Merge pull request #4733 from ethereum-optimism/feat/station-1.1.0

ctp: update AttestationStation to 1.1.0

.changeset/strong-crabs-accept.md

+---
+'@eth-optimism/contracts-periphery': patch
+---
+
+Update the attestation station impl to 1.1.0

packages/contracts-periphery/.gas-snapshot

@@ -10,22 +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: 592013)
-AssetReceiverTest:test_attest_single() (gas: 539644)
-OptimistTest:test_optimist_baseURI() (gas: 117016)
-OptimistTest:test_optimist_burn() (gas: 77691)
+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: 77526)
 OptimistTest:test_optimist_initialize() (gas: 23095)
-OptimistTest:test_optimist_is_on_allow_list() (gas: 52822)
-OptimistTest:test_optimist_mint_already_minted() (gas: 99125)
-OptimistTest:test_optimist_mint_happy_path() (gas: 99381)
+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: 100782)
-OptimistTest:test_optimist_sbt_approve() (gas: 97490)
-OptimistTest:test_optimist_sbt_transfer() (gas: 102537)
-OptimistTest:test_optimist_set_approval_for_all() (gas: 101119)
+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: 95251)
-OptimistTest:test_optimist_token_uri() (gas: 214371)
+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/foundry-tests/AttestationStation.t.sol

@@ -26,6 +26,23 @@ contract AssetReceiverTest is AssetReceiver_Initializer {
         super._setUp();
     }
 
+    event AttestationCreated(
+        address indexed creator,
+        address indexed about,
+        bytes32 indexed key,
+        bytes val
+    );
+
+    function test_attest_individual() external {
+        AttestationStation attestationStation = new AttestationStation();
+
+        vm.expectEmit(true, true, true, true);
+        emit AttestationCreated(alice_attestor, bob, bytes32("foo"), bytes("bar"));
+
+        vm.prank(alice_attestor);
+        attestationStation.attest({ _about: bob, _key: bytes32("foo"), _val: bytes("bar") });
+    }
+
     function test_attest_single() external {
         AttestationStation attestationStation = new AttestationStation();
 

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

@@ -44,27 +44,38 @@ contract AttestationStation is Semver {
     );
 
     /**
-     * @custom:semver 1.0.0
+     * @custom:semver 1.1.0
      */
-    constructor() Semver(1, 0, 0) {}
+    constructor() Semver(1, 1, 0) {}
+
+    /**
+     * @notice Allows anyone to create an attestation.
+     *
+     * @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
+    ) public {
+        attestations[msg.sender][_about][_key] = _val;
+
+        emit AttestationCreated(msg.sender, _about, _key, _val);
+    }
 
     /**
      * @notice Allows anyone to create attestations.
      *
      * @param _attestations An array of attestation data.
      */
-    function attest(AttestationData[] memory _attestations) public {
+    function attest(AttestationData[] calldata _attestations) external {
         uint256 length = _attestations.length;
         for (uint256 i = 0; i < length; ) {
             AttestationData memory attestation = _attestations[i];
-            attestations[msg.sender][attestation.about][attestation.key] = attestation.val;
 
-            emit AttestationCreated(
-                msg.sender,
-                attestation.about,
-                attestation.key,
-                attestation.val
-            );
+            attest(attestation.about, attestation.key, attestation.val);
 
             unchecked {
                 ++i;