- Contract name:
- ENSRegistryWithFallback
- Optimization enabled
- false
- Compiler version
- v0.5.16+commit.9c3226ce
- EVM Version
- default
- Verified at
- 2020-05-18T15:17:01.895803Z
Constructor Arguments
0000000000000000000000003538040d91f7f827d827c851dff8d3e28b917860
Arg [0] (address) : 0x3538040d91f7f827d827c851dff8d3e28b917860
Contract source code
pragma solidity >=0.4.0;
interface ENS {
// Logged when the owner of a node assigns a new owner to a subnode.
event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);
// Logged when the owner of a node transfers ownership to a new account.
event Transfer(bytes32 indexed node, address owner);
// Logged when the resolver for a node changes.
event NewResolver(bytes32 indexed node, address resolver);
// Logged when the TTL of a node changes
event NewTTL(bytes32 indexed node, uint64 ttl);
// Logged when an operator is added or removed.
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
function setRecord(bytes32 node, address owner, address resolver, uint64 ttl) external;
function setSubnodeRecord(bytes32 node, bytes32 label, address owner, address resolver, uint64 ttl) external;
function setSubnodeOwner(bytes32 node, bytes32 label, address owner) external returns(bytes32);
function setResolver(bytes32 node, address resolver) external;
function setOwner(bytes32 node, address owner) external;
function setTTL(bytes32 node, uint64 ttl) external;
function setApprovalForAll(address operator, bool approved) external;
function owner(bytes32 node) external view returns (address);
function resolver(bytes32 node) external view returns (address);
function ttl(bytes32 node) external view returns (uint64);
function recordExists(bytes32 node) external view returns (bool);
function isApprovedForAll(address owner, address operator) external view returns (bool);
}
/**
* The ENS registry contract.
*/
contract ENSRegistry is ENS {
struct Record {
address owner;
address resolver;
uint64 ttl;
}
mapping (bytes32 => Record) records;
mapping (address => mapping(address => bool)) operators;
// Permits modifications only by the owner of the specified node.
modifier authorised(bytes32 node) {
address owner = records[node].owner;
require(owner == msg.sender || operators[owner][msg.sender]);
_;
}
/**
* @dev Constructs a new ENS registrar.
*/
constructor() public {
records[0x0].owner = msg.sender;
}
/**
* @dev Sets the record for a node.
* @param node The node to update.
* @param owner The address of the new owner.
* @param resolver The address of the resolver.
* @param ttl The TTL in seconds.
*/
function setRecord(bytes32 node, address owner, address resolver, uint64 ttl) external {
setOwner(node, owner);
_setResolverAndTTL(node, resolver, ttl);
}
/**
* @dev Sets the record for a subnode.
* @param node The parent node.
* @param label The hash of the label specifying the subnode.
* @param owner The address of the new owner.
* @param resolver The address of the resolver.
* @param ttl The TTL in seconds.
*/
function setSubnodeRecord(bytes32 node, bytes32 label, address owner, address resolver, uint64 ttl) external {
bytes32 subnode = setSubnodeOwner(node, label, owner);
_setResolverAndTTL(subnode, resolver, ttl);
}
/**
* @dev Transfers ownership of a node to a new address. May only be called by the current owner of the node.
* @param node The node to transfer ownership of.
* @param owner The address of the new owner.
*/
function setOwner(bytes32 node, address owner) public authorised(node) {
_setOwner(node, owner);
emit Transfer(node, owner);
}
/**
* @dev Transfers ownership of a subnode keccak256(node, label) to a new address. May only be called by the owner of the parent node.
* @param node The parent node.
* @param label The hash of the label specifying the subnode.
* @param owner The address of the new owner.
*/
function setSubnodeOwner(bytes32 node, bytes32 label, address owner) public authorised(node) returns(bytes32) {
bytes32 subnode = keccak256(abi.encodePacked(node, label));
_setOwner(subnode, owner);
emit NewOwner(node, label, owner);
return subnode;
}
/**
* @dev Sets the resolver address for the specified node.
* @param node The node to update.
* @param resolver The address of the resolver.
*/
function setResolver(bytes32 node, address resolver) public authorised(node) {
emit NewResolver(node, resolver);
records[node].resolver = resolver;
}
/**
* @dev Sets the TTL for the specified node.
* @param node The node to update.
* @param ttl The TTL in seconds.
*/
function setTTL(bytes32 node, uint64 ttl) public authorised(node) {
emit NewTTL(node, ttl);
records[node].ttl = ttl;
}
/**
* @dev Enable or disable approval for a third party ("operator") to manage
* all of `msg.sender`'s ENS records. Emits the ApprovalForAll event.
* @param operator Address to add to the set of authorized operators.
* @param approved True if the operator is approved, false to revoke approval.
*/
function setApprovalForAll(address operator, bool approved) external {
operators[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
/**
* @dev Returns the address that owns the specified node.
* @param node The specified node.
* @return address of the owner.
*/
function owner(bytes32 node) public view returns (address) {
address addr = records[node].owner;
if (addr == address(this)) {
return address(0x0);
}
return addr;
}
/**
* @dev Returns the address of the resolver for the specified node.
* @param node The specified node.
* @return address of the resolver.
*/
function resolver(bytes32 node) public view returns (address) {
return records[node].resolver;
}
/**
* @dev Returns the TTL of a node, and any records associated with it.
* @param node The specified node.
* @return ttl of the node.
*/
function ttl(bytes32 node) public view returns (uint64) {
return records[node].ttl;
}
/**
* @dev Returns whether a record has been imported to the registry.
* @param node The specified node.
* @return Bool if record exists
*/
function recordExists(bytes32 node) public view returns (bool) {
return records[node].owner != address(0x0);
}
/**
* @dev Query if an address is an authorized operator for another address.
* @param owner The address that owns the records.
* @param operator The address that acts on behalf of the owner.
* @return True if `operator` is an approved operator for `owner`, false otherwise.
*/
function isApprovedForAll(address owner, address operator) external view returns (bool) {
return operators[owner][operator];
}
function _setOwner(bytes32 node, address owner) internal {
records[node].owner = owner;
}
function _setResolverAndTTL(bytes32 node, address resolver, uint64 ttl) internal {
if(resolver != records[node].resolver) {
records[node].resolver = resolver;
emit NewResolver(node, resolver);
}
if(ttl != records[node].ttl) {
records[node].ttl = ttl;
emit NewTTL(node, ttl);
}
}
}
/**
* The ENS registry contract.
*/
contract ENSRegistryWithFallback is ENSRegistry {
ENS public old;
/**
* @dev Constructs a new ENS registrar.
*/
constructor(ENS _old) public ENSRegistry() {
old = _old;
}
/**
* @dev Returns the address of the resolver for the specified node.
* @param node The specified node.
* @return address of the resolver.
*/
function resolver(bytes32 node) public view returns (address) {
if (!recordExists(node)) {
return old.resolver(node);
}
return super.resolver(node);
}
/**
* @dev Returns the address that owns the specified node.
* @param node The specified node.
* @return address of the owner.
*/
function owner(bytes32 node) public view returns (address) {
if (!recordExists(node)) {
return old.owner(node);
}
return super.owner(node);
}
/**
* @dev Returns the TTL of a node, and any records associated with it.
* @param node The specified node.
* @return ttl of the node.
*/
function ttl(bytes32 node) public view returns (uint64) {
if (!recordExists(node)) {
return old.ttl(node);
}
return super.ttl(node);
}
function _setOwner(bytes32 node, address owner) internal {
address addr = owner;
if (addr == address(0x0)) {
addr = address(this);
}
super._setOwner(node, addr);
}
}
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[{"type":"address","name":"_old","internalType":"contract ENS"}]},{"type":"event","name":"ApprovalForAll","inputs":[{"type":"address","name":"owner","internalType":"address","indexed":true},{"type":"address","name":"operator","internalType":"address","indexed":true},{"type":"bool","name":"approved","internalType":"bool","indexed":false}],"anonymous":false},{"type":"event","name":"NewOwner","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"label","internalType":"bytes32","indexed":true},{"type":"address","name":"owner","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"NewResolver","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32","indexed":true},{"type":"address","name":"resolver","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"NewTTL","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32","indexed":true},{"type":"uint64","name":"ttl","internalType":"uint64","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32","indexed":true},{"type":"address","name":"owner","internalType":"address","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isApprovedForAll","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"operator","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"contract ENS"}],"name":"old","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"recordExists","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":"","internalType":"address"}],"name":"resolver","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setApprovalForAll","inputs":[{"type":"address","name":"operator","internalType":"address"},{"type":"bool","name":"approved","internalType":"bool"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setOwner","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"address","name":"owner","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setRecord","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"resolver","internalType":"address"},{"type":"uint64","name":"ttl","internalType":"uint64"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setResolver","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"address","name":"resolver","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"setSubnodeOwner","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"bytes32","name":"label","internalType":"bytes32"},{"type":"address","name":"owner","internalType":"address"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setSubnodeRecord","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"bytes32","name":"label","internalType":"bytes32"},{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"resolver","internalType":"address"},{"type":"uint64","name":"ttl","internalType":"uint64"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setTTL","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"},{"type":"uint64","name":"ttl","internalType":"uint64"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint64","name":"","internalType":"uint64"}],"name":"ttl","inputs":[{"type":"bytes32","name":"node","internalType":"bytes32"}],"constant":true}]
Deployed ByteCode
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