feat(protocol): return verification timestamp in getLastVerifiedBlock (…

…taikoxyz#17868) Co-authored-by: D <[email protected]>
RogerLamTd · Aug 1, 2024 · 1998288 · 1998288
1 parent 2936312
commit 1998288
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/packages/protocol/contracts/L1/TaikoL1.sol b/packages/protocol/contracts/L1/TaikoL1.sol
@@ -228,26 +228,28 @@ contract TaikoL1 is EssentialContract, ITaikoL1, TaikoEvents {
     /// @return blockId_ The last verified block's ID.
     /// @return blockHash_ The last verified block's blockHash.
     /// @return stateRoot_ The last verified block's stateRoot.
+    /// @return verifiedAt_ The timestamp this block is verified at.
     function getLastVerifiedBlock()
         external
         view
-        returns (uint64 blockId_, bytes32 blockHash_, bytes32 stateRoot_)
+        returns (uint64 blockId_, bytes32 blockHash_, bytes32 stateRoot_, uint64 verifiedAt_)
     {
         blockId_ = state.slotB.lastVerifiedBlockId;
-        (blockHash_, stateRoot_) = LibUtils.getBlockInfo(state, getConfig(), blockId_);
+        (blockHash_, stateRoot_, verifiedAt_) = LibUtils.getBlockInfo(state, getConfig(), blockId_);
     }
 
     /// @notice Returns information about the last synchronized block.
     /// @return blockId_ The last verified block's ID.
     /// @return blockHash_ The last verified block's blockHash.
     /// @return stateRoot_ The last verified block's stateRoot.
+    /// @return verifiedAt_ The timestamp this block is verified at.
     function getLastSyncedBlock()
         external
         view
-        returns (uint64 blockId_, bytes32 blockHash_, bytes32 stateRoot_)
+        returns (uint64 blockId_, bytes32 blockHash_, bytes32 stateRoot_, uint64 verifiedAt_)
     {
         blockId_ = state.slotA.lastSyncedBlockId;
-        (blockHash_, stateRoot_) = LibUtils.getBlockInfo(state, getConfig(), blockId_);
+        (blockHash_, stateRoot_, verifiedAt_) = LibUtils.getBlockInfo(state, getConfig(), blockId_);
     }
 
     /// @notice Gets the state variables of the TaikoL1 contract.

diff --git a/packages/protocol/contracts/L1/libs/LibUtils.sol b/packages/protocol/contracts/L1/libs/LibUtils.sol
@@ -127,7 +127,7 @@ library LibUtils {
     )
         internal
         view
-        returns (bytes32 blockHash_, bytes32 stateRoot_)
+        returns (bytes32 blockHash_, bytes32 stateRoot_, uint64 verifiedAt_)
     {
         (TaikoData.Block storage blk, uint64 slot) = getBlock(_state, _config, _blockId);
 
@@ -137,6 +137,7 @@ library LibUtils {
 
             blockHash_ = transition.blockHash;
             stateRoot_ = transition.stateRoot;
+            verifiedAt_ = transition.timestamp;
         }
     }