dazaar: add support for live streams

lib/orders/submit_trade.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const submitOrder = require('./submit_order')
+const _submitOrder = require('./submit_order')
 const simulateOrderFill = require('./simulate_order_fill')
 const tradeForOrder = require('./trade_for_order')
 
@@ -12,12 +12,27 @@ const tradeForOrder = require('./trade_for_order')
  * @return {Object} res - map of order and trade objects
  */
 module.exports = async (state = {}, orderParams = {}) => {
-  const { ws } = state
-  const backtesting = !ws
+  let {
+    ws,
+    backtesting,
+    submitOrder = _submitOrder,
+    liveStream
+  } = state
 
-  const o = !backtesting
-    ? await submitOrder(state, orderParams)
-    : simulateOrderFill(state, orderParams)
+  // backwards compat
+  if (backtesting !== true || backtesting !== false) {
+    backtesting = !ws
+  }
+
+  let o
+  if (liveStream) {
+    await submitOrder(state, orderParams)
+    o = simulateOrderFill(state, orderParams)
+  } else {
+    o = !backtesting
+      ? await submitOrder(state, orderParams)
+      : simulateOrderFill(state, orderParams)
+  }
 
   const trade = tradeForOrder(state, o, orderParams.label, orderParams.tag)
   const tradeData = { o, trade }