From 79aa4f6d7003c1baf81176854eb37cd3d02fe34b Mon Sep 17 00:00:00 2001
From: Daniel Simon <daniel.attila.simon@gmail.com>
Date: Thu, 29 Aug 2024 20:44:22 +0700
Subject: [PATCH] fix: batch managers shifted by one in `MultiTroveGetter`

---
 contracts/src/MultiTroveGetter.sol | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/contracts/src/MultiTroveGetter.sol b/contracts/src/MultiTroveGetter.sol
index dfff42be..e30d2b1b 100644
--- a/contracts/src/MultiTroveGetter.sol
+++ b/contracts/src/MultiTroveGetter.sol
@@ -126,18 +126,18 @@ contract MultiTroveGetter is IMultiTroveGetter {
         assert(address(sortedTroves) != address(0));
 
         data = new DebtPerInterestRate[](_maxIterations);
-        currId = _startId;
+        currId = sortedTroves.getPrev(_startId);
 
         for (uint256 i = 0; i < _maxIterations; ++i) {
-            BatchId interestBatchManager;
-
-            (, currId, interestBatchManager,) = sortedTroves.nodes(currId);
             if (currId == 0) break;
 
+            (, uint256 prevId, BatchId interestBatchManager,) = sortedTroves.nodes(currId);
             LatestTroveData memory trove = troveManager.getLatestTroveData(currId);
             data[i].interestBatchManager = BatchId.unwrap(interestBatchManager);
             data[i].interestRate = trove.annualInterestRate;
             data[i].debt = trove.entireDebt;
+
+            currId = prevId;
         }
     }
 }