Initialize the SuperTokenV1Library in your constructor with the below code.
// initializing the CFA Library
pragma solidity 0.8.14;
import {
ISuperfluid
} from "@superfluid-finance/ethereum-contracts/contracts/interfaces/superfluid/ISuperfluid.sol";
import {
ISuperToken
} from "@superfluid-finance/ethereum-contracts/contracts/interfaces/superfluid/ISuperToken.sol";
import {
SuperTokenV1Library
} from "@superfluid-finance/ethereum-contracts/contracts/apps/SuperTokenV1Library.sol";
contract SomeContractWithSuperTokenV1Library {
using SuperTokenV1Library for ISuperToken;
ISuperToken public token;
constructor(ISuperToken _token) {
token = _token;
}
// your contract code here...
}
