bytes datatypes added

Signed-off-by: Hendrik Ebbers <[email protected]>

Author: hendrikebbers

hiero-enterprise-base/src/main/java/com/openelements/hiero/base/data/ContractParam.java

@@ -57,6 +57,16 @@ public static ContractParam<String> string(String value) {
         return of(value, StringBasedDatatype.STRING);
     }
 
+    @NonNull
+    public static ContractParam<String> bytes(String value) {
+        return of(value, StringBasedDatatype.BYTES);
+    }
+
+    @NonNull
+    public static ContractParam<String> bytes32(String value) {
+        return of(value, StringBasedDatatype.BYTES32);
+    }
+
     /**
      * Creates a new contract parameter with the given value and native type {@code address}. The input must be address
      * in solidty format.

hiero-enterprise-base/src/main/java/com/openelements/hiero/base/implementation/data/StringBasedDatatype.java

@@ -2,13 +2,16 @@
 
 import com.hedera.hashgraph.sdk.AccountId;
 import com.hedera.hashgraph.sdk.ContractFunctionParameters;
+import java.nio.charset.StandardCharsets;
 import java.util.Objects;
 import java.util.function.BiConsumer;
 import org.jspecify.annotations.NonNull;
 
 public enum StringBasedDatatype implements ParamSupplier<String> {
 
     STRING("string", (v, params) -> params.addString(v)),
+    BYTES("bytes", (v, params) -> addBytes(v, params)),
+    BYTES32("bytes32", (v, params) -> addBytes32(v, params)),
     ADDRESS("address", (v, params) -> params.addAddress(v));
 
     private final String nativeType;
@@ -43,4 +46,22 @@ public String getNativeType() {
         return nativeType;
     }
 
+    private static void addBytes32(final String value, final ContractFunctionParameters params) {
+        if (value == null) {
+            throw new IllegalArgumentException("bytes32 value must not be null");
+        }
+        final byte[] bytes = value.getBytes(StandardCharsets.UTF_8);
+        if (bytes.length > 32) {
+            throw new IllegalArgumentException("bytes32 value must be 32 bytes or less");
+        }
+        params.addBytes32(bytes);
+    }
+
+    private static void addBytes(final String value, final ContractFunctionParameters params) {
+        if (value == null) {
+            throw new IllegalArgumentException("bytes32 value must not be null");
+        }
+        final byte[] bytes = value.getBytes(StandardCharsets.UTF_8);
+        params.addBytes(bytes);
+    }
 }