speed delay configurable

custom_otree_config.py

@@ -107,6 +107,8 @@ def initialize_many_from_folder(cls, directory):
         'test_input_file': ('tests', 'test_input_file'),
         'peg_proportion': ('parameters', 'peg-proportion'),
         'post_session_delay': ('session', 'post-session-delay'),
+        'short_delay': ('parameters', 'short-delay'),
+        'long_delay': ('parameters', 'long-delay')
     }
 }
 

hft/market_environments.py

@@ -12,7 +12,9 @@
     config_field_type={
         'initial_endowment': int,
         'speed_cost': float,
-        'technology_unit_cost': float
+        'technology_unit_cost': float,
+        'short_delay': float,
+        'long_delay': float,
     },
     fields_to_scale={
         'initial_endowment': 10000,
@@ -27,7 +29,9 @@
         'player': {
             'initial_endowment': 'cash',
             'speed_unit_cost': 'speed_unit_cost',
-            'default_role': 'default_role'
+            'default_role': 'default_role',
+            'short_delay': 'short_delay',
+            'long_delay': 'long_delay',
         }
     },
     checkpoint={

hft/trader.py

@@ -138,9 +138,6 @@ def delay(self, order_delay_time):
 
 class ELOTrader(BaseTrader):
 
-    default_delay = 0.5
-    short_delay = 0.1
-    long_delay = 0.5
     tracked_market_facts = ('best_bid', 'volume_at_best_bid', 'next_bid', 'best_offer',
         'volume_at_best_offer', 'next_offer', 'signed_volume', 'e_best_bid',
         'e_best_offer', 'e_signed_volume', 'tax_rate', 'reference_price')
@@ -159,6 +156,8 @@ class ELOTrader(BaseTrader):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
+        self.short_delay = kwargs.get('short_delay', self.default_delay)
+        self.long_delay = kwargs.get('long_delay', self.default_delay)
         self.technology_subscription = Subscription(
             'speed_tech', self.player_id, kwargs.get('speed_unit_cost', 0))
         self.sliders = {'slider_a_x': 0, 'slider_a_y': 0, 'slider_a_z': 0}
@@ -176,10 +175,10 @@ def set_initial_strategy(self, slider_a_x, slider_a_y, slider_a_z, role, speed_o
         self.trader_role = self.trader_state_factory.get_trader_state(role)
         self.delayed = speed_on
         if speed_on:
-            self.delay = self.trader_role.short_delay
+            self.delay = self.short_delay
             self.technology_subscription.activate()
         else:
-            self.delay = self.trader_role.long_delay
+            self.delay = self.long_delay
             self.technology_subscription.deactivate()
             speed_cost = self.technology_subscription.invoice()
             self.speed_cost += speed_cost
@@ -337,4 +336,4 @@ def order_canceled(self, event):
     def order_executed(self, event):
         super().order_executed(event)
         self.midpoint_peg = event.message.midpoint_peg
-
+

hft/trader_state.py

@@ -55,8 +55,7 @@ def cancel_all_orders(self, trader, event):
 
 class ELOTraderState(TraderState):
 
-    short_delay = 0.1
-    long_delay = 0.5
+    default_delay = 0.5
     event_dispatch = { 
         'speed_change': 'speed_technology_change',
         'role_change': 'state_change', 
@@ -76,19 +75,19 @@ def state_change(self, trader, event):
             trader.disable_offer = False        
             log.debug('trader %s: offers enabled.' % trader.tag)
 
-    def speed_technology_change(self, trader, event, short_delay=short_delay, 
-                                long_delay=long_delay, **kwargs):
+    def speed_technology_change(self, trader, event, short_delay=default_delay, 
+                                long_delay=default_delay, **kwargs):
         try:
             new_state = event.message.value
         except AttributeError:
             new_state = kwargs['value']
         trader.delayed = new_state
         if new_state is True:
-            trader.delay = short_delay
+            trader.delay = trader.short_delay
             trader.technology_subscription.activate()
             log.debug('player %s subscribes to technology.' % trader.player_id)
         else:
-            trader.delay = long_delay
+            trader.delay = trader.long_delay
             trader.technology_subscription.deactivate()
             speed_cost = trader.technology_subscription.invoice()
             trader.speed_cost += speed_cost

hft/utility.py

@@ -151,7 +151,7 @@ def ensure_results_ready(subsession_id, market_id, record_cls, num_players,
 elo_args_fields = (
     'subsession_id', 'market_id', 'id', 'id_in_group', 'default_role', 
     'exchange_host', 'exchange_port')
-elo_kwargs_fields = ('cash', 'speed_unit_cost')
+elo_kwargs_fields = ('cash', 'speed_unit_cost', 'short_delay', 'long_delay')
 def elo_otree_player_converter(otree_player):
     args = [getattr(otree_player, field) for field in elo_args_fields]
     kwargs = {field: getattr(otree_player, field) for field in elo_kwargs_fields}

session_config/session_configs/CDA_1groups_3players_150_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.7
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_3_150_sec_sv_on

session_config/session_configs/CDA_1groups_3players_151_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.7
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_3_150_sec_sv_off

session_config/session_configs/CDA_1groups_6players_150_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.7
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_1_150_sec

session_config/session_configs/CDA_1groups_6players_180_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.2
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Session_3_rounds_1_180_sec

session_config/session_configs/CDA_1groups_8players_150sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.7
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_1_150_sec_8_traders

session_config/session_configs/FBA_1groups_3players_150_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.7
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_3_150_sec_sv_on_FBA

session_config/session_configs/FBA_1groups_6players_180_sec.yaml

@@ -29,6 +29,8 @@ parameters:
   k-reference-price: 0.2
   k-signed-volume: 0.5
   tax-rate: 0.1
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: FBA_ELO_Session_3_rounds_1_180_sec

session_config/session_configs/IEX_1groups_3players_150_sec.yaml

@@ -30,6 +30,8 @@ parameters:
   k-signed-volume: 0.5
   tax-rate: 0.1
   peg-proportion: 0.5
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: ELO_Development_Session_3_rounds_3_150_sec_sv_off_iex

session_config/session_configs/IEX_1groups_6players_180_sec.yaml

@@ -30,7 +30,8 @@ parameters:
   k-signed-volume: 0.5
   tax-rate: 0.1
   peg-proportion: 0.5
-
+  short-delay: 0.05
+  long-delay: 0.25
 
 session:
   session-name: IEX_ELO_Session_3_rounds_1_180_sec