Module: HuobiApi::Network

Included in:
Client
Defined in:
lib/huobi_api/network.rb

Constant Summary collapse

BASE_URL = 
'https://api.huobi.pro'.freeze
SIGNATURE_VERSION = 
2
HEADERS = 
{
  'Content-Type'=> 'application/json',
  'Accept' => 'application/json',
  'Accept-Language' => 'en-GB',
}.freeze

Instance Method Summary collapse

Instance Method Details

#build_params(endpoint, method, data) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 43

def build_params(endpoint, method, data)
  # things huobi want you to send (and sign)
  params = {
    'AccessKeyId' => HuobiApi.key,
    'SignatureMethod' => 'HmacSHA256',
    'SignatureVersion' => SIGNATURE_VERSION,
    'Timestamp' => Time.now.getutc.strftime("%Y-%m-%dT%H:%M:%S")
  }

  # add in what we're sending, if it's a get request
  params.merge!(data) if method.to_s.upcase == "GET"
  # alphabetical order, as that's what huobi likes
  sorted_params = hash_sort(params)
  #  now mash into a query string
  query_string = Rack::Utils.build_query(sorted_params)
  # now add some other random shit
  to_sign = "#{method.to_s.upcase}\napi.huobi.pro\n#{endpoint}\n#{query_string}"
  # now sign in
  sig = sign(to_sign)
  # and mash it into the params
  params['Signature'] = sig

  params
end

#get(endpoint, data) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 22

def get(endpoint, data)
  request(endpoint, :GET, data)
end

#hash_sort(ha) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 72

def hash_sort(ha)
  puts ha
  Hash[ha.sort_by{ |k, _| k }]
end

#post(endpoint, data) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 18

def post(endpoint, data)
  request(endpoint, :POST, data)
end

#request(endpoint, method, data) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 26

def request(endpoint, method, data)
  uri = URI.parse(BASE_URL)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  params = build_params(endpoint, method, data)
  url = "#{BASE_URL}#{endpoint}?#{Rack::Utils.build_query(params)}"

  begin
    JSON.parse http.send_request(method, url, JSON.dump(data), HEADERS).body
  rescue Net::HTTPExceptions => e
    {"message" => 'error' ,"request_error" => e.message}
  rescue JSON::ParserError => e
    {"message" => 'error' ,"request_error" => e.message}
  end
end

#sign(data) ⇒ Object 



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# File 'lib/huobi_api/network.rb', line 68

def sign(data)
  Base64.encode64(OpenSSL::HMAC.digest('sha256', HuobiApi.secret, data)).gsub("\n","")
end