github.com/ethereum-optimism/optimism@v1.7.2/packages/contracts-bedrock/src/periphery/op-nft/libraries/OptimistConstants.sol (about) 1 // SPDX-License-Identifier: MIT 2 pragma solidity 0.8.15; 3 4 /// @title OptimistConstants 5 /// @notice Library for storing Optimist related constants that are shared in multiple contracts. 6 library OptimistConstants { 7 /// @notice Attestation key issued by OptimistInviter allowing the attested account to mint. 8 bytes32 internal constant OPTIMIST_CAN_MINT_FROM_INVITE_ATTESTATION_KEY = bytes32("optimist.can-mint-from-invite"); 9 }