xfc7d550960829127576d6fc3080513d74ef18a6d7057d0d9262ce071890053e8\",\"urls\":[\"bzz-raw://dc477afd53175b96112bb0e2e25ce85b1f7c0e3fe0da4a2e8539d86712583b00\",\"dweb:/ipfs/QmQdwwHEcNMxTWtkrNpkbxtokwiFDdQ5xwPYcuZPRbJQKp\"]},\"@ensdomains/resolver/contracts/profiles/AddrResolver.sol\":{\"keccak256\":\"0xbe84f840b10f6ddc3d695d5905fe4034569c646bdf56b1367c16271aa92071c6\",\"urls\":[\"bzz-raw://e137983721b6fb0864aabf3df090776f7bfb273a25b2f48f8e3033a41e0e2954\",\"dweb:/ipfs/QmdDNEseR3X6eYRDyorT9MUvTXYz6LhxBqFsfLQk5dYZfC\"]},\"@ensdomains/resolver/contracts/profiles/InterfaceResolver.sol\":{\"keccak256\":\"0x6398dc59dd38501acd6a716173793e84aa1c454c3e21c190e10ddbe54dd8be41\",\"urls\":[\"bzz-raw://7b3af5c29db8d4c13631b3ec427e5dc6dee1a5df0560d36b32deda2451e4bc11\",\"dweb:/ipfs/QmXe2sWt31kEELa4VPU84QUUK6UDw6mQANc9gMVezoqioP\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\nimport \"../ResolverBase.sol\";\nimport \"./AddrResolver.sol\";\n\ncontract InterfaceResolver is ResolverBase, AddrResolver {\n bytes4 constant private INTERFACE_INTERFACE_ID = bytes4(keccak256(\"interfaceImplementer(bytes32,bytes4)\"));\n bytes4 private constant INTERFACE_META_ID = 0x01ffc9a7;\n\n event InterfaceChanged(bytes32 indexed node, bytes4 indexed interfaceID, address implementer);\n\n mapping(bytes32=>mapping(bytes4=>address)) interfaces;\n\n /**\n * Sets an interface associated with a name.\n * Setting the address to 0 restores the default behaviour of querying the contract at `addr()` for interface support.\n * @param node The node to update.\n * @param interfaceID The EIP 168 interface ID.\n * @param implementer The address of a contract that implements this interface for this node.\n */\n function setInterface(bytes32 node, bytes4 interfaceID, address implementer) external authorised(node) {\n interfaces[node][interfaceID] = implementer;\n emit InterfaceChanged(node, interfaceID, implementer);\n }\n\n /**\n * Returns the address of a contract that implements the specified interface for this name.\n * If an implementer has not been set for this interfaceID and name, the resolver will query\n * the contract at `addr()`. If `addr()` is set, a contract exists at that address, and that\n * contract implements EIP168 and returns `true` for the specified interfaceID, its address\n * will be returned.\n * @param node The ENS node to query.\n * @param interfaceID The EIP 168 interface ID to check for.\n * @return The address that implements this interface, or 0 if the interface is unsupported.\n */\n function interfaceImplementer(bytes32 node, bytes4 interfaceID) external view returns (address) {\n address implementer = interfaces[node][interfaceID];\n if(implementer != address(0)) {\n return implementer;\n }\n\n address a = addr(node);\n if(a == address(0)) {\n return address(0);\n }\n\n (bool success, bytes memory returnData) = a.staticcall(abi.encodeWithSignature(\"supportsInterface(bytes4)\", INTERFACE_META_ID));\n if(!success || returnData.length < 32 || returnData[31] == 0) {\n // EIP 168 not supported by target\n return address(0);\n }\n\n (success, returnData) = a.staticcall(abi.encodeWithSignature(\"supportsInterface(bytes4)\", interfaceID));\n if(!success || returnData.length < 32 || returnData[31] == 0) {\n // Specified interface not supported by target\n return address(0);\n }\n\n return a;\n }\n\n function supportsInterface(bytes4 interfaceID) public pure returns(bool) {\n return interfaceID == INTERFACE_INTERFACE_ID || super.supportsInterface(interfaceID);\n }\n}\n", "sourcePath": "@ensdomains/resolver/contracts/profiles/InterfaceResolver.sol", "ast": { "absolutePath": "@ensdomains/resolver/contracts/profiles/InterfaceResolver.sol", "exportedSymbols": { "InterfaceResolver": [ 10537 ] }, "id": 10538, "nodeType": "SourceUnit", "nodes": [ { "id": 10352, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:38" }, { "absolutePath": "@ensdomains/resolver/contracts/ResolverBase.sol", "file": "../ResolverBase.sol", "id": 10353, "nodeType": "ImportDirective", "scope": 10538, "sourceUnit": 9555, "src": "25:29:38", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@ensdomains/resolver/contracts/profiles/AddrResolver.sol", "file": "./AddrResolver.sol", "id": 10354, "nodeType": "ImportDirective", "scope": 10538, "sourceUnit": 9850, "src": "55:28:38", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10355, "name": "ResolverBase", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9554, "src": "115:12:38", "typeDescriptions": { "typeIdentifier": "t_contract$_ResolverBase_$9554", "typeString": "contract ResolverBase" } }, "id": 10356, "nodeType": "InheritanceSpecifier", "src": "115:12:38" }, { "arguments": null, "baseName": { "contractScope": null, "id": 10357, "name": "AddrResolver", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9849, "src": "129:12:38", "typeDescriptions": { "typeIdentifier": "t_contract$_AddrResolver_$9849", "typeString": "contract AddrResolver" } }, "id": 10358, "nodeType": "InheritanceSpecifier", "src": "129:12:38" } ], "contractDependencies": [ 9554, 9849 ], "contractKind": "contract", "documentation": null, "fullyImplemented": false, "id": 10537, "linearizedBaseContracts": [ 10537, 9849, 9554 ], "name": "InterfaceResolver", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 10365, "name": "INTERFACE_INTERFACE_ID", "nodeType": "VariableDeclaration", "scope": 10537, "src": "148:106:38", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 10359, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "148:6:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "696e74657266616365496d706c656d656e74657228627974657333322c62797465733429", "id": 10362, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "214:38:38", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_124a319c1247f4318c3c16c7e9cc865d0fb5d80d7bf02f56cafc0d14da020850", "typeString": "literal_string \"interfaceImplementer(bytes32,bytes4)\"" }, "value": "interfaceImplementer(bytes32,bytes4)" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_124a319c1247f4318c3c16c7e9cc865d0fb5d80d7bf02f56cafc0d14da020850", "typeString": "literal_string \"interfaceImplementer(bytes32,bytes4)\"" } ], "id": 10361, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 13004, "src": "204:9:38", "typeDescriptions": { "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$", "typeString": "function (bytes memory) pure returns (bytes32)" } }, "id": 10363, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "204:49:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 10360, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "197:6:38", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes4_$", "typeString": "type(bytes4)" }, "typeName": "bytes4" }, "id": 10364, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "197:57:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "visibility": "private" }, { "constant": true, "id": 10368, "name": "INTERFACE_META_ID", "nodeType": "VariableDeclaration", "scope": 10537, "src": "260:54:38", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 10366, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "260:6:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": { "argumentTypes": null, "hexValue": "30783031666663396137", "id": 10367, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "304:10:38", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_33540519_by_1", "typeString": "int_const 33540519" }, "value": "0x01ffc9a7" }, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 10376, "name": "InterfaceChanged", "nodeType": "EventDefinition", "parameters": { "id": 10375, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10370, "indexed": true, "name": "node", "nodeType": "VariableDeclaration", "scope": 10376, "src": "344:20:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10369, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "344:7:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10372, "indexed": true, "name": "interfaceID", "nodeType": "VariableDeclaration", "scope": 10376, "src": "366:26:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 10371, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "366:6:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10374, "indexed": false, "name": "implementer", "nodeType": "VariableDeclaration", "scope": 10376, "src": "394:19:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10373, "name": "address", "nodeType": "ElementaryTypeName", "src": "394:7:38", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "343:71:38" }, "src": "321:94:38" }, { "constant": false, "id": 10382, "name": "interfaces", "nodeType": "VariableDeclaration", "scope": 10537, "src": "421:53:38", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_bytes4_$_t_address_$_$", "typeString": "mapping(bytes32 => mapping(bytes4 => address))" }, "typeName": { "id": 10381, "keyType": { "id": 10377, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "429:7:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "421:42:38", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_bytes4_$_t_address_$_$", "typeString": "mapping(bytes32 => mapping(bytes4 => address))" }, "valueType": { "id": 10380, "keyType": { "id": 10378, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "446:6:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "Mapping", "src": "438:24:38", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes4_$_t_address_$", "typeString": "mapping(bytes4 => address)" }, "valueType": { "id": 10379, "name": "address", "nodeType": "ElementaryTypeName", "src": "454:7:38", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } } }, "value": null, "visibility": "internal" }, { "body": { "id": 10408, "nodeType": "Block", "src": "961:123:38", "statements": [ { "expression": { "argumentTypes": null, "id": 10400, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 10394, "name": "interfaces", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10382, "src": "971:10:38", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_bytes4_$_t_address_$_$", "typeString": "mapping(bytes32 => mapping(bytes4 => address))" } }, "id": 10397, "indexExpression": { "argumentTypes": null, "id": 10395, "name": "node", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10384, "src": "982:4:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "971:16:38", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes4_$_t_address_$", "typeString": "mapping(bytes4 => address)" } }, "id": 10398, "indexExpression": { "argumentTypes": null, "id": 10396, "name": "interfaceID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10386, "src": "988:11:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "971:29:38", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10399, "name": "implementer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10388, "src": "1003:11:38", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "971:43:38", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10401, "nodeType": "ExpressionStatement", "src": "971:43:38" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10403, "name": "node", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10384, "src": "1046:4:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "argumentTypes": null, "id": 10404, "name": "interfaceID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10386, "src": "1052:11:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 10405, "name": "implementer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10388, "src": "1065:11:38", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10402, "name": "InterfaceChanged", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10376, "src": "1029:16:38", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_bytes32_$_t_bytes4_$_t_address_$returns$__$", "typeString": "function (bytes32,bytes4,address)" } }, "id": 10406, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1029:48:38", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10407, "nodeType": "EmitStatement", "src": "1024:53:38" } ] }, "documentation": "Sets an interface associated with a name.\nSetting the address to 0 restores the default behaviour of querying the contract at `addr()` for interface support.\n@param node The node to update.\n@param interfaceID The EIP 168 interface ID.\n@param implementer The address of a contract that implements this interface for this node.", "id": 10409, "implemented": true, "kind": "function", "modifiers": [ { "arguments": [ { "argumentTypes": null, "id": 10391, "name": "node", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10384, "src": "955:4:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "id": 10392, "modifierName": { "argumentTypes": null, "id": 10390, "name": "authorised", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9521, "src": "944:10:38", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_bytes32_$", "typeString": "modifier (bytes32)" } }, "nodeType": "ModifierInvocation", "src": "944:16:38" } ], "name": "setInterface", "nodeType": "FunctionDefinition", "parameters": { "id": 10389, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10384, "name": 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"default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10418, "name": "address", "nodeType": "ElementaryTypeName", "src": "1827:7:38", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 10425, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 10420, "name": "interfaces", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10382, "src": "1849:10:38", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_bytes4_$_t_address_$_$", "typeString": "mapping(bytes32 => mapping(bytes4 => address))" } }, "id": 10422, "indexExpression": { "argumentTypes": null, "id": 10421, "name": "node", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10411, "src": "1860:4:38", 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"value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 10446, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2044:7:38", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10448, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2044:10:38", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 10417, "id": 10449, "nodeType": "Return", "src": "2037:17:38" } ] } }, { "assignments": [ 10453, 10455 ], "declarations": [ { "constant": false, "id": 10453, "name": "success", "nodeType": "VariableDeclaration", "scope": 10518, "src": "2076:12:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 10452, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2076:4:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10455, "name": "returnData", "nodeType": "VariableDeclaration", "scope": 10518, "src": "2090:23:38", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 10454, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2090:5:38", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 10464, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "737570706f727473496e746572666163652862797465733429", "id": 10460, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2154:27:38", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_01ffc9a7a5cef8baa21ed3c5c0d7e23accb804b619e9333b597f47a0d84076e2", "typeString": "literal_string \"supportsInterface(bytes4)\"" }, "value": "supportsInterface(bytes4)" }, { "argumentTypes": null, "id": 10461, "name": "INTERFACE_META_ID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10368, "src": "2183:17:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_01ffc9a7a5cef8baa21ed3c5c0d7e23accb804b619e9333b597f47a0d84076e2", "typeString": "literal_string \"supportsInterface(bytes4)\"" }, { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "argumentTypes": null, "id": 10458, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12997, "src": "2130:3:38", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 10459, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSignature", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2130:23:38", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithsignature_pure$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (string memory) pure returns (bytes memory)" } }, "id": 10462, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2130:71:38", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 10456, "name": "a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10436, "src": "2117:1:38", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10457, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "staticcall", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2117:12:38", "typeDescriptions": { "typeIdentifier": "t_function_barestaticcall_view$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) view returns (bool,bytes memory)" } }, "id": 10463, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2117:85:38", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "2075:127:38" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 10477, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 10471, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10466, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "2215:8:38", "subExpression": { "argumentTypes": null, "id": 10465, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10453, "src": "2216:7:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" 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"rightExpression": { "argumentTypes": null, "hexValue": "3332", "id": 10469, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2247:2:38", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "2227:22:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "2215:34:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" }, "id": 10476, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 10472, "name": "returnData", "nodeType": "Identifier", "overloadedDeclarations": [], 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"overloadedDeclarations": [], "referencedDeclaration": 12997, "src": "2410:3:38", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 10490, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSignature", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2410:23:38", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithsignature_pure$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (string memory) pure returns (bytes memory)" } }, "id": 10493, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2410:65:38", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { 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"typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10496, "nodeType": "ExpressionStatement", "src": "2373:103:38" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 10509, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 10503, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10498, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "2489:8:38", "subExpression": { "argumentTypes": null, "id": 10497, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10453, "src": "2490:7:38", "typeDescriptions": { 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10417, "id": 10517, "nodeType": "Return", "src": "2659:8:38" } ] }, "documentation": "Returns the address of a contract that implements the specified interface for this name.\nIf an implementer has not been set for this interfaceID and name, the resolver will query\nthe contract at `addr()`. If `addr()` is set, a contract exists at that address, and that\ncontract implements EIP168 and returns `true` for the specified interfaceID, its address\nwill be returned.\n@param node The ENS node to query.\n@param interfaceID The EIP 168 interface ID to check for.\n@return The address that implements this interface, or 0 if the interface is unsupported.", "id": 10519, "implemented": true, "kind": "function", "modifiers": [], "name": "interfaceImplementer", "nodeType": "FunctionDefinition", "parameters": { "id": 10414, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10411, "name": "node", "nodeType": "VariableDeclaration", "scope": 10519, "src": "1751:12:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10410, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1751:7:38", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": 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"stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1807:9:38" }, "scope": 10537, "src": "1721:953:38", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": { "id": 10535, "nodeType": "Block", "src": "2753:101:38", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 10533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 10528, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10526, "name": "interfaceID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10521, "src": "2770:11:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 10527, "name": "INTERFACE_INTERFACE_ID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10365, "src": "2785:22:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "2770:37:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10531, "name": "interfaceID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10521, "src": "2835:11:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "argumentTypes": null, "id": 10529, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 13115, "src": "2811:5:38", "typeDescriptions": { "typeIdentifier": "t_super$_InterfaceResolver_$10537", "typeString": "contract super InterfaceResolver" } }, "id": 10530, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 9848, "src": "2811:23:38", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes4_$returns$_t_bool_$", "typeString": "function (bytes4) pure returns (bool)" } }, "id": 10532, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2811:36:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "2770:77:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 10525, "id": 10534, "nodeType": "Return", "src": "2763:84:38" } ] }, "documentation": null, "id": 10536, "implemented": true, "kind": "function", "modifiers": [], "name": "supportsInterface", "nodeType": "FunctionDefinition", "parameters": { "id": 10522, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10521, "name": "interfaceID", "nodeType": "VariableDeclaration", "scope": 10536, "src": "2707:18:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 10520, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "2707:6:38", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": null, "visibility": "internal" } ], "src": "2706:20:38" }, "returnParameters": { "id": 10525, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10524, "name": "", "nodeType": "VariableDeclaration", "scope": 10536, "src": "2747:4:38", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 10523, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2747:4:38", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "2746:6:38" }, "scope": 10537, "src": "2680:174:38", "stateMutability": "pure", "superFunction": 9848, "visibility": "public" } ], "scope": 10538, "src": "85:2771:38" } ], "src": "0:2857:38" }, "compiler": { "name": "solc", "version": "0.5.16+commit.9c3226ce.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.0", "updatedAt": "2020-06-17T12:57:44.991Z", "devdoc": { "methods": { "addr(bytes32)": { "params": { "node": "The ENS node to query." }, "return": "The associated address." }, "interfaceImplementer(bytes32,bytes4)": { "params": { "interfaceID": "The EIP 168 interface ID to check for.", "node": "The ENS node to query." }, "return": "The address that implements this interface, or 0 if the interface is unsupported." }, "setAddr(bytes32,address)": { "params": { "a": "The address to set.", "node": "The node to update." } }, "setInterface(bytes32,bytes4,address)": { "params": { "implementer": "The address of a contract that implements this interface for this node.", "interfaceID": "The EIP 168 interface ID.", "node": "The node to update." } } } }, "userdoc": { "methods": { "addr(bytes32)": { "notice": "Returns the address associated with an ENS node." }, "interfaceImplementer(bytes32,bytes4)": { "notice": "Returns the address of a contract that implements the specified interface for this name. If an implementer has not been set for this interfaceID and name, the resolver will query the contract at `addr()`. If `addr()` is set, a contract exists at that address, and that contract implements EIP168 and returns `true` for the specified interfaceID, its address will be returned." }, "setAddr(bytes32,address)": { "notice": "Sets the address associated with an ENS node. May only be called by the owner of that node in the ENS registry." }, "setInterface(bytes32,bytes4,address)": { "notice": "Sets an interface associated with a name. Setting the address to 0 restores the default behaviour of querying the contract at `addr()` for interface support." } } } }