# encoding: ascii-8bit

module Bitcoin
module Protocol

  class Reject < Struct.new(:message, :ccode, :reason, :data)
    CCODE_TABLE = {
      0x01 => :malformed,
      0x10 => :invalid,
      0x11 => :obsolete,
      0x12 => :duplicate,
      0x40 => :nonstandard,
      0x41 => :dust,
      0x42 => :insufficientfee,
      0x43 => :checkpoint,
    }

    def self.parse(payload)
      message, payload = Bitcoin::Protocol.unpack_var_string(payload)
      ccode,   payload = payload.unpack("Ca*")
      reason,  payload = Bitcoin::Protocol.unpack_var_string(payload)
      data =   payload

      code = CCODE_TABLE[ccode] || ccode
      new(message, code, reason, data)
    end

    def tx_hash
      message == "tx" && self[:data].reverse.bth
    end

    def block_hash
      message == "block" && self[:data].reverse.bth
    end
  end

end
end