chiark / gitweb /
arbitrage seems to work now; need to remove debugging printfs
authorIan Jackson <ian@liberator.relativity.greenend.org.uk>
Sat, 4 Sep 2010 18:55:25 +0000 (19:55 +0100)
committerIan Jackson <ian@liberator.relativity.greenend.org.uk>
Sat, 4 Sep 2010 18:55:25 +0000 (19:55 +0100)
src/com/tedpearson/ypp/market/MarketUploader.java

index 11f085b..df87f43 100644 (file)
@@ -39,6 +39,7 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
        private Window window = null;
        private JButton findMarket = null;
        private JLabel resultSummary = null;
+       private JLabel arbitrageResult = null;
 
        private final static String PCTB_LIVE_HOST_URL = "http://pctb.crabdance.com/";
        private final static String PCTB_TEST_HOST_URL = "http://pctb.ilk.org/";
@@ -252,7 +253,8 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
                }
                frame = new JFrame("MarketUploader");
                frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-               frame.getContentPane().setLayout(new GridLayout(2,1));
+               GridLayout layout = new GridLayout(2,1);
+               frame.getContentPane().setLayout(layout);
                //frame.setPreferredSize(new Dimension(200, 60));
                
                findMarket = new JButton("Upload Market Data");
@@ -262,6 +264,7 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
                                new Thread() {
                                        public void run() {
                                                resultSummary.setText("");
+                                               arbitrageResult.setText("");
                                                try {
                                                        runPCTB();
                                                } catch(Exception e) {
@@ -285,6 +288,13 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
                resultSummary = new JLabel("ready");
                frame.add(resultSummary);
                
+               arbitrageResult = new JLabel("");
+
+               if (showArbitrage) {
+                   layout.setRows(layout.getRows() + 1);
+                   frame.add(arbitrageResult);
+               }
+
                frame.pack();
        }
        
@@ -994,19 +1004,28 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
        while (true) {
            int[] buy, sell;
            try {
-               buy = buys.first();
+               // NB "sell" means they sell, ie we buy
                sell = sells.last();
+               buy = buys.first();
            } catch (NoSuchElementException e) {
                break;
            }
+
+           int unitprofit = buy[0] - sell[0];
            int count = buy[1] < sell[1] ? buy[1] : sell[1];
-           System.out.println(" buy @"+buy[0]+" x"+buy[1]+" sell @"+sell[0]+" x"+sell[1]+" => x"+count);
-           profit += count * (buy[0] - sell[0]);
+           System.out.println(" sell @"+sell[0]+" x"+sell[1]+" buy @"+buy[0]+" x"+buy[1]
+                              +" => x"+count+" @"+unitprofit);
+
+           if (unitprofit <= 0)
+               break;
+           
+           profit += count * unitprofit;
            buy[1] -= count;
            sell[1] -= count;
            if (buy[1]==0) buys.remove(buy);
-           if (sell[1]==0) buys.remove(sell);
+           if (sell[1]==0) sells.remove(sell);
        }
+       System.out.println(" PROFIT "+profit);
        return profit;
     }
 
@@ -1050,6 +1069,11 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
            }
        }
        arbitrage += calculateArbitrageCommodity(arb_bs);
+       if (arbitrage != 0) {
+           arbitrageResult.setText("arbitrage: "+arbitrage+" poe");
+       } else {
+           arbitrageResult.setText("no arbitrage");
+       }
     }
     
 }