feature: integrate gaba/CurrencyRateController (#6570)

7 files changed, 7829 insertions, 8102 deletions

diff --git a/app/scripts/controllers/currency.js b/app/scripts/controllers/currency.js
deleted file mode 100644
index fce65fd9c..000000000
--- a/app/scripts/controllers/currency.js
+++ /dev/null
@@ -1,205 +0,0 @@
-const ObservableStore = require('obs-store')
-const extend = require('xtend')
-const log = require('loglevel')
-
-// every ten minutes
-const POLLING_INTERVAL = 600000
-
-class CurrencyController {
-
-  /**
-   * Controller responsible for managing data associated with the currently selected currency.
-   *
-   * @typedef {Object} CurrencyController
-   * @param {object} opts Overrides the defaults for the initial state of this.store
-   * @property {array} opts.initState  initializes the the state of the CurrencyController. Can contain an
-   * currentCurrency, conversionRate and conversionDate properties
-   * @property {string} currentCurrency A 2-4 character shorthand that describes a specific currency, currently
-   * selected by the user
-   * @property {number} conversionRate The conversion rate from ETH to the selected currency.
-   * @property {string} conversionDate The date at which the conversion rate was set. Expressed in in milliseconds
-   * since midnight of January 1, 1970
-   * @property {number} conversionInterval The id of the interval created by the scheduleConversionInterval method.
-   * Used to clear an existing interval on subsequent calls of that method.
-   * @property {string} nativeCurrency The ticker/symbol of the native chain currency
-   *
-   */
-  constructor (opts = {}) {
-    const initState = extend({
-      currentCurrency: 'usd',
-      conversionRate: 0,
-      conversionDate: 'N/A',
-      nativeCurrency: 'ETH',
-    }, opts.initState)
-    this.store = new ObservableStore(initState)
-  }
-
-  //
-  // PUBLIC METHODS
-  //
-
-  /**
-   * A getter for the nativeCurrency property
-   *
-   * @returns {string} A 2-4 character shorthand that describes the specific currency
-   *
-   */
-  getNativeCurrency () {
-    return this.store.getState().nativeCurrency
-  }
-
-  /**
-   * A setter for the nativeCurrency property
-   *
-   * @param {string} nativeCurrency The new currency to set as the nativeCurrency in the store
-   *
-   */
-  setNativeCurrency (nativeCurrency) {
-    this.store.updateState({
-      nativeCurrency,
-      ticker: nativeCurrency,
-    })
-  }
-
-  /**
-   * A getter for the currentCurrency property
-   *
-   * @returns {string} A 2-4 character shorthand that describes a specific currency, currently selected by the user
-   *
-   */
-  getCurrentCurrency () {
-    return this.store.getState().currentCurrency
-  }
-
-  /**
-   * A setter for the currentCurrency property
-   *
-   * @param {string} currentCurrency The new currency to set as the currentCurrency in the store
-   *
-   */
-  setCurrentCurrency (currentCurrency) {
-    this.store.updateState({ currentCurrency })
-  }
-
-  /**
-   * A getter for the conversionRate property
-   *
-   * @returns {string} The conversion rate from ETH to the selected currency.
-   *
-   */
-  getConversionRate () {
-    return this.store.getState().conversionRate
-  }
-
-  /**
-   * A setter for the conversionRate property
-   *
-   * @param {number} conversionRate The new rate to set as the conversionRate in the store
-   *
-   */
-  setConversionRate (conversionRate) {
-    this.store.updateState({ conversionRate })
-  }
-
-  /**
-   * A getter for the conversionDate property
-   *
-   * @returns {string} The date at which the conversion rate was set. Expressed in milliseconds since midnight of
-   * January 1, 1970
-   *
-   */
-  getConversionDate () {
-    return this.store.getState().conversionDate
-  }
-
-  /**
-   * A setter for the conversionDate property
-   *
-   * @param {number} conversionDate The date, expressed in milliseconds since midnight of January 1, 1970, that the
-   * conversionRate was set
-   *
-   */
-  setConversionDate (conversionDate) {
-    this.store.updateState({ conversionDate })
-  }
-
-  /**
-   * Updates the conversionRate and conversionDate properties associated with the currentCurrency. Updated info is
-   * fetched from an external API
-   *
-   */
-  async updateConversionRate () {
-    let currentCurrency, nativeCurrency
-    try {
-      currentCurrency = this.getCurrentCurrency()
-      nativeCurrency = this.getNativeCurrency()
-      // select api
-      let apiUrl
-      if (nativeCurrency === 'ETH') {
-        // ETH
-        apiUrl = `https://api.infura.io/v1/ticker/eth${currentCurrency.toLowerCase()}`
-      } else {
-       // ETC
-        apiUrl = `https://min-api.cryptocompare.com/data/price?fsym=${nativeCurrency.toUpperCase()}&tsyms=${currentCurrency.toUpperCase()}`
-      }
-      // attempt request
-      let response
-      try {
-        response = await fetch(apiUrl)
-      } catch (err) {
-        log.error(new Error(`CurrencyController - Failed to request currency from Infura:\n${err.stack}`))
-        return
-      }
-      // parse response
-      let rawResponse
-      let parsedResponse
-      try {
-        rawResponse = await response.text()
-        parsedResponse = JSON.parse(rawResponse)
-      } catch (err) {
-        log.error(new Error(`CurrencyController - Failed to parse response "${rawResponse}"`))
-        return
-      }
-      // set conversion rate
-      if (nativeCurrency === 'ETH') {
-        // ETH
-        this.setConversionRate(Number(parsedResponse.bid))
-        this.setConversionDate(Number(parsedResponse.timestamp))
-      } else {
-        // ETC
-        if (parsedResponse[currentCurrency.toUpperCase()]) {
-          this.setConversionRate(Number(parsedResponse[currentCurrency.toUpperCase()]))
-          this.setConversionDate(parseInt((new Date()).getTime() / 1000))
-        } else {
-          this.setConversionRate(0)
-          this.setConversionDate('N/A')
-        }
-      }
-    } catch (err) {
-      // reset current conversion rate
-      log.warn(`MetaMask - Failed to query currency conversion:`, nativeCurrency, currentCurrency, err)
-      this.setConversionRate(0)
-      this.setConversionDate('N/A')
-      // throw error
-      log.error(new Error(`CurrencyController - Failed to query rate for currency "${currentCurrency}":\n${err.stack}`))
-      return
-    }
-  }
-
-  /**
-   * Creates a new poll, using setInterval, to periodically call updateConversionRate. The id of the interval is
-   * stored at the controller's conversionInterval property. If it is called and such an id already exists, the
-   * previous interval is clear and a new one is created.
-   *
-   */
-  scheduleConversionInterval () {
-    if (this.conversionInterval) {
-      clearInterval(this.conversionInterval)
-    }
-    this.conversionInterval = setInterval(() => {
-      this.updateConversionRate()
-    }, POLLING_INTERVAL)
-  }
-}
-
-module.exports = CurrencyController
diff --git a/app/scripts/controllers/token-rates.js b/app/scripts/controllers/token-rates.js
index 6b6265dba..9b86a9ebf 100644
--- a/app/scripts/controllers/token-rates.js
+++ b/app/scripts/controllers/token-rates.js
@@ -30,7 +30,7 @@ class TokenRatesController {
   async updateExchangeRates () {
     if (!this.isActive) { return }
     const contractExchangeRates = {}
-    const nativeCurrency = this.currency ? this.currency.getState().nativeCurrency.toLowerCase() : 'eth'
+    const nativeCurrency = this.currency ? this.currency.state.nativeCurrency.toLowerCase() : 'eth'
     const pairs = this._tokens.map(token => token.address).join(',')
     const query = `contract_addresses=${pairs}&vs_currencies=${nativeCurrency}`
     if (this._tokens.length > 0) {
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 242028c92..0b6f5fcb5 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -26,7 +26,6 @@ const KeyringController = require('eth-keyring-controller')
 const NetworkController = require('./controllers/network')
 const PreferencesController = require('./controllers/preferences')
 const AppStateController = require('./controllers/app-state')
-const CurrencyController = require('./controllers/currency')
 const InfuraController = require('./controllers/infura')
 const CachedBalancesController = require('./controllers/cached-balances')
 const RecentBlocksController = require('./controllers/recent-blocks')
@@ -56,6 +55,7 @@ const ethUtil = require('ethereumjs-util')
 const sigUtil = require('eth-sig-util')
 const {
   AddressBookController,
+  CurrencyRateController,
   ShapeShiftController,
   PhishingController,
 } = require('gaba')
@@ -109,11 +109,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
 
     // currency controller
-    this.currencyController = new CurrencyController({
-      initState: initState.CurrencyController,
-    })
-    this.currencyController.updateConversionRate()
-    this.currencyController.scheduleConversionInterval()
+    this.currencyRateController = new CurrencyRateController(undefined, initState.CurrencyController)
 
     // infura controller
     this.infuraController = new InfuraController({
@@ -130,7 +126,7 @@ module.exports = class MetamaskController extends EventEmitter {
 
     // token exchange rate tracker
     this.tokenRatesController = new TokenRatesController({
-      currency: this.currencyController.store,
+      currency: this.currencyRateController,
       preferences: this.preferencesController.store,
     })
 
@@ -232,8 +228,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
     this.networkController.on('networkDidChange', () => {
       this.balancesController.updateAllBalances()
-      const currentCurrency = this.currencyController.getCurrentCurrency()
-      this.setCurrentCurrency(currentCurrency, function () {})
+      this.setCurrentCurrency(this.currencyRateController.state.currentCurrency, function () {})
     })
     this.balancesController.updateAllBalances()
 
@@ -262,7 +257,7 @@ module.exports = class MetamaskController extends EventEmitter {
       KeyringController: this.keyringController.store,
       PreferencesController: this.preferencesController.store,
       AddressBookController: this.addressBookController,
-      CurrencyController: this.currencyController.store,
+      CurrencyController: this.currencyRateController,
       ShapeShiftController: this.shapeshiftController,
       NetworkController: this.networkController.store,
       InfuraController: this.infuraController.store,
@@ -284,7 +279,7 @@ module.exports = class MetamaskController extends EventEmitter {
       PreferencesController: this.preferencesController.store,
       RecentBlocksController: this.recentBlocksController.store,
       AddressBookController: this.addressBookController,
-      CurrencyController: this.currencyController.store,
+      CurrencyController: this.currencyRateController,
       ShapeshiftController: this.shapeshiftController,
       InfuraController: this.infuraController.store,
       ProviderApprovalController: this.providerApprovalController.store,
@@ -1596,16 +1591,13 @@ module.exports = class MetamaskController extends EventEmitter {
   setCurrentCurrency (currencyCode, cb) {
     const { ticker } = this.networkController.getNetworkConfig()
     try {
-      this.currencyController.setNativeCurrency(ticker)
-      this.currencyController.setCurrentCurrency(currencyCode)
-      this.currencyController.updateConversionRate()
-      const data = {
-        nativeCurrency: ticker || 'ETH',
-        conversionRate: this.currencyController.getConversionRate(),
-        currentCurrency: this.currencyController.getCurrentCurrency(),
-        conversionDate: this.currencyController.getConversionDate(),
+      const currencyState = {
+        nativeCurrency: ticker,
+        currentCurrency: currencyCode,
       }
-      cb(null, data)
+      this.currencyRateController.update(currencyState)
+      this.currencyRateController.configure(currencyState)
+      cb(null, this.currencyRateController.state)
     } catch (err) {
       cb(err)
     }
diff --git a/package-lock.json b/package-lock.json
index 5ea3a58a2..e6cdb5cff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,9 @@
       "integrity": "sha512-yd7CkUughvHQoEahQqcMdrZw6o/6PwUxiRkfZuVDVHCDe77mysD/suoNyk5mK6phTnRW1kyIbPHyCJgxw++LXg==",
       "dev": true,
       "requires": {
-        "chalk": "2.3.0",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.0"
       },
       "dependencies": {
         "ansi-styles": {
@@ -21,7 +21,7 @@
           "integrity": "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
           "dev": true,
           "requires": {
-            "color-convert": "1.9.1"
+            "color-convert": "^1.9.0"
           }
         },
         "chalk": {
@@ -30,9 +30,9 @@
           "integrity": "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
           "dev": true,
           "requires": {
-            "ansi-styles": "3.2.0",
-            "escape-string-regexp": "1.0.5",
-            "supports-color": "4.5.0"
+            "ansi-styles": "^3.1.0",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^4.0.0"
           }
         },
         "supports-color": {
@@ -41,7 +41,7 @@
           "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
           "dev": true,
           "requires": {
-            "has-flag": "2.0.0"
+            "has-flag": "^2.0.0"
           }
         }
       }
@@ -53,10 +53,10 @@
       "dev": true,
       "requires": {
         "@babel/types": "7.0.0-beta.49",
-        "jsesc": "2.5.1",
-        "lodash": "4.17.10",
-        "source-map": "0.5.7",
-        "trim-right": "1.0.1"
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.5",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
       },
       "dependencies": {
         "@babel/types": {
@@ -65,9 +65,9 @@
           "integrity": "sha1-t+Oxw/TUz+Eb34yJ8e/V4WF7h6Y=",
           "dev": true,
           "requires": {
-            "esutils": "2.0.2",
-            "lodash": "4.17.10",
-            "to-fast-properties": "2.0.0"
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.5",
+            "to-fast-properties": "^2.0.0"
           }
         },
         "jsesc": {
@@ -126,9 +126,9 @@
           "integrity": "sha1-t+Oxw/TUz+Eb34yJ8e/V4WF7h6Y=",
           "dev": true,
           "requires": {
-            "esutils": "2.0.2",
-            "lodash": "4.17.10",
-            "to-fast-properties": "2.0.0"
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.5",
+            "to-fast-properties": "^2.0.0"
           }
         },
         "to-fast-properties": {
@@ -145,9 +145,9 @@
       "integrity": "sha1-lr3GtD4TSCASumaRsQGEktOWIsw=",
       "dev": true,
       "requires": {
-        "chalk": "2.4.1",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.0"
       },
       "dependencies": {
         "ansi-styles": {
@@ -156,7 +156,7 @@
           "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "dev": true,
           "requires": {
-            "color-convert": "1.9.1"
+            "color-convert": "^1.9.0"
           }
         },
         "chalk": {
@@ -165,9 +165,9 @@
           "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
           "dev": true,
           "requires": {
-            "ansi-styles": "3.2.1",
-            "escape-string-regexp": "1.0.5",
-            "supports-color": "5.4.0"
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
           }
         },
         "has-flag": {
@@ -182,7 +182,7 @@
           "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
           "dev": true,
           "requires": {
-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
           }
         }
       }
@@ -199,8 +199,8 @@
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       "dev": true,
       "requires": {
-        "core-js": "2.5.7",
-        "regenerator-runtime": "0.11.1"
+        "core-js": "^2.5.7",
+        "regenerator-runtime": "^0.11.1"
       },
       "dependencies": {
         "core-js": {
@@ -217,13 +217,13 @@
       "integrity": "sha512-f/+CRmaCe7rVEvcvPvxeA8j5aJhHC3aJie7YuqcMDhUOuyWLA7J/aNrTaHIzoWPEhpHA54mec4Mm8fv8KBlv3g==",
       "dev": true,
       "requires": {
-        "core-js": "2.5.7",
-        "find-cache-dir": "1.0.0",
-        "home-or-tmp": "3.0.0",
-        "lodash": "4.17.10",
-        "mkdirp": "0.5.1",
-        "pirates": "4.0.0",
-        "source-map-support": "0.5.9"
+        "core-js": "^2.5.7",
+        "find-cache-dir": "^1.0.0",
+        "home-or-tmp": "^3.0.0",
+        "lodash": "^4.17.10",
+        "mkdirp": "^0.5.1",
+        "pirates": "^4.0.0",
+        "source-map-support": "^0.5.9"
       },
       "dependencies": {
         "buffer-from": {
@@ -250,9 +250,9 @@
           "integrity": "sha1-kojj6ePMN0hxfTnq3hfPcfww7m8=",
           "dev": true,
           "requires": {
-            "commondir": "1.0.1",
-            "make-dir": "1.2.0",
-            "pkg-dir": "2.0.0"
+            "commondir": "^1.0.1",
+            "make-dir": "^1.0.0",
+            "pkg-dir": "^2.0.0"
           }
         },
         "find-up": {
@@ -261,7 +261,7 @@
           "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
           }
         },
         "home-or-tmp": {
@@ -276,7 +276,7 @@
           "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
           "dev": true,
           "requires": {
-            "find-up": "2.1.0"
+            "find-up": "^2.1.0"
           }
         },
         "source-map": {
@@ -291,8 +291,8 @@
           "integrity": "sha512-gR6Rw4MvUlYy83vP0vxoVNzM6t8MUXqNuRsuBmBHQDu1Fh6X015FrLdgoDKcNdkwGubozq0P4N0Q37UyFVr1EA==",
           "dev": true,
           "requires": {
-            "buffer-from": "1.1.1",
-            "source-map": "0.6.1"
+            "buffer-from": "^1.0.0",
+            "source-map": "^0.6.0"
           }
         }
       }
@@ -302,8 +302,8 @@
       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0-beta.47.tgz",
       "integrity": "sha512-3IaakAC5B4bHJ0aCUKVw0pt+GruavdgWDFbf7TfKh7ZJ8yQuUp7af7MNwf3e+jH8776cjqYmMO1JNDDAE9WfrA==",
       "requires": {
-        "core-js": "2.5.3",
-        "regenerator-runtime": "0.11.1"
+        "core-js": "^2.5.3",
+        "regenerator-runtime": "^0.11.1"
       }
     },
     "@babel/template": {
@@ -315,7 +315,7 @@
         "@babel/code-frame": "7.0.0-beta.31",
         "@babel/types": "7.0.0-beta.31",
         "babylon": "7.0.0-beta.31",
-        "lodash": "4.17.10"
+        "lodash": "^4.2.0"
       },
       "dependencies": {
         "babylon": {
@@ -336,10 +336,10 @@
         "@babel/helper-function-name": "7.0.0-beta.31",
         "@babel/types": "7.0.0-beta.31",
         "babylon": "7.0.0-beta.31",
-        "debug": "3.1.0",
-        "globals": "10.4.0",
-        "invariant": "2.2.2",
-        "lodash": "4.17.10"
+        "debug": "^3.0.1",
+        "globals": "^10.0.0",
+        "invariant": "^2.2.0",
+        "lodash": "^4.2.0"
       },
       "dependencies": {
         "babylon": {
@@ -371,9 +371,9 @@
       "integrity": "sha512-exAHB+NeFGxkfQ5dSUD03xl3zYGneeSk2Mw2ldTt/nTvYxuDiuSp3DlxgUBgzbdTFG4fbwPk0WtKWOoTXCmNGg==",
       "dev": true,
       "requires": {
-        "esutils": "2.0.2",
-        "lodash": "4.17.10",
-        "to-fast-properties": "2.0.0"
+        "esutils": "^2.0.2",
+        "lodash": "^4.2.0",
+        "to-fast-properties": "^2.0.0"
       },
       "dependencies": {
         "to-fast-properties": {
@@ -390,11 +390,11 @@
       "integrity": "sha1-z6I7xYQPkQTOMqZedNt+epdLvuE=",
       "dev": true,
       "requires": {
-        "acorn": "5.3.0",
-        "css": "2.2.3",
-        "normalize-path": "2.1.1",
-        "source-map": "0.5.7",
-        "through2": "2.0.3"
+        "acorn": "^5.0.3",
+        "css": "^2.2.1",
+        "normalize-path": "^2.1.1",
+        "source-map": "^0.5.6",
+        "through2": "^2.0.3"
       },
       "dependencies": {
         "acorn": {
@@ -417,8 +417,8 @@
       "integrity": "sha1-iQrnxdjId/bThIYCFazp1+yUW9o=",
       "dev": true,
       "requires": {
-        "normalize-path": "2.1.1",
-        "through2": "2.0.3"
+        "normalize-path": "^2.0.1",
+        "through2": "^2.0.3"
       }
     },
     "@material-ui/core": {
@@ -426,33 +426,33 @@
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@@ -654,15 +654,15 @@
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@@ -778,7 +778,7 @@
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@@ -794,10 +794,10 @@
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@@ -913,36 +913,36 @@
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@@ -966,7 +966,7 @@
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@@ -1042,7 +1042,7 @@
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@@ -1067,9 +1067,9 @@
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@@ -1078,8 +1078,8 @@
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@@ -1089,18 +1089,18 @@
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@@ -1154,7 +1154,7 @@
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@@ -1169,8 +1169,8 @@
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@@ -1189,7 +1189,7 @@
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@@ -1209,28 +1209,28 @@
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@@ -1245,7 +1245,7 @@
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@@ -1262,19 +1262,19 @@
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@@ -1283,7 +1283,7 @@
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-        "immutable": "3.8.2"
+        "babel-runtime": "^6.11.6",
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@@ -1332,37 +1332,37 @@
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-        "webpack": "3.11.0",
-        "webpack-hot-middleware": "2.22.1"
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+        "glamorous": "^4.12.1",
+        "global": "^4.3.2",
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+        "webpack": "^3.11.0",
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@@ -1377,10 +1377,10 @@
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-            "uri-js": "3.0.2"
+            "fast-deep-equal": "^1.0.0",
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@@ -1401,9 +1401,9 @@
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@@ -1424,13 +1424,13 @@
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+            "signal-exit": "^3.0.0",
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@@ -1439,9 +1439,9 @@
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-            "pkg-dir": "2.0.0"
+            "commondir": "^1.0.1",
+            "make-dir": "^1.0.0",
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@@ -1450,7 +1450,7 @@
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           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
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@@ -1465,10 +1465,10 @@
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-            "parse-json": "2.2.0",
-            "pify": "2.3.0",
-            "strip-bom": "3.0.0"
+            "graceful-fs": "^4.1.2",
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+            "pify": "^2.0.0",
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@@ -1477,9 +1477,9 @@
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-            "emojis-list": "2.1.0",
-            "json5": "0.5.1"
+            "big.js": "^3.1.3",
+            "emojis-list": "^2.0.0",
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@@ -1488,9 +1488,9 @@
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-            "lcid": "1.0.0",
-            "mem": "1.1.0"
+            "execa": "^0.7.0",
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@@ -1499,7 +1499,7 @@
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+            "pify": "^2.0.0"
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@@ -1514,7 +1514,7 @@
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+            "find-up": "^2.1.0"
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@@ -1523,9 +1523,9 @@
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-            "normalize-package-data": "2.4.0",
-            "path-type": "2.0.0"
+            "load-json-file": "^2.0.0",
+            "normalize-package-data": "^2.3.2",
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@@ -1534,8 +1534,8 @@
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-            "read-pkg": "2.0.0"
+            "find-up": "^2.0.0",
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@@ -2321,7 +2322,7 @@
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@@ -2436,7 +2437,7 @@
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@@ -2445,7 +2446,7 @@
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@@ -2474,7 +2475,7 @@
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@@ -2488,7 +2489,7 @@
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@@ -2511,7 +2512,7 @@
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-                "sax": "1.2.4"
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@@ -2545,16 +2546,16 @@
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-                "semver": "5.5.0",
-                "tar": "4.4.1"
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@@ -2563,8 +2564,8 @@
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-                "osenv": "0.1.5"
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@@ -2579,8 +2580,8 @@
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@@ -2611,7 +2612,7 @@
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@@ -2632,8 +2633,8 @@
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@@ -2751,7 +2752,7 @@
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@@ -2766,13 +2767,13 @@
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-            "through": "2.3.8"
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-            "esprima": "4.0.1"
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-            "mimic-fn": "1.1.0",
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@@ -2960,7 +2961,7 @@
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+            "p-limit": "^2.0.0"
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-            "gauge": "2.7.4",
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-        "mkdirp": "0.5.1",
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       "dev": true,
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-        "eth-query": "2.1.2",
-        "eth-sig-util": "2.2.0",
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+        "eth-method-registry": "1.1.0",
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-        "single-call-balance-checker-abi": "1.0.0",
-        "uuid": "3.3.2",
-        "web3": "0.20.7",
+        "ethjs-query": "^0.3.8",
+        "human-standard-collectible-abi": "^1.0.2",
+        "human-standard-token-abi": "^2.0.0",
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+        "percentile": "^1.2.1",
+        "single-call-balance-checker-abi": "^1.0.0",
+        "uuid": "^3.3.2",
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@@ -14270,16 +14282,18 @@
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-            "object-assign": "4.1.1"
+            "babel-core": "^6.0.14",
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+          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git",
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         },
         "eth-contract-metadata": {
           "version": "github:MetaMask/eth-contract-metadata#faa4f56fb17b3ae8579df68708be59d617732f31",
+          "from": "github:MetaMask/eth-contract-metadata#faa4f56fb17b3ae8579df68708be59d617732f31",
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-            "ethereumjs-wallet": "0.6.0",
-            "events": "1.1.1",
-            "xtend": "4.0.1"
+            "bip39": "^2.2.0",
+            "eth-sig-util": "^2.0.1",
+            "ethereumjs-abi": "^0.6.5",
+            "ethereumjs-util": "^5.1.1",
+            "ethereumjs-wallet": "^0.6.0",
+            "events": "^1.1.1",
+            "xtend": "^4.0.1"
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@@ -14303,16 +14317,16 @@
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-            "xmlhttprequest": "1.8.0"
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+            "utf8": "^2.1.1",
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+            "esutils": "^2.0.2",
+            "lodash": "^4.17.4",
+            "to-fast-properties": "^1.0.3"
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@@ -15480,8 +15495,8 @@
           "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
           "dev": true,
           "requires": {
-            "babel-core": "6.26.3",
-            "object-assign": "4.1.1"
+            "babel-core": "^6.0.14",
+            "object-assign": "^4.0.0"
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@@ -15496,7 +15511,7 @@
           "integrity": "sha1-9hbtqdPktmuMp/ynn2lXIsX44m8=",
           "dev": true,
           "requires": {
-            "precond": "0.2.3"
+            "precond": "0.2"
           }
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@@ -15512,7 +15527,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safe-buffer": "5.1.2"
+            "safe-buffer": "^5.0.1"
           }
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@@ -15527,7 +15542,7 @@
           "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
           "dev": true,
           "requires": {
-            "tweetnacl": "0.14.5"
+            "tweetnacl": "^0.14.3"
           }
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@@ -15545,11 +15560,11 @@
           "integrity": "sha512-xwIx/8JKoT2+IPJpFEfXoWdYwP7UVAoUxxLNfGCfVowaJE7yg1Y5B1BVPqlUNsBq5/nGwmFkwRJ8xDW4sX8OdA==",
           "dev": true,
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-            "pbkdf2": "3.0.17",
-            "randombytes": "2.1.0",
-            "safe-buffer": "5.1.2",
-            "unorm": "1.5.0"
+            "create-hash": "^1.1.0",
+            "pbkdf2": "^3.0.9",
+            "randombytes": "^2.0.1",
+            "safe-buffer": "^5.0.1",
+            "unorm": "^1.3.3"
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@@ -15558,7 +15573,7 @@
           "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.2"
+            "safe-buffer": "^5.0.1"
           }
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@@ -15567,8 +15582,8 @@
           "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
           "dev": true,
           "requires": {
-            "readable-stream": "2.3.6",
-            "safe-buffer": "5.1.2"
+            "readable-stream": "^2.3.5",
+            "safe-buffer": "^5.1.1"
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@@ -15578,7 +15593,7 @@
           "dev": true,
           "optional": true,
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-            "inherits": "2.0.3"
+            "inherits": "~2.0.0"
           }
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@@ -15601,15 +15616,15 @@
           "dev": true,
           "requires": {
             "bytes": "3.0.0",
-            "content-type": "1.0.4",
+            "content-type": "~1.0.4",
             "debug": "2.6.9",
-            "depd": "1.1.2",
-            "http-errors": "1.6.3",
+            "depd": "~1.1.2",
+            "http-errors": "~1.6.3",
             "iconv-lite": "0.4.23",
-            "on-finished": "2.3.0",
+            "on-finished": "~2.3.0",
             "qs": "6.5.2",
             "raw-body": "2.3.3",
-            "type-is": "1.6.16"
+            "type-is": "~1.6.16"
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@@ -15629,7 +15644,7 @@
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           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
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@@ -15645,12 +15660,12 @@
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           "dev": true,
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-            "cipher-base": "1.0.4",
-            "create-hash": "1.2.0",
-            "evp_bytestokey": "1.0.3",
-            "inherits": "2.0.3",
-            "safe-buffer": "5.1.2"
+            "buffer-xor": "^1.0.3",
+            "cipher-base": "^1.0.0",
+            "create-hash": "^1.1.0",
+            "evp_bytestokey": "^1.0.3",
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
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         "browserify-cipher": {
@@ -15660,9 +15675,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "browserify-aes": "1.2.0",
-            "browserify-des": "1.0.2",
-            "evp_bytestokey": "1.0.3"
+            "browserify-aes": "^1.0.4",
+            "browserify-des": "^1.0.0",
+            "evp_bytestokey": "^1.0.0"
           }
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         "browserify-des": {
@@ -15672,10 +15687,10 @@
           "dev": true,
           "optional": true,
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-            "cipher-base": "1.0.4",
-            "des.js": "1.0.0",
-            "inherits": "2.0.3",
-            "safe-buffer": "5.1.2"
+            "cipher-base": "^1.0.1",
+            "des.js": "^1.0.0",
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.1.2"
           }
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         "browserify-rsa": {
@@ -15684,8 +15699,8 @@
           "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
           "dev": true,
           "requires": {
-            "bn.js": "4.11.8",
-            "randombytes": "2.1.0"
+            "bn.js": "^4.1.0",
+            "randombytes": "^2.0.1"
           }
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         "browserify-sha3": {
@@ -15694,8 +15709,8 @@
           "integrity": "sha1-CGxHuMgjFsnUcCLCYYWVRXbdjiY=",
           "dev": true,
           "requires": {
-            "js-sha3": "0.6.1",
-            "safe-buffer": "5.1.2"
+            "js-sha3": "^0.6.1",
+            "safe-buffer": "^5.1.1"
           }
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         "browserify-sign": {
@@ -15705,13 +15720,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "bn.js": "4.11.8",
-            "browserify-rsa": "4.0.1",
-            "create-hash": "1.2.0",
-            "create-hmac": "1.1.7",
-            "elliptic": "6.4.1",
-            "inherits": "2.0.3",
-            "parse-asn1": "5.1.4"
+            "bn.js": "^4.1.1",
+            "browserify-rsa": "^4.0.0",
+            "create-hash": "^1.1.0",
+            "create-hmac": "^1.1.2",
+            "elliptic": "^6.0.0",
+            "inherits": "^2.0.1",
+            "parse-asn1": "^5.0.0"
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@@ -15720,8 +15735,8 @@
           "integrity": "sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==",
           "dev": true,
           "requires": {
-            "caniuse-lite": "1.0.30000939",
-            "electron-to-chromium": "1.3.113"
+            "caniuse-lite": "^1.0.30000844",
+            "electron-to-chromium": "^1.3.47"
           }
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         "bs58": {
@@ -15731,7 +15746,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "base-x": "3.0.5"
+            "base-x": "^3.0.2"
           }
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@@ -15741,9 +15756,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "bs58": "4.0.1",
-            "create-hash": "1.2.0",
-            "safe-buffer": "5.1.2"
+            "bs58": "^4.0.0",
+            "create-hash": "^1.1.0",
+            "safe-buffer": "^5.1.2"
           }
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@@ -15752,8 +15767,8 @@
           "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
           "dev": true,
           "requires": {
-            "base64-js": "1.3.0",
-            "ieee754": "1.1.12"
+            "base64-js": "^1.0.2",
+            "ieee754": "^1.1.4"
           }
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@@ -15762,8 +15777,8 @@
           "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
           "dev": true,
           "requires": {
-            "buffer-alloc-unsafe": "1.1.0",
-            "buffer-fill": "1.0.0"
+            "buffer-alloc-unsafe": "^1.1.0",
+            "buffer-fill": "^1.0.0"
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@@ -15815,8 +15830,8 @@
           "integrity": "sha1-HRPL/3F65xWAlKqIGzXQgbOHJT4=",
           "dev": true,
           "requires": {
-            "bytewise-core": "1.2.3",
-            "typewise": "1.0.3"
+            "bytewise-core": "^1.2.2",
+            "typewise": "^1.0.3"
           }
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@@ -15825,7 +15840,7 @@
           "integrity": "sha1-P7QQx+kVWOsasiqCg0V3qmvWHUI=",
           "dev": true,
           "requires": {
-            "typewise-core": "1.2.0"
+            "typewise-core": "^1.2"
           }
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@@ -15834,8 +15849,8 @@
           "integrity": "sha1-1D8DbkUQaWsxJG19sx6/D3rDLRU=",
           "dev": true,
           "requires": {
-            "abstract-leveldown": "2.7.2",
-            "lru-cache": "3.2.0"
+            "abstract-leveldown": "^2.4.1",
+            "lru-cache": "^3.2.0"
           },
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@@ -15844,7 +15859,7 @@
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               "dev": true,
               "requires": {
-                "xtend": "4.0.1"
+                "xtend": "~4.0.0"
               }
             }
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@@ -15873,11 +15888,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "2.2.1",
-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
-            "strip-ansi": "3.0.1",
-            "supports-color": "2.0.0"
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
           }
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         "checkpoint-store": {
@@ -15886,7 +15901,7 @@
           "integrity": "sha1-BOTLUWuRQziTWB5tRgGnjpVS6gY=",
           "dev": true,
           "requires": {
-            "functional-red-black-tree": "1.0.1"
+            "functional-red-black-tree": "^1.0.1"
           }
         },
         "cipher-base": {
@@ -15895,8 +15910,8 @@
           "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
           "dev": true,
           "requires": {
-            "inherits": "2.0.3",
-            "safe-buffer": "5.1.2"
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
           }
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         "cliui": {
@@ -15905,9 +15920,9 @@
           "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wrap-ansi": "^2.0.0"
           }
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         "clone": {
@@ -15929,8 +15944,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "bs58": "2.0.1",
-            "create-hash": "1.2.0"
+            "bs58": "^2.0.1",
+            "create-hash": "^1.1.1"
           },
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@@ -15948,7 +15963,7 @@
           "integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
           "dev": true,
           "requires": {
-            "delayed-stream": "1.0.0"
+            "delayed-stream": "~1.0.0"
           }
         },
         "commander": {
@@ -15957,7 +15972,7 @@
           "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
           "dev": true,
           "requires": {
-            "graceful-readlink": "1.0.1"
+            "graceful-readlink": ">= 1.0.0"
           }
         },
         "concat-map": {
@@ -15972,10 +15987,10 @@
           "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
           "dev": true,
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-            "buffer-from": "1.1.1",
-            "inherits": "2.0.3",
-            "readable-stream": "2.3.6",
-            "typedarray": "0.0.6"
+            "buffer-from": "^1.0.0",
+            "inherits": "^2.0.3",
+            "readable-stream": "^2.2.2",
+            "typedarray": "^0.0.6"
           }
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         "content-disposition": {
@@ -15996,7 +16011,7 @@
           "integrity": "sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==",
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.2"
+            "safe-buffer": "~5.1.1"
           }
         },
         "cookie": {
@@ -16035,8 +16050,8 @@
           "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
           "dev": true,
           "requires": {
-            "object-assign": "4.1.1",
-            "vary": "1.1.2"
+            "object-assign": "^4",
+            "vary": "^1"
           }
         },
         "create-ecdh": {
@@ -16046,8 +16061,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "bn.js": "4.11.8",
-            "elliptic": "6.4.1"
+            "bn.js": "^4.1.0",
+            "elliptic": "^6.0.0"
           }
         },
         "create-hash": {
@@ -16056,11 +16071,11 @@
           "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
           "dev": true,
           "requires": {
-            "cipher-base": "1.0.4",
-            "inherits": "2.0.3",
-            "md5.js": "1.3.5",
-            "ripemd160": "2.0.2",
-            "sha.js": "2.4.11"
+            "cipher-base": "^1.0.1",
+            "inherits": "^2.0.1",
+            "md5.js": "^1.3.4",
+            "ripemd160": "^2.0.1",
+            "sha.js": "^2.4.0"
           }
         },
         "create-hmac": {
@@ -16069,12 +16084,12 @@
           "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
           "dev": true,
           "requires": {
-            "cipher-base": "1.0.4",
-            "create-hash": "1.2.0",
-            "inherits": "2.0.3",
-            "ripemd160": "2.0.2",
-            "safe-buffer": "5.1.2",
-            "sha.js": "2.4.11"
+            "cipher-base": "^1.0.3",
+            "create-hash": "^1.1.0",
+            "inherits": "^2.0.1",
+            "ripemd160": "^2.0.0",
+            "safe-buffer": "^5.0.1",
+            "sha.js": "^2.4.8"
           }
         },
         "cross-fetch": {
@@ -16094,17 +16109,17 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "browserify-cipher": "1.0.1",
-            "browserify-sign": "4.0.4",
-            "create-ecdh": "4.0.3",
-            "create-hash": "1.2.0",
-            "create-hmac": "1.1.7",
-            "diffie-hellman": "5.0.3",
-            "inherits": "2.0.3",
-            "pbkdf2": "3.0.17",
-            "public-encrypt": "4.0.3",
-            "randombytes": "2.1.0",
-            "randomfill": "1.0.4"
+            "browserify-cipher": "^1.0.0",
+            "browserify-sign": "^4.0.0",
+            "create-ecdh": "^4.0.0",
+            "create-hash": "^1.1.0",
+            "create-hmac": "^1.1.0",
+            "diffie-hellman": "^5.0.0",
+            "inherits": "^2.0.1",
+            "pbkdf2": "^3.0.3",
+            "public-encrypt": "^4.0.0",
+            "randombytes": "^2.0.0",
+            "randomfill": "^1.0.3"
           }
         },
         "dashdash": {
@@ -16113,7 +16128,7 @@
           "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
           "dev": true,
           "requires": {
-            "assert-plus": "1.0.0"
+            "assert-plus": "^1.0.0"
           }
         },
         "debug": {
@@ -16144,14 +16159,14 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "decompress-tar": "4.1.1",
-            "decompress-tarbz2": "4.1.1",
-            "decompress-targz": "4.1.1",
-            "decompress-unzip": "4.0.1",
-            "graceful-fs": "4.1.15",
-            "make-dir": "1.3.0",
-            "pify": "2.3.0",
-            "strip-dirs": "2.1.0"
+            "decompress-tar": "^4.0.0",
+            "decompress-tarbz2": "^4.0.0",
+            "decompress-targz": "^4.0.0",
+            "decompress-unzip": "^4.0.1",
+            "graceful-fs": "^4.1.10",
+            "make-dir": "^1.0.0",
+            "pify": "^2.3.0",
+            "strip-dirs": "^2.0.0"
           },
           "dependencies": {
             "pify": {
@@ -16169,7 +16184,7 @@
           "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
           "dev": true,
           "requires": {
-            "mimic-response": "1.0.1"
+            "mimic-response": "^1.0.0"
           }
         },
         "decompress-tar": {
@@ -16178,9 +16193,9 @@
           "integrity": "sha512-JdJMaCrGpB5fESVyxwpCx4Jdj2AagLmv3y58Qy4GE6HMVjWz1FeVQk1Ct4Kye7PftcdOo/7U7UKzYBJgqnGeUQ==",
           "dev": true,
           "requires": {
-            "file-type": "5.2.0",
-            "is-stream": "1.1.0",
-            "tar-stream": "1.6.2"
+            "file-type": "^5.2.0",
+            "is-stream": "^1.1.0",
+            "tar-stream": "^1.5.2"
           }
         },
         "decompress-tarbz2": {
@@ -16190,11 +16205,11 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "decompress-tar": "4.1.1",
-            "file-type": "6.2.0",
-            "is-stream": "1.1.0",
-            "seek-bzip": "1.0.5",
-            "unbzip2-stream": "1.3.3"
+            "decompress-tar": "^4.1.0",
+            "file-type": "^6.1.0",
+            "is-stream": "^1.1.0",
+            "seek-bzip": "^1.0.5",
+            "unbzip2-stream": "^1.0.9"
           },
           "dependencies": {
             "file-type": {
@@ -16213,9 +16228,9 @@
           "dev": true,
           "optional": true,
           "requires": {
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-                "pify": "2.3.0",
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@@ -16717,10 +16733,11 @@
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-                "rustbn.js": "0.1.2",
-                "safe-buffer": "5.1.2"
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-                "jsonfile": "2.4.0",
-                "klaw": "1.3.1",
-                "path-is-absolute": "1.0.1",
-                "rimraf": "2.6.3"
+                "graceful-fs": "^4.1.2",
+                "jsonfile": "^2.1.0",
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-                "create-hash": "1.2.0",
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@@ -17056,14 +17073,14 @@
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-            "utf8": "3.0.0",
-            "uuid": "3.3.2"
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-            "safe-buffer": "5.1.2"
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@@ -17122,36 +17139,36 @@
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             "content-disposition": "0.5.2",
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-            "escape-html": "1.0.3",
-            "etag": "1.8.1",
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+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
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@@ -17189,7 +17206,7 @@
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           "dev": true,
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-            "checkpoint-store": "1.1.0"
+            "checkpoint-store": "^1.1.0"
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@@ -17211,7 +17228,7 @@
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+            "pend": "~1.2.0"
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@@ -17220,7 +17237,7 @@
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@@ -17229,8 +17246,8 @@
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-                "is-stream": "1.1.0"
+                "encoding": "^0.1.11",
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@@ -17254,12 +17271,12 @@
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-            "statuses": "1.4.0",
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+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
+            "on-finished": "~2.3.0",
+            "parseurl": "~1.3.2",
+            "statuses": "~1.4.0",
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@@ -17285,8 +17302,8 @@
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-            "path-exists": "2.1.0",
-            "pinkie-promise": "2.0.1"
+            "path-exists": "^2.0.0",
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@@ -17295,7 +17312,7 @@
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+            "is-callable": "^1.1.3"
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@@ -17310,9 +17327,9 @@
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-            "combined-stream": "1.0.7",
-            "mime-types": "2.1.22"
+            "asynckit": "^0.4.0",
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@@ -17339,8 +17356,8 @@
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-            "graceful-fs": "4.1.15",
-            "jsonfile": "2.4.0"
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^2.1.0"
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@@ -17350,10 +17367,10 @@
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-            "fs-extra": "2.1.2",
-            "mz": "2.7.0",
-            "thenify-all": "1.6.0"
+            "any-promise": "^1.3.0",
+            "fs-extra": "^2.0.0",
+            "mz": "^2.6.0",
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-            "brorand": "1.1.0"
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@@ -18866,7 +18883,7 @@
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           "dev": true,
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@@ -18912,7 +18929,7 @@
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-            "resolve": "1.10.0",
-            "semver": "5.4.1",
-            "validate-npm-package-license": "3.0.4"
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+            "resolve": "^1.10.0",
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@@ -19054,7 +19071,7 @@
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-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
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-            "safe-buffer": "5.1.2",
-            "sha.js": "2.4.11"
+            "create-hash": "^1.1.2",
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+            "safe-buffer": "^5.0.1",
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-            "randombytes": "2.1.0",
-            "safe-buffer": "5.1.2"
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-            "pull-cat": "1.1.11",
-            "pull-stream": "3.6.9"
+            "pull-cat": "^1.1.9",
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@@ -19363,7 +19380,7 @@
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           "dev": true,
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-            "object-assign": "4.1.1",
-            "strict-uri-encode": "1.1.0"
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+            "object-assign": "^4.1.0",
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@@ -19395,7 +19412,7 @@
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+            "safe-buffer": "^5.1.0"
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@@ -19405,8 +19422,8 @@
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-            "safe-buffer": "5.1.2"
+            "randombytes": "^2.0.5",
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@@ -19439,9 +19456,9 @@
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-            "normalize-package-data": "2.5.0",
-            "path-type": "1.1.0"
+            "load-json-file": "^1.0.0",
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@@ -19450,8 +19467,8 @@
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-            "read-pkg": "1.1.0"
+            "find-up": "^1.0.0",
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@@ -19504,9 +19521,9 @@
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@@ -19515,9 +19532,9 @@
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-            "regjsgen": "0.2.0",
-            "regjsparser": "0.1.5"
+            "regenerate": "^1.2.1",
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@@ -19532,7 +19549,7 @@
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           "dev": true,
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+            "jsesc": "~0.5.0"
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@@ -19541,7 +19558,7 @@
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           "dev": true,
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+            "is-finite": "^1.0.0"
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@@ -19550,26 +19567,26 @@
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-            "tunnel-agent": "0.6.0",
-            "uuid": "3.3.2"
+            "aws-sign2": "~0.7.0",
+            "aws4": "^1.8.0",
+            "caseless": "~0.12.0",
+            "combined-stream": "~1.0.6",
+            "extend": "~3.0.2",
+            "forever-agent": "~0.6.1",
+            "form-data": "~2.3.2",
+            "har-validator": "~5.1.0",
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+            "oauth-sign": "~0.9.0",
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+            "qs": "~6.5.2",
+            "safe-buffer": "^5.1.2",
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+            "path-parse": "^1.0.6"
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@@ -19605,7 +19622,7 @@
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           "dev": true,
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@@ -19614,7 +19631,7 @@
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+            "glob": "^7.1.3"
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-            "hash-base": "3.0.4",
-            "inherits": "2.0.3"
+            "hash-base": "^3.0.0",
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@@ -19633,7 +19650,7 @@
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           "dev": true,
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+            "safe-buffer": "^5.1.1"
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@@ -19654,7 +19671,7 @@
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+            "events": "^3.0.0"
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@@ -19670,7 +19687,7 @@
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+            "nan": "^2.0.8"
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@@ -19680,8 +19697,8 @@
           "dev": true,
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-            "scrypt": "6.0.3",
-            "scryptsy": "1.2.1"
+            "scrypt": "^6.0.2",
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@@ -19691,7 +19708,7 @@
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+            "pbkdf2": "^3.0.3"
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@@ -19700,14 +19717,14 @@
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-        "semver": "5.5.1",
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+        "chalk": "^2.4.1",
+        "configstore": "^3.1.2",
+        "debug": "^3.1.0",
+        "hasbin": "^1.2.3",
+        "inquirer": "^3.0.0",
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@@ -36161,13 +36171,13 @@
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-        "undefsafe": "2.0.2",
-        "uuid": "3.3.2"
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-            "yallist": "2.1.2"
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+            "https-proxy-agent": "^2.2.1",
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+            "has-flag": "^3.0.0"
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@@ -36303,9 +36313,9 @@
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-        "lodash": "4.17.10",
-        "nconf": "0.10.0"
+        "debug": "^3.1.0",
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@@ -36331,8 +36341,8 @@
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-        "tslib": "1.9.3"
+        "debug": "^3",
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@@ -36358,9 +36368,9 @@
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+        "graphlib": "^2.1.1",
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-        "clone-deep": "0.3.0"
+        "clone-deep": "^0.3.0"
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@@ -36378,10 +36388,10 @@
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-            "kind-of": "3.2.2",
-            "shallow-clone": "0.1.2"
+            "for-own": "^1.0.0",
+            "is-plain-object": "^2.0.1",
+            "kind-of": "^3.2.2",
+            "shallow-clone": "^0.1.2"
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@@ -36390,7 +36400,7 @@
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+            "for-in": "^1.0.1"
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@@ -36399,10 +36409,10 @@
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-            "lazy-cache": "0.2.7",
-            "mixin-object": "2.0.1"
+            "is-extendable": "^0.1.1",
+            "kind-of": "^2.0.1",
+            "lazy-cache": "^0.2.3",
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@@ -36411,7 +36421,7 @@
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@@ -36424,8 +36434,8 @@
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-        "hosted-git-info": "2.5.0"
+        "debug": "^3.1.0",
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+            "ms": "^2.1.1"
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@@ -36457,10 +36467,10 @@
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+        "@yarnpkg/lockfile": "^1.0.2",
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-        "source-map-support": "0.5.9"
+        "source-map-support": "^0.5.7"
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-        "mkdirp": "0.5.1",
-        "node-libs-browser": "2.1.0",
-        "source-map": "0.5.7",
-        "supports-color": "3.2.3",
-        "tapable": "0.2.8",
-        "uglify-js": "2.8.29",
-        "watchpack": "1.4.0",
-        "webpack-sources": "1.1.0",
-        "yargs": "6.6.0"
+        "acorn": "^5.0.0",
+        "acorn-dynamic-import": "^2.0.0",
+        "ajv": "^4.7.0",
+        "ajv-keywords": "^1.1.1",
+        "async": "^2.1.2",
+        "enhanced-resolve": "^3.3.0",
+        "interpret": "^1.0.0",
+        "json-loader": "^0.5.4",
+        "json5": "^0.5.1",
+        "loader-runner": "^2.3.0",
+        "loader-utils": "^0.2.16",
+        "memory-fs": "~0.4.1",
+        "mkdirp": "~0.5.0",
+        "node-libs-browser": "^2.0.0",
+        "source-map": "^0.5.3",
+        "supports-color": "^3.1.0",
+        "tapable": "~0.2.5",
+        "uglify-js": "^2.8.27",
+        "watchpack": "^1.3.1",
+        "webpack-sources": "^1.0.1",
+        "yargs": "^6.0.0"
       },
       "dependencies": {
         "acorn": {
@@ -40498,8 +40511,8 @@
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
           "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
           "requires": {
-            "co": "4.6.0",
-            "json-stable-stringify": "1.0.1"
+            "co": "^4.6.0",
+            "json-stable-stringify": "^1.0.1"
           }
         },
         "ajv-keywords": {
@@ -40517,8 +40530,8 @@
           "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
           "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
           "requires": {
-            "center-align": "0.1.3",
-            "right-align": "0.1.3",
+            "center-align": "^0.1.1",
+            "right-align": "^0.1.1",
             "wordwrap": "0.0.2"
           }
         },
@@ -40537,7 +40550,7 @@
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
           "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
           "requires": {
-            "has-flag": "1.0.0"
+            "has-flag": "^1.0.0"
           }
         },
         "uglify-js": {
@@ -40545,9 +40558,9 @@
           "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
           "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
           "requires": {
-            "source-map": "0.5.7",
-            "uglify-to-browserify": "1.0.2",
-            "yargs": "3.10.0"
+            "source-map": "~0.5.1",
+            "uglify-to-browserify": "~1.0.0",
+            "yargs": "~3.10.0"
           },
           "dependencies": {
             "yargs": {
@@ -40555,9 +40568,9 @@
               "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
               "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
               "requires": {
-                "camelcase": "1.2.1",
-                "cliui": "2.1.0",
-                "decamelize": "1.2.0",
+                "camelcase": "^1.0.2",
+                "cliui": "^2.1.0",
+                "decamelize": "^1.0.0",
                 "window-size": "0.1.0"
               }
             }
@@ -40581,11 +40594,11 @@
       "integrity": "sha512-FCrqPy1yy/sN6U/SaEZcHKRXGlqU0DUaEBL45jkUYoB8foVb6wCnbIJ1HKIx+qUFTW+3JpVcCJCxZ8VATL4e+A==",
       "dev": true,
       "requires": {
-        "memory-fs": "0.4.1",
-        "mime": "1.6.0",
-        "path-is-absolute": "1.0.1",
-        "range-parser": "1.2.0",
-        "time-stamp": "2.0.0"
+        "memory-fs": "~0.4.1",
+        "mime": "^1.5.0",
+        "path-is-absolute": "^1.0.0",
+        "range-parser": "^1.0.3",
+        "time-stamp": "^2.0.0"
       },
       "dependencies": {
         "mime": {
@@ -40609,9 +40622,9 @@
       "dev": true,
       "requires": {
         "ansi-html": "0.0.7",
-        "html-entities": "1.2.1",
-        "querystring": "0.2.0",
-        "strip-ansi": "3.0.1"
+        "html-entities": "^1.2.0",
+        "querystring": "^0.2.0",
+        "strip-ansi": "^3.0.0"
       }
     },
     "webpack-sources": {
@@ -40619,8 +40632,8 @@
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
       "integrity": "sha512-aqYp18kPphgoO5c/+NaUvEeACtZjMESmDChuD3NBciVpah3XpMEU9VAAtIaB1BsfJWWTSdv8Vv1m3T0aRk2dUw==",
       "requires": {
-        "source-list-map": "2.0.0",
-        "source-map": "0.6.1"
+        "source-list-map": "^2.0.0",
+        "source-map": "~0.6.1"
       },
       "dependencies": {
         "source-map": {
@@ -40635,8 +40648,8 @@
       "resolved": "https://registry.npmjs.org/webrtc-adapter/-/webrtc-adapter-6.3.2.tgz",
       "integrity": "sha512-7pFMXpZCka7ScIQyk8Wo+fOr3OlKLtGd6YHqkHVT74zerpY2Siyds8sxsmkE0bNqsi/J1b0vDzN7WpB34dQzAA==",
       "requires": {
-        "rtcpeerconnection-shim": "1.2.13",
-        "sdp": "2.8.0"
+        "rtcpeerconnection-shim": "^1.2.10",
+        "sdp": "^2.7.0"
       }
     },
     "websocket-driver": {
@@ -40645,8 +40658,8 @@
       "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
       "dev": true,
       "requires": {
-        "http-parser-js": "0.4.9",
-        "websocket-extensions": "0.1.3"
+        "http-parser-js": ">=0.4.0",
+        "websocket-extensions": ">=0.1.1"
       }
     },
     "websocket-extensions": {
@@ -40675,9 +40688,9 @@
       "integrity": "sha512-Z0CVh/YE217Foyb488eo+iBv+r7eAQ0wSTyApi9n06jhcA3z6Nidg/EGvl0UFkg7kMdKxfBzzr+o9JF+cevgMg==",
       "dev": true,
       "requires": {
-        "lodash.sortby": "4.7.0",
-        "tr46": "1.0.1",
-        "webidl-conversions": "4.0.2"
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.0",
+        "webidl-conversions": "^4.0.1"
       }
     },
     "whet.extend": {
@@ -40692,7 +40705,7 @@
       "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -40706,7 +40719,7 @@
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2"
+        "string-width": "^1.0.2"
       }
     },
     "win-release": {
@@ -40715,7 +40728,7 @@
       "integrity": "sha1-X6VeAr58qTTt/BJmVjLoSbcuUgk=",
       "dev": true,
       "requires": {
-        "semver": "5.4.1"
+        "semver": "^5.0.1"
       }
     },
     "window-size": {
@@ -40729,13 +40742,13 @@
       "integrity": "sha1-PJNJ0ZYgf9G9/51LxD73JRDjoS4=",
       "dev": true,
       "requires": {
-        "async": "1.0.0",
-        "colors": "1.0.3",
-        "cycle": "1.0.3",
-        "eyes": "0.1.8",
-        "isstream": "0.1.2",
-        "pkginfo": "0.3.1",
-        "stack-trace": "0.0.10"
+        "async": "~1.0.0",
+        "colors": "1.0.x",
+        "cycle": "1.0.x",
+        "eyes": "0.1.x",
+        "isstream": "0.1.x",
+        "pkginfo": "0.3.x",
+        "stack-trace": "0.0.x"
       },
       "dependencies": {
         "async": {
@@ -40769,7 +40782,7 @@
       "integrity": "sha512-6w+3tHbM87WnSWnENBUvA2pxJPLhQUg5LKwUQHq3r+XPhIM+Gh2R5ycbwPCyuGbNg+lPgdcnQUhuC02kJCvffQ==",
       "dev": true,
       "requires": {
-        "errno": "0.1.7"
+        "errno": "~0.1.7"
       },
       "dependencies": {
         "errno": {
@@ -40778,7 +40791,7 @@
           "integrity": "sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==",
           "dev": true,
           "requires": {
-            "prr": "1.0.1"
+            "prr": "~1.0.1"
           }
         }
       }
@@ -40788,8 +40801,8 @@
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       }
     },
     "wrappy": {
@@ -40803,7 +40816,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "write-file-atomic": {
@@ -40812,9 +40825,9 @@
       "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "signal-exit": "3.0.2"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
       }
     },
     "write-file-stdout": {
@@ -40829,9 +40842,9 @@
       "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
       "dev": true,
       "requires": {
-        "async-limiter": "1.0.0",
-        "safe-buffer": "5.1.1",
-        "ultron": "1.1.1"
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
       }
     },
     "x-is-function": {
@@ -40855,10 +40868,10 @@
       "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.4.1.tgz",
       "integrity": "sha512-pAIU5vBr9Hiy5cpFIbPnwf0C18ZF86DBsZKrlsf87N5De/JbA6RJ83UP/cv+aljl4S40iRVMqP4pr4sF9Dnj0A==",
       "requires": {
-        "global": "4.3.2",
-        "is-function": "1.0.1",
-        "parse-headers": "2.0.1",
-        "xtend": "4.0.1"
+        "global": "~4.3.0",
+        "is-function": "^1.0.1",
+        "parse-headers": "^2.0.0",
+        "xtend": "^4.0.0"
       }
     },
     "xhr2": {
@@ -40872,7 +40885,7 @@
       "integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
       "dev": true,
       "requires": {
-        "cookiejar": "2.1.2"
+        "cookiejar": "^2.1.1"
       }
     },
     "xml-name-validator": {
@@ -40887,8 +40900,8 @@
       "integrity": "sha512-esZnJZJOiJR9wWKMyuvSE1y6Dq5LCuJanqhxslH2bxM6duahNZ+HMpCLhBQGZkbX6xRf8x1Y2eJlgt2q3qo49Q==",
       "dev": true,
       "requires": {
-        "sax": "1.2.4",
-        "xmlbuilder": "9.0.7"
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~9.0.1"
       }
     },
     "xmlbuilder": {
@@ -40945,19 +40958,19 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
       "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
       "requires": {
-        "camelcase": "3.0.0",
-        "cliui": "3.2.0",
-        "decamelize": "1.2.0",
-        "get-caller-file": "1.0.2",
-        "os-locale": "1.4.0",
-        "read-pkg-up": "1.0.1",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "1.0.2",
-        "which-module": "1.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "4.2.1"
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^4.2.0"
       }
     },
     "yargs-parser": {
@@ -40965,7 +40978,7 @@
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
       "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
       "requires": {
-        "camelcase": "3.0.0"
+        "camelcase": "^3.0.0"
       }
     },
     "yauzl": {
@@ -40974,7 +40987,7 @@
       "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
       "dev": true,
       "requires": {
-        "fd-slicer": "1.0.1"
+        "fd-slicer": "~1.0.1"
       }
     },
     "yazl": {
@@ -40983,7 +40996,7 @@
       "integrity": "sha1-7CblzIfVYBud+EMtvdPNLlFzoHE=",
       "dev": true,
       "requires": {
-        "buffer-crc32": "0.2.13"
+        "buffer-crc32": "~0.2.3"
       }
     },
     "yeast": {
diff --git a/package.json b/package.json
index e978b642f..db0b0203f 100644
--- a/package.json
+++ b/package.json
@@ -230,7 +230,7 @@
     "file-loader": "^1.1.11",
     "fs-extra": "^6.0.1",
     "fs-promise": "^2.0.3",
-    "gaba": "^1.0.1",
+    "gaba": "^1.3.0",
     "ganache-cli": "^6.1.0",
     "ganache-core": "^2.5.3",
     "geckodriver": "^1.14.1",
diff --git a/test/unit/app/controllers/currency-controller-test.js b/test/unit/app/controllers/currency-controller-test.js
deleted file mode 100644
index 8b6fbb719..000000000
--- a/test/unit/app/controllers/currency-controller-test.js
+++ /dev/null
@@ -1,78 +0,0 @@
-const assert = require('assert')
-const nock = require('nock')
-const CurrencyController = require('../../../../app/scripts/controllers/currency')
-
-describe('currency-controller', function () {
-  var currencyController
-
-  beforeEach(function () {
-    currencyController = new CurrencyController()
-  })
-
-  describe('currency conversions', function () {
-    describe('#setCurrentCurrency', function () {
-      it('should return USD as default', function () {
-        assert.equal(currencyController.getCurrentCurrency(), 'usd')
-      })
-
-      it('should be able to set to other currency', function () {
-        assert.equal(currencyController.getCurrentCurrency(), 'usd')
-        currencyController.setCurrentCurrency('JPY')
-        var result = currencyController.getCurrentCurrency()
-        assert.equal(result, 'JPY')
-      })
-    })
-
-    describe('#getConversionRate', function () {
-      it('should return undefined if non-existent', function () {
-        var result = currencyController.getConversionRate()
-        assert.ok(!result)
-      })
-    })
-
-    describe('#updateConversionRate', function () {
-      it('should retrieve an update for ETH to USD and set it in memory', function (done) {
-        this.timeout(15000)
-        nock('https://api.infura.io')
-          .get('/v1/ticker/ethusd')
-          .reply(200, '{"base": "ETH", "quote": "USD", "bid": 288.45, "ask": 288.46, "volume": 112888.17569277, "exchange": "bitfinex", "total_volume": 272175.00106721005, "num_exchanges": 8, "timestamp": 1506444677}')
-
-        assert.equal(currencyController.getConversionRate(), 0)
-        currencyController.setCurrentCurrency('usd')
-        currencyController.updateConversionRate()
-        .then(function () {
-          var result = currencyController.getConversionRate()
-          assert.equal(typeof result, 'number')
-          done()
-        }).catch(function (err) {
-          done(err)
-        })
-      })
-
-      it('should work for JPY as well.', function () {
-        this.timeout(15000)
-        assert.equal(currencyController.getConversionRate(), 0)
-
-        nock('https://api.infura.io')
-          .get('/v1/ticker/ethjpy')
-          .reply(200, '{"base": "ETH", "quote": "JPY", "bid": 32300.0, "ask": 32400.0, "volume": 247.4616071, "exchange": "kraken", "total_volume": 247.4616071, "num_exchanges": 1, "timestamp": 1506444676}')
-
-
-        var promise = new Promise(
-          function (resolve) {
-            currencyController.setCurrentCurrency('jpy')
-            currencyController.updateConversionRate().then(function () {
-              resolve()
-            })
-          })
-
-        promise.then(function () {
-          var result = currencyController.getConversionRate()
-          assert.equal(typeof result, 'number')
-        }).catch(function (done, err) {
-          done(err)
-        })
-      })
-    })
-  })
-})
diff --git a/test/unit/app/controllers/metamask-controller-test.js b/test/unit/app/controllers/metamask-controller-test.js
index a56b8adbd..1b8cde42e 100644
--- a/test/unit/app/controllers/metamask-controller-test.js
+++ b/test/unit/app/controllers/metamask-controller-test.js
@@ -45,6 +45,11 @@ describe('MetaMaskController', function () {
       .get(/.*/)
       .reply(200)
 
+    nock('https://min-api.cryptocompare.com')
+      .persist()
+      .get(/.*/)
+      .reply(200, '{"JPY":12415.9}')
+
     metamaskController = new MetaMaskController({
       showUnapprovedTx: noop,
       showUnconfirmedMessage: noop,
@@ -441,7 +446,7 @@ describe('MetaMaskController', function () {
     let defaultMetaMaskCurrency
 
     beforeEach(function () {
-      defaultMetaMaskCurrency = metamaskController.currencyController.getCurrentCurrency()
+      defaultMetaMaskCurrency = metamaskController.currencyRateController.state.currentCurrency
     })
 
     it('defaults to usd', function () {
@@ -450,7 +455,7 @@ describe('MetaMaskController', function () {
 
     it('sets currency to JPY', function () {
       metamaskController.setCurrentCurrency('JPY', noop)
-      assert.equal(metamaskController.currencyController.getCurrentCurrency(), 'JPY')
+      assert.equal(metamaskController.currencyRateController.state.currentCurrency, 'JPY')
     })
   })