From c64bac44d33321680f317cd9430b770b0b07114e Mon Sep 17 00:00:00 2001
From: Kirill <paltsev.kir@gmail.com>
Date: Tue, 21 May 2024 18:25:57 +0400
Subject: [PATCH] Fix feeder public_key decoding (#1874)

---
 clients/feeder/feeder.go      | 7 +++----
 clients/feeder/feeder_test.go | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/clients/feeder/feeder.go b/clients/feeder/feeder.go
index b74d6af363..f938da349e 100644
--- a/clients/feeder/feeder.go
+++ b/clients/feeder/feeder.go
@@ -383,13 +383,12 @@ func (c *Client) PublicKey(ctx context.Context) (*felt.Felt, error) {
 	}
 	defer body.Close()
 
-	b, err := io.ReadAll(body)
-	if err != nil {
+	var publicKey string // public key hex string
+	if err = json.NewDecoder(body).Decode(&publicKey); err != nil {
 		return nil, err
 	}
-	publicKey := new(felt.Felt).SetBytes(b)
 
-	return publicKey, nil
+	return new(felt.Felt).SetString(publicKey)
 }
 
 func (c *Client) Signature(ctx context.Context, blockID string) (*starknet.Signature, error) {
diff --git a/clients/feeder/feeder_test.go b/clients/feeder/feeder_test.go
index 82d7a8c972..8aa4fe94fa 100644
--- a/clients/feeder/feeder_test.go
+++ b/clients/feeder/feeder_test.go
@@ -579,7 +579,7 @@ func TestPublicKey(t *testing.T) {
 
 	actualPublicKey, err := client.PublicKey(context.Background())
 	assert.NoError(t, err)
-	assert.Equal(t, "0x507b38d81561baa02f718dae46c371ba9f72fc5f0e9535ca94559dfb776115b", actualPublicKey.String())
+	assert.Equal(t, "0x52934be54ce926b1e715f15dc2542849a97ecfdf829cd0b7384c64eeeb2264e", actualPublicKey.String())
 }
 
 func TestSignature(t *testing.T) {