change to sha256

flashbots · Sep 12, 2023 · cd01ed3 · cd01ed3
1 parent c6a8571
commit cd01ed3
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/core/types/transaction.go b/core/types/transaction.go
@@ -19,6 +19,7 @@ package types
 import (
 	"bytes"
 	"container/heap"
+	"crypto/sha256"
 	"encoding/binary"
 	"errors"
 	"io"
@@ -32,7 +33,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/google/uuid"
-	"golang.org/x/crypto/sha3"
 )
 
 var (
@@ -801,7 +801,7 @@ func (b *MevBundle) UniquePayload() []byte {
 }
 
 func (b *MevBundle) ComputeUUID() uuid.UUID {
-	return uuid.NewHash(sha3.NewLegacyKeccak256(), uuid.Nil, b.UniquePayload(), 5)
+	return uuid.NewHash(sha256.New(), uuid.Nil, b.UniquePayload(), 5)
 }
 
 func (b *MevBundle) RevertingHash(hash common.Hash) bool {

diff --git a/flashbotsextra/database_test.go b/flashbotsextra/database_test.go
@@ -205,7 +205,7 @@ func TestBundleUUIDHash(t *testing.T) {
 			Hash:        common.HexToHash("0x135a7f22459b2102d51de2d6704512a03e1e2d2059c34bcbb659f4ba65e9f92c"),
 		}
 
-		require.Equal(t, "82624e95-741e-5a60-9198-b2f7b2ed973f", b.ComputeUUID().String())
+		require.Equal(t, "5171315f-6ba4-52b2-866e-e2390d422d81", b.ComputeUUID().String())
 	})
 	t.Run("one revert", func(t *testing.T) {
 		b := types.MevBundle{
@@ -216,6 +216,6 @@ func TestBundleUUIDHash(t *testing.T) {
 			},
 		}
 
-		require.Equal(t, "19f6e9a2-04a1-5616-9bb3-5c9f81653e4f", b.ComputeUUID().String())
+		require.Equal(t, "49dada39-6db2-500e-ae59-6cc18b2c19e0", b.ComputeUUID().String())
 	})
 }