feature: integrate gaba/ShapeShiftController (#6569)

2 files changed, 5 insertions, 187 deletions

diff --git a/app/scripts/controllers/shapeshift.js b/app/scripts/controllers/shapeshift.js
deleted file mode 100644
index 9b0287007..000000000
--- a/app/scripts/controllers/shapeshift.js
+++ /dev/null
@@ -1,180 +0,0 @@
-const ObservableStore = require('obs-store')
-const extend = require('xtend')
-const log = require('loglevel')
-
-// every three seconds when an incomplete tx is waiting
-const POLLING_INTERVAL = 3000
-
-class ShapeshiftController {
-
-    /**
-     * Controller responsible for managing the list of shapeshift transactions. On construction, it initiates a poll
-     * that queries a shapeshift.io API for updates to any pending shapeshift transactions
-     *
-     * @typedef {Object} ShapeshiftController
-     * @param {object} opts Overrides the defaults for the initial state of this.store
-     * @property {array} opts.initState  initializes the the state of the ShapeshiftController. Can contain an
-     * shapeShiftTxList array.
-     * @property {array} shapeShiftTxList An array of ShapeShiftTx objects
-     *
-     */
-  constructor (opts = {}) {
-    const initState = extend({
-      shapeShiftTxList: [],
-    }, opts.initState)
-    this.store = new ObservableStore(initState)
-    this.pollForUpdates()
-  }
-
-  /**
-   * Represents, and contains data about, a single shapeshift transaction.
-   * @typedef {Object} ShapeShiftTx
-   * @property {string} depositAddress - An address at which to send a crypto deposit, so that eth can be sent to the
-   * user's Metamask account
-   * @property {string} depositType - An abbreviation of the type of crypto currency to be deposited.
-   * @property {string} key - The 'shapeshift' key differentiates this from other types of txs in Metamask
-   * @property {number} time - The time at which the tx was created
-   * @property {object} response - Initiated as an empty object, which will be replaced by a Response object. @see {@link
-   * https://developer.mozilla.org/en-US/docs/Web/API/Response}
-   */
-
-  //
-  // PUBLIC METHODS
-  //
-
-  /**
-   * A getter for the shapeShiftTxList property
-   *
-   * @returns {array<ShapeShiftTx>}
-   *
-   */
-  getShapeShiftTxList () {
-    const shapeShiftTxList = this.store.getState().shapeShiftTxList
-    return shapeShiftTxList
-  }
-
-  /**
-   * A getter for all ShapeShiftTx in the shapeShiftTxList that have not successfully completed a deposit.
-   *
-   * @returns {array<ShapeShiftTx>} Only includes ShapeShiftTx which has a response property with a status !== complete
-   *
-   */
-  getPendingTxs () {
-    const txs = this.getShapeShiftTxList()
-    const pending = txs.filter(tx => tx.response && tx.response.status !== 'complete')
-    return pending
-  }
-
-  /**
-   * A poll that exists as long as there are pending transactions. Each call attempts to update the data of any
-   * pendingTxs, and then calls itself again. If there are no pending txs, the recursive call is not made and
-   * the polling stops.
-   *
-   * this.updateTx is used to attempt the update to the pendingTxs in the ShapeShiftTxList, and that updated data
-   * is saved with saveTx.
-   *
-   */
-  pollForUpdates () {
-    const pendingTxs = this.getPendingTxs()
-
-    if (pendingTxs.length === 0) {
-      return
-    }
-
-    Promise.all(pendingTxs.map((tx) => {
-      return this.updateTx(tx)
-    }))
-    .then((results) => {
-      results.forEach(tx => this.saveTx(tx))
-      this.timeout = setTimeout(this.pollForUpdates.bind(this), POLLING_INTERVAL)
-    })
-  }
-
-    /**
-     * Attempts to update a ShapeShiftTx with data from a shapeshift.io API. Both the response and time properties
-     * can be updated. The response property is updated with every call, but the time property is only updated when
-     * the response status updates to 'complete'. This will occur once the user makes a deposit as the ShapeShiftTx
-     * depositAddress
-     *
-     * @param {ShapeShiftTx} tx The tx to update
-     *
-     */
-  async updateTx (tx) {
-    try {
-      const url = `https://shapeshift.io/txStat/${tx.depositAddress}`
-      const response = await fetch(url)
-      const json = await response.json()
-      tx.response = json
-      if (tx.response.status === 'complete') {
-        tx.time = new Date().getTime()
-      }
-      return tx
-    } catch (err) {
-      log.warn(err)
-    }
-  }
-
-  /**
-   * Saves an updated to a ShapeShiftTx in the shapeShiftTxList. If the passed ShapeShiftTx is not in the
-   * shapeShiftTxList, nothing happens.
-   *
-   * @param {ShapeShiftTx} tx The updated tx to save, if it exists in the current shapeShiftTxList
-   *
-   */
-  saveTx (tx) {
-    const { shapeShiftTxList } = this.store.getState()
-    const index = shapeShiftTxList.indexOf(tx)
-    if (index !== -1) {
-      shapeShiftTxList[index] = tx
-      this.store.updateState({ shapeShiftTxList })
-    }
-  }
-
-  /**
-   * Removes a ShapeShiftTx from the shapeShiftTxList
-   *
-   * @param {ShapeShiftTx} tx The tx to remove
-   *
-   */
-  removeShapeShiftTx () {
-    const { shapeShiftTxList } = this.store.getState()
-    const index = shapeShiftTxList.indexOf(index)
-    if (index !== -1) {
-      shapeShiftTxList.splice(index, 1)
-    }
-    this.updateState({ shapeShiftTxList })
-  }
-
-  /**
-   * Creates a new ShapeShiftTx, adds it to the shapeShiftTxList, and initiates a new poll for updates of pending txs
-   *
-   * @param {string} depositAddress - An address at which to send a crypto deposit, so that eth can be sent to the
-   * user's Metamask account
-   * @param {string} depositType - An abbreviation of the type of crypto currency to be deposited.
-   *
-   */
-  createShapeShiftTx (depositAddress, depositType) {
-    const state = this.store.getState()
-    let { shapeShiftTxList } = state
-
-    var shapeShiftTx = {
-      depositAddress,
-      depositType,
-      key: 'shapeshift',
-      time: new Date().getTime(),
-      response: {},
-    }
-
-    if (!shapeShiftTxList) {
-      shapeShiftTxList = [shapeShiftTx]
-    } else {
-      shapeShiftTxList.push(shapeShiftTx)
-    }
-
-    this.store.updateState({ shapeShiftTxList })
-    this.pollForUpdates()
-  }
-
-}
-
-module.exports = ShapeshiftController
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 07054f84b..55ca96ad4 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -27,7 +27,6 @@ const NetworkController = require('./controllers/network')
 const PreferencesController = require('./controllers/preferences')
 const AppStateController = require('./controllers/app-state')
 const CurrencyController = require('./controllers/currency')
-const ShapeShiftController = require('./controllers/shapeshift')
 const InfuraController = require('./controllers/infura')
 const CachedBalancesController = require('./controllers/cached-balances')
 const RecentBlocksController = require('./controllers/recent-blocks')
@@ -57,6 +56,7 @@ const ethUtil = require('ethereumjs-util')
 const sigUtil = require('eth-sig-util')
 const {
   AddressBookController,
+  ShapeShiftController,
   PhishingController,
 } = require('gaba')
 const backEndMetaMetricsEvent = require('./lib/backend-metametrics')
@@ -237,9 +237,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
     this.balancesController.updateAllBalances()
 
-    this.shapeshiftController = new ShapeShiftController({
-      initState: initState.ShapeShiftController,
-    })
+    this.shapeshiftController = new ShapeShiftController(undefined, initState.ShapeShiftController)
 
     this.networkController.lookupNetwork()
     this.messageManager = new MessageManager()
@@ -265,7 +263,7 @@ module.exports = class MetamaskController extends EventEmitter {
       PreferencesController: this.preferencesController.store,
       AddressBookController: this.addressBookController,
       CurrencyController: this.currencyController.store,
-      ShapeShiftController: this.shapeshiftController.store,
+      ShapeShiftController: this.shapeshiftController,
       NetworkController: this.networkController.store,
       InfuraController: this.infuraController.store,
       CachedBalancesController: this.cachedBalancesController.store,
@@ -287,7 +285,7 @@ module.exports = class MetamaskController extends EventEmitter {
       RecentBlocksController: this.recentBlocksController.store,
       AddressBookController: this.addressBookController,
       CurrencyController: this.currencyController.store,
-      ShapeshiftController: this.shapeshiftController.store,
+      ShapeshiftController: this.shapeshiftController,
       InfuraController: this.infuraController.store,
       ProviderApprovalController: this.providerApprovalController.store,
     })
@@ -1633,7 +1631,7 @@ module.exports = class MetamaskController extends EventEmitter {
    * @property {string} depositType - An abbreviation of the type of crypto currency to be deposited.
    */
   createShapeShiftTx (depositAddress, depositType) {
-    this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
+    this.shapeshiftController.createTransaction(depositAddress, depositType)
   }
 
   // network