Export copyHeader as CopyEthHeader

Author: qdm12

core/types/block.go

@@ -277,7 +277,9 @@ func NewBlockWithWithdrawals(header *Header, txs []*Transaction, uncles []*Heade
 	return b.WithWithdrawals(withdrawals)
 }
 
-func copyHeader(h *Header) *Header {
+// CopyEthHeader creates a deep copy of an Ethereum block header.
+// Use [CopyHeader] instead if your header has any registered extra.
+func CopyEthHeader(h *Header) *Header {
 	cpy := *h
 	if cpy.Difficulty = new(big.Int); h.Difficulty != nil {
 		cpy.Difficulty.Set(h.Difficulty)

core/types/block.libevm.go

@@ -111,7 +111,7 @@ func (*NOOPHeaderHooks) DecodeRLP(h *Header, s *rlp.Stream) error {
 }
 
 func (n *NOOPHeaderHooks) Copy(h *Header) *Header {
-	return copyHeader(h)
+	return CopyEthHeader(h)
 }
 
 // CopyHeader creates a deep copy of a block header.