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Diffstat (limited to 'contracts/ens/contract/ENSRegistry.sol')
-rw-r--r-- | contracts/ens/contract/ENSRegistry.sol | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/contracts/ens/contract/ENSRegistry.sol b/contracts/ens/contract/ENSRegistry.sol new file mode 100644 index 000000000..fa19131de --- /dev/null +++ b/contracts/ens/contract/ENSRegistry.sol @@ -0,0 +1,99 @@ +pragma solidity ^0.5.0; + +import "./ENS.sol"; + +/** + * The ENS registry contract. + */ +contract ENSRegistry is ENS { + struct Record { + address owner; + address resolver; + uint64 ttl; + } + + mapping (bytes32 => Record) records; + + // Permits modifications only by the owner of the specified node. + modifier only_owner(bytes32 node) { + require(records[node].owner == msg.sender); + _; + } + + /** + * @dev Constructs a new ENS registrar. + */ + constructor() public { + records[0x0].owner = msg.sender; + } + + /** + * @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) external only_owner(node) { + emit Transfer(node, owner); + records[node].owner = 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) external only_owner(node) { + bytes32 subnode = keccak256(abi.encodePacked(node, label)); + emit NewOwner(node, label, owner); + records[subnode].owner = owner; + } + + /** + * @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) external only_owner(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) external only_owner(node) { + emit NewTTL(node, ttl); + records[node].ttl = ttl; + } + + /** + * @dev Returns the address that owns the specified node. + * @param node The specified node. + * @return address of the owner. + */ + function owner(bytes32 node) external view returns (address) { + return records[node].owner; + } + + /** + * @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) external 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) external view returns (uint64) { + return records[node].ttl; + } + +}
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