File: contracts/Basket.sol   #1

42:           require(_isApprovedOrOwner(msg.sender, 0), "withdraw:not allowed");
File: contracts/NibblVault.sol   #2

486:          require(msg.sender == curator,"NibblVault: Only Curator");
File: contracts/NibblVault.sol   #3

505:          require(msg.sender == bidder,"NibblVault: Only winner");
