Optionally disable outputs shuffling for createTx

lib/model/txproposal.js

@@ -36,7 +36,10 @@ TxProposal.create = function(opts) {
   x.outputs = _.map(opts.outputs, function(output) {
     return _.pick(output, ['amount', 'toAddress', 'message', 'script']);
   });
-  x.outputOrder = _.shuffle(_.range(x.outputs.length + 1));
+  x.outputOrder = _.range(x.outputs.length + 1);
+  if (!opts.noShuffleOutputs) {
+    x.outputOrder = _.shuffle(x.outputOrder);
+  }
   x.walletM = opts.walletM;
   x.walletN = opts.walletN;
   x.requiredSignatures = x.walletM;

lib/server.js

@@ -1926,6 +1926,7 @@ WalletService.prototype.createTx = function(opts, cb) {
           customData: opts.customData,
           inputs: opts.inputs,
           fee: opts.inputs && !_.isNumber(opts.feePerKb) ? opts.fee : null,
+          noShuffleOutputs: opts.noShuffleOutputs
         };
 
         txp = Model.TxProposal.create(txOpts);