diff --git a/lib/transactions.js b/lib/transactions.js
index 657caa6..505695a 100644
--- a/lib/transactions.js
+++ b/lib/transactions.js
@@ -79,45 +79,29 @@ TxController.prototype.transformTransaction = function(transaction, callback) {
     transformed.vin = txObj.inputs.map(this.transformInput.bind(this));
   }
 
-  async.map(
-    Object.keys(txObj.outputs),
-    function(outputIndex, next) {
-      outputIndex = parseInt(outputIndex);
-      var output = txObj.outputs[outputIndex];
-      self.transformOutput(txid, output, outputIndex, next);
-    },
-    function(err, vout) {
-      if (err) {
-        return callback(err);
-      }
+  transformed.vout = transaction.outputs.map(this.transformOutput.bind(this));
 
-      transformed.vout = vout;
+  transformed.blockhash = transaction.__blockHash;
+  transformed.blockheight = transaction.__height;
+  transformed.confirmations = confirmations;
+  var time = transaction.__timestamp ? transaction.__timestamp : Math.round(Date.now() / 1000);
+  transformed.time = time;
+  if (transformed.confirmations) {
+    transformed.blocktime = transformed.time;
+  }
 
-      transformed.blockhash = transaction.__blockHash;
-      transformed.blockheight = transaction.__height;
-      transformed.confirmations = confirmations;
-      var time = transaction.__timestamp ? transaction.__timestamp : Math.round(Date.now() / 1000);
-      transformed.time = time;
-      if (transformed.confirmations) {
-        transformed.blocktime = transformed.time;
-      }
+  if(transaction.isCoinbase()) {
+    transformed.isCoinBase = true;
+  }
 
-      if(transaction.isCoinbase()) {
-        transformed.isCoinBase = true;
-      }
-
-      transformed.valueOut = transaction.outputAmount / 1e8;
-      transformed.size = transaction.toBuffer().length;
-      if(transaction.hasAllUtxoInfo()) {
-        transformed.valueIn = transaction.inputAmount / 1e8;
-        transformed.fees = transaction.getFee() / 1e8;
-      }
-
-      callback(null, transformed);
-
-    }
-  );
+  transformed.valueOut = transaction.outputAmount / 1e8;
+  transformed.size = transaction.toBuffer().length;
+  if(transaction.hasAllUtxoInfo()) {
+    transformed.valueIn = transaction.inputAmount / 1e8;
+    transformed.fees = transaction.getFee() / 1e8;
+  }
 
+  callback(null, transformed);
 };
 
 TxController.prototype.transformInput = function(input, index) {
@@ -147,25 +131,20 @@ TxController.prototype.transformInput = function(input, index) {
   return transformed;
 };
 
-TxController.prototype.transformOutput = function(txid, output, index, callback) {
-  var self = this;
+TxController.prototype.transformOutput = function(output, index) {
   var transformed = {
     value: (output.satoshis / 1e8).toFixed(8),
     n: index,
     scriptPubKey: {
-      hex: output.script,
+      hex: output._scriptBuffer.toString('hex'),
       //reqSigs: null, // TODO
-    }
+    },
+    spentTxId: output.__spentTxId,
+    spentIndex: output.__spentIndex
     //spentTs: undefined // TODO
   };
 
-  var script;
-  try {
-    // Output scripts can be invalid, so we need to try/catch
-    script = new bitcore.Script(output.script);
-  } catch (err) {
-    script = false;
-  }
+  var script = output.script;
   if (script) {
     transformed.scriptPubKey.asm = script.toASM();
     var address = script.toAddress(this.node.network);
@@ -174,26 +153,7 @@ TxController.prototype.transformOutput = function(txid, output, index, callback)
       transformed.scriptPubKey.type = address.type;
     }
   }
-
-  var options = {
-    queryMempool: true
-  };
-
-  self.node.services.bitcoind.getInputForOutput(
-    txid,
-    index,
-    options,
-    function(err, inputResult) {
-      if (err) {
-        return callback(err);
-      }
-      if (inputResult) {
-        transformed.spentTxId = inputResult.inputTxId;
-        transformed.spentIndex = inputResult.inputIndex;
-      }
-      callback(null, transformed);
-    }
-  );
+  return transformed;
 };
 
 TxController.prototype.transformInvTransaction = function(transaction) {
@@ -286,11 +246,20 @@ TxController.prototype.list = function(req, res) {
           tx.__height = blockInfo.height;
           tx.__timestamp = block.header.time;
 
+          // get previous outputs
           tx.populateInputs(self.node.services.bitcoind, [], function(err) {
             if(err) {
-              return next(err);
+              return common.handleErrors(err, res);
             }
-            self.transformTransaction(tx, next);
+
+            // get spent info
+            tx.populateSpentInfo(self.node.services.bitcoind, {}, function(err) {
+              if (err) {
+                return common.handleErrors(err, res);
+              }
+              self.transformTransaction(tx, next);
+            });
+
           });
         }, function(err, transformed) {
           if(err) {