use library constants

packages/contracts-periphery/contracts/foundry-tests/OptimistAllowlist.t.sol

@@ -7,6 +7,7 @@ import { AttestationStation } from "../universal/op-nft/AttestationStation.sol";
 import { OptimistAllowlist } from "../universal/op-nft/OptimistAllowlist.sol";
 import { OptimistInviter } from "../universal/op-nft/OptimistInviter.sol";
 import { OptimistInviterHelper } from "../testing/helpers/OptimistInviterHelper.sol";
+import { OptimistConstants } from "../universal/op-nft/libraries/OptimistConstants.sol";
 
 contract OptimistAllowlist_Initializer is Test {
     event AttestationCreated(
@@ -217,7 +218,7 @@ contract OptimistAllowlistTest is OptimistAllowlist_Initializer {
         vm.prank(ted);
         attestationStation.attest(
             bob,
-            optimistInviter.CAN_MINT_FROM_INVITE_ATTESTATION_KEY(),
+            OptimistConstants.OPTIMIST_CAN_MINT_FROM_INVITE_ATTESTATION_KEY,
             bytes("true")
         );
         assertFalse(optimistAllowlist.isAllowedToMint(bob));

packages/contracts-periphery/contracts/universal/op-nft/OptimistAllowlist.sol

@@ -3,6 +3,7 @@ pragma solidity 0.8.15;
 
 import { Semver } from "@eth-optimism/contracts-bedrock/contracts/universal/Semver.sol";
 import { AttestationStation } from "./AttestationStation.sol";
+import { OptimistConstants } from "./libraries/OptimistConstants.sol";
 
 /**
  * @title  OptimistAllowlist
@@ -23,12 +24,6 @@ contract OptimistAllowlist is Semver {
     bytes32 public constant COINBASE_QUEST_ELIGIBLE_ATTESTATION_KEY =
         bytes32("coinbase.quest-eligible");
 
-    /**
-     * @notice Attestation key the OptimistInviter needs to issue to allow an address to mint.
-     */
-    bytes32 public constant OPTIMIST_CAN_MINT_FROM_INVITE_ATTESTATION_KEY =
-        bytes32("optimist.can-mint-from-invite");
-
     /**
      * @notice Address of the AttestationStation contract.
      */
@@ -125,7 +120,7 @@ contract OptimistAllowlist is Semver {
                 .attestations(
                     OPTIMIST_INVITER,
                     _claimer,
-                    OPTIMIST_CAN_MINT_FROM_INVITE_ATTESTATION_KEY
+                    OptimistConstants.OPTIMIST_CAN_MINT_FROM_INVITE_ATTESTATION_KEY
                 )
                 .length > 0;
     }