ctp: simplify station

packages/contracts-periphery/.gas-snapshot

@@ -10,23 +10,23 @@ AssetReceiverTest:test_withdrawERC20withAmount() (gas: 182146)
 AssetReceiverTest:test_withdrawERC721() (gas: 49097)
 AssetReceiverTest:test_withdrawETH() (gas: 26179)
 AssetReceiverTest:test_withdrawETHwithAmount() (gas: 26108)
-AssetReceiverTest:test_attest_bulk() (gas: 614443)
-AssetReceiverTest:test_attest_individual() (gas: 541558)
-AssetReceiverTest:test_attest_single() (gas: 561966)
+AssetReceiverTest:test_attest_bulk() (gas: 611440)
+AssetReceiverTest:test_attest_individual() (gas: 538514)
+AssetReceiverTest:test_attest_single() (gas: 558962)
 OptimistTest:test_optimist_baseURI() (gas: 116809)
-OptimistTest:test_optimist_burn() (gas: 77525)
+OptimistTest:test_optimist_burn() (gas: 77526)
 OptimistTest:test_optimist_initialize() (gas: 23095)
-OptimistTest:test_optimist_is_on_allow_list() (gas: 52615)
-OptimistTest:test_optimist_mint_already_minted() (gas: 98910)
-OptimistTest:test_optimist_mint_happy_path() (gas: 99174)
+OptimistTest:test_optimist_is_on_allow_list() (gas: 52616)
+OptimistTest:test_optimist_mint_already_minted() (gas: 98911)
+OptimistTest:test_optimist_mint_happy_path() (gas: 99175)
 OptimistTest:test_optimist_mint_no_attestation() (gas: 15897)
-OptimistTest:test_optimist_mint_secondary_minter() (gas: 100575)
-OptimistTest:test_optimist_sbt_approve() (gas: 97283)
-OptimistTest:test_optimist_sbt_transfer() (gas: 102330)
-OptimistTest:test_optimist_set_approval_for_all() (gas: 100906)
+OptimistTest:test_optimist_mint_secondary_minter() (gas: 100576)
+OptimistTest:test_optimist_sbt_approve() (gas: 97284)
+OptimistTest:test_optimist_sbt_transfer() (gas: 102331)
+OptimistTest:test_optimist_set_approval_for_all() (gas: 100907)
 OptimistTest:test_optimist_supports_interface() (gas: 5797)
-OptimistTest:test_optimist_token_id_of_owner() (gas: 95044)
-OptimistTest:test_optimist_token_uri() (gas: 213949)
+OptimistTest:test_optimist_token_id_of_owner() (gas: 95045)
+OptimistTest:test_optimist_token_uri() (gas: 213950)
 TransactorTest:testFail_CALL() (gas: 15658)
 TransactorTest:testFail_DELEGATECALLL() (gas: 15632)
 TransactorTest:test_CALL() (gas: 26977)

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

@@ -59,8 +59,10 @@ contract AttestationStation is Semver {
         address _about,
         bytes32 _key,
         bytes memory _val
-    ) external {
-        _attest(_about, _key, _val);
+    ) public {
+        attestations[msg.sender][_about][_key] = _val;
+
+        emit AttestationCreated(msg.sender, _about, _key, _val);
     }
 
     /**
@@ -73,28 +75,11 @@ contract AttestationStation is Semver {
         for (uint256 i = 0; i < length; ) {
             AttestationData memory attestation = _attestations[i];
 
-            _attest(attestation.about, attestation.key, attestation.val);
+            attest(attestation.about, attestation.key, attestation.val);
 
             unchecked {
                 ++i;
             }
         }
     }
-
-    /**
-     * @notice Internal function that stores the attestation in a mapping.
-     *
-     * @param _about Address that the attestation is about.
-     * @param _key   A key used to namespace the attestation.
-     * @param _val   An arbitrary value stored as part of the attestation.
-     */
-    function _attest(
-        address _about,
-        bytes32 _key,
-        bytes memory _val
-    ) internal {
-        attestations[msg.sender][_about][_key] = _val;
-
-        emit AttestationCreated(msg.sender, _about, _key, _val);
-    }
 }