Merge pull request #4470 from Build-Squad/boriskozlov/prototypeofremo…

…vingnulladress
onflow · Jul 31, 2023 · cc1eac5 · cc1eac5
2 parents 115432e + ae190fc
commit cc1eac5
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diff --git a/module/mempool/herocache/backdata/heropool/linkedlist.go b/module/mempool/herocache/backdata/heropool/linkedlist.go
@@ -2,13 +2,16 @@ package heropool
 
 // link represents a slice-based doubly linked-list node that
 // consists of a next and previous poolIndex.
+// if a link doesn't belong to any state it's next and prev should hold InvalidIndex.
 type link struct {
-	next poolIndex
-	prev poolIndex
+	next EIndex
+	prev EIndex
 }
 
 // state represents a doubly linked-list by its head and tail pool indices.
+// If state has 0 size, its tail's and head's prev and next are treated as invalid and should hold InvalidIndex values.
 type state struct {
-	head poolIndex
-	tail poolIndex
+	head EIndex
+	tail EIndex
+	size uint32
 }