LSP17Extension
Module to create a contract that can act as an extension.
Implementation of the extension logic according to LSP17ContractExtension. This module can be inherited to provide context of the msg variable related to the extendable contract
Public Methods​
Public methods are accessible externally from users, allowing interaction with this function from dApps or other smart contracts. When marked as 'public', a method can be called both externally and internally, on the other hand, when marked as 'external', a method can only be called externally.
VERSION​
- Specification details: LSP-17-ContractExtension
- Solidity implementation:
LSP17Extension.sol - Function signature:
VERSION() - Function selector:
0xffa1ad74
function VERSION() external view returns (string);
Contract version.
Returns​
| Name | Type | Description |
|---|---|---|
0 | string | - |
supportsInterface​
- Specification details: LSP-17-ContractExtension
- Solidity implementation:
LSP17Extension.sol - Function signature:
supportsInterface(bytes4) - Function selector:
0x01ffc9a7
function supportsInterface(bytes4 interfaceId) external view returns (bool);
See IERC165-supportsInterface.
Parameters​
| Name | Type | Description |
|---|---|---|
interfaceId | bytes4 | - |
Returns​
| Name | Type | Description |
|---|---|---|
0 | bool | - |
Internal Methods​
Any method labeled as internal serves as utility function within the contract. They can be used when writing solidity contracts that inherit from this contract. These methods can be extended or modified by overriding their internal behavior to suit specific needs.
Internal functions cannot be called externally, whether from other smart contracts, dApp interfaces, or backend services. Their restricted accessibility ensures that they remain exclusively available within the context of the current contract, promoting controlled and encapsulated usage of these internal utilities.
_extendableMsgData​
function _extendableMsgData() internal view returns (bytes);
Returns the original msg.data passed to the extendable contract
without the appended msg.sender and msg.value.
_extendableMsgSender​
function _extendableMsgSender() internal view returns (address);
Returns the original msg.sender calling the extendable contract.
_extendableMsgValue​
function _extendableMsgValue() internal view returns (uint256);
Returns the original msg.value sent to the extendable contract.