From 2cfb2ad63dacab81cacffa92d8b46032bedc0a57 Mon Sep 17 00:00:00 2001
From: Evan Saulpaugh <evan.saulpaugh@gmail.com>
Date: Wed, 18 Sep 2024 23:33:20 -0500
Subject: [PATCH] make validate generic

---
 src/main/java/com/esaulpaugh/headlong/abi/Function.java  | 5 +++--
 src/main/java/com/esaulpaugh/headlong/abi/TupleType.java | 2 +-
 src/test/java/com/esaulpaugh/headlong/abi/TupleTest.java | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/esaulpaugh/headlong/abi/Function.java b/src/main/java/com/esaulpaugh/headlong/abi/Function.java
index f96b36a1..e121a5b0 100644
--- a/src/main/java/com/esaulpaugh/headlong/abi/Function.java
+++ b/src/main/java/com/esaulpaugh/headlong/abi/Function.java
@@ -49,7 +49,7 @@ public final class Function implements ABIObject {
 
     private final TypeEnum type;
     private final String name;
-    private final TupleType<?> inputTypes;
+    private final TupleType<Tuple> inputTypes;
     private final TupleType<?> outputTypes;
     private final String stateMutability;
 
@@ -88,10 +88,11 @@ private Function(final String signature, final int nameLength, final TupleType<?
      * @param messageDigest hash function with which to generate the 4-byte selector
      * @throws IllegalArgumentException if the arguments do not specify a valid function
      */
+    @SuppressWarnings("unchecked")
     public Function(TypeEnum type, String name, TupleType<?> inputs, TupleType<?> outputs, String stateMutability, MessageDigest messageDigest) {
         this.type = Objects.requireNonNull(type);
         this.name = name != null ? validateName(name) : null;
-        this.inputTypes = Objects.requireNonNull(inputs);
+        this.inputTypes = (TupleType<Tuple>) Objects.requireNonNull(inputs);
         this.outputTypes = Objects.requireNonNull(outputs);
         this.stateMutability = stateMutability;
         this.hashAlgorithm = Objects.requireNonNull(messageDigest.getAlgorithm());
diff --git a/src/main/java/com/esaulpaugh/headlong/abi/TupleType.java b/src/main/java/com/esaulpaugh/headlong/abi/TupleType.java
index 3e5af9e1..e2ec07bc 100644
--- a/src/main/java/com/esaulpaugh/headlong/abi/TupleType.java
+++ b/src/main/java/com/esaulpaugh/headlong/abi/TupleType.java
@@ -154,7 +154,7 @@ static int countBytes(boolean tuple, int len, IntUnaryOperator counter) {
     }
 
     @Override
-    public int validate(final Tuple value) {
+    public int validate(final J value) {
         if (value.size() == this.size()) {
             return countBytes(i -> validateObject(get(i), value.elements[i]));
         }
diff --git a/src/test/java/com/esaulpaugh/headlong/abi/TupleTest.java b/src/test/java/com/esaulpaugh/headlong/abi/TupleTest.java
index d451628f..a43510ee 100644
--- a/src/test/java/com/esaulpaugh/headlong/abi/TupleTest.java
+++ b/src/test/java/com/esaulpaugh/headlong/abi/TupleTest.java
@@ -549,7 +549,7 @@ public void testGetElement() {
 
     @Test
     public void testTupleLengthMismatch() throws Throwable {
-        TupleType<?> tt = TupleType.parse("(bool)");
+        TupleType<Tuple> tt = TupleType.parse("(bool)");
         assertThrown(IllegalArgumentException.class, "tuple length mismatch: expected length 1 but found 0", () -> tt.validate(Tuple.EMPTY));
         assertThrown(IllegalArgumentException.class, "tuple length mismatch: expected length 1 but found 2", () -> tt.validate(Tuple.of("", "")));
     }