From 859cba6d480686631215c6788686027438750f4d Mon Sep 17 00:00:00 2001
From: Evan Saulpaugh <evan.saulpaugh@gmail.com>
Date: Fri, 6 Dec 2019 12:53:10 -0600
Subject: [PATCH] add alternate Record constructor;

update test;
---
 .../com/esaulpaugh/headlong/rlp/eip778/Record.java |  5 +++++
 .../esaulpaugh/headlong/rlp/eip778/EIP778Test.java | 14 +++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/esaulpaugh/headlong/rlp/eip778/Record.java b/src/main/java/com/esaulpaugh/headlong/rlp/eip778/Record.java
index 537628bb5..f7e01716d 100644
--- a/src/main/java/com/esaulpaugh/headlong/rlp/eip778/Record.java
+++ b/src/main/java/com/esaulpaugh/headlong/rlp/eip778/Record.java
@@ -24,6 +24,7 @@
 import com.esaulpaugh.headlong.util.Strings;
 
 import java.security.SignatureException;
+import java.util.List;
 
 import static com.esaulpaugh.headlong.rlp.RLPDecoder.RLP_STRICT;
 import static com.esaulpaugh.headlong.util.Strings.BASE_64_URL_SAFE;
@@ -39,6 +40,10 @@ public final class Record {
 
     private final RLPList rlp;
 
+    public Record(long seq, List<KeyValuePair> pairs, Signer signer) {
+        this(seq, pairs.toArray(KeyValuePair.EMPTY_ARRAY), signer);
+    }
+
     public Record(long seq, KeyValuePair[] pairs, Signer signer) {
         final int signatureLen = signer.signatureLength();
         final int signatureItemLen = RLPEncoder.prefixLength(signatureLen) + signatureLen;
diff --git a/src/test/java/com/esaulpaugh/headlong/rlp/eip778/EIP778Test.java b/src/test/java/com/esaulpaugh/headlong/rlp/eip778/EIP778Test.java
index e0aa4a2f6..70a4d491c 100644
--- a/src/test/java/com/esaulpaugh/headlong/rlp/eip778/EIP778Test.java
+++ b/src/test/java/com/esaulpaugh/headlong/rlp/eip778/EIP778Test.java
@@ -24,13 +24,14 @@
 import org.junit.jupiter.api.Test;
 
 import java.security.SignatureException;
+import java.util.Arrays;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 import static com.esaulpaugh.headlong.rlp.eip778.KeyValuePair.*;
 import static com.esaulpaugh.headlong.util.Strings.HEX;
 import static com.esaulpaugh.headlong.util.Strings.UTF_8;
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class EIP778Test {
@@ -67,12 +68,12 @@ public byte[] sign(byte[] message, int off, int len) {
 
     @Test
     public void testEip778() throws DecodeException, SignatureException {
-        final KeyValuePair[] pairs = new KeyValuePair[] {
+        final List<KeyValuePair> pairs = Arrays.asList(
                 new KeyValuePair(IP, "7f000001", HEX),
                 new KeyValuePair(UDP, "765f", HEX),
                 new KeyValuePair(ID, "v4", UTF_8),
                 new KeyValuePair(SECP256K1, "03ca634cae0d49acb401d8a4c6b6fe8c55b70d115bf400769cc1400f3258cd3138", HEX)
-        };
+        );
 
         Record record = new Record(1L, pairs, SIGNER);
 
@@ -92,13 +93,12 @@ public void testEip778() throws DecodeException, SignatureException {
 
         assertEquals(1L, seq);
 
-        KeyValuePair[] decodedPairs = new KeyValuePair[pairs.length];
+        KeyValuePair[] arr = pairs.toArray(EMPTY_ARRAY);
+        Arrays.sort(arr);
         int i = 0;
         while (iter.hasNext()) {
-            decodedPairs[i++] = new KeyValuePair(iter.next().asBytes(), iter.next().asBytes());
+            assertEquals(arr[i++], new KeyValuePair(iter.next().asBytes(), iter.next().asBytes()));
         }
-        assertArrayEquals(pairs, decodedPairs);
-
         assertEquals(ENR_STRING, record.toString());
     }