fix: Fix LowestExpireHeight

planetarium · Jan 3, 2025 · 0fbc57d · 0fbc57d
1 parent 40d8848
commit 0fbc57d
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Showing 3 changed files with 7 additions and 3 deletions.
diff --git a/Lib9c/Delegation/IUnbonding.cs b/Lib9c/Delegation/IUnbonding.cs
@@ -12,7 +12,7 @@ public interface IUnbonding
 
         Address DelegatorAddress { get; }
 
-        long LowestExpireHeight { get; }
+        long? LowestExpireHeight { get; }
 
         bool IsFull { get; }
 

diff --git a/Lib9c/Delegation/RebondGrace.cs b/Lib9c/Delegation/RebondGrace.cs
@@ -110,7 +110,9 @@ private RebondGrace(
 
         public IDelegationRepository? Repository => _repository;
 
-        public long LowestExpireHeight => Entries.First().Key;
+        public long? LowestExpireHeight => IsEmpty
+            ? null
+            : Entries.First().Key;
 
         public bool IsFull => Entries.Values.Sum(e => e.Count) >= MaxEntries;
 

diff --git a/Lib9c/Delegation/UnbondLockIn.cs b/Lib9c/Delegation/UnbondLockIn.cs
@@ -117,7 +117,9 @@ private UnbondLockIn(
         // TODO: Use better custom collection type
         public ImmutableSortedDictionary<long, ImmutableList<UnbondingEntry>> Entries { get; }
 
-        public long LowestExpireHeight => Entries.First().Key;
+        public long? LowestExpireHeight => IsEmpty
+            ? null
+            : Entries.First().Key;
 
         public bool IsFull => Entries.Values.Sum(e => e.Count) >= MaxEntries;