feat: allow passing proxy to createRpcStream

client.js

@@ -18,8 +18,8 @@ module.exports = function (opts) {
     db.emit('flush')
   }
 
-  function connect (opts) {
-    return down.createRpcStream(opts, null)
+  function connect (opts, proxy) {
+    return down.createRpcStream(opts, proxy)
   }
 
   function isFlushed () {

leveldown.js

@@ -229,7 +229,9 @@ Multilevel.prototype._close = function (cb) {
 
   this._clearRequests(true)
   if (this._streaming) {
-    this._streaming.once('close', cb)
+    // _streaming: could be a socket and emit 'close' with a
+    // hadError argument.
+    this._streaming.once('close', () => cb())
     this._streaming.destroy()
   } else {
     process.nextTick(cb)