From 9f73191b82b4a7e792392fab0f08670e4a0cd78a Mon Sep 17 00:00:00 2001
From: Laia Soler <laia@polygon.technology>
Date: Mon, 22 Apr 2024 13:45:46 +0200
Subject: [PATCH] fix compute z

---
 src/blob-inner/blob-processor.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/blob-inner/blob-processor.js b/src/blob-inner/blob-processor.js
index d6f321d0..7b4c4d3e 100644
--- a/src/blob-inner/blob-processor.js
+++ b/src/blob-inner/blob-processor.js
@@ -261,7 +261,7 @@ module.exports = class BlobProcessor {
             // compute kzg data
             this.kzgCommitment = this.kzg.blobToKzgCommitment(this.blobData);
             this.versionedHash = computeVersionedHash(this.kzgCommitment);
-            this.pointZ = await this.kzg.computePointZ(this.blobData, this.kzgCommitment);
+            this.pointZ = await this.kzg.computePointZ(this.kzgCommitment, this.blobData);
             const { proof, pointY } = this.kzg.computeKzgProof(this.blobData, this.pointZ);
             this.pointY = pointY;
             this.kzgProof = proof;
@@ -272,7 +272,7 @@ module.exports = class BlobProcessor {
             // compute kzg data
             this.kzgCommitment = this.kzg.blobToKzgCommitment(this.blobData);
             this.versionedHash = computeVersionedHash(this.kzgCommitment);
-            this.pointZ = await this.kzg.computePointZ(this.blobData, this.kzgCommitment);
+            this.pointZ = await this.kzg.computePointZ(this.kzgCommitment, this.blobData);
             const { proof, pointY } = this.kzg.computeKzgProof(this.blobData, this.pointZ);
             this.pointY = pointY;
             this.kzgProof = proof;