1 files changed, 0 insertions, 120 deletions
diff --git a/app/scripts/controllers/computed-balances.js b/app/scripts/controllers/computed-balances.js
deleted file mode 100644
index caa061df4..000000000
--- a/app/scripts/controllers/computed-balances.js
+++ /dev/null
@@ -1,120 +0,0 @@
-const ObservableStore = require('obs-store')
-const extend = require('xtend')
-const BalanceController = require('./balance')
-
-/**
- * @typedef {Object} ComputedBalancesOptions
- * @property {Object} accountTracker Account tracker store reference
- * @property {Object} txController Token controller reference
- * @property {Object} blockTracker Block tracker reference
- * @property {Object} initState Initial state to populate this internal store with
- */
-
-/**
- * Background controller responsible for syncing
- * and computing ETH balances for all accounts
- */
-class ComputedbalancesController {
-  /**
-   * Creates a new controller instance
-   *
-   * @param {ComputedBalancesOptions} [opts] Controller configuration parameters
-   */
-  constructor (opts = {}) {
-    const { accountTracker, txController, blockTracker } = opts
-    this.accountTracker = accountTracker
-    this.txController = txController
-    this.blockTracker = blockTracker
-
-    const initState = extend({
-      computedBalances: {},
-    }, opts.initState)
-    this.store = new ObservableStore(initState)
-    this.balances = {}
-
-    this._initBalanceUpdating()
-  }
-
-  /**
-   * Updates balances associated with each internal address
-   */
-  updateAllBalances () {
-    Object.keys(this.balances).forEach((balance) => {
-      const address = balance.address
-      this.balances[address].updateBalance()
-    })
-  }
-
-  /**
-   * Initializes internal address tracking
-   *
-   * @private
-   */
-  _initBalanceUpdating () {
-    const store = this.accountTracker.store.getState()
-    this.syncAllAccountsFromStore(store)
-    this.accountTracker.store.subscribe(this.syncAllAccountsFromStore.bind(this))
-  }
-
-  /**
-   * Uses current account state to sync and track all
-   * addresses associated with the current account
-   *
-   * @param {{ accounts: Object }} store Account tracking state
-   */
-  syncAllAccountsFromStore (store) {
-    const upstream = Object.keys(store.accounts)
-    const balances = Object.keys(this.balances)
-      .map(address => this.balances[address])
-
-    // Follow new addresses
-    for (const address in balances) {
-      this.trackAddressIfNotAlready(address)
-    }
-
-    // Unfollow old ones
-    balances.forEach(({ address }) => {
-      if (!upstream.includes(address)) {
-        delete this.balances[address]
-      }
-    })
-  }
-
-  /**
-   * Conditionally establishes a new subscription
-   * to track an address associated with the current
-   * account
-   *
-   * @param {string} address Address to conditionally subscribe to
-   */
-  trackAddressIfNotAlready (address) {
-    const state = this.store.getState()
-    if (!(address in state.computedBalances)) {
-      this.trackAddress(address)
-    }
-  }
-
-  /**
-   * Establishes a new subscription to track an
-   * address associated with the current account
-   *
-   * @param {string} address Address to conditionally subscribe to
-   */
-  trackAddress (address) {
-    const updater = new BalanceController({
-      address,
-      accountTracker: this.accountTracker,
-      txController: this.txController,
-      blockTracker: this.blockTracker,
-    })
-    updater.store.subscribe((accountBalance) => {
-      const newState = this.store.getState()
-      newState.computedBalances[address] = accountBalance
-      this.store.updateState(newState)
-    })
-    this.balances[address] = updater
-    updater.updateBalance()
-  }
-}
-
-module.exports = ComputedbalancesController