forked from mirror/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1007 B
36 lines
1007 B
pragma solidity ^0.5.0;
|
|
|
|
import "./ENS.sol";
|
|
|
|
/**
|
|
* A registrar that allocates subdomains to the first person to claim them.
|
|
*/
|
|
contract FIFSRegistrar {
|
|
ENS ens;
|
|
bytes32 rootNode;
|
|
|
|
modifier only_owner(bytes32 label) {
|
|
address currentOwner = ens.owner(keccak256(abi.encodePacked(rootNode, label)));
|
|
require(currentOwner == address(0x0) || currentOwner == msg.sender);
|
|
_;
|
|
}
|
|
|
|
/**
|
|
* Constructor.
|
|
* @param ensAddr The address of the ENS registry.
|
|
* @param node The node that this registrar administers.
|
|
*/
|
|
constructor(ENS ensAddr, bytes32 node) public {
|
|
ens = ensAddr;
|
|
rootNode = node;
|
|
}
|
|
|
|
/**
|
|
* Register a name, or change the owner of an existing registration.
|
|
* @param label The hash of the label to register.
|
|
* @param owner The address of the new owner.
|
|
*/
|
|
function register(bytes32 label, address owner) public only_owner(label) {
|
|
ens.setSubnodeOwner(rootNode, label, owner);
|
|
}
|
|
} |