changes
This commit is contained in:
47
src/main.rs
47
src/main.rs
@@ -5,7 +5,7 @@ use std::cmp::Ordering;
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use std::cmp::min;
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use std::rc::Rc;
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use std::ops::DerefMut;
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use std::cell:RefCell;
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use std::cell::RefCell;
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use rand::prelude::*;
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use rand::rngs::StdRng;
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use finum::FiNum;
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@@ -74,9 +74,10 @@ struct Market {
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asset_num2name: HashMap<i32,String>,
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asset_count:i32,
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money_supply: HashMap<i32,FiNum>,
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orders: HashMap<(i32,i32),PQueue<Rc<RefCell<Order>>>>,
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traders: Vec<Trader>,
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trader_name2num: HashMap<String,i32>,
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orders: HashMap<(i32,i32),PQueue<Rc<RefCell<Order>>>>,
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royalties: HashMap<i32,Vec<Rc<RefCell<Order>>>>, // Active orders that are accepting asset X. They receive royalties when someone makes an order to sell X
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}
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impl Market {
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@@ -87,17 +88,20 @@ impl Market {
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asset_count:0,
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money_supply: HashMap::new(),
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orders: HashMap::new(),
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royalties: HashMap::new(),
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traders: Vec::new(),
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trader_name2num: HashMap::new(),
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}
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}
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fn distribute_royalty(&self, amount:FiNum) {
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}
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fn sanity_check(&self) {
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println!("Sanity Checking Market...");
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for (cur,amt) in self.money_supply.iter() {
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println!("Money Supply {}: {}",self.number_to_name(*cur),*amt);
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let mut acc_orders=FiNum::new(0);
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for (ac,pq) in &self.orders { if ac.0==*cur {
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for off in &*pq.v { acc_orders+=off.sell_remain; }
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for off in &*pq.v { acc_orders+=off.borrow().sell_remain; }
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} }
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let mut acc_traders=FiNum::new(0);
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for t in &self.traders { acc_traders+=t.get_balance(*cur); }
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@@ -144,8 +148,9 @@ impl Market {
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for (ap,pq) in &self.orders {
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println!("Orders selling {} to buy {}:",self.number_to_name(ap.0),self.number_to_name(ap.1));
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let mut sorted=pq.v.clone();
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sorted.sort_by(|a,b| (a.sell_qty/a.buy_qty).cmp(&(b.sell_qty/b.buy_qty)));
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sorted.sort_by(|a,b| { let a=a.borrow(); let b=b.borrow(); (a.sell_qty/a.buy_qty).cmp(&(b.sell_qty/b.buy_qty)) });
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for off in sorted.iter() {
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let off=off.borrow();
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println!(" {} @ {} ({})",
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off.sell_remain, // off.buy_qty*off.sell_remain/off.sell_qty,
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off.buy_qty/off.sell_qty,
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@@ -158,24 +163,20 @@ impl Market {
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{
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let initial_balance=self.traders[owner as usize].get_balance(sell_type);
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if initial_balance<sell_qty_initial { return false; }
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// println!("INITIAL_BALANCE {} Selling {} {} to buy {} {}",initial_balance,sell_qty_initial,self.number_to_name(sell_type),buy_qty_initial,self.number_to_name(buy_type));
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let mut buy_qty=buy_qty_initial;
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let ap=(buy_type,sell_type);
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while buy_qty>FiNum::new(0) && self.orders.contains_key(&ap) && self.orders.get(&ap).unwrap().v.len()>0 {
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let elt=&mut self.orders.get_mut(&ap).unwrap().v[0];
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let mut elt=(*(self.orders.get(&ap).unwrap().v[0].borrow())).clone();
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if sell_qty_initial/buy_qty_initial>=elt.buy_qty/elt.sell_qty { // Transact at ask_rate
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let qty=std::cmp::min(elt.sell_remain,buy_qty);
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// println!("Transacting {} at {}/{}, not at {}/{}. Elt.sell_remain is {}",qty,elt.buy_qty,elt.sell_qty,sell_qty_initial,buy_qty_initial,elt.sell_remain);
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elt.sell_remain-=qty;
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buy_qty-=qty;
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let pay_qty=qty*elt.buy_qty/elt.sell_qty; // 1.8499*194623/2.9744
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// println!("qty {} * elt.buy_qty {} / elt.sell_qty {} = pay_qty {} ",qty,elt.buy_qty,elt.sell_qty,pay_qty);
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// println!("qty {} * elt.buy_qty {} = pay_qty {} ",qty,elt.buy_qty, qty*elt.buy_qty);
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// println!("Pay_qty is {}. Buy_qty is now {}. Balance is {}",pay_qty,buy_qty,self.traders[owner as usize].get_balance(sell_type));
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self.traders[owner as usize].sub_balance(sell_type,pay_qty);
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self.traders[owner as usize].add_balance(buy_type ,qty);
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self.traders[elt.owner as usize].add_balance(sell_type,pay_qty);
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if elt.sell_remain==0.into() { self.orders.get_mut(&ap).unwrap().pop(); }
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else { self.orders.get(&ap).unwrap().v[0].borrow_mut().sell_remain-=qty; }
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} else { break; }
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}
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if buy_qty>0.into() {
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@@ -184,7 +185,8 @@ impl Market {
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let bids=self.orders.get_mut(&ap).unwrap();
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let sell_qty_remain=sell_qty_initial*buy_qty/buy_qty_initial;
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if sell_qty_remain>0.into() {
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bids.insert(Rc::new(RefCell::new(Order { owner:owner, sell_qty:sell_qty_remain, sell_remain:sell_qty_remain, buy_qty:buy_qty } )));
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let neworder=Rc::new(RefCell::new(Order { owner:owner, sell_qty:sell_qty_remain, sell_remain:sell_qty_remain, buy_qty:buy_qty } ));
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bids.insert(neworder);
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self.traders[owner as usize].sub_balance(sell_type,sell_qty_remain);
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}
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}
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@@ -272,7 +274,6 @@ impl<T: Dumpable + std::cmp::PartialOrd + std::fmt::Debug> PQueue<T> {
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impl Market {
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fn exercise(&mut self) {
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let mut rng: StdRng=StdRng::seed_from_u64(13u64);
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let debug_index=100000000;
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let teppy=self.register_trader("Teppy");
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let luni =self.register_trader("Luni");
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let usd =self.register_asset("USD");
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@@ -281,7 +282,7 @@ impl Market {
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self.add_trader_balance(luni ,usd,650000000.into());
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let mut count=0;
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let mut tries=0;
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for i in 1..=10000000 {
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for _i in 1..=10000000 {
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let seller=if rng.gen_bool(0.5) { teppy } else { luni };
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let (buy_type,sell_type,buy_qty,sell_qty):(i32,i32,FiNum,FiNum);
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if rng.gen_bool(0.5) {
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@@ -295,8 +296,8 @@ impl Market {
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buy_qty=rng.gen_range(1..=5).into();
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sell_qty=buy_qty*rng.gen_range(60..=70).into();
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}
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let mut success=false;
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if self.make_order(seller,sell_type,buy_type,sell_qty,buy_qty) { count+=1; success=true; };
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let mut _success=false;
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if self.make_order(seller,sell_type,buy_type,sell_qty,buy_qty) { count+=1; _success=true; };
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if count>=1000000 { break; }
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tries+=1;
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}
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@@ -330,16 +331,28 @@ fn wt_parent(index:u64) -> u64 {
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first_in_parent_row+nth_in_parent_row*skip_in_parent_row
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}
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fn wt_forefather(max_index:u64) -> u64 {
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let mut rval=max_index;
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rval=rval|(rval>>1);
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rval=rval|(rval>>2);
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rval=rval|(rval>>4);
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rval=rval|(rval>>8);
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rval=rval|(rval>>16);
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rval=rval|(rval>>32);
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if rval>max_index { wt_left(rval).unwrap() } else { rval }
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}
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fn tree_stuff() {
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for i in (0..=60).step_by(1) {
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println!("Index {} Parent {}",i,wt_parent(i));
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println!("Index {} Forefather {} Parent {}",i,wt_forefather(i),wt_parent(i));
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}
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}
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fn main() {
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let args: Vec<String> = env::args().collect();
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let mode=if args.len()<=1 { "--exercise" } else { args[1].as_str() };
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let mut m=Market::new(); // USD type is 1, EUR type is 2, BTC type is 10, ETH type is 11, SOL type is 12
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let mut m=Market::new(); // USD type is 1, EUR type is 2, BTC type is 10, ETH type is 11, zKN6FBdD SOL type is 12
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match mode {
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"--exercise" => m.exercise(),
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"--treestuff" => tree_stuff(),
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