Class: Subscan::Api

Inherits:
Object
  • Object
show all
Defined in:
lib/subscan/api.rb

Instance Method Summary collapse

Constructor Details

#initialize(url, api_key = nil) ⇒ Api 



3
4
5
6
 
# File 'lib/subscan/api.rb', line 3

def initialize(url, api_key = nil)
  @url = url
  @api_key = api_key
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



45
46
47
48
 
# File 'lib/subscan/api.rb', line 45

def method_missing(method, *args)
  module_name, action = method.to_s.split('_')
  request(module_name, action, args[0] || {})
end

Instance Method Details

#request(module_name, action, params = {}) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/subscan/api.rb', line 8

def request(module_name, action, params = {})
  params = params.reject { |_k, v| v.nil? } # filter out nil values

  url = "#{@url}/scan/#{module_name}/#{action}"
  uri = URI(url)
  Etherscan.logger.debug "Req: #{uri}"

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == 'https')

  request = Net::HTTP::Post.new(uri)
  request['Content-Type'] = 'application/json'
  request['X-API-Key'] = @api_key unless @api_key.nil?
  request.body = params.to_json
  Etherscan.logger.debug "Body: #{request.body}"

  response = http.request(request)

  raise response.body if response.code != '200'

  json_response = JSON.parse(response.body)

  if json_response.key?('status')
    raise json_response['message'] if json_response['status'] != '1'

    json_response['result'] || json_response['message']
  elsif json_response.key?('code') # normal response
    raise json_response['message'] if json_response['code'] != 0

    json_response['data']
  end
end

#respond_to_missing?(*_args) ⇒ Boolean 



41
42
43
 
# File 'lib/subscan/api.rb', line 41

def respond_to_missing?(*_args)
  true
end