Fixed DefaultFunctionEncoder calculating offset for nested StaticArray (

#2054)

Signed-off-by: penuel.li <[email protected]>

abi/src/main/java/org/web3j/abi/DefaultFunctionEncoder.java

@@ -99,7 +99,7 @@ private static int getLength(final List<Type> parameters) {
                             ((StaticArray) type).getComponentType())) {
                 count++;
             } else if (type instanceof StaticArray) {
-                count += ((StaticArray) type).getValue().size();
+                count += getLength(((StaticArray) type).getValue());
             } else {
                 count++;
             }