Update base.py

main.py

@@ -2,7 +2,7 @@ import argparse
 from nullptr.commander import Commander
 
 def main(args):
-  c = Commander(args.store_dir, args.agent)
+  c = Commander(args.store_dir)
   c.run()
   
 # X1-AG74-41076A
@@ -11,6 +11,5 @@ def main(args):
 if __name__ == '__main__':
   parser = argparse.ArgumentParser()
   parser.add_argument('-s', '--store-dir', default='data')
-  parser.add_argument('-a', '--agent', default=None)
   args = parser.parse_args()
   main(args)

nullptr/analyzer.py

@@ -1,6 +1,7 @@
 from nullptr.models.marketplace import Marketplace
 from nullptr.models.jumpgate import Jumpgate
 from nullptr.models.system import System
+from nullptr.models.waypoint import Waypoint
 from dataclasses import dataclass
 
 @dataclass
@@ -29,14 +30,42 @@ class Analyzer:
 
   def find_markets(self, resource, sellbuy):
     for m in self.store.all(Marketplace):
-      resources = m.imports if sellbuy == 'sell' else m.exports
-      if resource in resources:
-        yield m
+      if 'sell' in sellbuy and resource in m.imports:
+        yield ('sell', m)
+      
+      elif 'buy' in sellbuy and resource in m.exports:
+        yield ('buy', m)
+      
+      elif 'exchange' in sellbuy and resource in m.exchange:
+        yield ('exchange', m)
+        
+  def find_closest_markets(self, resource, sellbuy, location):
+    if type(location) == str:
+      location = self.store.get(Waypoint, location)
+    mkts = self.find_markets(resource, sellbuy)
+    candidates = []
+    origin = self.store.get(System, location.system())
+    for typ, m in mkts:
+      system = self.store.get(System, m.system())
+      d = origin.distance(system)
+      candidates.append((typ, m, d))
+    possibles = sorted(candidates, key=lambda m: m[2])
+    possibles = possibles[:10]
+    results = []
+    for typ,m,d in possibles:
+      system = self.store.get(System, m.system())
+      p = self.find_path(origin, system)
+      if p is None: continue
+      results.append((typ,m,d,len(p)))
+    return results
+    
+  def solve_tsp(self, waypoints):
+    # todo actually try to solve it
+    return waypoints
  
   def get_jumpgate(self, system):
     gates = self.store.all_members(system, Jumpgate)
     return next(gates, None)
-
    
   def find_path(self, orig, to, depth=100, seen=None):
     if depth < 1: return None

nullptr/api.py

@@ -3,6 +3,7 @@ from nullptr.models.system import System
 from nullptr.models.waypoint import Waypoint
 from nullptr.models.marketplace import Marketplace
 from nullptr.models.jumpgate import Jumpgate
+from nullptr.models.ship import Ship
 from .util import *
 from time import sleep
 class ApiError(Exception):
@@ -17,7 +18,9 @@ class Api:
   def __init__(self, store, agent):
     self.agent = agent
     self.store = store
+    self.requests_sent = 0
     self.meta = None
+    self.last_result = None
     self.root = 'https://api.spacetraders.io/v2/'
     
   def token(self):
@@ -28,7 +31,7 @@ class Api:
   def request(self, method, path, data=None, need_token=True, params={}):
     try:
       return self.request_once(method, path, data, need_token, params)
-    except ApiLimitError:
+    except (ApiLimitError, requests.exceptions.Timeout):
       print('oops, hit the limit. take a break')
       sleep(10)
       return self.request_once(method, path, data, need_token, params)
@@ -37,6 +40,7 @@ class Api:
     headers = {}
     if need_token:
       headers['Authorization'] = 'Bearer ' + self.token()
+    self.requests_sent += 1
     if method == 'get':
       params['limit'] = 20
     r = requests.request(method, self.root+path, json=data, headers=headers, params=params)
@@ -86,11 +90,167 @@ class Api:
     system = waypoint.system()
     symbol = str(waypoint)
     data = self.request('get', f'systems/{system}/waypoints/{waypoint}/market')
-    return self.store.update(Marketplace, symbol, data)
+    return self.store.update(Marketplace, data)
   
   def jumps(self, waypoint):
     data = self.request('get', f'systems/{waypoint.system()}/waypoints/{waypoint}/jump-gate')
     symbol = str(waypoint)
-    return self.store.update(Jumpgate, symbol, data)
+    return self.store.update(Jumpgate, data, symbol)
   
+  def list_ships(self):
+    data = self.request('get', 'my/ships')
+    return self.store.update_list(Ship, data)
   
+  def list_contracts(self):
+    data = self.request('get', 'my/contracts')
+    return self.store.update_list('Contract', data)
+  
+  def negotiate(self, ship):
+    data = self.request('post', f'my/ships/{ship}/negotiate/contract')
+    if data is not None and 'contract' in data:
+      contract = self.store.update('Contract', data['contract'])
+      return contract
+  
+  def deliver(self, ship, typ, contract):
+    units = ship.get_cargo(typ)
+    if units == 0:
+      print("Resource not in cargo")
+      return {}
+    data = {
+      'shipSymbol': str(ship),
+      'tradeSymbol': typ.upper(),
+      'units': units
+    }
+    data = self.request('post', f'my/contracts/{contract.symbol.lower()}/deliver', data)
+    if 'cargo' in data:
+      ship.update(data)
+    if 'contract' in data:
+      contract.update(data['contract'])
+    return contract
+  
+  def fulfill(self, contract):
+    data = self.request('post', f'my/contracts/{contract.symbol.lower()}/fulfill')
+    if 'contract' in data:
+      contract.update(data['contract'])
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return contract
+ 
+  def navigate(self, ship, wp):
+    data = {'waypointSymbol': str(wp)}
+    response = self.request('post', f'my/ships/{ship}/navigate', data)
+    ship.update(response)
+  
+  def dock(self, ship):
+    data = self.request('post', f'my/ships/{ship}/dock')
+    ship.update(data)
+    return data
+    
+  def orbit(self, ship):
+    data = self.request('post', f'my/ships/{ship}/orbit')
+    ship.update(data)
+    return data
+    
+  def refuel(self, ship):
+    data =  self.request('post', f'my/ships/{ship}/refuel')
+    if 'fuel' in data:
+      ship.update(data)
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return data
+  
+  def accept_contract(self, contract):
+    data = self.request('post', f'my/contracts/{contract.symbol.lower()}/accept')
+    if 'contract' in data:
+      contract.update(data['contract'])
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return contract
+  
+  def sell(self, ship, typ):
+    units = ship.get_cargo(typ)
+    data = {
+      'symbol': typ,
+      'units': units
+    }
+    data = self.request('post', f'my/ships/{ship}/sell', data)
+    if 'cargo' in data:
+      ship.update(data)
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return data
+    
+  def buy(self, ship, typ, amt):
+    data = {
+      'symbol': typ,
+      'units': amt
+    }
+    data = self.request('post', f'my/ships/{ship}/purchase', data)
+    if 'cargo' in data:
+      ship.update(data)
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return data
+  
+  def jettison(self, ship, typ):
+    units = ship.get_cargo(typ)
+    if units == 0:
+      print('cargo not found')
+      return
+    data = {
+      'symbol': typ,
+      'units': units
+    }
+    data = self.request('post', f'my/ships/{ship.symbol}/jettison', data)
+    if 'cargo' in data:
+      ship.update(data)
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    return data
+  
+  def purchase(self, typ, wp):
+    data = {
+      'shipType': typ,
+      'waypointSymbol': str(wp)
+    }
+    data = self.request('post', 'my/ships', data)
+    if 'agent' in data:
+      self.agent.update(data['agent'])
+    if 'ship' in data:
+      ship = self.store.update('Ship', data['ship'])  
+      return ship
+    
+  def jump(self, ship, system):
+    if type(system) == System:
+      system = system.symbol
+    data = {
+      "systemSymbol": system
+    }
+    data = self.request('post', f'my/ships/{ship}/jump', data)
+    if 'nav' in data:
+      ship.update(data)
+    return ship
+    
+  def shipyard(self, wp):
+    return self.request('get', f'systems/{wp.system()}/waypoints/{wp}/shipyard')
+
+  def extract(self, ship, survey=None):
+    data = {}
+    if survey is not None:
+      data['survey'] = survey.api_dict()
+    try:
+      data =  self.request('post', f'my/ships/{ship}/extract', data=data)
+    except ApiError as e:
+      if e.code in [ 4221, 4224]:
+        survey.exhausted = True
+      else:
+        raise e
+    ship.update(data)
+    return data
+  
+  def survey(self, ship):
+    data =  self.request('post', f'my/ships/{ship}/survey')
+    ship.update(data)
+    result = self.store.update_list('Survey', mg(data, 'surveys'))
+    return result
+    

nullptr/central_command.py

@@ -0,0 +1,115 @@
+from nullptr.store import Store
+from nullptr.models.ship import Ship
+from nullptr.missions import create_mission, get_mission_class
+from random import choice
+from time import sleep
+from threading import Thread
+
+class CentralCommandError(Exception):
+  pass
+  
+class CentralCommand:
+  def __init__(self, store, api):
+    self.missions = {}
+    self.stopping = False
+    self.store = store
+    self.api = api
+    self.update_missions()
+  
+  def get_ready_missions(self):
+    result = []
+    for ship, mission in self.missions.items():
+      if mission.is_ready():
+        result.append(ship)
+    return result
+    
+  def tick(self):
+    missions = self.get_ready_missions()
+    if len(missions) == 0: return False
+    ship = choice(missions)
+    mission = self.missions[ship]
+    mission.step()
+    return True
+  
+  def wait_for_stop(self):
+    try:
+      input()
+    except EOFError:
+      pass
+    self.stopping = True
+    print('stopping...')
+    
+  def run_interactive(self):
+    print('auto mode. hit enter to stop')
+    t = Thread(target=self.wait_for_stop)
+    t.daemon = True
+    t.start()
+    self.run()
+    print('manual mode')
+    
+  def run(self):
+    self.update_missions()
+    while not self.stopping:
+      did_step = True
+      request_counter = self.api.requests_sent
+      while request_counter == self.api.requests_sent and did_step:
+        did_step = self.tick()
+      self.store.flush()
+      sleep(0.5)
+    self.stopping = False
+      
+  def stop(self):
+    self.stopping = True
+ 
+  def set_mission_param(self, ship, nm, val):
+    if ship not in self.missions:
+      print('set a mission for this ship first')
+      return
+    mission = self.missions[ship]
+    params = mission.params()
+    if not nm in params:
+      print(f'{nm} is not a valid param')
+      return
+    param = params[nm]
+    try:
+      parsed_val = param.parse(val, self.store)
+    except ValueError as e:
+      raise MissionError(e)
+      return
+    ship.set_mission_state(nm, parsed_val)
+    
+  def update_missions(self):
+    for s in self.store.all(Ship):
+      if s.mission is None:
+        if s in self.missions:
+          self.stop_mission(s)
+      elif s not in self.missions:
+        self.start_mission(s)
+      if s in self.missions:
+        m = self.missions[s]
+        m.next_step = max(s.cooldown, s.arrival)
+  
+  def init_mission(self, s, mtyp):
+    if mtyp == 'none':
+      s.mission_state = {}
+      s.mission_status = None
+      s.mission = None
+      return
+    try:
+      mclass = get_mission_class(mtyp)
+    except ValueError:
+      raise CentralCommandError('no such mission')
+    s.mission = mtyp
+    s.mission_status = 'init'
+    s.mission_state = {k: v.default for k,v in mclass.params().items()}
+    self.start_mission(s)
+    
+  def start_mission(self, s):
+    mtype = s.mission
+    m = create_mission(mtype, s, self.store, self.api)
+    self.missions[s] = m
+    return m
+    
+  def stop_mission(self, s):
+    if s in self.missions:
+      del self.missions[s]

nullptr/command_line.py

@@ -41,7 +41,7 @@ class CommandLine:
     print(f'command not found; {c}')
   
   def handle_error(self, cmd, args, e):
-    logging.error(e, exc_info=str(type(e))!='ApiErrorp')
+    logging.error(e, exc_info=type(e).__name__ not in ['ApiError','CommandError', 'CentralCommandError'])
   
   def handle_empty(self):
     pass
@@ -90,5 +90,8 @@ class CommandLine:
       except EOFError:
         self.handle_eof()
         break
-      self.handle_cmd(c)
+      try:
+        self.handle_cmd(c)
+      except Exception as e:
+        logging.error(e, exc_info=True)
       

nullptr/commander.py

@@ -12,80 +12,228 @@ from .util import *
 from time import sleep, time
 from threading import Thread
 from nullptr.atlas_builder import  AtlasBuilder
-
+from nullptr.central_command import CentralCommand
+class CommandError(Exception):
+  pass
+  
 class Commander(CommandLine):
-  def __init__(self, store_dir='data', agent=None):
+  def __init__(self, store_dir='data'):
     self.store_dir = store_dir
     self.store = Store(store_dir)
     self.store.load()
-    self.agent = self.select_agent(agent)
+    self.agent = self.select_agent()
     self.api = Api(self.store, self.agent)
     self.atlas_builder = AtlasBuilder(self.store, self.api)
+    self.centcom = CentralCommand(self.store, self.api)
     self.analyzer = Analyzer(self.store)
+    self.ship = None
     
     self.stop_auto= False
     super().__init__()
   
+  def prompt(self):
+    if self.ship:
+      return f'{self.ship.symbol}> '
+    else:
+      return '> '
+    
+  def has_ship(self):
+    if self.ship is not None:
+      return True
+    else:
+      print('set a ship')
+      
   def ask_obj(self, typ, prompt):
     obj = None
     while obj is None:
-      symbol = input(prompt)
+      symbol = input(prompt).strip()
       obj = self.store.get(typ, symbol.upper())
       if obj is None:
         print('not found')
     return obj
     
-  def select_agent(self, agent_str):
-    if agent_str is not None:
-      return self.store.get(Agent, agent_str)
+  def select_agent(self):
+    agents = self.store.all(Agent)
+    agent = next(agents, None)
+    if agent is None:
+      symbol = input('agent name: ')
+      agent = self.store.get(Agent, symbol, create=True)
+    return agent
+  
+  def resolve(self, typ, arg):
+    arg = arg.upper()
+    matches = [c for c in self.store.all(typ) if c.symbol.startswith(arg)]
+    if len(matches) == 1:
+      return matches[0]
+    elif len(matches) > 1:
+      raise CommandError('multiple matches')
     else:
-      agents = self.store.all(Agent)
-      agent = next(agents, None)
-      if agent is None:
-        symbol = input('agent name: ')
-        agent = self.store.get(Agent, symbol)
-      return agent
+      raise CommandError('not found')
       
   def after_cmd(self):
     self.store.flush()
       
-  def do_info(self):
-    pprint(self.api.info(), 100)
+  def do_info(self, arg=''):
+    if arg.startswith('r'):
+      self.api.info()
+    
+    pprint(self.agent, 100)
+  
+  def do_auto(self):
+    self.centcom.run_interactive()
+  
+  def print_mission(self):
+    print(f'mission: {self.ship.mission} ({self.ship.mission_status})')
+    pprint(self.ship.mission_state)
+    
+  def do_mission(self, arg=''):
+    if not self.has_ship(): return 
+    if arg:
+      self.centcom.init_mission(self.ship, arg)
+    self.print_mission()
+  
+  def do_mreset(self):
+    if not self.has_ship(): return 
+    self.ship.mission_state = {}
+    
+  def do_mset(self, nm, val):
+    if not self.has_ship(): return
+    self.centcom.set_mission_param(self.ship, nm, val)
+  
+  def active_contract(self):
+    for c in self.store.all('Contract'):
+      if c.accepted and not c.fulfilled: return c
+    raise CommandError('no active contract')
+    
+  def do_cmine(self):
+    if not self.has_ship(): return 
+    site = self.ship.location_str
+    contract = self.active_contract()
+    delivery = contract.unfinished_delivery()
+    if delivery is None:
+      raise CommandError('no delivery')
+    resource = delivery['trade_symbol']
+    destination = delivery['destination']
+    self.centcom.init_mission(self.ship, 'mine')
+    self.centcom.set_mission_param(self.ship, 'site', site)
+    self.centcom.set_mission_param(self.ship, 'resource', resource)
+    self.centcom.set_mission_param(self.ship, 'dest', destination)
+    self.centcom.set_mission_param(self.ship, 'contract', contract.symbol)
+    self.print_mission()
+  
+  def do_chaul(self):
+    if not self.has_ship(): return     
+    contract = self.active_contract()
+    delivery = contract.unfinished_delivery()
+    if delivery is None:
+      raise CommandError('no delivery')
+    resource = delivery['trade_symbol']
+    destination = delivery['destination']
+    m = self.analyzer.find_closest_markets(resource, 'buy', destination)
+    if len(m) == 0:
+      m = self.analyzer.find_closest_markets(resource, 'exchange', destination)
+    if len(m) == 0:
+      print('no market found')
+      return
+    _, m, _, _ = m[0]
+    site = self.store.get(Waypoint, m.symbol)
+    self.centcom.init_mission(self.ship, 'haul')
+    self.centcom.set_mission_param(self.ship, 'site', site.symbol)
+    self.centcom.set_mission_param(self.ship, 'resource', resource)
+    self.centcom.set_mission_param(self.ship, 'dest', destination)
+    self.centcom.set_mission_param(self.ship, 'contract', contract.symbol)
+    self.print_mission()
+  
+  def do_cprobe(self):
+    if not self.has_ship(): return     
+    contract = self.active_contract()
+    delivery = contract.unfinished_delivery()
+    if delivery is None:
+      raise CommandError('no delivery')
+    resource = delivery['trade_symbol']
+    destination = delivery['destination']
+    m = self.analyzer.find_closest_markets(resource, 'buy,exchange', destination)
+    if len(m) is None:
+      print('no market found')
+      return
+    markets = [ mkt[1] for mkt in m]
+    markets = self.analyzer.solve_tsp(markets)
+    hops = ','.join([m.symbol for m in markets])
+    self.centcom.init_mission(self.ship, 'probe')
+    self.centcom.set_mission_param(self.ship, 'hops', hops)
+    self.print_mission()
+  
+  def do_travel(self, dest):
+    dest = self.resolve('Waypoint', dest)
+    self.centcom.init_mission(self.ship, 'travel')
+    self.centcom.set_mission_param(self.ship, 'dest', dest.symbol)
+    self.print_mission()
     
   def do_register(self, faction):
     self.api.register(faction.upper())
-  
+    pprint(self.api.agent)
+    
   def do_universe(self, page=1):
     self.atlas_builder.run(page)
   
   def do_systems(self, page=1):
     r = self.api.list_systems(int(page))
     pprint(self.api.last_meta)
+  
+  def do_stats(self):
+    total = 0
+    for t in self.store.data:
+      num = len(self.store.data[t])
+      nam = t.__name__
+      total += num
+      print(f'{num:5d} {nam}')
+    print(f'{total:5d} total')
+    
+  def do_waypoints(self, system_str=''):
+    if system_str == '':
+      if not self.has_ship(): return
+      system = self.ship.location().system()
+    else:
+      system = self.store.get(System, system_str)
+    r = self.store.all_members(system, 'Waypoint')
+    for w in r:
+      traits = []
+      if 'MARKETPLACE' in w.traits:
+        traits.append('MARKET')
+      if 'SHIPYARD' in w.traits:
+        traits.append('SHIPYARD')
+      if w.type == 'JUMP_GATE':
+        traits.append('JUMP')
+      if w.type == 'ASTEROID_FIELD':
+        traits.append('ASTROIDS')
+      print(w.symbol.split('-')[2], ', '.join(traits))
+  
+  def do_wp(self, s=''):
+    self.do_waypoints(s)
     
-  def do_waypoints(self, system_str):
-    system = self.store.get(System, system_str.upper())
-    r = self.api.list_waypoints(system)
-    pprint(r)
-
   def do_marketplace(self, waypoint_str):
     waypoint = self.store.get(Waypoint, waypoint_str.upper())
     r = self.api.marketplace(waypoint)
   
-  def do_jumps(self, waypoint_str):
-    waypoint = self.store.get(Waypoint, waypoint_str.upper())
+  def do_jumps(self, waypoint_str=None):
+    if waypoint_str is None:
+      if not self.has_ship(): return
+      waypoint = self.ship.location()
+    else:
+      waypoint = self.store.get(Waypoint, waypoint_str.upper())
     r = self.api.jumps(waypoint)
     pprint(r)
   
-  def do_query(self):
-    location = self.ask_obj(System, 'Where are you? ')
-    resource = input('what resource?').upper()
-    sellbuy = self.ask_multichoice(['sell','buy'], 'do you want to sell or buy?')
+  def do_query(self, resource):
+    if not self.has_ship(): return
+    location = self.ship.location()
+    resource = resource.upper()
     print('Found markets:')
-    for m in self.analyzer.find_markets(resource, sellbuy):
-      system = self.store.get(System, m.system())
-      p = self.analyzer.find_path(location, system)
-      if p is None: continue
-      print(m, f'{len(p)-1} hops')
+    for typ, m, d, plen in self.analyzer.find_closest_markets(resource, 'buy,exchange',location):
+      price = '?'
+      if resource in m.prices:
+        price = m.prices[resource]['buy']
+      print(m, typ[0], f'{plen-1:3} hops {price}')
       
   def do_path(self):
     orig = self.ask_obj(System, 'from: ')
@@ -94,3 +242,154 @@ class Commander(CommandLine):
     # dest = self.store.get(System, 'X1-DA90')
     path = self.analyzer.find_path(orig, dest)
     pprint(path)
+  
+  def do_ships(self, arg=''):
+    if arg.startswith('r'):
+      r = self.api.list_ships()
+    else:
+      r = list(self.store.all('Ship'))
+    pprint(r)
+  
+  def do_contracts(self, arg=''):
+    if arg.startswith('r'):
+      r = self.api.list_contracts()
+    else:
+      r = list(self.store.all('Contract'))
+    pprint(r)
+  
+  def do_deliver(self):
+    if not self.has_ship(): return 
+    site = self.ship.location_str
+    contract = self.active_contract()
+    delivery = contract.unfinished_delivery()
+    if delivery is None:
+      raise CommandError('no delivery')
+    resource = delivery['trade_symbol']
+    self.api.deliver(self.ship, resource, contract)
+    pprint(contract)
+  
+  def do_fulfill(self):
+    contract = self.active_contract()
+    self.api.fulfill(contract)
+    
+  def do_ship(self, arg=''):
+    if arg != '':
+      symbol = f'{self.agent.symbol}-{arg}'
+      ship = self.store.get('Ship', symbol)
+      if ship is None:
+        print('not found')
+        return
+      else:
+        self.ship = ship
+    pprint(self.ship)
+  
+  def do_pp(self):
+    pprint(self.api.last_result)
+  
+  def do_go(self, arg):
+    if not self.has_ship(): return
+    system = self.ship.location().system()
+    symbol = f'{system}-{arg}'
+    dest = self.resolve('Waypoint', symbol)
+    self.api.navigate(self.ship, dest)
+    pprint(self.ship)
+  
+  def do_dock(self):
+    if not self.has_ship(): return
+    self.api.dock(self.ship)
+    pprint(self.ship)
+  
+  def do_orbit(self):
+    if not self.has_ship(): return
+    self.api.orbit(self.ship)
+    pprint(self.ship)
+  
+  def do_negotiate(self):
+    if not self.has_ship(): return
+    r =  self.api.negotiate(self.ship)
+    pprint(r)
+  
+  def do_refuel(self):
+    if not self.has_ship(): return
+    r =  self.api.refuel(self.ship)
+    pprint(self.ship)
+    
+  def do_accept(self, c):
+    contract = self.resolve('Contract', c)
+    r =  self.api.accept_contract(contract)
+    pprint(r)
+  
+  def do_market(self, arg=''):
+    if arg == '':
+      if not self.has_ship(): return
+      waypoint = self.ship.location()
+    else:
+      waypoint = self.resolve('Waypoint', arg)
+    r =  self.api.marketplace(waypoint)
+    pprint(r)
+  
+  def do_cargo(self):
+    if not self.has_ship(): return
+    for c, units in self.ship.cargo.items():
+      print(f'{units:4d} {c}')
+      
+  def do_buy(self, resource, amt=None):
+    if not self.has_ship(): return
+    if amt is None:
+      amt = self.ship.cargo_capacity - self.ship.cargo_units
+    self.api.buy(self.ship, resource.upper(), amt)
+    self.do_cargo()
+  
+  def do_sell(self, resource):
+    if not self.has_ship(): return
+    self.api.sell(self.ship, resource.upper())
+    self.do_cargo()
+    
+  def do_dump(self, resource):
+    if not self.has_ship(): return
+    self.api.jettison(self.ship, resource.upper())
+    self.do_cargo()
+  
+  def do_shipyard(self):
+    if not self.has_ship(): return
+    location = self.ship.location()
+    data = self.api.shipyard(location)
+    for s in must_get(data, 'ships'):
+      print(s['type'], s['purchasePrice'])
+  
+  def do_jump(self, system_str):
+    if not self.has_ship(): return
+    if '-' not in system_str:
+      sector = self.ship.location_str.split('-')[0]
+      system_str = f'{sector}-{system_str}'
+    system = self.resolve('System', system_str)
+    self.api.jump(self.ship, system)
+    pprint(self.ship)
+    
+  def do_purchase(self, ship_type):
+    if not self.has_ship(): return
+    location = self.ship.location()
+    ship_type = ship_type.upper()
+    if not ship_type.startswith('SHIP'):
+      ship_type = 'SHIP_' + ship_type
+    s = self.api.purchase(ship_type, location)
+    pprint(s)
+
+  def do_survey(self):
+    if not self.has_ship(): return
+    r = self.api.survey(self.ship)
+    pprint(r)
+  
+  def do_surveys(self):
+    pprint(list(self.store.all('Survey')))
+  
+  def do_extract(self, survey_str=''):
+    if not self.has_ship(): return
+    survey = None
+    if survey_str != '':
+      survey = self.resolve('Survey', survey_str)
+    result = self.api.extract(self.ship, survey)
+    
+    symbol = mg(result,'extraction.yield.symbol')
+    units  = mg(result,'extraction.yield.units')
+    print(units, symbol)

nullptr/missions/__init__.py

@@ -0,0 +1,23 @@
+from nullptr.missions.survey import SurveyMission
+from nullptr.missions.mine import MiningMission
+from nullptr.missions.haul import HaulMission
+from nullptr.missions.travel import TravelMission
+from nullptr.missions.probe import ProbeMission
+
+def get_mission_class( mtype):
+  types = {
+    'survey': SurveyMission,
+    'mine': MiningMission,
+    'haul': HaulMission,
+    'travel': TravelMission,
+    'probe': ProbeMission
+  }
+  if mtype not in types:
+    raise ValueError(f'invalid mission type {mtype}')
+  return types[mtype]
+  
+def create_mission(mtype, ship, store, api):
+  typ = get_mission_class(mtype)
+  m = typ(ship, store, api)
+  return m
+

nullptr/missions/base.py

@@ -0,0 +1,250 @@
+from nullptr.store import Store
+from nullptr.models.base import Base
+from nullptr.models.waypoint import Waypoint
+from nullptr.models.contract import Contract
+from nullptr.models.system import System
+from nullptr.models.survey import Survey
+from nullptr.models.ship import Ship
+from nullptr.analyzer import Analyzer
+from time import time
+from functools import partial
+import logging
+from nullptr.util import *
+
+class MissionError(Exception):
+  pass
+  
+class MissionParam:
+  def __init__(self, cls, required=True, default=None):
+    self.cls = cls
+    self.required = required
+    self.default = default
+  
+  def parse(self, val, store):
+    if self.cls == str:
+      return str(val)
+    elif self.cls == int:
+      return int(val)
+    elif self.cls == list:
+      return [i.strip() for i in val.split(',')]
+    elif issubclass(self.cls, Base):
+      data = store.get(self.cls, val)
+      if data is None:
+        raise ValueError('object not found')
+      return data.symbol
+    else:
+      raise ValueError('unknown param typr')
+    
+class Mission:
+  @classmethod
+  def params(cls):
+    return {
+      
+    }
+  
+  def __init__(self, ship, store, api):
+    self.ship = ship
+    self.store = store
+    self.api = api
+    self.next_step = 0
+    self.analyzer = Analyzer(self.store)
+
+  def sts(self, nm, v):
+    if issubclass(type(v), Base):
+      v = v.symbol
+    self.ship.set_mission_state(nm, v)
+  
+  def rst(self, typ, nm):
+    symbol = self.st(nm)
+    return self.store.get(typ, symbol)
+    
+  def st(self, nm):
+    if not nm in self.ship.mission_state:
+      return None
+    return self.ship.mission_state[nm]
+  
+  def status(self, nw=None):
+    if nw is None:
+      return self.ship.mission_status
+    else:
+      self.ship.mission_status = nw
+      
+  def start_state(self):
+    return 'done'
+  
+  def error(self, msg):
+    self.status('error')
+    print(msg)
+
+  def init_state(self):
+    for name, param in self.params().items():
+      if param.required and param.default is None:
+        if not name in self.ship.mission_state:
+          return self.error(f'Param {name} not set')
+    self.status(self.start_state())
+  
+  def steps(self):
+    return {
+      
+    }
+  
+  def step_done(self):
+    logging.info(f'mission finished for {self.ship}')
+    
+  def is_waiting(self):
+    return self.next_step > time()
+  
+  def is_finished(self):
+    return self.status() in ['done','error']
+  
+  def is_ready(self):
+    return not self.is_waiting() and not self.is_finished()
+  
+  def step(self):
+    steps = self.steps()
+    if self.status() == 'init':
+      self.init_state()
+    status = self.status()
+    if not status in steps:
+      logging.warning(f"Invalid mission status {status}")
+      self.status('error')
+      return
+    handler, next_step = steps[status]
+    try:
+      result = handler()
+    except Exception as e:
+      logging.error(e, exc_info=True)
+      self.status('error')
+      return
+    if type(next_step) == str:
+      self.status(next_step)
+    elif type(next_step) == dict:
+      if result not in next_step:
+        logging.warning(f'Invalid step result {result}')
+        self.status('error')
+        return
+      else:
+        self.status(next_step[result])
+    print(f'{self.ship} {status} -> {self.status()}')
+
+class BaseMission(Mission):
+  def step_go_dest(self):
+    destination = self.rst(Waypoint, 'destination')
+    if self.ship.location() == destination:
+      return
+    self.api.navigate(self.ship, destination)
+    self.next_step = self.ship.arrival
+  
+  def step_go_site(self):
+    site = self.rst(Waypoint,'site')
+    if self.ship.location() == site:
+      return
+    self.api.navigate(self.ship, site)
+    self.next_step = self.ship.arrival
+    
+  def step_unload(self):
+    contract = self.rst(Contract, 'contract')
+    delivery = self.st('delivery')
+    if delivery == 'sell':
+      return self.step_sell(False)
+    typs = self.ship.deliverable_cargo(contract)
+    if len(typs) == 0:
+      return 'done'
+    self.api.deliver(self.ship, typs[0], contract)
+    if len(typs) == 1:
+      return 'done'
+    else:
+      return 'more'
+
+  def step_sell(self, except_resource=True):
+    target = self.st('resource')
+    market = self.store.get('Marketplace', self.ship.location_str)
+    sellables = market.sellable_items(self.ship.cargo.keys())
+    if target in sellables and except_resource:
+      sellables.remove(target)
+    if len(sellables) == 0:
+      return 'done'
+    self.api.sell(self.ship, sellables[0])
+    if len(sellables) == 1:
+      return 'done'
+    else:
+      return 'more'
+  
+  def step_load(self):
+    cargo_space = self.ship.cargo_capacity - self.ship.cargo_units
+    resource = self.st('resource')
+    self.api.buy(self.ship, resource, cargo_space)
+  
+  def step_travel(self):
+    traject = self.st('traject')
+    if traject is None or traject == []:
+      return 'done'
+    dest = self.store.get(Waypoint, traject[-1])
+    loc = self.ship.location()
+    print(dest, loc)
+    if dest == loc:
+      self.sts('traject', None)
+      return 'done'
+    hop = traject.pop(0)
+    if len(hop.split('-')) == 3:
+      self.api.navigate(self.ship, hop)
+      self.next_step = self.ship.arrival
+    else:
+      self.api.jump(self.ship, hop)
+      self.next_step = self.ship.cooldown
+    if traject == []:
+      traject= None
+    self.sts('traject', traject)
+    return 'more'
+  
+  def step_calculate_traject(self, dest):
+    if type(dest) == str:
+      dest = self.store.get(Waypoint, dest)
+    loc = self.ship.location()
+    loc_sys = self.store.get(System, loc.system())
+    loc_jg = self.analyzer.get_jumpgate(loc_sys)
+    dest_sys = self.store.get(System, dest.system())
+    dest_jg = self.analyzer.get_jumpgate(dest_sys)
+    if dest_sys == loc_sys:
+      result = [dest.symbol]
+      self.sts('traject', result)
+      return
+    path = self.analyzer.find_path(loc_sys, dest_sys)
+    result = []
+    if loc.symbol != loc_jg.symbol:
+      result.append(loc_jg.symbol)
+    result += [s.symbol for s in path[1:]]
+    if dest_jg.symbol != dest.symbol:
+      result.append(dest.symbol)
+    self.sts('traject', result)
+    print(result)
+    return result
+    
+  def step_dock(self):
+    self.api.dock(self.ship)
+ 
+  def step_refuel(self):
+    if self.ship.fuel_capacity == 0:
+      return
+    if self.ship.fuel_current / self.ship.fuel_capacity < 0.5:
+      try:
+        self.api.refuel(self.ship)
+      except Exception as e:
+        pass
+       
+  def step_orbit(self):
+    self.api.orbit(self.ship)
+  
+  def travel_steps(self, nm, destination, next_step):
+    destination = self.st(destination)
+    calc = partial(self.step_calculate_traject, destination)
+    return {
+      f'travel-{nm}': (self.step_orbit, f'calc-trav-{nm}'),
+      f'calc-trav-{nm}': (calc, f'go-{nm}'),
+      f'go-{nm}': (self.step_travel, {
+        'done': f'dock-{nm}',
+        'more': f'go-{nm}'
+      }),
+      f'dock-{nm}': (self.step_dock, f'refuel-{nm}'),
+      f'refuel-{nm}': (self.step_refuel, next_step)
+    }

nullptr/missions/haul.py

@@ -0,0 +1,25 @@
+from nullptr.missions.base import BaseMission, MissionParam
+from nullptr.models.waypoint import Waypoint
+from nullptr.models.survey import Survey
+from nullptr.models.contract import Contract
+class HaulMission(BaseMission):
+  def start_state(self):
+    return 'travel-to'
+  
+  @classmethod
+  def params(cls):
+    return {
+      'site': MissionParam(Waypoint, True),
+      'resource': MissionParam(str, True),
+      'dest': MissionParam(Waypoint, True),
+      'delivery': MissionParam(str, True, 'deliver'),
+      'contract': MissionParam(Contract, False)
+    }
+  
+  def steps(self):
+    return {
+      **self.travel_steps('to', 'site', 'load'),
+      'load': (self.step_load, 'travel-back'),
+      **self.travel_steps('back', 'dest', 'unload'),
+      'unload': (self.step_unload, 'travel-to'),
+    }

nullptr/missions/mine.py

@@ -0,0 +1,80 @@
+from nullptr.missions.base import BaseMission, MissionParam
+from nullptr.models.waypoint import Waypoint
+from nullptr.models.survey import Survey
+from nullptr.models.contract import Contract
+from nullptr.util import *
+
+class MiningMission(BaseMission): 
+  @classmethod
+  def params(cls):
+    return {
+      'site': MissionParam(Waypoint, True),
+      'resource': MissionParam(str, True),
+      'dest': MissionParam(Waypoint, True),
+      'delivery': MissionParam(str, True, 'deliver'),
+      'contract': MissionParam(Contract, False)
+    }
+  
+  def start_state(self):
+    return 'travel-to'
+    
+  def steps(self):
+    return {
+      **self.travel_steps('to', 'site', 'orbit1'),
+      'orbit1': (self.step_orbit, 'extract'),
+      'extract': (self.step_extract, {
+        'done': 'dock',
+        'more': 'extract'
+      }),
+      'dock': (self.step_dock, 'sell'),
+      'sell': (self.step_sell, {
+        'more': 'sell',
+        'done': 'orbit2',
+      }),
+      'orbit2': (self.step_orbit, 'jettison'),
+      'jettison': (self.step_dispose, {
+        'more': 'jettison',
+        'done': 'extract',
+        'full': 'travel-back'
+      }),
+      **self.travel_steps('back', 'dest', 'unload'),
+      'unload': (self.step_unload, {
+        'done': 'travel-to',
+        'more': 'unload'
+      }),
+    }
+  
+  def get_survey(self):
+    resource = self.st('resource')
+    site = self.rst(Waypoint,'site')
+    # todo optimize
+    for s in self.store.all(Survey):
+      if resource in s.deposits and site.symbol == s.waypoint():
+        return s
+    return None
+    
+  def step_extract(self):
+    survey = self.get_survey()
+    print('using survey:', str(survey)) 
+    result = self.api.extract(self.ship, survey)
+    symbol = sg(result,'extraction.yield.symbol')
+    units  = sg(result,'extraction.yield.units')
+    print('extracted:', units, symbol)
+    self.next_step = self.ship.cooldown
+    if self.ship.cargo_units < self.ship.cargo_capacity:
+      return 'more'
+    else:
+      return 'done'
+  
+  def step_dispose(self):
+    contract = self.rst(Contract, 'contract')
+    typs = self.ship.nondeliverable_cargo(contract)
+    if len(typs) > 0:
+      self.api.jettison(self.ship, typs[0])
+    if len(typs) > 1:
+      return 'more'
+    elif self.ship.cargo_units > self.ship.cargo_capacity - 3:
+      return 'full'
+    else:
+      return 'done'
+  

nullptr/missions/probe.py

@@ -0,0 +1,33 @@
+from nullptr.missions.base import BaseMission, MissionParam
+from nullptr.models.waypoint import Waypoint
+
+class ProbeMission(BaseMission):
+  def start_state(self):
+    return 'next-hop'
+  
+  @classmethod
+  def params(cls):
+    return {
+      'hops': MissionParam(list, True),
+      'next-hop': MissionParam(int, True, 0)
+    }
+  
+  def steps(self):
+    return {
+      'next-hop': (self.step_next_hop, 'travel-to'),
+      **self.travel_steps('to', 'site', 'market'),
+      'market': (self.step_market, 'next-hop'),
+ 
+    }
+  
+  def step_market(self):
+    loc = self.ship.location()
+    self.api.marketplace(loc)
+  
+  def step_next_hop(self):
+    hops = self.st('hops')
+    next_hop = self.st('next-hop')
+    hop = hops[next_hop]
+    self.sts('site', hop)
+    self.sts('next-hop', (next_hop+1) % len(hops))
+    

nullptr/missions/survey.py

@@ -0,0 +1,15 @@
+from nullptr.missions.base import BaseMission, MissionParam
+
+class SurveyMission(BaseMission):
+  def start_state(self):
+    return 'survey'
+  
+  def steps(self):
+    return {
+      'survey': (self.step_survey, 'survey')
+    }
+  
+  def step_survey(self):
+    result = self.api.survey(self.ship)
+    #pprint(result, 2)
+    self.next_step = self.ship.cooldown

nullptr/missions/travel.py

@@ -0,0 +1,16 @@
+from nullptr.missions.base import BaseMission, MissionParam
+from nullptr.models.waypoint import Waypoint
+
+class TravelMission(BaseMission):
+  def start_state(self):
+    return 'travel-to'
+  
+  @classmethod
+  def params(cls):
+    return {
+      'dest': MissionParam(Waypoint, True)
+    }
+  
+  def steps(self):
+    return self.travel_steps('to', 'dest', 'done')
+    

nullptr/models/agent.py

@@ -1,8 +1,9 @@
 from .base import Base
 
 class Agent(Base):
-  token: str = None
-  credits: int = 0
+  def define(self):
+    self.token: str = None
+    self.credits: int = 0
   
   def update(self, d):
     self.seta('credits', d)

nullptr/models/base.py

@@ -1,27 +1,34 @@
 from copy import deepcopy
-from dataclasses import dataclass
 from nullptr.util import sg
 
-@dataclass
 class Base:
+  identifier = 'symbol'
   symbol: str
   store: object
   
   def __init__(self, symbol, store):
+    self.disable_dirty = True
     self.store = store
     self.symbol = symbol
-  
+    self.define()
+    self.disable_dirty = False
+    
+  def define(self):
+    pass
+    
   def __hash__(self):
     return hash((str(type(self)), self.symbol))
   
   def __eq__(self, other):
     return self.symbol == other.symbol and type(self) == type(other)
     
-  def seta(self, attr,  d, name=None):
+  def seta(self, attr,  d, name=None, interp=None):
     if name is None:
       name = attr
     val = sg(d, name)
     if val is not None:
+      if interp is not None:
+        val = interp(val)
       setattr(self, attr, val)
   
   def setlst(self, attr, d, name, member):
@@ -31,12 +38,20 @@ class Base:
       setattr(self, attr, lst)
     
   def __setattr__(self, name, value):
-    if name not in ['symbol','store','__dict__']:
+    if name not in ['symbol','store','disable_dirty'] and not self.disable_dirty:
       self.store.dirty(self)
     super().__setattr__(name, value)
   
   def update(self, d):
     pass
+  
+  def is_expired(self):
+    return False
+    
+  def load(self, d):
+    self.disable_dirty = True
+    self.__dict__.update(d)
+    self.disable_dirty = False
     
   def dict(self):
     r = {}

nullptr/models/contract.py

@@ -0,0 +1,72 @@
+
+from time import time
+from nullptr.util import *
+from .base import Base
+
+class Contract(Base):
+  identifier = 'id'
+  def define(self):
+    self.type: str = ''
+    self.deliveries: list = []
+    self.accepted: bool = False
+    self.fulfilled: bool = False
+    self.expires: int = 0
+    self.expires_str: str = ''
+    self.pay: int = 0
+  
+  @classmethod
+  def ext(cls):
+    return 'cnt'
+  
+  def path(self):
+    return f'contracts/{self.symbol}.{self.ext()}'
+  
+  def is_expired(self):
+    return time() > self.expires
+  
+  def api_dict(self):
+    return {
+      'id': self.symbol.lower(),
+      'expiration': self.expires_str,
+    }
+  
+  def is_done(self):
+    for d in self.deliveries:
+      if d['units_fulfilled'] > d['units_requires']:
+        return False
+    return False
+  
+  def unfinished_delivery(self):
+    for d in self.deliveries:
+      if d['units_required'] > d['units_fulfilled']:
+        return d
+    return None
+    
+  def update(self, d):
+    self.seta('expires',d, 'terms.deadline',parse_timestamp)
+    self.seta('expires_str', d,'terms.deadline')
+    self.seta('accepted', d, 'accepted')
+    self.seta('fulfilled', d, 'fulfilled')
+    self.seta('type', d, 'type')
+    self.pay = mg(d, 'terms.payment.onAccepted') + mg(d, 'terms.payment.onFulfilled')
+    deliveries = must_get(d, 'terms.deliver')
+    self.deliveries = []
+    for e in deliveries:
+      delivery = {}
+      delivery['trade_symbol'] = must_get(e, 'tradeSymbol')
+      delivery['units_fulfilled'] = must_get(e, 'unitsFulfilled')
+      delivery['units_required'] = must_get(e, 'unitsRequired')
+      delivery['destination'] = must_get(e, 'destinationSymbol')
+      self.deliveries.append(delivery)
+
+  
+  def f(self, detail=1):
+    hours = int(max(0, self.expires - time()) / 3600)
+    accepted = 'A' if self.accepted else '-'
+    fulfilled = 'F' if self.fulfilled else '-'
+    result = f'{self.symbol} {hours}h {accepted}{fulfilled}'
+    if detail > 1:
+      result += '\n'
+      for d in self.deliveries:
+        result += f"({d['units_fulfilled']} / {d['units_required']}) {d['trade_symbol']} to {d['destination']}"
+    return result

nullptr/models/jumpgate.py

@@ -1,10 +1,11 @@
 from .system_member import SystemMember
-from typing import List
+from dataclasses import field
 
 class Jumpgate(SystemMember):
-  range: int
-  faction: str
-  systems:List[str] = []
+  def define(self):
+    self.range: int = 0
+    self.faction: str = ''
+    self.systems: list = []
   
   def update(self, d):
     self.setlst('systems', d, 'connectedSystems', 'symbol')
@@ -18,3 +19,10 @@ class Jumpgate(SystemMember):
   def path(self):
     sector, system, _ = self.symbol.split('-')
     return f'atlas/{sector}/{system[0:1]}/{system}/{self.symbol}.{self.ext()}'
+  
+  def f(self, detail=1):
+    r = self.symbol
+    if detail > 1:
+      r += '\n'
+      r += '\n'.join(self.systems)
+    return r

nullptr/models/marketplace.py

@@ -1,21 +1,58 @@
 
 from .system_member import SystemMember
-from typing import List
+from time import time
+from nullptr.util import *
+from dataclasses import field
 
 class Marketplace(SystemMember):
-  imports:List[str] = []
-  exports:List[str] = []
-  exchange:List[str] = []
+  def define(self):
+    self.imports:list = []
+    self.exports:list = []
+    self.exchange:list = []
+    self.prices:dict = {}
+    self.last_prices:int = 0
   
   def update(self, d):
     self.setlst('imports', d, 'imports', 'symbol')
     self.setlst('exports', d, 'exports', 'symbol')
     self.setlst('exchange', d, 'exchange', 'symbol')
+    if 'tradeGoods' in d:
+      self.last_prices = time()
+      prices = {}
+      for g in mg(d, 'tradeGoods'):
+        price = {}
+        symbol= mg(g, 'symbol')
+        price['symbol'] = symbol
+        price['buy'] = mg(g, 'purchasePrice')
+        price['sell'] = mg(g, 'sellPrice')
+        prices[symbol] = price
+      self.prices = prices
+  
+  def sellable_items(self, resources):
+    return [r for r in resources if r in self.prices]
     
   @classmethod
   def ext(self):
     return 'mkt'
   
+  def rtype(self, r):
+    if r in self.imports:
+      return 'I'
+    if r in self.exports:
+      return 'E'
+    if r in self.exchange:
+      return 'X'
+    return '?'
+    
   def path(self):
     sector, system, _ = self.symbol.split('-')
     return f'atlas/{sector}/{system[0:1]}/{system}/{self.symbol}.{self.ext()}'
+  
+  def f(self, detail=1):
+    r = self.symbol
+    if detail > 1:
+      r += '\n'
+      for p in self.prices.values():
+        t = self.rtype(p['symbol'])
+        r += f'{t} {p["symbol"]:25s} {p["sell"]:5d} {p["buy"]:5d}\n'
+    return r

nullptr/models/ship.py

@@ -0,0 +1,104 @@
+from .base import Base
+from time import time
+from nullptr.util import *
+from dataclasses import dataclass, field
+
+class Ship(Base):  
+  def define(self):
+    self.cargo:dict = {}
+    self.mission_state:dict = {}
+    self.status:str = ''
+    self.cargo_capacity:int = 0
+    self.cargo_units:int = 0
+    self.location_str = ''
+    self.cooldown:int = 0
+    self.arrival:int = 0
+    self.fuel_current:int = 0
+    self.fuel_capacity:int = 0
+    self.mission:str = None
+    self.mission_status:str = 'init'
+  
+  @classmethod
+  def ext(self):
+    return 'shp'
+  
+  def location(self):
+    return self.store.get('Waypoint', self.location_str)
+    
+  def path(self):
+    agent = self.symbol.split('-')[0]
+    return f'{agent}/{self.symbol}.{self.ext()}'
+
+  def update(self, d):
+    self.seta('status', d, 'nav.status')
+    self.seta('location_str', d, 'nav.waypointSymbol')
+    self.seta('cargo_capacity', d, 'cargo.capacity')
+    self.seta('cargo_units', d, 'cargo.units')
+    self.seta('fuel_capacity', d, 'fuel.capacity')
+    self.seta('fuel_current', d,'fuel.current')
+    cargo = sg(d, 'cargo.inventory')
+    if cargo is not None:
+      self.load_cargo(cargo)
+    self.seta('cooldown', d, 'cooldown.expiration', parse_timestamp)
+    self.seta('arrival', d, 'nav.route.arrival', parse_timestamp)
+    
+  def tick(self):
+    if self.status == 'IN_TRANSIT' and self.arrival < time():
+      self.status = 'IN_ORBIT'
+  
+  def is_cooldown(self):
+    return self.cooldown > time()
+  
+  def is_travelling(self):
+    return self.status == 'IN_TRANSIT'
+  
+  def set_mission_state(self, nm, val):
+    self.mission_state[nm] = val
+    self.store.dirty(self)
+
+  def get_cargo(self, typ):
+    if typ not in self.cargo:
+      return 0
+    return self.cargo[typ]
+    
+  def load_cargo(self, cargo):
+    result = {}
+    for i in cargo:
+      symbol = must_get(i, 'symbol')
+      units = must_get(i, 'units')
+      result[symbol] = units
+    self.cargo = result
+    
+  def deliverable_cargo(self, contract):
+    result = []
+    for d in contract.deliveries:
+      if self.get_cargo(d['trade_symbol']) > 0:
+        result.append(d['trade_symbol'])
+    return result
+    
+  def nondeliverable_cargo(self, contract):
+    cargo = self.cargo.keys()
+    deliveries = [d['trade_symbol'] for d in contract.deliveries]
+    garbage = [c for c in cargo if c not in deliveries]
+    return garbage
+  
+  def update_timers(self):
+    if self.status == 'IN_TRANSIT' and self.arrival < time():
+      self.status = 'IN_ORBIT'
+    
+    
+  def f(self, detail=1):
+    self.update_timers()
+    arrival = int(self.arrival - time())
+    cooldown = int(self.cooldown - time())
+    r = self.symbol
+    if detail > 1:
+      r += ' ' + self.status
+      r += f' [{self.fuel_current}/{self.fuel_capacity}]'
+      r += ' ' + str(self.location())
+      if self.is_travelling():
+        r += f' [A: {arrival}]'
+      if self.is_cooldown():
+        r += f' [C: {cooldown}]'
+    return r 
+  

nullptr/models/survey.py

@@ -0,0 +1,55 @@
+from time import time
+from nullptr.util import *
+from .system_member import SystemMember
+
+size_names = ['SMALL','MODERATE','LARGE']
+
+class Survey(SystemMember):
+  identifier = 'signature'
+  def define(self):
+    self.type: str = ''
+    self.deposits: list[str] = []
+    self.size: int = 0
+    self.expires: int = 0
+    self.expires_str: str = ''
+    self.exhausted: bool = False
+
+  @classmethod
+  def ext(cls):
+    return 'svy'
+  
+  def path(self):
+    sector, system, waypoint, signature = self.symbol.split('-')
+    return f'atlas/{sector}/{system[0:1]}/{system}/{self.symbol}.{self.ext()}'
+    
+  
+  def is_expired(self):
+    return time() > self.expires or self.exhausted
+  
+  def waypoint(self):
+    p = self.symbol.split('-')
+    return '-'.join(p[:3])
+    
+  def api_dict(self):
+    return {
+      'signature': self.symbol,
+      'symbol': self.waypoint(),
+      'deposits': [{'symbol': d} for d in self.deposits],
+      'expiration': self.expires_str,
+      'size': size_names[self.size]
+    }
+  
+  def update(self, d):
+    sz = must_get(d, 'size')
+    self.size = size_names.index(sz)
+    self.deposits = [d['symbol'] for d in must_get(d, 'deposits')]
+    self.seta('expires',d, 'expiration',parse_timestamp)
+    self.seta('expires_str',d, 'expiration')
+  
+  def f(self, detail=1):
+    result = self.symbol
+    if detail > 1:
+      result += ' ' + ','.join(self.deposits)
+      minutes = max(self.expires - time(), 0) //60
+      result += ' ' + str(int(minutes)) + 'm'
+    return result

nullptr/models/system.py

@@ -3,9 +3,10 @@ from .base import Base
 from math import sqrt
 
 class System(Base):
-  x:int = 0
-  y:int = 0
-  type:str = 'unknown'
+  def define(self):
+    self.x:int = 0
+    self.y:int = 0
+    self.type:str = 'unknown'
   
   def update(self, d):
     self.seta('x', d)
@@ -22,3 +23,6 @@ class System(Base):
   
   def distance(self, other):
     return int(sqrt((self.x - other.x) ** 2 + (self.y - other.y) ** 2))
+  
+  def sector(self):
+    return self.symbol.split('-')[0]

nullptr/models/waypoint.py

@@ -1,13 +1,14 @@
 from .system_member import SystemMember
 from nullptr.util import *
-from typing import List
+from dataclasses import field
 
 class Waypoint(SystemMember):
-  x:int = 0
-  y:int = 0
-  type:str = 'unknown'
-  traits:List[str]=[]
-  faction:str = ''
+  def define(self):
+    self.x:int = 0
+    self.y:int = 0
+    self.type:str = 'unknown'
+    self.traits:list = []
+    self.faction:str = ''
   
   def update(self, d):
     self.seta('x', d)

nullptr/store.py

@@ -6,6 +6,9 @@ from nullptr.models.agent import Agent
 from nullptr.models.marketplace import Marketplace
 from nullptr.models.system_member import SystemMember
 from nullptr.models.jumpgate import Jumpgate
+from nullptr.models.ship import Ship
+from nullptr.models.contract import Contract
+from nullptr.models.survey import Survey
 from os.path import isfile, dirname, isdir
 import os
 from os.path import basename
@@ -20,10 +23,13 @@ class Store:
     self.data = {m: {} for m in self.models}
     self.system_members = {}
     self.dirty_objects = set()
+    self.cleanup_interval = 600
+    self.last_cleanup = 0
   
   def init_models(self):
     self.models = all_subclasses(Base)
     self.extensions = {c.ext(): c for c in self.models}
+    self.model_names = {c.__name__: c for c in self.models}
     
   def dirty(self, obj):
     self.dirty_objects.add(obj)
@@ -44,8 +50,8 @@ class Store:
     
     typ = self.extensions[ext]
     obj = self.create(typ, symbol)
-    data['store'] = self
-    obj.__dict__ = data
+    obj.load(data)
+    obj.store = self
     return obj
   
   def load(self):
@@ -78,6 +84,9 @@ class Store:
     return obj
     
   def get(self, typ, symbol, create=False):
+    if type(typ) == str and typ in self.model_names:
+      typ = self.model_names[typ]
+    symbol = symbol.upper()
     if typ not in self.data:
       return None
     if symbol not in self.data[typ]:
@@ -87,28 +96,58 @@ class Store:
         return None
     return self.data[typ][symbol]
   
-  def update(self, typ, symbol, data):
+  def update(self, typ, data, symbol=None):
+    if type(typ) == str and typ in self.model_names:
+      typ = self.model_names[typ] 
+    if symbol is None:
+      symbol = mg(data, typ.identifier)
     obj = self.get(typ, symbol, True)
     obj.update(data)
     return obj
   
   def update_list(self, typ, lst):
-    return [self.update(typ, mg(d, 'symbol'), d) for d in lst]
+    return [self.update(typ, d) for d in lst]
     
   def all(self, typ):
+    if type(typ) == str and typ in self.model_names:
+      typ = self.model_names[typ]
+    
     for m in self.data[typ].values():
       yield m
   
   def all_members(self, system, typ=None):
+    if type(typ) == str and typ in self.model_names:
+      typ = self.model_names[typ]
+    
     if type(system) == System:
       system = system.symbol
+  
     if system not in self.system_members:
       return 
+      print('typ', typ)
     for m in self.system_members[system]:
       if typ is None or type(m) == typ:
         yield m
+    
+  def cleanup(self):
+    if time() < self.last_cleanup + self.cleanup_interval:
+      return
+    start_time = time()
+    expired = list()
+    for t in self.data:
+      for o in self.all(t):
+        if o.is_expired():
+          expired.append(o)
+    for o in expired:
+      path = o.path()
+      if isfile(path):
+        os.remove(path)
+      del self.data[type(o)][o.symbol]
+    dur = time() - start_time
+    # print(f'cleaned {len(expired)} in {dur:.03f} seconds')
       
   def flush(self):
+    self.cleanup()
     it = 0
     start_time = time()
     for obj in self.dirty_objects: