Initial commit

lib/peatio/owhdwallet/client.rb

@@ -0,0 +1,58 @@
+module OWHDWallet
+  class Client
+    Error = Class.new(StandardError)
+
+    class ConnectionError < Error; end
+
+    def initialize(endpoint, idle_timeout: 5)
+      @endpoint = URI.parse(endpoint)
+      @private_key = OpenSSL::PKey.read(Base64.urlsafe_decode64(ENV.fetch('PEATIO_JWT_PRIVATE_KEY')))
+      @path = @endpoint.path.empty? ? "/" : @endpoint.path
+      @idle_timeout = idle_timeout
+    end
+
+    def rest_api(verb, path, data = nil)
+      args = [@endpoint.to_s + path]
+      jwt = JWT.encode({}, @private_key, 'RS256')
+
+      if data
+        if %i[post put patch].include?(verb)
+          args << data.compact.to_json
+          args << { 'Content-Type' => 'application/json', 'Authorization' => 'Bearer ' + jwt }
+        else
+          args << data.compact
+          args << {}
+        end
+      else
+        args << nil
+        args << {}
+      end
+
+      args.last['Accept'] = 'application/json'
+
+      response = connection.send(verb, *args)
+      response.assert_success!
+      response = JSON.parse(response.body)
+    rescue Faraday::Error => e
+      raise ConnectionError, e
+    rescue StandardError => e
+      raise Error, e
+    end
+
+    private
+
+    def connection
+      ca_file_path = ENV.fetch('HDWALLET_SSL_CERT_PATH', '')
+      ssl = if ca_file_path.present?
+              { ca_file: ca_file_path }
+            else
+              Rails.logger.warn { "Peer verification turned off. SSL connection { verify: false }" }
+              { verify: false }
+            end
+
+      @connection ||= Faraday.new(@endpoint, { ssl: ssl }) do |f|
+        f.adapter :net_http_persistent, pool_size: 5, idle_timeout: @idle_timeout
+      end
+    end
+  end
+end