Merge pull request #149 from Permissionless-Software-Foundation/ct-unstable

fix(v5 Fulcrum): Requiring FULCRUM_API env var when starting server

src/app.js

@@ -46,6 +46,7 @@ const ControlV5 = require('./routes/v5/full-node/control')
 const MiningV5 = require('./routes/v5/full-node/mining')
 const networkV5 = require('./routes/v5/full-node/network')
 const RawtransactionsV5 = require('./routes/v5/full-node/rawtransactions')
+const DSProofV5 = require('./routes/v5/full-node/dsproof')
 const UtilV5 = require('./routes/v5/util')
 const SlpV5 = require('./routes/v5/slp')
 const xpubV5 = require('./routes/v5/xpub')
@@ -78,7 +79,7 @@ const electrumxv5 = new ElectrumXV5()
 const encryptionv5 = new EncryptionV5()
 const pricev5 = new PriceV5()
 const utilV5 = new UtilV5({ electrumx: electrumxv5 })
-
+const dsproofV5 = new DSProofV5()
 const app = express()
 
 app.locals.env = process.env
@@ -187,6 +188,7 @@ app.use(`/${v5prefix}/` + 'electrumx', electrumxv5.router)
 app.use(`/${v5prefix}/` + 'encryption', encryptionv5.router)
 app.use(`/${v5prefix}/` + 'price', pricev5.router)
 app.use(`/${v5prefix}/` + 'util', utilV5.router)
+app.use(`/${v5prefix}/` + 'dsproof', dsproofV5.router)
 
 // const ninsight = new Ninsight()
 app.use(`/${v5prefix}/` + 'ninsight', ninsight.router)

src/routes/v5/full-node/dsproof.js

@@ -0,0 +1,95 @@
+'use strict'
+
+const express = require('express')
+const router = express.Router()
+
+const axios = require('axios')
+const wlogger = require('../../../util/winston-logging')
+
+const RouteUtils = require('../../../util/route-utils')
+const routeUtils = new RouteUtils()
+
+// Used to convert error messages to strings, to safely pass to users.
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+let _this
+class DSProof {
+  constructor () {
+    _this = this
+    _this.axios = axios
+    _this.routeUtils = routeUtils
+
+    _this.router = router
+    _this.router.get('/', this.root)
+    _this.router.get('/getdsproof/:txid', _this.getDSProof)
+  }
+
+  // DRY error handler.
+  errorHandler (err, res) {
+    // Attempt to decode the error message.
+    const { msg, status } = _this.routeUtils.decodeError(err)
+    if (msg) {
+      res.status(status)
+      return res.json({ error: msg })
+    }
+
+    res.status(500)
+    return res.json({ error: util.inspect(err) })
+  }
+
+  root (req, res, next) {
+    return res.json({ status: 'dsproof' })
+  }
+
+  /**
+   * @api {get} /dsproof/getdsproof/:txid  Get Double-Spend Proof.
+   * @apiName DS Proof.
+   * @apiGroup DSProof
+   * @apiDescription Get information for a double-spend proof.
+   *
+   *
+   * @apiExample Example usage:
+   * curl -X GET "https://api.fullstack.cash/v5/dsproof/getdsproof/a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d" -H "accept: application/json"
+   *
+   *
+   */
+  async getDSProof (req, res, next) {
+    try {
+      const txid = req.params.txid
+
+      let verbose = 2 // default
+      if (req.query.verbose === 'true') verbose = 3
+
+      if (!txid || txid === '') {
+        res.status(400)
+        return res.json({
+          success: false,
+          error: 'txid can not be empty'
+        })
+      }
+
+      if (txid.length !== 64) {
+        res.status(400)
+        return res.json({
+          success: false,
+          error: `txid must be of length 64 (not ${txid.length})`
+        })
+      }
+
+      const options = _this.routeUtils.getAxiosOptions()
+      options.data.id = 'getdsproof'
+      options.data.method = 'getdsproof'
+      options.data.params = [txid, verbose]
+
+      const response = await _this.axios.request(options)
+      return res.json(response.data.result)
+    } catch (err) {
+      wlogger.error('Error in dsproof.js/getDSProof().', err)
+
+      return _this.errorHandler(err, res)
+    }
+  }
+}
+
+module.exports = DSProof

test/v5/a01-electrumx.js

@@ -609,6 +609,985 @@ describe('#Electrumx', () => {
     })
   })
 
+  describe('#getTransactionDetails', () => {
+    it('should throw 400 if tx is empty', async () => {
+      const result = await electrumxRoute.getTransactionDetails(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'txid must be a string')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 on array input', async () => {
+      req.params.txid = [
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d'
+      ]
+
+      const result = await electrumxRoute.getTransactionDetails(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'txid must be a string')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      req.params.txid = '02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c'
+
+      const result = await electrumxRoute.getTransactionDetails(req, res)
+
+      assert.property(result, 'error')
+      assert.include(result.error.error, 'Invalid tx hash')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should get details for a single tx', async () => {
+      req.params.txid =
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d'
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'get')
+          .resolves({ data: { success: true, details: mockData.txDetails } })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.getTransactionDetails(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'details')
+      assert.property(result.details, 'blockhash')
+      assert.property(result.details, 'blocktime')
+      assert.property(result.details, 'confirmations')
+      assert.property(result.details, 'hash')
+      assert.property(result.details, 'hex')
+      assert.property(result.details, 'locktime')
+      assert.property(result.details, 'size')
+      assert.property(result.details, 'time')
+      assert.property(result.details, 'txid')
+      assert.property(result.details, 'version')
+      assert.property(result.details, 'vin')
+      assert.property(result.details, 'vout')
+    })
+  })
+
+  describe('#transactionDetailsBulk', () => {
+    it('should throw 400 if txids is empty', async () => {
+      const result = await electrumxRoute.transactionDetailsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'txids needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 if input provided is not array', async () => {
+      req.body.txids =
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d'
+
+      const result = await electrumxRoute.transactionDetailsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'txids needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 error if addresses array is too large', async () => {
+      const testArray = []
+      for (var i = 0; i < 25; i++) testArray.push('')
+
+      req.body.txids = testArray
+
+      const result = await electrumxRoute.transactionDetailsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Array too large')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should handle error', async () => {
+      req.body.txids = [
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d',
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d'
+      ]
+      // Force error
+      sandbox.stub(electrumxRoute.axios, 'post').throws(new Error('Test error'))
+
+      // Call the details API.
+      const result = await electrumxRoute.transactionDetailsBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Test error')
+    })
+
+    it('should get details for an array of tx', async () => {
+      req.body.txids = [
+        'a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d'
+      ]
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'post')
+          .resolves({ data: mockData.txDetailsBulk })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.transactionDetailsBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'transactions')
+      const tx = result.transactions[0]
+
+      assert.property(tx, 'details')
+      assert.property(tx.details, 'blockhash')
+      assert.property(tx.details, 'blocktime')
+      assert.property(tx.details, 'confirmations')
+      assert.property(tx.details, 'hash')
+      assert.property(tx.details, 'hex')
+      assert.property(tx.details, 'locktime')
+      assert.property(tx.details, 'size')
+      assert.property(tx.details, 'time')
+      assert.property(tx.details, 'txid')
+      assert.property(tx.details, 'version')
+      assert.property(tx.details, 'vin')
+      assert.property(tx.details, 'vout')
+    })
+  })
+
+  describe('#broadcastTransaction', () => {
+    it('should throw 400 if txHex is empty', async () => {
+      const result = await electrumxRoute.broadcastTransaction(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'request body must be a string')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 on invalid input type', async () => {
+      req.body.txHex = [mockData.txDetails.hex]
+
+      const result = await electrumxRoute.broadcastTransaction(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'request body must be a string')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      req.body.txHex = mockData.txDetails.hex.substring(10)
+      const result = await electrumxRoute.broadcastTransaction(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error.error, 'the transaction was rejected')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should broadcast transaction', async function () {
+      req.body.txHex = mockData.txDetails.hex
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'post')
+          .resolves({ data: { success: true, txid: mockData.txDetails.hash } })
+      } else {
+        return this.skip()
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.broadcastTransaction(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'txid')
+      assert.isString(result.txid)
+    })
+  })
+
+  describe('#getBlockHeaders', () => {
+    it('should throw 400 if height is empty', async () => {
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'height must be a positive number')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+    it('should throw 400 if height is not a number', async () => {
+      req.params.height = 'wrong type'
+
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'height must be a positive number')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+    it('should throw 400 if height is negative', async () => {
+      req.params.height = -1
+
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'height must be a positive number')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 if count is not a number', async () => {
+      req.params.height = 2
+      req.query.count = 'wrong type'
+
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'count must be a positive number')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 if count is negative', async () => {
+      req.params.height = 2
+      req.query.count = -1
+
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'count must be a positive number')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      req.params.height = 99999999999999
+      req.query.count = 99999999999999
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox.stub(electrumxRoute.axios, 'get').resolves({
+          data: { success: false, error: { error: 'Invalid height' } }
+        })
+      }
+      // Call the details API.
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error.error, 'Invalid height')
+    })
+    it('should handle error', async () => {
+      req.params.height = 42
+      req.query.count = 2
+      // Force error
+      sandbox.stub(electrumxRoute.axios, 'get').throws(new Error('Test error'))
+
+      // Call the details API.
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Test error')
+    })
+
+    it('should get headers for a single block height with count 2', async () => {
+      req.params.height = 42
+      req.query.count = 2
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox.stub(electrumxRoute.axios, 'get').resolves({
+          data: { success: true, headers: mockData.blockHeaders }
+        })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.getBlockHeaders(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'headers')
+      assert.isArray(result.headers)
+      assert.deepEqual(result.headers, mockData.blockHeaders)
+    })
+  })
+  describe('#blockHeadersBulk', () => {
+    it('should throw 400 for an empty body', async () => {
+      const result = await electrumxRoute.blockHeadersBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'heights needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should NOT throw 400 error for an invalid height', async () => {
+      req.body = {
+        heights: [{ height: -10, count: 2 }]
+      }
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox.stub(electrumxRoute.axios, 'post').resolves({
+          data: { success: true, headers: [{ headers: {} }] }
+        })
+      }
+      const result = await electrumxRoute.blockHeadersBulk(req, res)
+      console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 200, 'Expect 200 status code')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'headers')
+      assert.isArray(result.headers)
+      assert.property(result.headers[0], 'headers')
+    })
+
+    it('should throw 400 error if heights array is too large', async () => {
+      const testArray = []
+      for (var i = 0; i < 25; i++) testArray.push('')
+
+      req.body.heights = testArray
+
+      const result = await electrumxRoute.blockHeadersBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Array too large')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should handle error', async () => {
+      req.body = {
+        heights: [
+          { height: 42, count: 2 },
+          { height: 42, count: 2 }
+        ]
+      }
+
+      // Force error
+      sandbox.stub(electrumxRoute.axios, 'post').throws(new Error('Test error'))
+
+      // Call the details API.
+      const result = await electrumxRoute.blockHeadersBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Test error')
+    })
+    it('should get block heights', async () => {
+      req.body = {
+        heights: [
+          { height: 42, count: 2 },
+          { height: 42, count: 2 }
+        ]
+      }
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+        sandbox
+          .stub(electrumxRoute.axios, 'post')
+          .resolves({ data: mockData.blockHeadersBulk })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.blockHeadersBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'headers')
+      assert.isArray(result.headers)
+      assert.property(result.headers[0], 'headers')
+    })
+  })
+  describe('#getTransactions', () => {
+    it('should throw 400 if address is empty', async () => {
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 on array input', async () => {
+      req.params.address = ['qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c']
+
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'address can not be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw an error for an invalid address', async () => {
+      req.params.address = '02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c'
+
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should detect a network mismatch', async () => {
+      req.params.address = 'bchtest:qq89kjkeqz9mngp8kl3dpmu43y2wztdjqu500gn4c4'
+
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid network', 'Proper error message')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      // Address has invalid checksum.
+      req.params.address =
+        'bitcoincash:qr69kyzha07dcecrsvjwsj4s6slnlq4r8c30lxnur2'
+
+      // Call the details API.
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+    })
+
+    it('should get transaction for a single address', async () => {
+      req.params.address =
+        'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7'
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox.stub(electrumxRoute.axios, 'get').resolves({
+          data: { success: true, transactions: mockData.transactions }
+        })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.getTransactions(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'transactions')
+      assert.isArray(result.transactions)
+
+      assert.property(result.transactions[0], 'height')
+      assert.property(result.transactions[0], 'tx_hash')
+    })
+  })
+  describe('#transactionsBulk', () => {
+    it('should throw 400 if addresses is empty', async () => {
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'addresses needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 if input provided is not array', async () => {
+      req.body.addresses = 'qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c'
+
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'addresses needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 error if addresses array is too large', async () => {
+      const testArray = []
+      for (var i = 0; i < 25; i++) testArray.push('')
+
+      req.body.addresses = testArray
+
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Array too large')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw an error for an invalid address', async () => {
+      req.body.addresses = ['02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c']
+
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid BCH address')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should detect a network mismatch', async () => {
+      req.body.addresses = [
+        'bchtest:qq89kjkeqz9mngp8kl3dpmu43y2wztdjqu500gn4c4'
+      ]
+
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid network', 'Proper error message')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      // Address has invalid checksum.
+      req.body.addresses = [
+        'bitcoincash:qr69kyzha07dcecrsvjwsj4s6slnlq4r8c30lxnur2'
+      ]
+
+      // Call the details API.
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid BCH address')
+    })
+    it('should handle error', async () => {
+      req.body.addresses = [
+        'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7',
+        'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
+      ]
+      // Force error
+      sandbox.stub(electrumxRoute.axios, 'post').throws(new Error('Test error'))
+
+      // Call the details API.
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Test error')
+    })
+    it('should get transaction for an array of addresses', async () => {
+      req.body.addresses = [
+        'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7',
+        'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
+      ]
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'post')
+          .resolves({ data: mockData.transactionsBulk })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.transactionsBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'transactions')
+      assert.isArray(result.transactions)
+
+      assert.property(result.transactions[0], 'transactions')
+      assert.isArray(result.transactions[0].transactions)
+
+      assert.property(result.transactions[0].transactions[0], 'height')
+      assert.property(result.transactions[0].transactions[0], 'tx_hash')
+    })
+  })
+  describe('#getMempool', () => {
+    it('should throw 400 if address is empty', async () => {
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 on array input', async () => {
+      req.params.address = ['qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c']
+
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'address can not be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw an error for an invalid address', async () => {
+      req.params.address = '02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c'
+
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 422, 'Expect 422 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should detect a network mismatch', async () => {
+      req.params.address = 'bchtest:qq89kjkeqz9mngp8kl3dpmu43y2wztdjqu500gn4c4'
+
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid network', 'Proper error message')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      // Address has invalid checksum.
+      req.params.address =
+        'bitcoincash:qr69kyzha07dcecrsvjwsj4s6slnlq4r8c30lxnur2'
+
+      // Call the details API.
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Unsupported address format')
+    })
+
+    it('should get mempool for a single address', async () => {
+      req.params.address =
+        'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'get')
+          .resolves({ data: { success: true, utxos: mockData.utxos } })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.getMempool(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'utxos')
+      assert.isArray(result.utxos)
+    })
+  })
+  describe('#mempoolBulk', () => {
+    it('should throw 400 if addresses is empty', async () => {
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'addresses needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 if input provided is not array', async () => {
+      req.body.addresses = 'qzs02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c'
+
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'addresses needs to be an array')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw 400 error if addresses array is too large', async () => {
+      const testArray = []
+      for (var i = 0; i < 25; i++) testArray.push('')
+
+      req.body.addresses = testArray
+
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Array too large')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should throw an error for an invalid address', async () => {
+      req.body.addresses = ['02v05l7qs5s24srqju498qu55dwuj0cx5ehjm2c']
+
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid BCH address')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should detect a network mismatch', async () => {
+      req.body.addresses = [
+        'bchtest:qq89kjkeqz9mngp8kl3dpmu43y2wztdjqu500gn4c4'
+      ]
+
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(res.statusCode, 400, 'Expect 400 status code')
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid network', 'Proper error message')
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+    })
+
+    it('should pass errors from electrum-cash to user', async () => {
+      // Address has invalid checksum.
+      req.body.addresses = [
+        'bitcoincash:qr69kyzha07dcecrsvjwsj4s6slnlq4r8c30lxnur2'
+      ]
+
+      // Call the details API.
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Invalid BCH address')
+    })
+    it('should handle error', async () => {
+      req.body.addresses = [
+        'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7',
+        'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
+      ]
+      // Force error
+      sandbox.stub(electrumxRoute.axios, 'post').throws(new Error('Test error'))
+
+      // Call the details API.
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'error')
+      assert.include(result.error, 'Test error')
+    })
+    it('should get mempool for multiple addresses', async () => {
+      req.body.addresses = [
+        'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7',
+        'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
+      ]
+
+      // Mock unit tests to prevent live network calls.
+      if (process.env.TEST === 'unit') {
+        electrumxRoute.isReady = true // Force flag.
+
+        sandbox
+          .stub(electrumxRoute.axios, 'post')
+          .resolves({ data: mockData.utxosArray })
+      }
+
+      // Call the details API.
+      const result = await electrumxRoute.mempoolBulk(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'utxos')
+      assert.property(result.utxos[0], 'utxos')
+      assert.property(result.utxos[0], 'address')
+
+      assert.isArray(result.utxos[0].utxos)
+      assert.isString(result.utxos[0].address)
+    })
+  })
+
   // describe('#_utxosFromElectrumx', () => {
   //   it('should throw error for invalid address', async () => {
   //     try {

test/v5/dsproof.js

@@ -0,0 +1,190 @@
+/*
+  TESTS FOR THE DSPROOF.JS LIBRARY
+
+  This test file uses the environment variable TEST to switch between unit
+  and integration tests. By default, TEST is set to 'unit'. Set this variable
+  to 'integration' to run the tests against BCH mainnet.
+*/
+
+'use strict'
+
+const chai = require('chai')
+const assert = chai.assert
+const DSProofRoute = require('../../src/routes/v5/full-node/dsproof')
+const uut = new DSProofRoute()
+
+// const nock = require('nock') // HTTP mocking
+const sinon = require('sinon')
+
+let originalEnvVars // Used during transition from integration to unit tests.
+
+// Mocking data.
+const { mockReq, mockRes } = require('./mocks/express-mocks')
+const mockData = require('./mocks/dsproof-mocks')
+
+// Used for debugging.
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+describe('#DSProof', () => {
+  let req, res
+  let sandbox
+  before(() => {
+    // Save existing environment variables.
+    originalEnvVars = {
+      BITCOINCOM_BASEURL: process.env.BITCOINCOM_BASEURL,
+      RPC_BASEURL: process.env.RPC_BASEURL,
+      RPC_USERNAME: process.env.RPC_USERNAME,
+      RPC_PASSWORD: process.env.RPC_PASSWORD
+    }
+
+    // Set default environment variables for unit tests.
+    if (!process.env.TEST) process.env.TEST = 'unit'
+    if (process.env.TEST === 'unit') {
+      process.env.BITCOINCOM_BASEURL = 'http://fakeurl/api/'
+      process.env.RPC_BASEURL = 'http://fakeurl/api'
+      process.env.RPC_USERNAME = 'fakeusername'
+      process.env.RPC_PASSWORD = 'fakepassword'
+    }
+  })
+
+  // Setup the mocks before each test.
+  beforeEach(() => {
+    // Mock the req and res objects used by Express routes.
+    req = mockReq
+    res = mockRes
+
+    // Explicitly reset the parmas and body.
+    req.params = {}
+    req.body = {}
+    req.query = {}
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => {
+    // Restore Sandbox
+    sandbox.restore()
+  })
+
+  after(() => {
+    // Restore any pre-existing environment variables.
+    process.env.BITCOINCOM_BASEURL = originalEnvVars.BITCOINCOM_BASEURL
+    process.env.RPC_BASEURL = originalEnvVars.RPC_BASEURL
+    process.env.RPC_USERNAME = originalEnvVars.RPC_USERNAME
+    process.env.RPC_PASSWORD = originalEnvVars.RPC_PASSWORD
+  })
+
+  describe('#root', async () => {
+    // root route handler.
+    it('should respond to GET for base route', async () => {
+      const result = uut.root(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.equal(result.status, 'dsproof', 'Returns static string')
+    })
+  })
+
+  describe('#getDSProof', async () => {
+    it('should throw 400 error if txid  is missing', async () => {
+      const result = await uut.getDSProof(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.hasAllKeys(result, ['error', 'success'])
+      assert.isFalse(result.success)
+      assert.include(result.error, 'txid can not be empty')
+    })
+    it('should throw 400 error if txid is invalid', async () => {
+      req.params.txid = 'abc123'
+
+      const result = await uut.getDSProof(req, res)
+
+      assert.hasAllKeys(result, ['error', 'success'])
+      assert.isFalse(result.success)
+
+      assert.equal(res.statusCode, 400, 'HTTP status code 400 expected.')
+      assert.include(result.error, 'txid must be of length 64')
+    })
+    it('should throw 503 when network issues', async () => {
+      req.params.txid =
+        'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
+
+      // Save the existing RPC URL.
+      const savedUrl2 = process.env.RPC_BASEURL
+
+      // Manipulate the URL to cause a 500 network error.
+      process.env.RPC_BASEURL = 'http://fakeurl/api/'
+
+      await uut.getDSProof(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      // Restore the saved URL.
+      process.env.RPC_BASEURL = savedUrl2
+
+      assert.isAbove(
+        res.statusCode,
+        499,
+        'HTTP status code 500 or greater expected.'
+      )
+      // assert.include(result.error,"Network error: Could not communicate with full node","Error message expected")
+    })
+    it('returns proper error when downstream service stalls', async () => {
+      req.params.txid =
+        'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
+      // Mock the timeout error.
+      sandbox.stub(uut.axios, 'request').throws({ code: 'ECONNABORTED' })
+
+      const result = await uut.getDSProof(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.isAbove(res.statusCode, 499, 'HTTP status code 503 expected.')
+      assert.include(
+        result.error,
+        'Could not communicate with full node',
+        'Error message expected'
+      )
+    })
+
+    it('returns proper error when downstream service is down', async () => {
+      req.params.txid =
+        'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
+      // Mock the timeout error.
+      sandbox.stub(uut.axios, 'request').throws({ code: 'ECONNREFUSED' })
+
+      const result = await uut.getDSProof(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.isAbove(res.statusCode, 499, 'HTTP status code 503 expected.')
+      assert.include(
+        result.error,
+        'Could not communicate with full node',
+        'Error message expected'
+      )
+    })
+
+    it('should GET double-spend proof', async function () {
+      req.params.txid =
+        'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
+      // Mock the RPC call for unit tests.
+      if (process.env.TEST === 'unit') {
+        sandbox
+          .stub(uut.axios, 'request')
+          .resolves({ data: { result: mockData.mockGetDsProof } })
+      } else {
+        return this.skip()
+      }
+
+      const result = await uut.getDSProof(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.property(result, 'dspid')
+      assert.property(result, 'txid')
+      assert.property(result, 'outpoint')
+      assert.property(result, 'path')
+      assert.property(result, 'descendants')
+
+      assert.property(result.outpoint, 'txid')
+      assert.property(result.outpoint, 'vout')
+    })
+  })
+})

test/v5/mocks/dsproof-mocks.js

@@ -0,0 +1,22 @@
+/*
+  This library contains mocking data for running unit tests on the dsproof route.
+*/
+
+'use strict'
+
+const mockGetDsProof = {
+  dspid: '6234fff2a9dbcaa50e2c50d74e1d725a2bed1757d7a05a2db7a82df659554397',
+  txid: 'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e',
+  outpoint: {
+    txid: '17ebef34f7e9a0692317dd6fbb43ffccff45b7d688a2a754dbccfc5e6d93ce3e',
+    vout: 1
+  },
+  path: ['ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'],
+  descendants: [
+    'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
+  ]
+}
+
+module.exports = {
+  mockGetDsProof
+}

test/v5/mocks/electrumx-mock.js

@@ -166,11 +166,45 @@ const txDetails = {
   ]
 }
 
+const txDetailsBulk = {
+  success: true,
+  transactions: [{ details: txDetails }]
+}
+
 const blockHeaders = [
   '010000008b52bbd72c2f49569059f559c1b1794de5192e4f7d6d2b03c7482bad0000000083e4f8a9d502ed0c419075c1abb5d56f878a2e9079e5612bfb76a2dc37d9c42741dd6849ffff001d2b909dd6',
   '01000000f528fac1bcb685d0cd6c792320af0300a5ce15d687c7149548904e31000000004e8985a786d864f21e9cbb7cbdf4bc9265fe681b7a0893ac55a8e919ce035c2f85de6849ffff001d385ccb7c'
 ]
 
+const blockHeadersBulk = {
+  success: true,
+  headers: [{ headers: blockHeaders }, { headers: blockHeaders }]
+}
+
+const transactions = [
+  {
+    height: 603416,
+    tx_hash: 'eef683d236d88e978bd406419f144057af3fe1b62ef59162941c1a9f05ded62c'
+  },
+  {
+    height: 646894,
+    tx_hash: '4c695fae636f3e8e2edc571d11756b880ccaae744390f3950d798ce7b5e25754'
+  }
+]
+
+const transactionsBulk = {
+  success: true,
+  transactions: [
+    {
+      transactions,
+      address: 'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7'
+    },
+    {
+      transactions,
+      address: 'bitcoincash:qp3sn6vlwz28ntmf3wmyra7jqttfx7z6zgtkygjhc7'
+    }
+  ]
+}
 module.exports = {
   utxos,
   utxosArray,
@@ -178,6 +212,10 @@ module.exports = {
   txHistory,
   mempool,
   txDetails,
+  txDetailsBulk,
   blockHeaders,
-  balances
+  blockHeadersBulk,
+  balances,
+  transactions,
+  transactionsBulk
 }