From ab04cdd85dfdf343141a885e987b8ef8f524774a Mon Sep 17 00:00:00 2001
From: dancoffman <coffman@coinbase.com>
Date: Thu, 3 Nov 2022 17:08:36 -0700
Subject: [PATCH] Add a test for mismatch

---
 bindings/node.js/Makefile | 2 +-
 bindings/node.js/test.ts  | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/bindings/node.js/Makefile b/bindings/node.js/Makefile
index 7311de7..092ab23 100644
--- a/bindings/node.js/Makefile
+++ b/bindings/node.js/Makefile
@@ -7,5 +7,5 @@ clean:
 
 build: kzg.cxx Makefile
 	cd ../../src; make lib
-	yarn build
+	yarn
 	cp build/Release/kzg.node .
diff --git a/bindings/node.js/test.ts b/bindings/node.js/test.ts
index d8eea2d..c71167e 100644
--- a/bindings/node.js/test.ts
+++ b/bindings/node.js/test.ts
@@ -42,4 +42,12 @@ describe("C-KZG", () => {
     const proof = computeAggregateKzgProof(blobs);
     expect(verifyAggregateKzgProof(blobs, commitments, proof)).toBe(true);
   });
+
+  it.only("fails when given incorrect commitments", () => {
+    const blobs = new Array(2).fill(0).map(generateRandomBlob);
+    const commitments = blobs.map(blobToKzgCommitment);
+    commitments[0][0] += 1;
+    const proof = computeAggregateKzgProof(blobs);
+    expect(verifyAggregateKzgProof(blobs, commitments, proof)).toBe(false);
+  });
 });