diff --git a/lib/net/proxysocket.js b/lib/net/proxysocket.js
index 6ee3e7a7..2c988591 100644
--- a/lib/net/proxysocket.js
+++ b/lib/net/proxysocket.js
@@ -2,6 +2,7 @@
 
 var bcoin = require('../env');
 var utils = bcoin.utils;
+var crypto = require('../crypto/crypto');
 var BufferWriter = require('../utils/writer');
 var assert = utils.assert;
 var EventEmitter = require('events').EventEmitter;
@@ -28,6 +29,8 @@ function ProxySocket(uri) {
   this._init();
 }
 
+utils.inherits(ProxySocket, EventEmitter);
+
 ProxySocket.prototype._init = function _init() {
   var self = this;
 
@@ -82,8 +85,6 @@ ProxySocket.prototype._init = function _init() {
   });
 };
 
-utils.inherits(ProxySocket, EventEmitter);
-
 ProxySocket.prototype.connect = function connect(port, host) {
   var nonce = 0;
   var i, pow;
@@ -115,7 +116,7 @@ ProxySocket.prototype.connect = function connect(port, host) {
       nonce++;
       assert(nonce <= 0xffffffff, 'Could not create socket.');
       pow.writeUInt32LE(nonce, 0, true);
-    } while (utils.cmp(utils.dsha256(pow), this.target) > 0);
+    } while (utils.cmp(crypto.hash256(pow), this.target) > 0);
 
     utils.log('Solved proof of work: %d', nonce);
   }
@@ -129,13 +130,13 @@ ProxySocket.prototype.connect = function connect(port, host) {
 };
 
 ProxySocket.prototype.write = function write(data) {
-  this.bytesWritten += data.length;
-
   if (!this.info) {
     this.sendBuffer.push(data);
     return true;
   }
 
+  this.bytesWritten += data.length;
+
   this.socket.emit('tcp data', data.toString('hex'));
 
   return true;