From 3a83231941cfb663e654b55c7f015e3da8281937 Mon Sep 17 00:00:00 2001
From: nick <nick@bisonai.com>
Date: Mon, 20 May 2024 15:26:47 +0900
Subject: [PATCH] fix: add check based on last submission time

---
 contracts/v0.2/src/SubmissionProxy.sol | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contracts/v0.2/src/SubmissionProxy.sol b/contracts/v0.2/src/SubmissionProxy.sol
index 8d2d2ba79..44baa219f 100644
--- a/contracts/v0.2/src/SubmissionProxy.sol
+++ b/contracts/v0.2/src/SubmissionProxy.sol
@@ -38,6 +38,7 @@ contract SubmissionProxy is Ownable {
     mapping(address => OracleInfo) public whitelist;
     mapping(bytes32 feedHash => uint8 threshold) thresholds;
     mapping(bytes32 feedHash => IFeed feed) feeds;
+    mapping(bytes32 feedHash => uint256 lastSubmissionTime) lastSubmissionTimes;
 
     event OracleAdded(address oracle, uint256 expirationTime);
     event OracleRemoved(address oracle);
@@ -358,7 +359,7 @@ contract SubmissionProxy is Ownable {
 
         uint256 feedsLength_ = _feedHashes.length;
         for (uint256 i = 0; i < feedsLength_; i++) {
-            if (_timestamps[i] <= block.timestamp - dataFreshness) {
+            if (_timestamps[i] <= block.timestamp - dataFreshness || lastSubmissionTimes[_feedHashes[i]] >= _timestamps[i]) {
                 // answer is too old -> do not submit!
                 continue;
             }
@@ -383,6 +384,7 @@ contract SubmissionProxy is Ownable {
             if (validateProof(_feedHashes[i], message_, proofs_)) {
                 feeds[_feedHashes[i]].submit(_answers[i]);
             }
+            lastSubmissionTimes[_feedHashes[i]] = _timestamps[i];
         }
     }