Merge pull request #75 from matiu/opt/signing

speed up in signing

lib/model/txproposal.js

@@ -158,8 +158,7 @@ TxProposal.prototype._addSignaturesToBitcoreTx = function(t, signatures, xpub) {
   if (signatures.length != this.inputs.length)
     throw new Error('Number of signatures does not match number of inputs');
 
-  var oks = 0,
-    i = 0,
+  var i = 0,
     x = new Bitcore.HDPublicKey(xpub);
 
   _.each(signatures, function(signatureHex) {
@@ -173,14 +172,12 @@ TxProposal.prototype._addSignaturesToBitcoreTx = function(t, signatures, xpub) {
         sigtype: Bitcore.crypto.Signature.SIGHASH_ALL,
         publicKey: pub,
       };
+      t.inputs[i].addSignature(t,s);
       i++;
-
-      t.applySignature(s);
-      oks++;
     } catch (e) {};
   });
 
-  if (oks != t.inputs.length)
+  if (i != t.inputs.length)
     throw new Error('Wrong signatures');
 };