fix: avoiding nullpointer if getFee returns null. (#108)

cardano-foundation · Apr 4, 2024 · 84e6cff · 84e6cff
1 parent 37582c8
commit 84e6cff
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/api/src/main/java/org/cardanofoundation/rosetta/api/block/mapper/TranToEntity.java b/api/src/main/java/org/cardanofoundation/rosetta/api/block/mapper/TranToEntity.java
@@ -1,5 +1,7 @@
 package org.cardanofoundation.rosetta.api.block.mapper;
 
+import java.math.BigInteger;
+import java.util.Optional;
 import lombok.AllArgsConstructor;
 
 import org.modelmapper.ModelMapper;
@@ -37,7 +39,7 @@ public BlockTx fromEntity(TxnEntity model) {
 
             dest(ctx).setInputs(source(ctx).getInputKeys().stream().map(Utxo::fromUtxoKey).toList());
             dest(ctx).setOutputs(source(ctx).getOutputKeys().stream().map(Utxo::fromUtxoKey).toList());
-            dest(ctx).setFee(source(ctx).getFee().toString());
+            dest(ctx).setFee(Optional.ofNullable(source(ctx).getFee()).map(BigInteger::toString).orElse(null));
 
             return dest(ctx);