module Binance::Utils::Faraday::CustomParamsEncoder

def self.encode(params)
  if params.nil?
    nil
  elsif params.is_a?(Array)
    # The params have form [['key1', 'value1'], ['key2', 'value2']].
    encode_array params
  elsif params.respond_to?(:to_hash)
    params = params.to_hash.map do |key, value|
      key = key.to_s if key.is_a?(Symbol)
      [key, value]
    end
    encode_array params
  else
    raise TypeError, "Can't encode #{params.class}."
  end
end