transactions/deps - use broken out nonce-tracker module (#6555)

5 files changed, 74 insertions, 407 deletions

diff --git a/app/scripts/controllers/transactions/index.js b/app/scripts/controllers/transactions/index.js
index dd497a11e..1ae925835 100644
--- a/app/scripts/controllers/transactions/index.js
+++ b/app/scripts/controllers/transactions/index.js
@@ -17,7 +17,7 @@ const {
 const TransactionStateManager = require('./tx-state-manager')
 const TxGasUtil = require('./tx-gas-utils')
 const PendingTransactionTracker = require('./pending-tx-tracker')
-const NonceTracker = require('./nonce-tracker')
+const NonceTracker = require('nonce-tracker')
 const txUtils = require('./lib/util')
 const cleanErrorStack = require('../../lib/cleanErrorStack')
 const log = require('loglevel')
diff --git a/app/scripts/controllers/transactions/nonce-tracker.js b/app/scripts/controllers/transactions/nonce-tracker.js
deleted file mode 100644
index 421036368..000000000
--- a/app/scripts/controllers/transactions/nonce-tracker.js
+++ /dev/null
@@ -1,161 +0,0 @@
-const EthQuery = require('ethjs-query')
-const assert = require('assert')
-const Mutex = require('await-semaphore').Mutex
-/**
-  @param opts {Object}
-    @param {Object} opts.provider a ethereum provider
-    @param {Function} opts.getPendingTransactions a function that returns an array of txMeta
-    whosee status is `submitted`
-    @param {Function} opts.getConfirmedTransactions a function that returns an array of txMeta
-    whose status is `confirmed`
-  @class
-*/
-class NonceTracker {
-
-  constructor ({ provider, blockTracker, getPendingTransactions, getConfirmedTransactions }) {
-    this.provider = provider
-    this.blockTracker = blockTracker
-    this.ethQuery = new EthQuery(provider)
-    this.getPendingTransactions = getPendingTransactions
-    this.getConfirmedTransactions = getConfirmedTransactions
-    this.lockMap = {}
-  }
-
-  /**
-    @returns {Promise<Object>} with the key releaseLock (the gloabl mutex)
-  */
-  async getGlobalLock () {
-    const globalMutex = this._lookupMutex('global')
-    // await global mutex free
-    const releaseLock = await globalMutex.acquire()
-    return { releaseLock }
-  }
-
-  /**
-   * @typedef NonceDetails
-   * @property {number} highestLocallyConfirmed - A hex string of the highest nonce on a confirmed transaction.
-   * @property {number} nextNetworkNonce - The next nonce suggested by the eth_getTransactionCount method.
-   * @property {number} highestSuggested - The maximum between the other two, the number returned.
-   */
-
-  /**
-  this will return an object with the `nextNonce` `nonceDetails` of type NonceDetails, and the releaseLock
-  Note: releaseLock must be called after adding a signed tx to pending transactions (or discarding).
-
-  @param address {string} the hex string for the address whose nonce we are calculating
-  @returns {Promise<NonceDetails>}
-  */
-  async getNonceLock (address) {
-    // await global mutex free
-    await this._globalMutexFree()
-    // await lock free, then take lock
-    const releaseLock = await this._takeMutex(address)
-    try {
-      // evaluate multiple nextNonce strategies
-      const nonceDetails = {}
-      const networkNonceResult = await this._getNetworkNextNonce(address)
-      const highestLocallyConfirmed = this._getHighestLocallyConfirmed(address)
-      const nextNetworkNonce = networkNonceResult.nonce
-      const highestSuggested = Math.max(nextNetworkNonce, highestLocallyConfirmed)
-
-      const pendingTxs = this.getPendingTransactions(address)
-      const localNonceResult = this._getHighestContinuousFrom(pendingTxs, highestSuggested) || 0
-
-      nonceDetails.params = {
-        highestLocallyConfirmed,
-        highestSuggested,
-        nextNetworkNonce,
-      }
-      nonceDetails.local = localNonceResult
-      nonceDetails.network = networkNonceResult
-
-      const nextNonce = Math.max(networkNonceResult.nonce, localNonceResult.nonce)
-      assert(Number.isInteger(nextNonce), `nonce-tracker - nextNonce is not an integer - got: (${typeof nextNonce}) "${nextNonce}"`)
-
-      // return nonce and release cb
-      return { nextNonce, nonceDetails, releaseLock }
-    } catch (err) {
-      // release lock if we encounter an error
-      releaseLock()
-      throw err
-    }
-  }
-
-  async _globalMutexFree () {
-    const globalMutex = this._lookupMutex('global')
-    const releaseLock = await globalMutex.acquire()
-    releaseLock()
-  }
-
-  async _takeMutex (lockId) {
-    const mutex = this._lookupMutex(lockId)
-    const releaseLock = await mutex.acquire()
-    return releaseLock
-  }
-
-  _lookupMutex (lockId) {
-    let mutex = this.lockMap[lockId]
-    if (!mutex) {
-      mutex = new Mutex()
-      this.lockMap[lockId] = mutex
-    }
-    return mutex
-  }
-
-  async _getNetworkNextNonce (address) {
-    // calculate next nonce
-    // we need to make sure our base count
-    // and pending count are from the same block
-    const blockNumber = await this.blockTracker.getLatestBlock()
-    const baseCountBN = await this.ethQuery.getTransactionCount(address, blockNumber)
-    const baseCount = baseCountBN.toNumber()
-    assert(Number.isInteger(baseCount), `nonce-tracker - baseCount is not an integer - got: (${typeof baseCount}) "${baseCount}"`)
-    const nonceDetails = { blockNumber, baseCount }
-    return { name: 'network', nonce: baseCount, details: nonceDetails }
-  }
-
-  _getHighestLocallyConfirmed (address) {
-    const confirmedTransactions = this.getConfirmedTransactions(address)
-    const highest = this._getHighestNonce(confirmedTransactions)
-    return Number.isInteger(highest) ? highest + 1 : 0
-  }
-
-  _getHighestNonce (txList) {
-    const nonces = txList.map((txMeta) => {
-      const nonce = txMeta.txParams.nonce
-      assert(typeof nonce, 'string', 'nonces should be hex strings')
-      return parseInt(nonce, 16)
-    })
-    const highestNonce = Math.max.apply(null, nonces)
-    return highestNonce
-  }
-
-  /**
-    @typedef {object} highestContinuousFrom
-    @property {string} - name the name for how the nonce was calculated based on the data used
-    @property {number} - nonce the next suggested nonce
-    @property {object} - details the provided starting nonce that was used (for debugging)
-  */
-  /**
-    @param txList {array} - list of txMeta's
-    @param startPoint {number} - the highest known locally confirmed nonce
-    @returns {highestContinuousFrom}
-  */
-  _getHighestContinuousFrom (txList, startPoint) {
-    const nonces = txList.map((txMeta) => {
-      const nonce = txMeta.txParams.nonce
-      assert(typeof nonce, 'string', 'nonces should be hex strings')
-      return parseInt(nonce, 16)
-    })
-
-    let highest = startPoint
-    while (nonces.includes(highest)) {
-      highest++
-    }
-
-    return { name: 'local', nonce: highest, details: { startPoint, highest } }
-  }
-
-}
-
-module.exports = NonceTracker
diff --git a/package-lock.json b/package-lock.json
index 8844b21a5..526420356 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8854,7 +8854,7 @@
     },
     "engine.io-client": {
       "version": "3.2.1",
-      "resolved": "http://registry.npmjs.org/engine.io-client/-/engine.io-client-3.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.2.1.tgz",
       "integrity": "sha512-y5AbkytWeM4jQr7m/koQLc5AxpRKC1hEVUb/s1FUAWEJq5AzJJ4NLvzuKPuxtDi5Mq755WuDvZ6Iv2rXj4PTzw==",
       "dev": true,
       "requires": {
@@ -9473,7 +9473,7 @@
         },
         "inquirer": {
           "version": "0.12.0",
-          "resolved": "http://registry.npmjs.org/inquirer/-/inquirer-0.12.0.tgz",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-0.12.0.tgz",
           "integrity": "sha1-HvK/1jUE3wvHV4X/+MLEHfEvB34=",
           "dev": true,
           "requires": {
@@ -9566,7 +9566,7 @@
         },
         "table": {
           "version": "3.8.3",
-          "resolved": "http://registry.npmjs.org/table/-/table-3.8.3.tgz",
+          "resolved": "https://registry.npmjs.org/table/-/table-3.8.3.tgz",
           "integrity": "sha1-K7xULw/amGGnVdOUf+/Ys/UThV8=",
           "dev": true,
           "requires": {
@@ -10157,7 +10157,7 @@
       "dependencies": {
         "babelify": {
           "version": "7.3.0",
-          "resolved": "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
           "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
           "dev": true,
           "requires": {
@@ -15815,6 +15815,23 @@
               "requires": {
                 "bn.js": "^4.11.8",
                 "ethereumjs-util": "^6.0.0"
+              },
+              "dependencies": {
+                "ethereumjs-util": {
+                  "version": "6.1.0",
+                  "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
+                  "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
+                  "dev": true,
+                  "requires": {
+                    "bn.js": "^4.11.0",
+                    "create-hash": "^1.1.2",
+                    "ethjs-util": "0.1.6",
+                    "keccak": "^1.0.2",
+                    "rlp": "^2.0.0",
+                    "safe-buffer": "^5.1.1",
+                    "secp256k1": "^3.0.1"
+                  }
+                }
               }
             },
             "ethereumjs-block": {
@@ -19798,6 +19815,23 @@
               "requires": {
                 "bn.js": "^4.11.8",
                 "ethereumjs-util": "^6.0.0"
+              },
+              "dependencies": {
+                "ethereumjs-util": {
+                  "version": "6.1.0",
+                  "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
+                  "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
+                  "dev": true,
+                  "requires": {
+                    "bn.js": "^4.11.0",
+                    "create-hash": "^1.1.2",
+                    "ethjs-util": "0.1.6",
+                    "keccak": "^1.0.2",
+                    "rlp": "^2.0.0",
+                    "safe-buffer": "^5.1.1",
+                    "secp256k1": "^3.0.1"
+                  }
+                }
               }
             },
             "ethereumjs-block": {
@@ -20952,7 +20986,7 @@
     },
     "got": {
       "version": "5.6.0",
-      "resolved": "http://registry.npmjs.org/got/-/got-5.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/got/-/got-5.6.0.tgz",
       "integrity": "sha1-ux1+4WO3gIK7yOuDbz85UATqb78=",
       "dev": true,
       "requires": {
@@ -27909,6 +27943,37 @@
         "underscore": "~1.4.4"
       }
     },
+    "nonce-tracker": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/nonce-tracker/-/nonce-tracker-1.0.0.tgz",
+      "integrity": "sha512-hxKokxgLvOZx9A5qPQKwL34G1/YwMC5xJWZHFUKfvwxypkn2nP0KVJjbcoXwY6pXsRRa11KdFEPW61N4YCGnWQ==",
+      "requires": {
+        "assert": "^1.4.1",
+        "await-semaphore": "^0.1.3",
+        "ethjs-query": "^0.3.8"
+      },
+      "dependencies": {
+        "ethjs-query": {
+          "version": "0.3.8",
+          "resolved": "https://registry.npmjs.org/ethjs-query/-/ethjs-query-0.3.8.tgz",
+          "integrity": "sha512-/J5JydqrOzU8O7VBOwZKUWXxHDGr46VqNjBCJgBVNNda+tv7Xc8Y2uJc6aMHHVbeN3YOQ7YRElgIc0q1CI02lQ==",
+          "requires": {
+            "babel-runtime": "^6.26.0",
+            "ethjs-format": "0.2.7",
+            "ethjs-rpc": "0.2.0",
+            "promise-to-callback": "^1.0.0"
+          }
+        },
+        "ethjs-rpc": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/ethjs-rpc/-/ethjs-rpc-0.2.0.tgz",
+          "integrity": "sha512-RINulkNZTKnj4R/cjYYtYMnFFaBcVALzbtEJEONrrka8IeoarNB9Jbzn+2rT00Cv8y/CxAI+GgY1d0/i2iQeOg==",
+          "requires": {
+            "promise-to-callback": "^1.0.0"
+          }
+        }
+      }
+    },
     "nopt": {
       "version": "3.0.6",
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
@@ -30423,7 +30488,7 @@
     },
     "po2json": {
       "version": "0.4.5",
-      "resolved": "http://registry.npmjs.org/po2json/-/po2json-0.4.5.tgz",
+      "resolved": "https://registry.npmjs.org/po2json/-/po2json-0.4.5.tgz",
       "integrity": "sha1-R7spUtoy1Yob4vJWpZjuvAt0URg=",
       "dev": true,
       "requires": {
@@ -35856,7 +35921,7 @@
     },
     "socket.io-parser": {
       "version": "3.2.0",
-      "resolved": "http://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
       "integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
       "dev": true,
       "requires": {
diff --git a/package.json b/package.json
index 0ae402600..89e0388d4 100644
--- a/package.json
+++ b/package.json
@@ -133,6 +133,7 @@
     "mkdirp": "^0.5.1",
     "multihashes": "^0.4.12",
     "multiplex": "^6.7.0",
+    "nonce-tracker": "^1.0.0",
     "number-to-bn": "^1.7.0",
     "obj-multiplex": "^1.0.0",
     "obs-store": "^3.0.2",
diff --git a/test/unit/app/controllers/transactions/nonce-tracker-test.js b/test/unit/app/controllers/transactions/nonce-tracker-test.js
deleted file mode 100644
index 51ac390e9..000000000
--- a/test/unit/app/controllers/transactions/nonce-tracker-test.js
+++ /dev/null
@@ -1,238 +0,0 @@
-const assert = require('assert')
-const NonceTracker = require('../../../../../app/scripts/controllers/transactions/nonce-tracker')
-const MockTxGen = require('../../../../lib/mock-tx-gen')
-const providerResultStub = {}
-
-describe('Nonce Tracker', function () {
-  let nonceTracker, pendingTxs, confirmedTxs
-
-  describe('#getNonceLock', function () {
-
-    describe('with 3 confirmed and 1 pending', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        confirmedTxs = txGen.generate({ status: 'confirmed' }, { count: 3 })
-        pendingTxs = txGen.generate({ status: 'submitted' }, { count: 1 })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, confirmedTxs, '0x1')
-      })
-
-      it('should return 4', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '4', `nonce should be 4 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-
-      it('should use localNonce if network returns a nonce lower then a confirmed tx in state', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '4', 'nonce should be 4')
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('sentry issue 476304902', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        pendingTxs = txGen.generate({ status: 'submitted' }, {
-          fromNonce: 3,
-          count: 29,
-        })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x3')
-      })
-
-      it('should return 9', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '32', `nonce should be 32 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('issue 3670', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        pendingTxs = txGen.generate({ status: 'submitted' }, {
-          fromNonce: 6,
-          count: 3,
-        })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x6')
-      })
-
-      it('should return 9', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '9', `nonce should be 9 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('with no previous txs', function () {
-      beforeEach(function () {
-        nonceTracker = generateNonceTrackerWith([], [])
-      })
-
-      it('should return 0', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '0', `nonce should be 0 returned ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('with multiple previous txs with same nonce', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        confirmedTxs = txGen.generate({ status: 'confirmed' }, { count: 1 })
-        pendingTxs = txGen.generate({
-          status: 'submitted',
-          txParams: { nonce: '0x01' },
-        }, { count: 5 })
-
-        nonceTracker = generateNonceTrackerWith(pendingTxs, confirmedTxs, '0x0')
-      })
-
-      it('should return nonce after those', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '2', `nonce should be 2 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('when local confirmed count is higher than network nonce', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        confirmedTxs = txGen.generate({ status: 'confirmed' }, { count: 3 })
-        nonceTracker = generateNonceTrackerWith([], confirmedTxs, '0x1')
-      })
-
-      it('should return nonce after those', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '3', `nonce should be 3 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('when local pending count is higher than other metrics', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        pendingTxs = txGen.generate({ status: 'submitted' }, { count: 2 })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [])
-      })
-
-      it('should return nonce after those', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '2', `nonce should be 2 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('when provider nonce is higher than other metrics', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        pendingTxs = txGen.generate({ status: 'submitted' }, { count: 2 })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x05')
-      })
-
-      it('should return nonce after those', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '5', `nonce should be 5 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('when there are some pending nonces below the remote one and some over.', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        pendingTxs = txGen.generate({ status: 'submitted' }, { count: 5 })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x03')
-      })
-
-      it('should return nonce after those', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '5', `nonce should be 5 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('when there are pending nonces non sequentially over the network nonce.', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        txGen.generate({ status: 'submitted' }, { count: 5 })
-        // 5 over that number
-        pendingTxs = txGen.generate({ status: 'submitted' }, { count: 5 })
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x00')
-      })
-
-      it('should return nonce after network nonce', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '0', `nonce should be 0 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('When all three return different values', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        confirmedTxs = txGen.generate({ status: 'confirmed' }, { count: 10 })
-        pendingTxs = txGen.generate({
-          status: 'submitted',
-          nonce: 100,
-        }, { count: 1 })
-                                         // 0x32 is 50 in hex:
-        nonceTracker = generateNonceTrackerWith(pendingTxs, confirmedTxs, '0x32')
-      })
-
-      it('should return nonce after network nonce', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '50', `nonce should be 50 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-
-    describe('Faq issue 67', function () {
-      beforeEach(function () {
-        const txGen = new MockTxGen()
-        confirmedTxs = txGen.generate({ status: 'confirmed' }, { count: 64 })
-        pendingTxs = txGen.generate({
-          status: 'submitted',
-        }, { count: 10 })
-                                         // 0x40 is 64 in hex:
-        nonceTracker = generateNonceTrackerWith(pendingTxs, [], '0x40')
-      })
-
-      it('should return nonce after network nonce', async function () {
-        this.timeout(15000)
-        const nonceLock = await nonceTracker.getNonceLock('0x7d3517b0d011698406d6e0aed8453f0be2697926')
-        assert.equal(nonceLock.nextNonce, '74', `nonce should be 74 got ${nonceLock.nextNonce}`)
-        await nonceLock.releaseLock()
-      })
-    })
-  })
-})
-
-function generateNonceTrackerWith (pending, confirmed, providerStub = '0x0') {
-  const getPendingTransactions = () => pending
-  const getConfirmedTransactions = () => confirmed
-  providerResultStub.result = providerStub
-  const provider = {
-    sendAsync: (_, cb) => { cb(undefined, providerResultStub) },
-  }
-  const blockTracker = {
-    getCurrentBlock: () => '0x11b568',
-    getLatestBlock: async () => '0x11b568',
-  }
-  return new NonceTracker({
-    provider,
-    blockTracker,
-    getPendingTransactions,
-    getConfirmedTransactions,
-  })
-}