// Copyright 2025 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package era

import (
	"io"

	"github.com/ethereum/go-ethereum/rlp"
)

type ProofVariant uint16

const (
	ProofNone ProofVariant = iota
)

// Proof is the interface for all block proof types in the package.
// It's a stub for later integration into Era.
type Proof interface {
	EncodeRLP(w io.Writer) error
	DecodeRLP(s *rlp.Stream) error
	Variant() ProofVariant
}