Handle error responses

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cl-gas-updater",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "A service which updates the gas price for Chainlink responses",
   "keywords": [
     "chainlink",

requester.js

@@ -12,7 +12,7 @@ const getPrice = async (url, speed, multiplyBy) => {
     logger.debug(response)
     return convertToWei(response[speed], multiplyBy)
   } catch (error) {
-    throw error
+    logger.error(error)
   }
 }
 

test/helpers.js

@@ -15,6 +15,10 @@ const startTestServer = () => {
     })
   })
 
+  app.get('/error', (req, res) => {
+    res.status(500).send()
+  })
+
   app.listen(port)
 }
 

test/requests_test.js

@@ -136,6 +136,26 @@ describe('createRequests', () => {
     })
   })
 
+  context('when an endpoint returns an error', () => {
+    const details = {
+      urls: 'http://localhost:8080/test,http://localhost:8080/error,http://localhost:8080/test',
+      fields: 'always10Num,always15Num,always20String',
+      wei: '1000000000,1000000000,1000000000',
+      fallbackGasPrice: 25000000000,
+      addedGasPrice: 1000000000,
+      maxGasPrice: 50000000000
+
+    }
+
+    const expected = 21000000000
+
+    it('returns the expected result', async () => {
+      const gasPrice = await createRequests(details)
+      assert.isNumber(gasPrice)
+      assert.equal(gasPrice, expected)
+    })
+  })
+
   after(() => {
     testServer.stopTestServer()
   })