get bcoin working on windows.

bin/node

@@ -19,7 +19,7 @@ var node = new bcoin.fullnode({
 });
 
 node.on('error', function(err) {
-  bcoin.debug(err.stack + '');
+  bcoin.error(err);
 });
 
 node.open(function(err) {

lib/bcoin/env.js

@@ -209,7 +209,7 @@ Environment.prototype.set = function set(options) {
 
   options.prefix = options.prefix
     || process.env.BCOIN_PREFIX
-    || process.env.HOME + '/.bcoin';
+    || utils.HOME + '/.bcoin';
 
   options.network = options.network
     || process.env.BCOIN_NETWORK
@@ -286,7 +286,10 @@ Environment.prototype.ensurePrefix = function ensurePrefix() {
   try {
     fs.statSync(this.prefix);
   } catch (e) {
-    fs.mkdirSync(this.prefix, 488 /* 0750 */);
+    if (e.code === 'ENOENT')
+      fs.mkdirSync(this.prefix, 488 /* 0750 */);
+    else
+      throw e;
   }
 };
 
@@ -318,15 +321,63 @@ Environment.prototype.debug = function debug() {
   }
 
   if (this.debugFile) {
-    if (!this._debug) {
-      this.ensurePrefix();
-      this._debug = fs.createWriteStream(this.debugFile, { flags: 'a' });
-    }
     msg = utils.format(args, false);
-    this._debug.write(process.pid + ': ' + msg + '\n');
+    this.write(msg);
   }
 };
 
+/**
+ * Output an error.
+ * @param {Error} err
+ */
+
+Environment.prototype.error = function error(err) {
+  var msg;
+
+  if (!err)
+    return;
+
+  if (typeof err === 'string')
+    err = new Error(err);
+
+  if (this.isBrowser) {
+    if (this.debugLogs)
+      console.error(err);
+    return;
+  }
+
+  if (this.debugLogs) {
+    msg = (err.message + '').replace(/^ *Error: */, '');
+
+    if (process.stdout && process.stdout.isTTY)
+      msg = '\x1b[1;31m[Error]\x1b[m ' + msg;
+    else
+      msg = '[Error] ' + msg;
+
+    process.stderr.write(msg + '\n');
+  }
+
+  if (this.debugFile)
+    this.write(err.stack + '');
+};
+
+/**
+ * Write a message to the debug log.
+ * @param {String} msg
+ */
+
+Environment.prototype.write = function write(msg) {
+  if (this.isBrowser)
+    return;
+
+  if (!this._debug) {
+    this.ensurePrefix();
+    this._debug = fs.createWriteStream(this.debugFile, { flags: 'a' });
+  }
+
+  this._debug.write(process.pid + ': ' + msg + '\n');
+};
+
 /**
  * Get the adjusted time.
  * @returns {Number} Adjusted time.

lib/bcoin/pool.js

@@ -1430,7 +1430,7 @@ Pool.prototype.searchWallet = function(wallet, callback) {
 
       self.chain.reset(height, function(err) {
         if (err) {
-          bcoin.debug('Failed to reset height: %s', err.message);
+          bcoin.error(err);
           return callback(err);
         }
 
@@ -1452,7 +1452,7 @@ Pool.prototype.searchWallet = function(wallet, callback) {
 
     self.chain.resetTime(ts, function(err) {
       if (err) {
-        bcoin.debug('Failed to reset time: %s', err.message);
+        bcoin.error(err);
         return callback(err);
       }
 

lib/bcoin/utils.js

@@ -37,6 +37,21 @@ if (!utils.isBrowser) {
   aes = require('./aes');
 }
 
+/**
+ * The home directory.
+ * @const {String}
+ */
+
+try {
+  utils.HOME = require('o' + 's').homedir();
+} catch (e) {
+  utils.HOME = process.env.HOME
+    || process.env.USERPROFILE
+    || process.env.HOMEPATH;
+}
+
+assert(typeof utils.HOME === 'string');
+
 /**
  * Global NOP function.
  * @type function