def scenario_1():
ex = Exchange('name', 'addr')
bids, asks = setup_book(5, 5)
min_p = 0
max_p = 120
tick_size = .1
results = ex.calc_crossing(min_p, max_p, tick_size, bids, asks, debug=False)
c_p, c_r, bb, ba = results
print(c_p, c_r, bb, ba)
for id, bid in bids.items():
print('bid', id, Payer.calc_demand(bid['p_low'], bid['p_high'], bid['u_max'], c_p))
for id, ask in asks.items():
print('ask', id, Payer.calc_supply(ask['p_low'], ask['p_high'], ask['u_max'], c_p))
Graph.test_graph(min_p, max_p, tick_size, bids, asks, c_p, c_r)
def scenario_2():
ex = Exchange('name', 'addr')
bids = {}
asks = {}
min_p = 80
max_p = 120
tick_size = .1
bidder1 = Trader('bidder1', 10000000)
bidder1.enter_order('bid', 110, 90, 250, 10000)
bids[bidder1.account] = bidder1.current_order
asker1 = Trader('asker1', 100000)
asker1.enter_order('ask', 110, 90, 250, 10000000)
asks[asker1.account] = asker1.current_order
mover_bid = Trader('mover_bid', 100000)
mover_bid.enter_order('bid', 110, 90, 250, 10000)
mover_bid.enter_order('bid', 110, 105, 500, 10000)
bids[mover_bid.account] = mover_bid.current_order
mover_ask = Trader('mover_ask', 100000)
mover_ask.enter_order('ask', 110, 90, 250, 10000)
asks[mover_ask.account] = mover_ask.current_order
results = ex.calc_crossing(min_p, max_p, tick_size, bids, asks, debug=False)
c_p, c_r, bb, ba = results
print(c_p, c_r, bb, ba)
b1_shares = Payer.calc_demand(bidder1.current_order['p_low'], bidder1.current_order['p_high'], bidder1.current_order['u_max'], c_p)
a1_shares = Payer.calc_supply(asker1.current_order['p_low'], asker1.current_order['p_high'], asker1.current_order['u_max'], c_p)
move_bid_shares = Payer.calc_demand(mover_bid.current_order['p_low'], mover_bid.current_order['p_high'], mover_bid.current_order['u_max'], c_p)
move_ask_shares = Payer.calc_supply(mover_ask.current_order['p_low'], mover_ask.current_order['p_high'], mover_ask.current_order['u_max'], c_p)
print(f'bid1 shares: {b1_shares}')
print(f'ask1 shares: {a1_shares}')
print(f'mover_bid shares: {move_bid_shares}')
print(f'mover_ask shares: {move_ask_shares}')
Graph.test_graph(min_p, max_p, tick_size, bids, asks, c_p, c_r)
