Additional bounds checks.

attestantio · Jul 30, 2024 · ee5692d · ee5692d
1 parent 6b10e40
commit ee5692d
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Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/spec/fork.go b/spec/fork.go
@@ -73,5 +73,9 @@ func (d *Fork) UnmarshalJSON(input []byte) error {
 
 // String returns a string representation of the item.
 func (d Fork) String() string {
+	if int(d) < 0 || int(d) >= len(forkStrings) {
+		return "unknown"
+	}
+
 	return forkStrings[d]
 }
diff --git a/spec/transactiontype.go b/spec/transactiontype.go
@@ -64,5 +64,9 @@ func (d *TransactionType) UnmarshalJSON(input []byte) error {
 
 // String returns a string representation of the item.
 func (d TransactionType) String() string {
+	if int(d) < 0 || int(d) >= len(transactionTypeStrings) {
+		return "unknown"
+	}
+
 	return transactionTypeStrings[d]
 }