changes

src/main.rs

@@ -27,6 +27,25 @@ struct Trader {
     balances: HashMap<usize,FiNum>, // Maps Currency to Amount
     }
 
+struct Asset {
+    name: String,
+    royalty0_rate: FiNum,	// Traders get this when entered
+    royalty1_rate: FiNum,	// Traders get this when executed
+    commission0_rate: FiNum,    // House gets this when entered
+    commission1_rate: FiNum,    // House gets this when executed
+    }
+
+impl Asset {
+    fn new(name: &str) -> Self {
+        Asset {
+	    name: String::from(name),
+	    royalty0_rate:FiNum::zero(),
+	    royalty1_rate:FiNum::zero(),
+	    commission0_rate:FiNum::zero(),
+	    commission1_rate:FiNum::zero(),
+	    }
+	}
+    }
 impl Trader {
     fn new(name:&str,id:usize) -> Self {
         Trader {
@@ -195,32 +214,32 @@ impl Dumpable for Order {
 
 struct Market {
     asset_name2num: HashMap<String,usize>,
-    asset_num2name: HashMap<usize,String>,
-    asset_count:usize,
+    assets: Vec<Asset>,
     money_supply: HashMap<usize,FiNum>,
     traders: Vec<Trader>,
     trader_name2num: HashMap<String,usize>,
     orders: HashMap<(usize,usize),PQueue<Rc<RefCell<Order>>>>,
     royalties: HashMap<usize,RoyaltyTree>, // Active orders that are accepting asset X. They receive royalties when someone makes an order to sell X
+    royalty_rate: HashMap<usize,FiNum>,
     }
 
 impl Market {
     fn new() -> Self {
         let mut rval=Market {
             asset_name2num: HashMap::new(),
-            asset_num2name: HashMap::new(),
-            asset_count:0,
+	    assets: Vec::new(),
             money_supply: HashMap::new(),
-            orders: HashMap::new(),
-            royalties: HashMap::new(),
             traders: Vec::new(),
             trader_name2num: HashMap::new(),
+            orders: HashMap::new(),
+            royalties: HashMap::new(),
+	    royalty_rate: HashMap::new(),
             };
         rval.register_trader("*NONE*");
         rval
         }
-    fn distribute_royalty(&self, amount:FiNum) {
-        
+    fn number_to_name(&self, n: usize) -> String {
+        self.assets[n].name.clone()
 	}
     fn sanity_check(&self) {
         println!("Sanity Checking Market...");
@@ -252,18 +271,14 @@ impl Market {
         *self.money_supply.get_mut(&cur).unwrap()-=delta;
         }
     fn register_asset(&mut self, name:&str) -> usize {
-        self.asset_count+=1;
-        self.asset_name2num.insert(String::from(name),self.asset_count);
-        self.asset_num2name.insert(self.asset_count,String::from(name));
-        self.money_supply.insert(self.asset_count,FiNum::new(0));
-        self.asset_count
+        self.assets.push(Asset::new(name));
+        self.asset_name2num.insert(String::from(name),self.assets.len()-1);
+        self.money_supply.insert(self.assets.len()-1,FiNum::new(0));
+        self.assets.len()-1
         }
     fn name_to_number(&self, name:&str) -> usize {
         *self.asset_name2num.get(name).unwrap()
         }
-    fn number_to_name(&self, num:usize) -> &str {
-        &*self.asset_num2name.get(&num).unwrap()
-        }
     fn dump(&self) {
         println!("Dumping Market:");
         for t in &self.traders {
@@ -312,10 +327,11 @@ impl Market {
             let bids=self.orders.get_mut(&ap).unwrap();
             let sell_qty_remain=sell_qty_initial*buy_qty/buy_qty_initial;
             if sell_qty_remain>0.into() {
-//                self.royalties.entry(sell_type).or_insert(RoyaltyTree::new()).insert(sell_qty_remain);
-//                let rt_loc=self.royalties.get(&sell_type).unwrap().tree.len();
+                let rt=self.royalties.entry(buy_type).or_insert(RoyaltyTree::new());
+		rt.add_weight(rt.next_entry,buy_qty); // Weight should really be the quantity you would be able to immediately transact rather than how much you wish for.
                 let neworder=Rc::new(RefCell::new(
-                    Order { owner:owner, sell_qty:sell_qty_remain, sell_remain:sell_qty_remain, buy_qty:buy_qty, rt_loc: 0 } ));
+                    Order { owner:owner, sell_qty:sell_qty_remain, sell_remain:sell_qty_remain, buy_qty:buy_qty, rt_loc: rt.next_entry } ));
+		rt.next_entry+=1;
                 bids.insert(neworder);
                 self.traders[owner as usize].sub_balance(sell_type,sell_qty_remain);
                 }