From a82b4fb351f25f1b048e39338b2c1d644ba62ff7 Mon Sep 17 00:00:00 2001
From: Lessa <230214854+adblesss@users.noreply.github.com>
Date: Thu, 29 Jan 2026 02:49:10 -0500
Subject: [PATCH] crypto/kzg4844: preallocate proof slice in ComputeCellProofs
 (#33703)

Preallocate the proof slice with the known size instead of growing it
via append in a loop. The length is already known from the source slice.
---
 crypto/kzg4844/kzg4844_ckzg_cgo.go | 6 +++---
 crypto/kzg4844/kzg4844_gokzg.go    | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/kzg4844/kzg4844_ckzg_cgo.go b/crypto/kzg4844/kzg4844_ckzg_cgo.go
index 0eb9673a33..9d2ccd390c 100644
--- a/crypto/kzg4844/kzg4844_ckzg_cgo.go
+++ b/crypto/kzg4844/kzg4844_ckzg_cgo.go
@@ -143,9 +143,9 @@ func ckzgComputeCellProofs(blob *Blob) ([]Proof, error) {
 	if err != nil {
 		return []Proof{}, err
 	}
-	var p []Proof
-	for _, proof := range proofs {
-		p = append(p, (Proof)(proof))
+	p := make([]Proof, len(proofs))
+	for i, proof := range proofs {
+		p[i] = (Proof)(proof)
 	}
 	return p, nil
 }
diff --git a/crypto/kzg4844/kzg4844_gokzg.go b/crypto/kzg4844/kzg4844_gokzg.go
index d960a2604b..7d4749c820 100644
--- a/crypto/kzg4844/kzg4844_gokzg.go
+++ b/crypto/kzg4844/kzg4844_gokzg.go
@@ -108,9 +108,9 @@ func gokzgComputeCellProofs(blob *Blob) ([]Proof, error) {
 	if err != nil {
 		return []Proof{}, err
 	}
-	var p []Proof
-	for _, proof := range proofs {
-		p = append(p, (Proof)(proof))
+	p := make([]Proof, len(proofs))
+	for i, proof := range proofs {
+		p[i] = (Proof)(proof)
 	}
 	return p, nil
 }