Merge pull request #136 from christroutner/unstable

added GET /encryption/publickey endpoint

package.json

@@ -17,7 +17,7 @@
     "test": "npm run lint && npm run test-v3",
     "lint": "standard --env mocha --fix",
     "test-v3": "export NETWORK=mainnet && nyc --reporter=text mocha --timeout 60000 test/v3/",
-    "test:temp": "export NETWORK=mainnet && mocha --timeout 25000 test/v3/blockchain.js",
+    "test:temp": "export NETWORK=mainnet && mocha --timeout 25000 test/v3/encryption.js",
     "test:integration": "mocha test/v3/integration",
     "coverage": "nyc report --reporter=text-lcov | coveralls",
     "coverage:report": "export NETWORK=mainnet && nyc --reporter=html mocha --timeout 25000 test/v3/",
@@ -27,7 +27,7 @@
     "node": ">=10.15.1"
   },
   "dependencies": {
-    "@chris.troutner/bch-js": "^2.0.0",
+    "@chris.troutner/bch-js": "^2.3.16",
     "apidoc": "^0.22.0",
     "axios": "^0.19.0",
     "bitcore-lib-cash": "^8.16.2",
@@ -89,6 +89,6 @@
   },
   "apidoc": {
     "title": "bch-api",
-    "url": "localhost:3000"
+    "url": "https://api.fullstack.cash/v3/"
   }
 }

src/app.js

@@ -38,6 +38,7 @@ const xpubV3 = require('./routes/v3/xpub')
 const BlockbookV3 = require('./routes/v3/blockbook')
 const Ninsight = require('./routes/v3/ninsight')
 const ElectrumXV3 = require('./routes/v3/electrumx')
+const EncryptionV3 = require('./routes/v3/encryption')
 
 require('dotenv').config()
 
@@ -50,6 +51,7 @@ const slpV3 = new SlpV3()
 const blockbookV3 = new BlockbookV3()
 const electrumxv3 = new ElectrumXV3()
 electrumxv3.connect()
+const encryptionv3 = new EncryptionV3()
 
 const app = express()
 
@@ -118,6 +120,7 @@ app.use(`/${v3prefix}/` + 'slp', slpV3.router)
 app.use(`/${v3prefix}/` + 'xpub', xpubV3.router)
 app.use(`/${v3prefix}/` + 'blockbook', blockbookV3.router)
 app.use(`/${v3prefix}/` + 'electrumx', electrumxv3.router)
+app.use(`/${v3prefix}/` + 'encryption', encryptionv3.router)
 
 const ninsight = new Ninsight()
 app.use(`/${v3prefix}/` + 'ninsight', ninsight.router)

src/routes/v3/encryption.js

@@ -0,0 +1,183 @@
+/*
+  Encryption API route
+*/
+
+'use strict'
+
+const express = require('express')
+const router = express.Router()
+const axios = require('axios')
+const util = require('util')
+
+const wlogger = require('../../util/winston-logging')
+const config = require('../../../config')
+
+const RouteUtils = require('../../util/route-utils')
+const routeUtils = new RouteUtils()
+
+const BCHJS = require('@chris.troutner/bch-js')
+const bchjs = new BCHJS()
+
+// Use Blockbook for getting indexer data.
+const Blockbook = require('./blockbook')
+const blockbook = new Blockbook()
+
+// Use RawTransactions library for getting raw blockchain data.
+const RawTransactions = require('./full-node/rawtransactions')
+const rawTransactions = new RawTransactions()
+
+let _this
+
+class Encryption {
+  constructor () {
+    _this = this
+
+    _this.config = config
+    _this.axios = axios
+    _this.routeUtils = routeUtils
+    _this.bchjs = bchjs
+    _this.blockbook = blockbook
+    _this.rawTransactions = rawTransactions
+
+    _this.router = router
+    _this.router.get('/', _this.root)
+    _this.router.get('/publickey/:address', _this.getPublicKey)
+  }
+
+  // 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 })
+    }
+
+    // Handle error patterns specific to this route.
+    if (err.message) {
+      res.status(400)
+      return res.json({ success: false, error: err.message })
+    }
+
+    wlogger.error('Unhandled error in Encryption library: ', err)
+
+    // If error can be handled, return the stack trace
+    res.status(500)
+    return res.json({ error: util.inspect(err) })
+  }
+
+  // Root API endpoint. Simply acknowledges that it exists.
+  root (req, res, next) {
+    return res.json({ status: 'encryption' })
+  }
+
+  /**
+   * @api {get} /encryption/publickey/{addr} Get public key for a BCH address.
+   * @apiName Get encryption key for bch address
+   * @apiGroup Encryption
+   * @apiDescription Searches the blockchain for a public key associated with a BCH address.
+   *
+   *
+   * @apiExample Example usage:
+   * curl -X GET "https://api.fullstack.cash/v3/encryption/publickey/bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf" -H "accept: application/json"
+   *
+   */
+  async getPublicKey (req, res, next) {
+    try {
+      const address = req.params.address
+
+      // Reject if address is an array.
+      if (Array.isArray(address)) {
+        res.status(400)
+        return res.json({
+          success: false,
+          error: 'address can not be an array.'
+        })
+      }
+
+      const cashAddr = _this.bchjs.Address.toCashAddress(address)
+
+      // Prevent a common user error. Ensure they are using the correct network address.
+      const networkIsValid = _this.routeUtils.validateNetwork(cashAddr)
+      if (!networkIsValid) {
+        res.status(400)
+        return res.json({
+          success: false,
+          error:
+            'Invalid network. Trying to use a testnet address on mainnet, or vice versa.'
+        })
+      }
+
+      wlogger.debug(
+        'Executing encryption/getPublicKey with this address: ',
+        cashAddr
+      )
+
+      // Retrieve the transaction history for this address.
+      const balance = await _this.blockbook.balanceFromBlockbook(cashAddr)
+      // console.log(`balance: ${JSON.stringify(balance, null, 2)}`)
+
+      const txHistory = balance.txids
+      // console.log(`txHistory: ${JSON.stringify(txHistory, null, 2)}`)
+
+      // throw error if there is no transaction history.
+      if (!txHistory || txHistory.length === 0) {
+        throw new Error('No transaction history.')
+      }
+
+      // Loop through the transaction history and search for the public key.
+      for (let i = 0; i < txHistory.length; i++) {
+        const thisTx = txHistory[i]
+
+        const txDetails = await _this.rawTransactions.getRawTransactionsFromNode(
+          thisTx,
+          true
+        )
+        // console.log(`txDetails: ${JSON.stringify(txDetails, null, 2)}`)
+
+        const vin = txDetails.vin
+
+        // Loop through each input.
+        for (let j = 0; j < vin.length; j++) {
+          const thisVin = vin[j]
+          // console.log(`thisVin: ${JSON.stringify(thisVin, null, 2)}`)
+
+          // Extract the script signature.
+          const scriptSig = thisVin.scriptSig.asm.split(' ')
+          // console.log(`scriptSig: ${JSON.stringify(scriptSig, null, 2)}`)
+
+          // Extract the public key from the script signature.
+          const pubKey = scriptSig[scriptSig.length - 1]
+          // console.log(`pubKey: ${pubKey}`)
+
+          // Generate cash address from public key.
+          const keyBuf = Buffer.from(pubKey, 'hex')
+          const ec = _this.bchjs.ECPair.fromPublicKey(keyBuf)
+          const cashAddr2 = _this.bchjs.ECPair.toCashAddress(ec)
+          // console.log(`cashAddr2: ${cashAddr2}`)
+
+          // If public keys match, this is the correct public key.
+          if (cashAddr === cashAddr2) {
+            res.status(200)
+            return res.json({
+              success: true,
+              publicKey: pubKey
+            })
+          }
+        }
+      }
+
+      res.status(200)
+      return res.json({
+        success: false,
+        publicKey: 'not found'
+      })
+    } catch (err) {
+      wlogger.error('Error in encryption.js/getPublicKey().', err)
+
+      return _this.errorHandler(err, res)
+    }
+  }
+}
+
+module.exports = Encryption

src/routes/v3/full-node/blockchain.js

@@ -692,7 +692,7 @@ class Blockchain {
    * @apiDescription Returns details about an unspent transaction output (UTXO).
    *
    * @apiExample Example usage:
-   * curl -X POST "https://api.fullstack.cash/v3/blockchain/getTxOut" -H "Content-Type: application/json" -d '{"txid":"a402836c7ced7d7ad2df26d7ee5235f2605d59d65c5c567a750f9eaf186ebb47","vout": 0, "mempool": true}'
+   * curl "https://api.fullstack.cash/v3/blockchain/getTxOut/" -X POST -H "Content-Type: application/json" --data-binary '{"txid":"d5228d2cdc77fbe5a9aa79f19b0933b6802f9f0067f42847fc4fe343664723e5","vout":0,"mempool":true}'
    *
    * @apiParam {String} txid Transaction id (required)
    * @apiParam {Number} vout of transaction (required)

src/util/winston-logging.js

@@ -48,7 +48,7 @@ var wlogger = winston.createLogger({
 wlogger.add(
   new winston.transports.Console({
     format: winston.format.simple(),
-    level: "info"
+    level: 'info'
   })
 )
 */

test/v3/blockbook.js

@@ -147,6 +147,7 @@ describe('#Blockbook Router', () => {
         process.env.BLOCKBOOK_URL = savedUrl
       }
     })
+
     it('returns proper error when downstream service stalls', async () => {
       req.params.address =
         'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'
@@ -166,6 +167,7 @@ describe('#Blockbook Router', () => {
         'Error message expected'
       )
     })
+
     it('returns proper error when downstream service is down', async () => {
       req.params.address =
         'bitcoincash:qrdka2205f4hyukutc2g0s6lykperc8nsu5u2ddpqf'

test/v3/encryption.js

@@ -0,0 +1,146 @@
+/*
+  TESTS FOR THE ENCRYPTION.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.
+
+  To-Do:
+*/
+
+'use strict'
+
+const chai = require('chai')
+const assert = chai.assert
+
+const sinon = require('sinon')
+
+// Set default environment variables for unit tests.
+if (!process.env.TEST) process.env.TEST = 'unit'
+
+// Only load blockbook library after setting BLOCKBOOK_URL env var.
+const EncryptionRoute = require('../../src/routes/v3/encryption')
+const encryptionRoute = new EncryptionRoute()
+
+// Mocking data.
+const { mockReq, mockRes } = require('./mocks/express-mocks')
+const mockData = require('./mocks/encryption-mocks')
+
+// Used for debugging.
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+describe('#Encryption Router', () => {
+  let req, res
+  let sandbox
+  before(() => {
+    // console.log(`Testing type is: ${process.env.TEST}`)
+
+    if (!process.env.NETWORK) process.env.NETWORK = 'testnet'
+  })
+
+  // 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(() => {
+    sandbox.restore()
+  })
+
+  after(() => {})
+
+  describe('#root', () => {
+    // root route handler.
+    const root = encryptionRoute.root
+
+    it('should respond to GET for base route', async () => {
+      const result = root(req, res)
+
+      assert.equal(result.status, 'encryption', 'Returns static string')
+    })
+  })
+
+  describe('#getPublicKey', () => {
+    it('should get public key from blockchain', async () => {
+      req.params.address =
+        'bitcoincash:qrehqueqhw629p6e57994436w730t4rzasnly00ht0'
+
+      // Mock the Insight URL for unit tests.
+      if (process.env.TEST === 'unit') {
+        sandbox
+          .stub(encryptionRoute.blockbook, 'balanceFromBlockbook')
+          .resolves(mockData.mockBalance)
+        sandbox
+          .stub(encryptionRoute.rawTransactions, 'getRawTransactionsFromNode')
+          .resolves(mockData.mockTxDetails)
+      }
+
+      const result = await encryptionRoute.getPublicKey(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, true)
+
+      assert.property(result, 'publicKey')
+      assert.equal(
+        result.publicKey,
+        '044eb40b025df18409f2a5197b010dd62a9e65d9a74e415e5b10367721a9c4baa7ebfee22d14b8ece1c9bd70c0d9e5e8b00b61b81b88a1b5ce6f24eac6b8a34b2c'
+      )
+    })
+
+    it('should return false for address with no tx history', async () => {
+      req.params.address =
+        'bitcoincash:qqwfpk04ecf69wuprj9yjys9rla5mk7rj5j8uthqel'
+
+      // Mock the Insight URL for unit tests.
+      if (process.env.TEST === 'unit') {
+        sandbox
+          .stub(encryptionRoute.blockbook, 'balanceFromBlockbook')
+          .resolves(mockData.mockNoTxHistory)
+      }
+
+      const result = await encryptionRoute.getPublicKey(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, 'No transaction history')
+    })
+
+    it('should return false for address with no send history', async () => {
+      req.params.address =
+        'bitcoincash:qq78nwj5x97yh6wtlfd27dtlwjuh70vkjc59h8tgtg'
+
+      // Mock the Insight URL for unit tests.
+      if (process.env.TEST === 'unit') {
+        sandbox
+          .stub(encryptionRoute.blockbook, 'balanceFromBlockbook')
+          .resolves(mockData.mockNoSendBalance)
+        sandbox
+          .stub(encryptionRoute.rawTransactions, 'getRawTransactionsFromNode')
+          .resolves(mockData.mockNoSendTx)
+      }
+
+      const result = await encryptionRoute.getPublicKey(req, res)
+      // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+      assert.property(result, 'success')
+      assert.equal(result.success, false)
+
+      assert.property(result, 'publicKey')
+      assert.include(result.publicKey, 'not found')
+    })
+  })
+})

test/v3/mocks/encryption-mocks.js

@@ -0,0 +1,179 @@
+/*
+  Mock data for the encryption test library
+*/
+
+const mockBalance = {
+  page: 1,
+  totalPages: 1,
+  itemsOnPage: 1000,
+  address: 'bitcoincash:qrehqueqhw629p6e57994436w730t4rzasnly00ht0',
+  balance: '582434',
+  totalReceived: '213083250',
+  totalSent: '212500816',
+  unconfirmedBalance: '0',
+  unconfirmedTxs: 0,
+  txs: 12,
+  txids: [
+    'c42f8f16d3baa2ee343ea89ef110dfe094992379d08edd30887b8ca7ee671c9a',
+    '1afcc63b244182647909539ebe3f4a44b8ea4120a95edb8d9eebe5347b9491bb',
+    'e4a0ac48ff3f42fc342717a2a3d34248e5e85bae79d59bd20e1b60e61b1c500f',
+    '0f9b49cafeb9ae1d741cdb12137c92816aa8470944c270a78ba2e610bd59190d',
+    'ceb0cab0e37b59caf3ca29e1a698d19ff47f2827dd09cb2f3b91b9100b1dad1c',
+    '8bc2134c7e48e56e1769b3d7c4c1e3a0acc68e1e58160eee6fa67f3208c07262',
+    'b3792d28377b975560e1b6f09e48aeff8438d4c6969ca578bd406393bd50bd7d',
+    'ecc1b51bac767880382bf3190ff17abf78d0936843a022a943d871116ed50368',
+    '9ea667bcfc9cd337bd6c5583d8094c1b1942bd2015d95b54189deac5070eeff0',
+    '6960255abe64893073921e96bf3c053c82686e0fc22a565494fbe2a31e766975',
+    '7e9aa7a74de2b30200a2d6fc748ff35a0c753221444194f720bb7f61ef1d9153',
+    'eff00a9538487ff44243c75fb13de19b5783454c42c81b9aff9afbfd09cbaec3'
+  ]
+}
+
+const mockTxDetails = {
+  txid: '1afcc63b244182647909539ebe3f4a44b8ea4120a95edb8d9eebe5347b9491bb',
+  hash: '1afcc63b244182647909539ebe3f4a44b8ea4120a95edb8d9eebe5347b9491bb',
+  version: 1,
+  size: 437,
+  locktime: 0,
+  vin: [
+    {
+      txid: 'c42f8f16d3baa2ee343ea89ef110dfe094992379d08edd30887b8ca7ee671c9a',
+      vout: 0,
+      scriptSig: {
+        asm:
+          '30450221008052d3b067418d53585fb8f91e1b57cf3c040dc9c07a70f393ed663b3f7502c50220749aa8e09ac922e78cb474c8097873cfb2634108d7acaa7db32a73a35743da97[ALL|FORKID] 044eb40b025df18409f2a5197b010dd62a9e65d9a74e415e5b10367721a9c4baa7ebfee22d14b8ece1c9bd70c0d9e5e8b00b61b81b88a1b5ce6f24eac6b8a34b2c',
+        hex:
+          '4830450221008052d3b067418d53585fb8f91e1b57cf3c040dc9c07a70f393ed663b3f7502c50220749aa8e09ac922e78cb474c8097873cfb2634108d7acaa7db32a73a35743da974141044eb40b025df18409f2a5197b010dd62a9e65d9a74e415e5b10367721a9c4baa7ebfee22d14b8ece1c9bd70c0d9e5e8b00b61b81b88a1b5ce6f24eac6b8a34b2c'
+      },
+      sequence: 4294967295
+    },
+    {
+      txid: 'e4a0ac48ff3f42fc342717a2a3d34248e5e85bae79d59bd20e1b60e61b1c500f',
+      vout: 1,
+      scriptSig: {
+        asm:
+          '3044022050d7fe7cdcec81eefa0987b88ddb83274d8e9063d927090dc4c2d1db76c512d302207dc1eea439a627476265ed87f59cc9823fb572ffc2640f0218d7bddc9a621c6e[ALL|FORKID] 044eb40b025df18409f2a5197b010dd62a9e65d9a74e415e5b10367721a9c4baa7ebfee22d14b8ece1c9bd70c0d9e5e8b00b61b81b88a1b5ce6f24eac6b8a34b2c',
+        hex:
+          '473044022050d7fe7cdcec81eefa0987b88ddb83274d8e9063d927090dc4c2d1db76c512d302207dc1eea439a627476265ed87f59cc9823fb572ffc2640f0218d7bddc9a621c6e4141044eb40b025df18409f2a5197b010dd62a9e65d9a74e415e5b10367721a9c4baa7ebfee22d14b8ece1c9bd70c0d9e5e8b00b61b81b88a1b5ce6f24eac6b8a34b2c'
+      },
+      sequence: 4294967295
+    }
+  ],
+  vout: [
+    {
+      value: 0.47,
+      n: 0,
+      scriptPubKey: {
+        asm:
+          'OP_DUP OP_HASH160 7ab928d0b41194411a2e87a782b688c7cc69ba46 OP_EQUALVERIFY OP_CHECKSIG',
+        hex: '76a9147ab928d0b41194411a2e87a782b688c7cc69ba4688ac',
+        reqSigs: 1,
+        type: 'pubkeyhash',
+        addresses: ['bitcoincash:qpatj2xsksgegsg696r60q4k3rruc6d6gc3srp333v']
+      }
+    },
+    {
+      value: 0.00531373,
+      n: 1,
+      scriptPubKey: {
+        asm:
+          'OP_DUP OP_HASH160 f3707320bbb4a28759a78a5ad63a77a2f5d462ec OP_EQUALVERIFY OP_CHECKSIG',
+        hex: '76a914f3707320bbb4a28759a78a5ad63a77a2f5d462ec88ac',
+        reqSigs: 1,
+        type: 'pubkeyhash',
+        addresses: ['bitcoincash:qrehqueqhw629p6e57994436w730t4rzasnly00ht0']
+      }
+    }
+  ],
+  hex:
+    '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',
+  blockhash: '0000000000000000045e5e52fb4f9746b3d15d3062855fd346aaef3debef4360',
+  confirmations: 71465,
+  time: 1545564654,
+  blocktime: 1545564654
+}
+
+const mockNoTxHistory = {
+  page: 1,
+  totalPages: 1,
+  itemsOnPage: 1000,
+  address: 'bitcoincash:qqwfpk04ecf69wuprj9yjys9rla5mk7rj5j8uthqel',
+  balance: '0',
+  totalReceived: '0',
+  totalSent: '0',
+  unconfirmedBalance: '0',
+  unconfirmedTxs: 0,
+  txs: 0
+}
+
+const mockNoSendBalance = {
+  page: 1,
+  totalPages: 1,
+  itemsOnPage: 1000,
+  address: 'bitcoincash:qq78nwj5x97yh6wtlfd27dtlwjuh70vkjc59h8tgtg',
+  balance: '0',
+  totalReceived: '0',
+  totalSent: '0',
+  unconfirmedBalance: '600',
+  unconfirmedTxs: 1,
+  txs: 0,
+  txids: [
+    'a3b62cd4f4c56ba52139179db14bffd4ab22a2e077f3c62bd5cf0541bfcaf023'
+  ]
+}
+
+const mockNoSendTx = {
+  txid: 'a3b62cd4f4c56ba52139179db14bffd4ab22a2e077f3c62bd5cf0541bfcaf023',
+  hash: 'a3b62cd4f4c56ba52139179db14bffd4ab22a2e077f3c62bd5cf0541bfcaf023',
+  version: 2,
+  size: 226,
+  locktime: 0,
+  vin: [
+    {
+      txid: '681cc1d392975a7e78cbd490b8a940d7eb029c554f2cee332e3a7119d77fb189',
+      vout: 1,
+      scriptSig: {
+        asm: '30450221008a7c86ce3a9f5765573440143a00631bb5afa9a58b24674a7fa794bb11ffffc30220397dd4c672c3e0dbe0c4eb6390b5727c5fdc3a42cf3ae275ac13b44d27bb234f[ALL|FORKID] 02bc9fc26ae2bd9a9a14e9baeda4b4fdd95a00bcbf375732c647488b3ce82a2fd7',
+        hex: '4830450221008a7c86ce3a9f5765573440143a00631bb5afa9a58b24674a7fa794bb11ffffc30220397dd4c672c3e0dbe0c4eb6390b5727c5fdc3a42cf3ae275ac13b44d27bb234f412102bc9fc26ae2bd9a9a14e9baeda4b4fdd95a00bcbf375732c647488b3ce82a2fd7'
+      },
+      sequence: 4294967295
+    }
+  ],
+  vout: [
+    {
+      value: 0.000006,
+      n: 0,
+      scriptPubKey: {
+        asm: 'OP_DUP OP_HASH160 3c79ba54317c4be9cbfa5aaf357f74b97f3d9696 OP_EQUALVERIFY OP_CHECKSIG',
+        hex: '76a9143c79ba54317c4be9cbfa5aaf357f74b97f3d969688ac',
+        reqSigs: 1,
+        type: 'pubkeyhash',
+        addresses: [
+          'bitcoincash:qq78nwj5x97yh6wtlfd27dtlwjuh70vkjc59h8tgtg'
+        ]
+      }
+    },
+    {
+      value: 0.00003664,
+      n: 1,
+      scriptPubKey: {
+        asm: 'OP_DUP OP_HASH160 58502a73888e0a386fc69b44850af4b2a86ac9a6 OP_EQUALVERIFY OP_CHECKSIG',
+        hex: '76a91458502a73888e0a386fc69b44850af4b2a86ac9a688ac',
+        reqSigs: 1,
+        type: 'pubkeyhash',
+        addresses: [
+          'bitcoincash:qpv9q2nn3z8q5wr0c6d5fpg27je2s6kf5cavp4ney0'
+        ]
+      }
+    }
+  ],
+  hex: '020000000189b17fd719713a2e33ee2c4f559c02ebd740a9b890d4cb787e5a9792d3c11c68010000006b4830450221008a7c86ce3a9f5765573440143a00631bb5afa9a58b24674a7fa794bb11ffffc30220397dd4c672c3e0dbe0c4eb6390b5727c5fdc3a42cf3ae275ac13b44d27bb234f412102bc9fc26ae2bd9a9a14e9baeda4b4fdd95a00bcbf375732c647488b3ce82a2fd7ffffffff0258020000000000001976a9143c79ba54317c4be9cbfa5aaf357f74b97f3d969688ac500e0000000000001976a91458502a73888e0a386fc69b44850af4b2a86ac9a688ac00000000'
+}
+
+module.exports = {
+  mockBalance,
+  mockTxDetails,
+  mockNoTxHistory,
+  mockNoSendBalance,
+  mockNoSendTx
+}