ISwivel.authRedeem() doesn't have an implementation in Swivel.sol

Lines of code Vulnerability details Impact ZcToken.withdraw and ZcToken.redeem will always revert because Swivel.sol doesn't contain authRedeem function. Proof of Concept ZcToken.withdraw and ZcToken.redeem call MarketPlace.authRedeem and ISwivelswivel.authRedeem isn't implemented. I think...