diff --git a/browser/wsproxy.js b/browser/wsproxy.js
index 8d25738c..22f7b0b9 100644
--- a/browser/wsproxy.js
+++ b/browser/wsproxy.js
@@ -61,7 +61,7 @@ WSProxy.prototype.handleSocket = function handleSocket(ws) {
     this.emit('error', err);
   });
 
-  ws.listen('tcp connect', (port, host, nonce) => {
+  ws.bind('tcp connect', (port, host, nonce) => {
     this.handleConnect(ws, port, host, nonce);
   });
 };
@@ -184,33 +184,33 @@ WSProxy.prototype.handleConnect = function handleConnect(ws, port, host, nonce)
     ws.destroy();
   });
 
-  ws.listen('tcp data', (data) => {
+  ws.bind('tcp data', (data) => {
     if (typeof data !== 'string')
       return;
     socket.write(Buffer.from(data, 'hex'));
   });
 
-  ws.listen('tcp keep alive', (enable, delay) => {
+  ws.bind('tcp keep alive', (enable, delay) => {
     socket.setKeepAlive(enable, delay);
   });
 
-  ws.listen('tcp no delay', (enable) => {
+  ws.bind('tcp no delay', (enable) => {
     socket.setNoDelay(enable);
   });
 
-  ws.listen('tcp set timeout', (timeout) => {
+  ws.bind('tcp set timeout', (timeout) => {
     socket.setTimeout(timeout);
   });
 
-  ws.listen('tcp pause', () => {
+  ws.bind('tcp pause', () => {
     socket.pause();
   });
 
-  ws.listen('tcp resume', () => {
+  ws.bind('tcp resume', () => {
     socket.resume();
   });
 
-  ws.listen('disconnect', () => {
+  ws.bind('disconnect', () => {
     socket.destroy();
   });
 };
@@ -229,7 +229,7 @@ function SocketState(server, socket) {
   this.target = server.target;
   this.snonce = nonce();
   this.socket = null;
-  this.host = IP.normalize(socket.conn.remoteAddress);
+  this.host = socket.host;
   this.remoteHost = null;
 }
 
diff --git a/lib/net/bip150.js b/lib/net/bip150.js
index 0a1ee204..e3be95a9 100644
--- a/lib/net/bip150.js
+++ b/lib/net/bip150.js
@@ -12,18 +12,18 @@ const assert = require('assert');
 const path = require('path');
 const EventEmitter = require('events');
 const fs = require('bfile');
-const co = require('../utils/co');
+const IP = require('binet');
+const Logger = require('blgr');
+const ccmp = require('bcrypto/lib/ccmp');
 const digest = require('bcrypto/lib/digest');
 const random = require('bcrypto/lib/random');
-const ccmp = require('bcrypto/lib/ccmp');
-const packets = require('./packets');
 const secp256k1 = require('bcrypto/lib/secp256k1');
 const StaticWriter = require('bbuf/lib/staticwriter');
-const base58 = require('bstr/lib/base58');
 const encoding = require('bbuf/lib/encoding');
-const IP = require('binet');
+const base58 = require('bstr/lib/base58');
+const co = require('../utils/co');
+const packets = require('./packets');
 const dns = require('./dns');
-const Logger = require('blgr');
 
 /**
  * Represents a BIP150 input/output stream.
diff --git a/lib/net/proxysocket.js b/lib/net/proxysocket.js
index 61ccfb9d..769db5d7 100644
--- a/lib/net/proxysocket.js
+++ b/lib/net/proxysocket.js
@@ -38,7 +38,7 @@ function ProxySocket(uri) {
 Object.setPrototypeOf(ProxySocket.prototype, EventEmitter.prototype);
 
 ProxySocket.prototype._init = function _init() {
-  this.socket.listen('info', (info) => {
+  this.socket.bind('info', (info) => {
     if (this.closed)
       return;
 
@@ -56,7 +56,7 @@ ProxySocket.prototype._init = function _init() {
     console.error(err);
   });
 
-  this.socket.listen('tcp connect', (addr, port) => {
+  this.socket.bind('tcp connect', (addr, port) => {
     if (this.closed)
       return;
     this.remoteAddress = addr;
@@ -64,7 +64,7 @@ ProxySocket.prototype._init = function _init() {
     this.emit('connect');
   });
 
-  this.socket.listen('tcp data', (data) => {
+  this.socket.bind('tcp data', (data) => {
     data = Buffer.from(data, 'hex');
     if (this.paused) {
       this.recvBuffer.push(data);
@@ -74,24 +74,24 @@ ProxySocket.prototype._init = function _init() {
     this.emit('data', data);
   });
 
-  this.socket.listen('tcp close', (data) => {
+  this.socket.bind('tcp close', (data) => {
     if (this.closed)
       return;
     this.closed = true;
     this.emit('close');
   });
 
-  this.socket.listen('tcp error', (e) => {
+  this.socket.bind('tcp error', (e) => {
     const err = new Error(e.message);
     err.code = e.code;
     this.emit('error', err);
   });
 
-  this.socket.listen('tcp timeout', () => {
+  this.socket.bind('tcp timeout', () => {
     this.emit('timeout');
   });
 
-  this.socket.listen('disconnect', () => {
+  this.socket.bind('disconnect', () => {
     if (this.closed)
       return;
     this.closed = true;
diff --git a/lib/net/socks.js b/lib/net/socks.js
index 80fa5c19..1a462c71 100644
--- a/lib/net/socks.js
+++ b/lib/net/socks.js
@@ -610,7 +610,7 @@ Proxy.prototype.connect = async function connect(port, host) {
   });
 
   for (const op of this.ops)
-    op.call(this);
+    op();
 
   this.ops.length = 0;
 
diff --git a/lib/node/node.js b/lib/node/node.js
index b0f510f5..484e86cb 100644
--- a/lib/node/node.js
+++ b/lib/node/node.js
@@ -8,13 +8,12 @@
 'use strict';
 
 const assert = require('assert');
-const AsyncObject = require('../utils/asyncobject');
-const util = require('../utils/util');
-const Network = require('../protocol/network');
+const fs = require('bfile');
 const Logger = require('blgr');
-const WorkerPool = require('../workers/workerpool');
-const secp256k1 = require('bcrypto/lib/secp256k1');
 const Config = require('bcfg');
+const Network = require('../protocol/network');
+const AsyncObject = require('../utils/asyncobject');
+const WorkerPool = require('../workers/workerpool');
 
 /**
  * Base class from which every other
@@ -141,8 +140,11 @@ Node.prototype.init = function init(file) {
  * @returns {Promise}
  */
 
-Node.prototype.ensure = function ensure() {
-  return this.config.ensure();
+Node.prototype.ensure = async function ensure() {
+  if (fs.unsupported)
+    return undefined;
+
+  return fs.mkdirp(this.config.prefix);
 };
 
 /**
@@ -186,7 +188,7 @@ Node.prototype.handlePreopen = async function handlePreopen() {
  */
 
 Node.prototype.handleOpen = async function handleOpen() {
-  this.startTime = util.now();
+  this.startTime = Date.now();
 
   if (!this.workers.enabled) {
     this.logger.warning('Warning: worker pool is disabled.');
@@ -252,7 +254,7 @@ Node.prototype.uptime = function uptime() {
   if (this.startTime === -1)
     return 0;
 
-  return util.now() - this.startTime;
+  return Math.floor((Date.now() - this.startTime) / 1000);
 };
 
 /**
diff --git a/lib/wallet/rpc.js b/lib/wallet/rpc.js
index 51bd83a6..a4cbe281 100644
--- a/lib/wallet/rpc.js
+++ b/lib/wallet/rpc.js
@@ -749,7 +749,13 @@ class RPC extends RPCBase {
     if (fs.unsupported)
       throw new RPCError(errs.INTERNAL_ERROR, 'FS not available.');
 
-    const data = await fs.readFile(file, 'utf8');
+    let data;
+    try {
+      data = await fs.readFile(file, 'utf8');
+    } catch (e) {
+      throw new RPCError(errs.INTERNAL_ERROR, e.code || '');
+    }
+
     const lines = data.split(/\n+/);
     const keys = [];
 
diff --git a/test/bech32-test.js b/test/bech32-test.js
index cb23ae7e..d780956f 100644
--- a/test/bech32-test.js
+++ b/test/bech32-test.js
@@ -27,7 +27,6 @@
 'use strict';
 
 const assert = require('./util/assert');
-const bech32 = require('bstr/lib/bech32');
 const Address = require('../lib/primitives/address');
 
 const validAddresses = [
@@ -94,29 +93,6 @@ const invalidAddresses = [
   'tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv'
 ];
 
-function fromAddress(hrp, addr) {
-  const dec = bech32.decode(addr);
-
-  if (dec.hrp !== hrp)
-    throw new Error('Invalid bech32 prefix or data length.');
-
-  if (dec.version === 0 && dec.hash.length !== 20 && dec.hash.length !== 32)
-    throw new Error('Malformed witness program.');
-
-  return {
-    version: dec.version,
-    program: dec.hash
-  };
-}
-
-function toAddress(hrp, version, program) {
-  const ret = bech32.encode(hrp, version, program);
-
-  fromAddress(hrp, ret);
-
-  return ret;
-}
-
 function createProgram(version, program) {
   const data = Buffer.allocUnsafe(2 + program.length);
   data[0] = version ? version + 0x80 : 0;