From 2c311e1aea456bca815f8cbbe42b2f5810d0db9f Mon Sep 17 00:00:00 2001
From: Daniel Wang <99078276+dantaik@users.noreply.github.com>
Date: Thu, 4 Apr 2024 16:52:20 +0800
Subject: [PATCH] fix(protocol): revert removing `proposedIn` (being used by
 node/client) (#16644)

Co-authored-by: David <david@taiko.xyz>
---
 packages/protocol/contracts/L1/TaikoData.sol         | 2 +-
 packages/protocol/contracts/L1/libs/LibProposing.sol | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/protocol/contracts/L1/TaikoData.sol b/packages/protocol/contracts/L1/TaikoData.sol
index 831caf4de92..a06e62c636e 100644
--- a/packages/protocol/contracts/L1/TaikoData.sol
+++ b/packages/protocol/contracts/L1/TaikoData.sol
@@ -113,7 +113,7 @@ library TaikoData {
         uint96 livenessBond;
         uint64 blockId; // slot 3
         uint64 proposedAt; // timestamp
-        uint64 __reserved1;
+        uint64 proposedIn; // L1 block number, required/used by node/client.
         uint32 nextTransitionId;
         uint32 verifiedTransitionId;
     }
diff --git a/packages/protocol/contracts/L1/libs/LibProposing.sol b/packages/protocol/contracts/L1/libs/LibProposing.sol
index 89872362baf..bca8d3b43aa 100644
--- a/packages/protocol/contracts/L1/libs/LibProposing.sol
+++ b/packages/protocol/contracts/L1/libs/LibProposing.sol
@@ -159,7 +159,7 @@ library LibProposing {
             livenessBond: _config.livenessBond,
             blockId: b.numBlocks,
             proposedAt: meta_.timestamp,
-            __reserved1: 0,
+            proposedIn: uint64(block.number),
             // For a new block, the next transition ID is always 1, not 0.
             nextTransitionId: 1,
             // For unverified block, its verifiedTransitionId is always 0.