Skip to content

ZNSStringResolver.md

Latest commit

 

History

History
113 lines (74 loc) · 2.58 KB

ZNSStringResolver.md

File metadata and controls

113 lines (74 loc) · 2.58 KB

ZNSStringResolver

The specific Resolver for ZNS that maps domain hashes to strings.

This Resolver supports ONLY the string type.

resolvedStrings

mapping(bytes32 => string) resolvedStrings

Mapping of domain hash to string used to bind domains to any kinds of text.

constructor

constructor() public

initialize

function initialize(address accessController_, address registry_) external

Initializer for the ZNSStringResolver proxy. Note that setter functions are used instead of direct state variable assignments to use access control at deploy time. Only ADMIN can call this function.

Parameters

Name Type Description
accessController_ address The address of the ZNSAccessController contract
registry_ address The address of the ZNSRegistry contract

resolveDomainString

function resolveDomainString(bytes32 domainHash) external view returns (string)

Returns string associated with a given domain name hash.

Parameters

Name Type Description
domainHash bytes32 The identifying hash of a domain's name

setString

function setString(bytes32 domainHash, string newString) external

Sets the string for a domain name hash.

Parameters

Name Type Description
domainHash bytes32 The identifying hash of a domain's name
newString string The new string to map the domain to

supportsInterface

function supportsInterface(bytes4 interfaceId) public view virtual returns (bool)

ERC-165 check for implementation identifier Supports interfaces IZNSStringResolver and IERC165

Parameters

Name Type Description
interfaceId bytes4 ID to check, XOR of the first 4 bytes of each function signature

getInterfaceId

function getInterfaceId() public pure returns (bytes4)

Exposes IZNSStringResolver interfaceId

setRegistry

function setRegistry(address _registry) public

Sets the address of the ZNSRegistry contract that holds all crucial data for every domain in the system. This function can only be called by the ADMIN.

Parameters

Name Type Description
_registry address The address of the ZNSRegistry contract

_authorizeUpgrade

function _authorizeUpgrade(address) internal view

To use UUPS proxy we override this function and revert if msg.sender isn't authorized