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@decanus @Arachnid
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pragma solidity ^0.5.0;
import "@ensdomains/ens/contracts/ENS.sol";
import "./profiles/ABIResolver.sol";
import "./profiles/AddrResolver.sol";
import "./profiles/ContentHashResolver.sol";
import "./profiles/InterfaceResolver.sol";
import "./profiles/NameResolver.sol";
import "./profiles/PubkeyResolver.sol";
import "./profiles/TextResolver.sol";
* A simple resolver anyone can use; only allows the owner of a node to set its
* address.
contract PublicResolver is ABIResolver, AddrResolver, ContentHashResolver, InterfaceResolver, NameResolver, PubkeyResolver, TextResolver {
ENS ens;
* A mapping of authorisations. An address that is authorised for a name
* may make any changes to the name that the owner could, but may not update
* the set of authorisations.
* (node, owner, caller) => isAuthorised
mapping(bytes32=>mapping(address=>mapping(address=>bool))) public authorisations;
event AuthorisationChanged(bytes32 indexed node, address indexed owner, address indexed target, bool isAuthorised);
constructor(ENS _ens) public {
ens = _ens;
* @dev Sets or clears an authorisation.
* Authorisations are specific to the caller. Any account can set an authorisation
* for any name, but the authorisation that is checked will be that of the
* current owner of a name. Thus, transferring a name effectively clears any
* existing authorisations, and new authorisations can be set in advance of
* an ownership transfer if desired.
* @param node The name to change the authorisation on.
* @param target The address that is to be authorised or deauthorised.
* @param isAuthorised True if the address should be authorised, or false if it should be deauthorised.
function setAuthorisation(bytes32 node, address target, bool isAuthorised) external {
authorisations[node][msg.sender][target] = isAuthorised;
emit AuthorisationChanged(node, msg.sender, target, isAuthorised);
function isAuthorised(bytes32 node) internal view returns(bool) {
address owner = ens.owner(node);
return owner == msg.sender || authorisations[node][owner][msg.sender];
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