DotnsResolver

Inherits: Initializable, UUPSUpgradeable, OwnableUpgradeable, ERC165Upgradeable, IDotnsResolver

Title: Dotns Resolver

Stores forward-resolution address records for DotNS nodes

Writes are gated on node ownership in the forward registry, not on a privileged writer address. Address records describe where a name points and only the current node owner has the authority to set that target.

Note: security-contact: admin@parity.io

State Variables

protocolRegistry

Protocol-level address registry for all DotNS contracts.

IDotnsProtocolRegistry public protocolRegistry

__gap

Reserved storage space to allow for layout changes in the future.

uint256[50] private __gap

addresses

Node => resolved address.

mapping(bytes32 node => address owner) private addresses

Functions

onlyNodeOwner

Restricts access to the owner of node as recorded in the registry.

modifier onlyNodeOwner(bytes32 node) ;

Parameters

Name	Type	Description
`node`	`bytes32`	Node identifier.

constructor

Note: oz-upgrades-unsafe-allow: constructor

constructor() ;

initialize

Initialises the resolver.

Runs once through the UUPS proxy; a repeat call reverts with

Note: reverts: InvalidInitialization. Emits @custom:emits OwnershipTransferred when msg.sender is recorded as the initial owner and @custom:emits Initialized once setup completes.

function initialize(IDotnsProtocolRegistry registry) external initializer;

Parameters

Name	Type	Description
`registry`	`IDotnsProtocolRegistry`	Protocol-level address registry used to resolve sibling contracts.

setAddress

Sets the resolved address for a node.

The caller must be the current owner of node in the forward registry, otherwise

Note: reverts: NotAuthorised. Emits @custom:emits AddressSet on every successful write.

function setAddress(bytes32 node, address value) external override onlyNodeOwner(node);

Parameters

Name	Type	Description
`node`	`bytes32`	The node identifier.
`value`	`address`	The address to associate with the node.

addressOf

Returns the resolved address for a node.

function addressOf(bytes32 node) external view override returns (address value);

Parameters

Name	Type	Description
`node`	`bytes32`	The node identifier.

Returns

Name	Type	Description
`value`	`address`	The resolved address, or zero if unset.

supportsInterface

function supportsInterface(bytes4 interfaceId) public view override returns (bool);

_onlyNodeOwner

Internal ownership check for a registry node.

Resolves the registry lazily through protocolRegistry so a registry upgrade or rewire is picked up automatically without a resolver upgrade.

function _onlyNodeOwner(bytes32 node) internal view;

Parameters

Name	Type	Description
`node`	`bytes32`	Node identifier.

version

Returns implementation version.

function version() external pure virtual returns (string memory versionString);

Returns

Name	Type	Description
`versionString`	`string`	Current version string.

_authorizeUpgrade

Function that should revert when msg.sender is not authorized to upgrade the contract. Called by {upgradeToAndCall}. Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.

function _authorizeUpgrade(address) internal onlyOwner {}

function _authorizeUpgrade(address newImplementation) internal override onlyOwner;