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// Copyright 2018 The Alephium Authors
// This file is part of the alephium project.
//
// The 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 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 library. If not, see .

package org.alephium.protocol.message

import org.alephium.protocol.WireVersion
import org.alephium.serde.Serde

final case class Header(version: WireVersion)

object Header {
  implicit val serde: Serde[Header] = WireVersion.serde
    .validate(_version =>
      if (_version == WireVersion.currentWireVersion) {
        Right(())
      } else {
        Left(s"Invalid version: got ${_version}, expect: ${WireVersion.currentWireVersion.value}")
      }
    )
    .xmap(apply, _.version)
}