refactor: internalise Header.MarshalJSON and UnmarshalJSON

Author: ARR4N

core/types/block.go

@@ -60,6 +60,7 @@ func (n *BlockNonce) UnmarshalText(input []byte) error {
 }
 
 //go:generate go run github.com/fjl/gencodec -type Header -field-override headerMarshaling -out gen_header_json.go
+//go:generate go run ../../libevm/cmd/internalise -file gen_header_json.go Header.MarshalJSON Header.UnmarshalJSON
 //go:generate go run ../../rlp/rlpgen -type Header -out gen_header_rlp.go
 //go:generate go run ../../libevm/cmd/internalise -file gen_header_rlp.go Header.EncodeRLP
 

core/types/block.libevm.go

@@ -17,6 +17,7 @@
 package types
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 
@@ -34,8 +35,20 @@ type HeaderHooks interface {
 var _ interface {
 	rlp.Encoder
 	rlp.Decoder
+	json.Marshaler
+	json.Unmarshaler
 } = (*Header)(nil)
 
+// MarshalJSON implements the [json.Marshaler] interface.
+func (h *Header) MarshalJSON() ([]byte, error) {
+	return h.marshalJSON()
+}
+
+// UnmarshalJSON implements the [json.Unmarshaler] interface.
+func (h *Header) UnmarshalJSON(b []byte) error {
+	return h.unmarshalJSON(b)
+}
+
 // EncodeRLP implements the [rlp.Encoder] interface.
 func (h *Header) EncodeRLP(w io.Writer) error {
 	if r := registeredExtras; r.Registered() {