[fix] Blockchain VO: add a missing static property name

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlock.java

@@ -42,6 +42,7 @@ import java.math.BigInteger;
 public class BlockchainBlock implements Serializable {
 
     public static final String PROPERTY_NUMBER = "number";
+    public static final String PROPERTY_HASH = "hash";
     public static final String PROPERTY_DIVIDEND = "dividend";
     public static final String PROPERTY_IDENTITIES = "identities";
     public static final String PROPERTY_JOINERS = "joiners";

duniter4j-core-shared/src/test/java/org/duniter/core/util/json/JsonAttributeParserTest.java

@@ -42,8 +42,8 @@ public class JsonAttributeParserTest {
     public void getValueAsString() {
         String jsonString = String.format("%s", OBJ_JSON);
 
-        JsonAttributeParser<String> isAttribute = new JsonAttributeParser<>(PROPERTY_ID, String.class);
-        String idValue = isAttribute.getValue(jsonString);
+        JsonAttributeParser<String> idAttribute = new JsonAttributeParser<>(PROPERTY_ID, String.class);
+        String idValue = idAttribute.getValue(jsonString);
         Assert.assertEquals("joe", idValue);
 
     }