fix: compression proof verification check (#504)

metaplex-foundation · May 3, 2023 · 0b77c1a · 0b77c1a
1 parent 7747dea
commit 0b77c1a
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diff --git a/.changeset/thirty-panthers-peel.md b/.changeset/thirty-panthers-peel.md
@@ -0,0 +1,5 @@
+---
+"@metaplex-foundation/js": patch
+---
+
+fix: compression proof verification check
diff --git a/packages/js/src/plugins/nftModule/operations/transferCompressedNft.ts b/packages/js/src/plugins/nftModule/operations/transferCompressedNft.ts
@@ -224,7 +224,7 @@ export const transferCompressedNftBuilder = (
 
   // check if the provided assetProof path is valid for the provided root
   if (
-    MerkleTree.verify(new PublicKey(compression.assetProof.root).toBuffer(), {
+    !MerkleTree.verify(new PublicKey(compression.assetProof.root).toBuffer(), {
       leafIndex: compression.data.leaf_id,
       leaf: new PublicKey(compression.assetProof.leaf).toBuffer(),
       root: new PublicKey(compression.assetProof.root).toBuffer(),