Merge pull request #4279 from MetaMask/network-remove-provider-engine

Enhancement: New BlockTracker and Json-Rpc-Engine based Provider

1 files changed, 0 insertions, 42 deletions

diff --git a/app/scripts/lib/events-proxy.js b/app/scripts/lib/events-proxy.js
deleted file mode 100644
index f83773ccc..000000000
--- a/app/scripts/lib/events-proxy.js
+++ /dev/null
@@ -1,42 +0,0 @@
-/**
- * Returns an EventEmitter that proxies events from the given event emitter
- * @param {any} eventEmitter
- * @param {object} listeners - The listeners to proxy to
- * @returns {any}
- */
-module.exports = function createEventEmitterProxy (eventEmitter, listeners) {
-  let target = eventEmitter
-  const eventHandlers = listeners || {}
-  const proxy = /** @type {any} */ (new Proxy({}, {
-    get: (_, name) => {
-      // intercept listeners
-      if (name === 'on') return addListener
-      if (name === 'setTarget') return setTarget
-      if (name === 'proxyEventHandlers') return eventHandlers
-      return (/** @type {any} */ (target))[name]
-    },
-    set: (_, name, value) => {
-      target[name] = value
-      return true
-    },
-  }))
-  function setTarget (/** @type {EventEmitter} */ eventEmitter) {
-    target = eventEmitter
-    // migrate listeners
-    Object.keys(eventHandlers).forEach((name) => {
-      /** @type {Array<Function>} */ (eventHandlers[name]).forEach((handler) => target.on(name, handler))
-    })
-  }
-  /**
-   * Attaches a function to be called whenever the specified event is emitted
-   * @param {string} name
-   * @param {Function} handler
-   */
-  function addListener (name, handler) {
-    if (!eventHandlers[name]) eventHandlers[name] = []
-    eventHandlers[name].push(handler)
-    target.on(name, handler)
-  }
-  if (listeners) proxy.setTarget(eventEmitter)
-  return proxy
-}