diff --git a/lib/bcoin/txdb.js b/lib/bcoin/txdb.js
index 09424a07..efdbba0f 100644
--- a/lib/bcoin/txdb.js
+++ b/lib/bcoin/txdb.js
@@ -755,7 +755,7 @@ TXDB.prototype._confirm = function _confirm(tx, map, callback, force) {
           if (err)
             return callback(err);
 
-          self.emit('confirmed');
+          self.emit('confirmed', tx, map);
           self.emit('tx', tx, map);
 
           return callback(null, true);
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 27afcf72..bd6a7f1d 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -497,6 +497,9 @@ Wallet.prototype.fill = function fill(tx, options, callback) {
       account = self.account;
     }
 
+    if (!account.initialized)
+      return callback(new Error('Account is not initialized.'));
+
     self.getCoins(options.account, function(err, coins) {
       if (err)
         return callback(err);
@@ -689,34 +692,25 @@ Wallet.prototype.getPath = function getPath(address, callback) {
 Wallet.prototype.getInputPaths = function getInputPaths(tx, callback) {
   var self = this;
   var paths = [];
+  var hashes;
 
   if (tx instanceof bcoin.input) {
     if (!tx.coin)
       return callback(new Error('Not all coins available.'));
-
-    return this.getPath(tx.coin.getHash(), function(err, path) {
-      if (err)
-        return callback(err);
-
-      if (path)
-        paths.push(path);
-
-      return callback(null, paths);
-    });
+    hashes = [tx.coin.getHash()];
+  } else {
+    if (!tx.hasCoins())
+      return callback(new Error('Not all coins available.'));
+    hashes = tx.getInputHashes();
   }
 
-  if (!tx.hasCoins())
-    return next(new Error('Not all coins available.'));
-
-  utils.forEachSerial(tx.getInputHashes(), function(hash, next, i) {
+  utils.forEachSerial(hashes, function(hash, next, i) {
     self.getPath(hash, function(err, path) {
       if (err)
         return next(err);
 
-      if (!path)
-        return next();
-
-      paths.push(path);
+      if (path)
+        paths.push(path);
 
       return next();
     });
@@ -736,26 +730,20 @@ Wallet.prototype.getInputPaths = function getInputPaths(tx, callback) {
 Wallet.prototype.getOutputPaths = function getOutputPaths(tx, callback) {
   var self = this;
   var paths = [];
+  var hashes;
 
-  if (tx instanceof bcoin.output) {
-    return this.getPath(tx.getHash(), function(err, path) {
-      if (err)
-        return callback(err);
-      if (path)
-        paths.push(path);
-      return callback(null, paths);
-    });
-  }
+  if (tx instanceof bcoin.output)
+    hashes = [tx.getHash()];
+  else
+    hashes = tx.getOutputHashes();
 
-  utils.forEachSerial(tx.getOutputHashes(), function(hash, next, i) {
+  utils.forEachSerial(hashes, function(hash, next, i) {
     self.getPath(hash, function(err, path) {
       if (err)
         return next(err);
 
-      if (!path)
-        return next();
-
-      paths.push(path);
+      if (path)
+        paths.push(path);
 
       return next();
     });
@@ -1183,6 +1171,8 @@ Wallet.prototype.getTimeRange = function getTimeRange(account, options, callback
  */
 
 Wallet.prototype.getPublicKey = function getPublicKey(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getPublicKey(enc);
 };
 
@@ -1192,6 +1182,8 @@ Wallet.prototype.getPublicKey = function getPublicKey(enc) {
  */
 
 Wallet.prototype.getScript = function getScript() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getScript();
 };
 
@@ -1202,6 +1194,8 @@ Wallet.prototype.getScript = function getScript() {
  */
 
 Wallet.prototype.getScriptHash = function getScriptHash(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getScriptHash(enc);
 };
 
@@ -1212,6 +1206,8 @@ Wallet.prototype.getScriptHash = function getScriptHash(enc) {
  */
 
 Wallet.prototype.getScriptHash160 = function getScriptHash160(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getScriptHash160(enc);
 };
 
@@ -1222,6 +1218,8 @@ Wallet.prototype.getScriptHash160 = function getScriptHash160(enc) {
  */
 
 Wallet.prototype.getScriptHash256 = function getScriptHash256(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getScriptHash256(enc);
 };
 
@@ -1231,6 +1229,8 @@ Wallet.prototype.getScriptHash256 = function getScriptHash256(enc) {
  */
 
 Wallet.prototype.getScriptAddress = function getScriptAddress() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getScriptAddress();
 };
 
@@ -1240,6 +1240,8 @@ Wallet.prototype.getScriptAddress = function getScriptAddress() {
  */
 
 Wallet.prototype.getProgram = function getProgram() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getProgram();
 };
 
@@ -1251,6 +1253,8 @@ Wallet.prototype.getProgram = function getProgram() {
  */
 
 Wallet.prototype.getProgramHash = function getProgramHash(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getProgramHash(enc);
 };
 
@@ -1261,6 +1265,8 @@ Wallet.prototype.getProgramHash = function getProgramHash(enc) {
  */
 
 Wallet.prototype.getProgramAddress = function getProgramAddress() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getProgramAddress();
 };
 
@@ -1271,6 +1277,8 @@ Wallet.prototype.getProgramAddress = function getProgramAddress() {
  */
 
 Wallet.prototype.getKeyHash = function getKeyHash(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getKeyHash(enc);
 };
 
@@ -1280,6 +1288,8 @@ Wallet.prototype.getKeyHash = function getKeyHash(enc) {
  */
 
 Wallet.prototype.getKeyAddress = function getKeyAddress() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getKeyAddress();
 };
 
@@ -1290,6 +1300,8 @@ Wallet.prototype.getKeyAddress = function getKeyAddress() {
  */
 
 Wallet.prototype.getHash = function getHash(enc) {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getHash(enc);
 };
 
@@ -1299,6 +1311,8 @@ Wallet.prototype.getHash = function getHash(enc) {
  */
 
 Wallet.prototype.getAddress = function getAddress() {
+  if (!this.receiveAddress)
+    return;
   return this.receiveAddress.getAddress();
 };
 
@@ -1355,22 +1369,32 @@ Wallet.prototype.__defineGetter__('address', function() {
 });
 
 Wallet.prototype.__defineGetter__('receiveDepth', function() {
+  if (!this.account)
+    return -1;
   return this.account.receiveDepth;
 });
 
 Wallet.prototype.__defineGetter__('changeDepth', function() {
+  if (!this.account)
+    return -1;
   return this.account.changeDepth;
 });
 
 Wallet.prototype.__defineGetter__('accountKey', function() {
+  if (!this.account)
+    return;
   return this.account.accountKey;
 });
 
 Wallet.prototype.__defineGetter__('receiveAddress', function() {
+  if (!this.account)
+    return;
   return this.account.receiveAddress;
 });
 
 Wallet.prototype.__defineGetter__('changeAddress', function() {
+  if (!this.account)
+    return;
   return this.account.changeAddress;
 });
 
@@ -1578,9 +1602,6 @@ function Account(options) {
   if (!this.name)
     this.name = this.accountIndex + '';
 
-  // Non-alphanumeric IDs will break leveldb sorting.
-  assert(/^[a-zA-Z0-9]+$/.test(this.name), 'Account IDs must be alphanumeric.');
-
   this.pushKey(this.accountKey);
 
   if (options.keys) {