Module: Tradecow::Network

Defined in:
lib/tradecow/network.rb

Constant Summary collapse

SPOT_URL = 
Tradecow.spot_url
SPOT_FUL_URL = 
Tradecow.spot_ful_url
FUTURE_URL = 
Tradecow.future_url
FUTURE_FUL_URL = 
Tradecow.future_ful_url

Class Method Summary collapse

Class Method Details

.build_query(data) ⇒ Object 



12
13
14
15
16
 
# File 'lib/tradecow/network.rb', line 12

def self.build_query(data)
  data.map do |k, v|
    URI.encode_www_form_component(k) << '=' << URI.encode_www_form_component(v)
  end.join('&')
end

.dm_url(method, path, req_data = nil) ⇒ Object 



45
46
47
48
49
 
# File 'lib/tradecow/network.rb', line 45

def self.dm_url method, path, req_data = nil
  h = Tradecow::Network.rest_auth_token(method, FUTURE_URL, path, req_data)
  params = Tradecow::Network.build_query(h)
  Tradecow.req_url(FUTURE_FUL_URL, path, params)
end

.hash_sort(hsh) ⇒ Object 



18
19
20
 
# File 'lib/tradecow/network.rb', line 18

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

.rest_auth_token(method, host, path, req_data = nil) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/tradecow/network.rb', line 26

def self.rest_auth_token(method, host, path, req_data = nil)
  params = {
    'AccessKeyId' => Tradecow.access_key,
    'SignatureMethod' => 'HmacSHA256',
    'SignatureVersion' => 2,
    'Timestamp' => Time.now.getutc.strftime('%Y-%m-%dT%H:%M:%S')
  }
  params = method == 'GET' && !req_data.nil? ? params.merge(req_data.stringify_keys) : params
  sign_data = "#{method}\n#{host}\n#{path}\n#{build_query(hash_sort(params))}"
  params = params.merge({ 'Signature' => sign(sign_data) })
  params
end

.sign(sign_data) ⇒ Object 



22
23
24
 
# File 'lib/tradecow/network.rb', line 22

def self.sign(sign_data)
  Base64.encode64(OpenSSL::HMAC.digest('sha256', Tradecow.secret_key, sign_data)).gsub("\n", '')
end

.url(method, path, req_data = nil) ⇒ Object 



39
40
41
42
43
 
# File 'lib/tradecow/network.rb', line 39

def self.url method, path, req_data = nil
  h = Tradecow::Network.rest_auth_token(method, SPOT_URL, path, req_data)
  params = Tradecow::Network.build_query(h)
  Tradecow.req_url(SPOT_FUL_URL, path, params)
end