ERC725YFacet
ERC725YFacet
Contract module which provides the ability to set arbitrary data key/value pairs that can be changed over time It is intended to standardise certain data key/value pairs to allow automated read and writes from/to the contract storage
getData
function getData(bytes32 dataKey) public view virtual returns (bytes dataValue)
Gets singular data at a given dataKey
Parameters
| Name | Type | Description |
|---|---|---|
| dataKey | bytes32 | The key which value to retrieve |
Return Values
| Name | Type | Description |
|---|---|---|
| dataValue | bytes | The data stored at the key |
getData
function getData(bytes32[] dataKeys) public view virtual returns (bytes[] dataValues)
Gets array of data for multiple given keys
Parameters
| Name | Type | Description |
|---|---|---|
| dataKeys | bytes32[] | The array of keys which values to retrieve |
Return Values
| Name | Type | Description |
|---|---|---|
| dataValues | bytes[] | The array of data stored at multiple keys |
setData
function setData(bytes32 dataKey, bytes dataValue) public
TODO fix only OWNER
Parameters
| Name | Type | Description |
|---|---|---|
| dataKey | bytes32 | The key to retrieve stored value |
| dataValue | bytes | The value to set SHOULD only be callable by the owner of the contract set via ERC173 Emits a {DataChanged} event. |
setData
function setData(bytes32[] dataKeys, bytes[] dataValues) public
_Sets array of data for multiple given dataKeys
SHOULD only be callable by the owner of the contract set via ERC173
Emits a {DataChanged} event._
Parameters
| Name | Type | Description |
|---|---|---|
| dataKeys | bytes32[] | The array of data keys for values to set |
| dataValues | bytes[] | The array of values to set |
_getData
function _getData(bytes32 dataKey) internal view virtual returns (bytes dataValue)
_setData
function _setData(bytes32 dataKey, bytes dataValue) internal virtual
_uncheckedIncrement
function _uncheckedIncrement(uint256 i) internal pure returns (uint256)
Will return unchecked incremented uint256 can be used to save gas when iterating over loops
supportsInterface
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool)
See {IERC165-supportsInterface}.
_msgSender
function _msgSender() internal view returns (address sender)
onlyOwner
modifier onlyOwner()