moved endpoint to price library plus unit/integrationt tests

Adding a getCurrencyInfo endpoint to bch-api in both v4 and v5 routes

src/routes/v5/price.js

@@ -36,6 +36,7 @@ class Price {
     this.router.get('/rates', _this.getBCHRate)
     this.router.get('/bchausd', _this.getBCHAUSD)
     this.router.get('/bchusd', _this.getBCHUSD)
+    this.router.get('/getcurrencyinfo', this.getCurrencyInfo)
   }
 
   // DRY error handler.
@@ -56,6 +57,41 @@ class Price {
     return res.json({ status: 'price' })
   }
 
+  /**
+    * @api {get} /price/getcurrencyinfo  Get information about the currency.
+    * @apiName getcurrencyinfo
+    * @apiGroup Price
+    * @apiDescription Returns an object containing the currency's ticker, satoshisperunit and decimals.
+    *
+    *
+    * @apiExample Example usage:
+    * curl -X GET "https://api.fullstack.cash/v5/price/getcurrencyinfo" -H "accept: application/json"
+    *
+    *
+    */
+  async getCurrencyInfo (req, res, next) {
+    try {
+      const {
+        BitboxHTTP,
+        // username,
+        // password,
+        requestConfig
+      } = routeUtils.setEnvVars()
+
+      requestConfig.data.id = 'getcurrencyinfo'
+      requestConfig.data.method = 'getcurrencyinfo'
+
+      const response = await BitboxHTTP(requestConfig)
+
+      return res.json(response.data.result)
+    } catch (err) {
+      // Write out error to error log.
+      wlogger.error('Error in price.js/getCurrencyInfo().', err)
+
+      return _this.errorHandler(err, res)
+    }
+  }
+
   /**
    * @api {get} /price/usd Get the USD price of BCH
    * @apiName Get the USD price of BCH

test/v5/integration/price.js

@@ -11,7 +11,7 @@ const assert = require('chai').assert
 const util = require('util')
 util.inspect.defaultOptions = { depth: 1 }
 
-const Price = require('../../../src/routes/v4/price')
+const Price = require('../../../src/routes/v5/price')
 const price = new Price()
 
 const { mockReq, mockRes } = require('../mocks/express-mocks')
@@ -50,4 +50,13 @@ describe('#price', () => {
       assert.isNumber(result.usd)
     })
   })
+  describe('#getCurrencyInfo', () => {
+    it('should get the full node currency settings', async () => {
+      const result = await price.getCurrencyInfo(req, res)
+      console.log(`result: ${util.inspect(result)}`)
+
+      assert.isNumber(result.satoshisperunit)
+      assert.isNumber(result.decimals)
+    })
+  })
 })

test/v5/mocks/price-mock.js

@@ -235,7 +235,14 @@ const mockCoinexFeed = {
   message: 'OK'
 }
 
+const mockCurrencyInfo = {
+  ticker: 'BCHA',
+  satoshisperunit: 100000000,
+  decimals: 8
+}
+
 module.exports = {
   mockCoinbaseFeed,
+  mockCurrencyInfo,
   mockCoinexFeed
 }

test/v5/price.js

@@ -12,8 +12,9 @@
 const chai = require('chai')
 const assert = chai.assert
 const sinon = require('sinon')
-
+const nock = require('nock') // HTTP mocking
 const Price = require('../../src/routes/v5/price')
+
 let uut
 
 // Mocking data.
@@ -31,6 +32,7 @@ describe('#PriceRouter', () => {
   before(() => {
     // Set default environment variables for unit tests.
     if (!process.env.TEST) process.env.TEST = 'unit'
+    process.env.RPC_BASEURL = 'http://fakenode:fakeport'
   })
 
   // Setup the mocks before each test.
@@ -44,12 +46,19 @@ describe('#PriceRouter', () => {
     req.body = {}
     req.query = {}
 
+    // Activate nock if it's inactive.
+    if (!nock.isActive()) nock.activate()
+
     sandbox = sinon.createSandbox()
 
     uut = new Price()
   })
 
   afterEach(() => {
+    // Clean up HTTP mocks.
+    nock.cleanAll() // clear interceptor list.
+    nock.restore()
+
     // Restore Sandbox
     sandbox.restore()
   })
@@ -343,4 +352,34 @@ describe('#PriceRouter', () => {
       assert.isNumber(result.usd)
     })
   })
+
+  describe('#getCurrencyInfo', async () => {
+    it('should throw 500 when network issues', async () => {
+      await uut.getCurrencyInfo(req, res)
+
+      assert.isAbove(
+        res.statusCode,
+        499,
+        'HTTP status code 500 or greater expected.'
+      )
+      // console.log(res)
+      assert.include(
+        res.output.error,
+        'Network error: Could not communicate with full node or other external service'
+      )
+    })
+
+    it('should get the currency settings of the full node', async () => {
+      // Mock the RPC call for unit tests.
+      if (process.env.TEST === 'unit') {
+        // intercept the RPC_BASEURL parameter
+        nock(`${process.env.RPC_BASEURL}`)
+          .post((uri) => uri.includes('/'))
+          .reply(200, { result: mockData.mockCurrencyInfo })
+      }
+
+      const result = await uut.getCurrencyInfo(req, res)
+      assert.hasAllKeys(result, ['ticker', 'satoshisperunit', 'decimals'])
+    })
+  })
 })