ruby - Erc20 tokens deposit/withdraw on ruby

Question

I use Peatio based exchange. Ethereum deposit/withdraw are working, but Binance coin doesn't work. I can't generate binance coin address. My codes below. Is it wring? I reall need help.

require 'net/http'
require 'uri'
require 'json'

class CoinRPC

  class JSONRPCError < RuntimeError; end
  class ConnectionRefusedError < StandardError; end

  def initialize(uri)
    @uri = URI.parse(uri)
  end

  def self.[](currency)
    c = Currency.find_by_code(currency.to_s)
    if c && c.rpc
      name = c[:handler] || 'BTC'
      "::CoinRPC::#{name}".constantize.new(c.rpc)
    end
  end

  def method_missing(name, *args)
    handle name, *args
  end

  def handle
    raise "Not implemented"
  end

  class BTC < self
    def handle(name, *args)
      post_body = { 'method' => name, 'params' => args, 'id' => 'jsonrpc' }.to_json
      resp = JSON.parse( http_post_request(post_body) )
      raise JSONRPCError, resp['error'] if resp['error']
      result = resp['result']
      result.symbolize_keys! if result.is_a? Hash
      result
    end

    def http_post_request(post_body)
      http    = Net::HTTP.new(@uri.host, @uri.port)
      request = Net::HTTP::Post.new(@uri.request_uri)
      request.basic_auth @uri.user, @uri.password
      request.content_type = 'application/json'
      request.body = post_body
      http.request(request).body
    rescue Errno::ECONNREFUSED => e
      raise ConnectionRefusedError
    end

    def safe_getbalance
      begin
        getbalance
      rescue
        'N/A'
      end
    end
  end

  class ETH < self
def handle(name, *args)
  post_body = {"jsonrpc" => "2.0", 'method' => name, 'params' => args, 'id' => '1' }.to_json
  resp = JSON.parse( http_post_request(post_body) )
  raise JSONRPCError, resp['error'] if resp['error']
  result = resp['result']
  result.symbolize_keys! if result.is_a? Hash
  result
end
def http_post_request(post_body)
  http    = Net::HTTP.new(@uri.host, @uri.port)
  request = Net::HTTP::Post.new(@uri.request_uri)
  request.basic_auth @uri.user, @uri.password
  request.content_type = 'application/json'
  request.body = post_body
  http.request(request).body
rescue Errno::ECONNREFUSED => e
  raise ConnectionRefusedError
end

def safe_getbalance
  begin
    (open(@uri.host + '/cgi-bin/total.cgi').read.rstrip.to_f)
  rescue
    'N/A'
  end
end
  end

  class BNB < self
def handle(name, *args)
  post_body = {"jsonrpc" => "2.0", 'method' => name, 'params' => args, 'id' => '1' }.to_json
  resp = JSON.parse( http_post_request(post_body) )
  raise JSONRPCError, resp['error'] if resp['error']
  result = resp['result']
  result.symbolize_keys! if result.is_a? Hash
  result
end
def http_post_request(post_body)
  http    = Net::HTTP.new(@uri.host, @uri.port)
  request = Net::HTTP::Post.new(@uri.request_uri)
  request.basic_auth @uri.user, @uri.password
  request.content_type = 'application/json'
  request.body = post_body
  http.request(request).body
rescue Errno::ECONNREFUSED => e
  raise ConnectionRefusedError
end

def safe_getbalance
  begin
    (open(@uri.host + '/cgi-bin/total.cgi').read.rstrip.to_f)
  rescue
    'N/A'
  end
end
  end
end