#341 added automatic string split to max 64 bytes and added test for string splitting (#362)

* #341 added automatic string split to max 64 bytes and added test for string splitting.

* #362 hash changed in this test due to array splitting

Author: Kammerlo

metadata/src/main/java/com/bloxbean/cardano/client/metadata/cbor/CBORMetadataList.java

@@ -4,6 +4,7 @@
 import com.bloxbean.cardano.client.metadata.MetadataList;
 import com.bloxbean.cardano.client.metadata.MetadataMap;
 import com.bloxbean.cardano.client.util.JsonUtil;
+import com.bloxbean.cardano.client.util.StringUtils;
 
 import java.math.BigInteger;
 import java.util.ArrayList;
@@ -36,16 +37,26 @@ public CBORMetadataList addNegative(BigInteger value) {
 
     @Override
     public CBORMetadataList add(String value) {
-        checkLength(value);
-        array.add(new UnicodeString(value));
+        if (checkLength(value) > 64) {
+            CBORMetadataList cborMetadataList = new CBORMetadataList();
+            cborMetadataList.addAll(StringUtils.splitStringEveryNCharacters(value, 64));
+            array.add(cborMetadataList.getArray());
+        } else {
+            array.add(new UnicodeString(value));
+        }
         return this;
     }
 
     @Override
     public CBORMetadataList addAll(String[] value) {
         for (String str : value) {
-            checkLength(str);
-            array.add(new UnicodeString(str));
+            if (checkLength(str) > 64) {
+                CBORMetadataList cborMetadataList = new CBORMetadataList();
+                cborMetadataList.addAll(StringUtils.splitStringEveryNCharacters(str, 64));
+                array.add(cborMetadataList.getArray());
+            } else {
+                array.add(new UnicodeString(str));
+            }
         }
         return this;
     }

metadata/src/main/java/com/bloxbean/cardano/client/metadata/cbor/CBORMetadataMap.java

@@ -46,8 +46,13 @@ public CBORMetadataMap put(BigInteger key, byte[] value) {
 
     @Override
     public CBORMetadataMap put(BigInteger key, String value) {
-        checkLength(value);
-        map.put(new UnsignedInteger(key), new UnicodeString(value));
+        if (checkLength(value) > 64) {
+            CBORMetadataList cborMetadataList = new CBORMetadataList();
+            cborMetadataList.addAll(StringUtils.splitStringEveryNCharacters(value, 64));
+            map.put(new UnsignedInteger(key), cborMetadataList.getArray());
+        } else {
+            map.put(new UnsignedInteger(key), new UnicodeString(value));
+        }
         return this;
     }
 

metadata/src/test/java/com/bloxbean/cardano/client/metadata/cbor/CBORMetadataListTest.java

@@ -8,6 +8,7 @@
 import java.math.BigInteger;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class CBORMetadataListTest {
 
@@ -21,13 +22,16 @@ void testRemove() {
         list.add("value5");
         list.add("value6");
         list.add("value7");
+        list.add("Extra Long string of more than 64 Bytes................................");
         System.out.println(list.toJson());
-        assertThat(list.size()).isEqualTo(7);
+        assertThat(list.size()).isEqualTo(8);
+
+        assertTrue(list.getValueAt(7) instanceof CBORMetadataList);
 
         list.removeItem("value5");
         list.removeItem(BigInteger.valueOf(4));
 
-        assertThat(list.size()).isEqualTo(5);
+        assertThat(list.size()).isEqualTo(6);
         assertThat(list.getValueAt(4)).isNotEqualTo("value5");
         assertThat(list.getValueAt(4)).isEqualTo("value7");
     }

metadata/src/test/java/com/bloxbean/cardano/client/metadata/cbor/CBORMetadataMapTest.java

@@ -8,6 +8,7 @@
 import java.math.BigInteger;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class CBORMetadataMapTest {
 
@@ -17,13 +18,16 @@ void testRemove() throws CborException {
         metadataMap.put("key1", "value1");
         metadataMap.put("key2", BigInteger.valueOf(123));
         metadataMap.put("key3", "value3");
+        metadataMap.put("key4", "Extra Long string of more than 64 Bytes................................");
         metadataMap.put(new BigInteger("123456"), "value4");
 
-        assertThat(metadataMap.keys()).hasSize(4);
+        assertTrue(metadataMap.get("key4") instanceof CBORMetadataList);
+
+        assertThat(metadataMap.keys()).hasSize(5);
         metadataMap.remove("key1");
         metadataMap.remove(new BigInteger("123456"));
 
-        assertThat(metadataMap.keys()).hasSize(2);
+        assertThat(metadataMap.keys()).hasSize(3);
         assertThat(metadataMap.get("key2")).isEqualTo(BigInteger.valueOf(123));
         assertThat(metadataMap.get("key3")).isEqualTo("value3");
 

transaction-spec/src/test/java/com/bloxbean/cardano/client/transaction/spec/AuxiliaryDataTest.java

@@ -109,7 +109,7 @@ public void getAuxiliaryDataHash_whenPlutusScriptAndMetadata() throws CborSerial
         byte[] auxHashBytes = auxiliaryData.getAuxiliaryDataHash();
         String auxHash = HexUtil.encodeHexString(auxHashBytes);
 
-        assertThat(auxHash).isEqualTo("591ad666282de3400e798f7a78957410624b0bb7bcbc004325eafc869818f142");
+        assertThat(auxHash).isEqualTo("9754d68a3d8bdc75150c415eba8a0b0623e10db17ee4a7a33883efc05f9cdc0b");
     }
 
     @Test