fix dataword

Yrp · Yrp · commit e46b1d02a9b6 · 2020-11-02T09:27:02.000+08:00
diff --git a/actuator/src/main/java/org/tron/core/vm/program/Program.java b/actuator/src/main/java/org/tron/core/vm/program/Program.java
@@ -1055,7 +1055,7 @@ public DataWord getBlockHash(int index) {
       BlockCapsule blockCapsule = contractState.getBlockByNum(index);
 
       if (Objects.nonNull(blockCapsule)) {
-        return new DataWord(blockCapsule.getBlockId().getBytes());
+        return new DataWord(blockCapsule.getBlockId().getBytes()).clone();
       } else {
         return DataWord.ZERO.clone();
       }

Original file line number	Diff line number	Diff line change
`@@ -1055,7 +1055,7 @@ public DataWord getBlockHash(int index) {`
`1055`	`1055`	`BlockCapsule blockCapsule = contractState.getBlockByNum(index);`
`1056`	`1056`
`1057`	`1057`	`if (Objects.nonNull(blockCapsule)) {`
`1058`		`- return new DataWord(blockCapsule.getBlockId().getBytes());`
	`1058`	`+ return new DataWord(blockCapsule.getBlockId().getBytes()).clone();`
`1059`	`1059`	`} else {`
`1060`	`1060`	`return DataWord.ZERO.clone();`
`1061`	`1061`	`}`