{"functions": ["predict_market_order", "predict_vote_manager", "predict_mint", "predict_create", "predict_set_quote_token", "predict_limit_order", "predict_limit_order_cancel", "predict_submit"], "snippet": "K = 10**18\n\ndef _insert_order(addr, pair, order_type, order_start, order_new, quote_value, base_value):\n assert order_type in ['buy', 'sell']\n price = - quote_value * K // base_value\n order_id = order_start\n while True:\n order, _ = get('predict', f'{pair}_{order_type}', None, str(order_id))\n\n if order is None:\n put(addr, 'predict', f'{pair}_{order_type}',\n [addr, base_value, quote_value, price, None, None], str(order_new))\n order_new += 1\n put(addr, 'predict', f'{pair}_{order_type}_new', order_new)\n break\n\n if order_type == 'buy':\n cond = price > order[3]\n else:\n cond = price < order[3]\n\n if cond:\n next_order_id = order[5]\n put(addr, 'predict', f'{pair}_{order_type}',\n [addr, base_value, quote_value, price, order_id, next_order_id], str(order_new))\n if next_order_id is None:\n order_start = order_new\n put(addr, 'predict', f'{pair}_{order_type}_start', order_new)\n order[5] = order_new\n order_new += 1\n put(addr, 'predict', f'{pair}_{order_type}_new', order_new)\n\n put(addr, 'predict', f'{pair}_{order_type}', order, str(order_id))\n if next_order_id is not None:\n next_order, _ = get('predict', f'{pair}_{order_type}', None, str(next_order_id))\n if next_order is not None:\n next_order[4] = order[5]\n put(addr, 'predict', f'{pair}_{order_type}', next_order, str(next_order_id))\n break\n\n if order[4] is None:\n put(addr, 'predict', f'{pair}_{order_type}',\n [addr, base_value, quote_value, price, None, order_id], str(order_new))\n put(addr, 'predict', f'{pair}_{order_type}',\n [order[0], order[1], order[2], order[3], order_new, order[5]], str(order_id))\n order_new += 1\n put(addr, 'predict', f'{pair}_{order_type}_new', order_new)\n break\n\n order_id = order[4]\n return order_start, order_new\n\ndef _remove_order(addr, pair, order, order_start, buy_or_sell):\n assert buy_or_sell in ['buy', 'sell']\n if order[4]:\n prev_order, _ = get('predict', f'{pair}_{buy_or_sell}', None, str(order[4]))\n prev_order[5] = order[5]\n put(prev_order[0], 'predict', f'{pair}_{buy_or_sell}', prev_order, str(order[4]))\n\n if order[5]:\n next_order, _ = get('predict', f'{pair}_{buy_or_sell}', None, str(order[5]))\n next_order[4] = order[4]\n put(next_order[0], 'predict', f'{pair}_{buy_or_sell}', next_order, str(order[5]))\n\n if order[4] is not None and order[5] is None:\n order_start = order[4]\n put(addr, 'predict', f'{pair}_{buy_or_sell}_start', order_start)\n\n elif order[4] is None and order[5] is None:\n order_new, _ = get('predict', f'{pair}_{buy_or_sell}_new', 1)\n order_start = order_new\n put(addr, 'predict', f'{pair}_{buy_or_sell}_start', order_start)\n\n return order_start\n\ndef _update_slug_balance(addr, slug, tick, delta):\n prev, manager = get('predict', f'{slug}_{tick}_balance_new', None)\n balance_tuple, _ = get('predict', f'{slug}_{tick}_balance', None, addr)\n if balance_tuple is None:\n balance = 0\n put(manager, 'predict', f'{slug}_{tick}_balance_new', addr)\n else:\n balance = balance_tuple[0]\n prev = balance_tuple[1]\n balance += delta\n assert balance >= 0\n put(addr, 'predict', f'{slug}_{tick}_balance', [balance, prev], addr)\n\ndef _update_quote_balance(addr, quote_tick, delta):\n balance, _ = get(quote_tick, 'balance', 0, addr)\n balance += delta\n assert balance >= 0\n put(addr, quote_tick, 'balance', balance, addr)\n\n\ndef predict_limit_order(info, args):\n assert args['f'] == 'predict_limit_order'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n slug = args['a'][0]\n yes_or_no = args['a'][2]\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n assert yes_or_no in set(['yes', 'no'])\n\n pair = f'{slug}_{yes_or_no}'\n base_value = int(args['a'][1])\n quote_value = int(args['a'][3])\n assert base_value * quote_value < 0\n\n quote_tick, _ = get('predict', f'{slug}_quote_token', None)\n assert quote_tick, \"Slug not exists\"\n\n predict_buy_start, _ = get('predict', f'{pair}_buy_start', 1)\n predict_buy_new, _ = get('predict', f'{pair}_buy_new', 1)\n predict_sell_start, _ = get('predict', f'{pair}_sell_start', 1)\n predict_sell_new, _ = get('predict', f'{pair}_sell_new', 1)\n\n if base_value < 0 and quote_value > 0:\n buy_or_sell = 'sell'\n _update_slug_balance(addr, slug, yes_or_no, base_value)\n make_base = - base_value\n\n order_id = predict_sell_new\n predict_sell_start, predict_sell_new = _insert_order(addr, pair, 'sell', predict_sell_start, predict_sell_new, quote_value, base_value)\n\n elif base_value > 0 and quote_value < 0:\n buy_or_sell = 'buy'\n _update_quote_balance(addr, quote_tick, quote_value)\n make_base = base_value\n\n order_id = predict_buy_new\n predict_buy_start, predict_buy_new = _insert_order(addr, pair, 'buy', predict_buy_start, predict_buy_new, quote_value, base_value)\n\n predict_sell_id = predict_sell_start\n highest_buy_price = None\n\n take_base = 0\n take_quote = 0\n while True:\n sell, _ = get('predict', f'{pair}_sell', None, str(predict_sell_id))\n if not sell:\n break\n sell_price = sell[3]\n if highest_buy_price and sell_price > highest_buy_price:\n break\n\n predict_buy_id = predict_buy_start\n while True:\n buy, _ = get('predict', f'{pair}_buy', None, str(predict_buy_id))\n if not buy:\n break\n buy_price = buy[3]\n if highest_buy_price is None:\n highest_buy_price = buy_price\n if sell_price > buy_price:\n predict_buy_id = buy[4]\n continue\n\n matched_price = sell_price\n dx_base = min(-sell[1], buy[1])\n dx_quote = dx_base * matched_price // K\n sell[1] += dx_base\n sell[2] -= dx_quote\n buy[1] -= dx_base\n buy[2] += dx_quote\n take_base += dx_base\n take_quote += dx_quote\n\n _update_slug_balance(buy[0], slug, yes_or_no, dx_base)\n _update_quote_balance(sell[0], quote_tick, dx_quote)\n if buy[1] == 0:\n predict_buy_start = _remove_order(addr, pair, buy, predict_buy_start, 'buy')\n\n if buy[2] < 0:\n _update_quote_balance(buy[0], quote_tick, -buy[2])\n\n put(buy[0], 'predict', f'{pair}_buy', None, str(predict_buy_id))\n else:\n put(buy[0], 'predict', f'{pair}_buy', buy, str(predict_buy_id))\n\n if sell[1] == 0:\n break\n if buy[4] is None:\n break\n predict_buy_id = buy[4]\n\n if sell[1] == 0:\n predict_sell_start = _remove_order(addr, pair, sell, predict_sell_start, 'sell')\n\n if sell[1] < 0:\n _update_slug_balance(sell[0], slug, yes_or_no, -sell[1])\n\n put(sell[0], 'predict', f'{pair}_sell', None, str(predict_sell_id))\n else:\n put(sell[0], 'predict', f'{pair}_sell', sell, str(predict_sell_id))\n\n if sell[4] is None:\n break\n predict_sell_id = sell[4]\n\n make_base -= take_base\n assert make_base >= 0\n make_price = - quote_value * K // base_value\n event('PredictLimitMake', [pair, buy_or_sell, addr, make_base, make_price, order_id])\n if take_base > 0:\n take_price = take_quote * K // take_base\n event('PredictLimitTake', [pair, buy_or_sell, addr, take_base, take_price, order_id])\n\n\ndef predict_market_order(info, args):\n assert args['f'] == 'predict_market_order'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n slug = args['a'][0]\n yes_or_no = args['a'][2]\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n assert yes_or_no in set(['yes', 'no'])\n\n quote_tick, _ = get('predict', f'{slug}_quote_token', None)\n assert quote_tick, \"Slug not exists\"\n pair = f'{slug}_{yes_or_no}'\n\n base_value = args['a'][1]\n quote_value = args['a'][3]\n predict_sell_start, _ = get('predict', f'{pair}_sell_start', 1)\n predict_buy_start, _ = get('predict', f'{pair}_buy_start', 1)\n\n take_base = 0\n take_quote = 0\n if quote_value is None and int(base_value) < 0:\n buy_or_sell = 'sell'\n base_value = int(args['a'][1])\n [base_balance, _], _ = get('predict', f'{pair}_balance', [0, None], addr)\n\n predict_buy_id = predict_buy_start\n while True:\n buy, _ = get('predict', f'{pair}_buy', None, str(predict_buy_id))\n if buy is None:\n break\n\n price = buy[3]\n dx_base = min(buy[1], -buy[2] * K // price, -base_value)\n dx_quote = dx_base * price // K\n if dx_base == 0 or dx_quote == 0:\n break\n if base_balance - dx_base < 0:\n break\n buy[1] -= dx_base\n buy[2] += dx_quote\n take_base += dx_base\n take_quote += dx_quote\n base_balance -= dx_base\n\n if buy[1] == 0 or buy[1] * K // price == 0:\n predict_buy_start = _remove_order(addr, pair, buy, predict_buy_start, 'buy')\n if buy[2] < 0:\n _update_quote_balance(buy[0], quote_tick, -buy[2])\n\n put(buy[0], 'predict', f'{pair}_buy', None, str(predict_buy_id))\n else:\n put(buy[0], 'predict', f'{pair}_buy', buy, str(predict_buy_id))\n\n _update_slug_balance(buy[0], slug, yes_or_no, dx_base)\n base_value += dx_base\n assert base_value <= 0\n _update_quote_balance(addr, quote_tick, dx_quote)\n if buy[4] is None:\n break\n predict_buy_id = buy[4]\n\n _update_slug_balance(addr, slug, yes_or_no, -take_base)\n\n elif quote_value is None and int(base_value) > 0:\n buy_or_sell = 'buy'\n base_value = int(args['a'][1])\n quote_balance, _ = get(quote_tick, 'balance', 0, addr)\n\n predict_sell_id = predict_sell_start\n while True:\n sell, _ = get('predict', f'{pair}_sell', None, str(predict_sell_id))\n if sell is None:\n break\n\n price = sell[3]\n dx_base = min(-sell[1], quote_balance * K // price, base_value)\n dx_quote = dx_base * price // K\n if dx_base == 0 or dx_quote == 0:\n break\n if quote_balance - dx_quote < 0:\n break\n\n sell[1] += dx_base\n sell[2] -= dx_quote\n take_base += dx_base\n take_quote += dx_quote\n quote_balance -= dx_quote\n\n if sell[1] == 0 or sell[1] * K // price == 0:\n predict_sell_start = _remove_order(addr, pair, sell, predict_sell_start, 'sell')\n if sell[1] < 0:\n _update_slug_balance(sell[0], slug, yes_or_no, -sell[1])\n\n put(sell[0], 'predict', f'{pair}_sell', None, str(predict_sell_id))\n else:\n put(sell[0], 'predict', f'{pair}_sell', sell, str(predict_sell_id))\n\n _update_quote_balance(sell[0], quote_tick, dx_quote)\n base_value -= dx_base\n assert base_value >= 0\n _update_slug_balance(addr, slug, yes_or_no, dx_base)\n if sell[4] is None:\n break\n predict_sell_id = sell[4]\n\n _update_quote_balance(addr, quote_tick, -take_quote)\n\n elif base_value is None and int(quote_value) < 0:\n buy_or_sell = 'buy'\n quote_value = int(args['a'][3])\n quote_balance, _ = get(quote_tick, 'balance', 0, addr)\n\n predict_sell_id = predict_sell_start\n while True:\n sell, _ = get('predict', f'{pair}_sell', None, str(predict_sell_id))\n if sell is None:\n break\n\n price = sell[3]\n dx_base = min(-sell[1], -quote_value * K // price)\n dx_quote = dx_base * price // K\n if dx_base == 0 or dx_quote == 0:\n break\n if quote_balance - dx_quote < 0:\n break\n\n sell[1] += dx_base\n sell[2] -= dx_quote\n take_base += dx_base\n take_quote += dx_quote\n quote_balance -= dx_quote\n\n if sell[1] == 0 or sell[1] * K // price == 0:\n predict_sell_start = _remove_order(addr, pair, sell, predict_sell_start, 'sell')\n if sell[1] < 0:\n _update_slug_balance(sell[0], slug, yes_or_no, -sell[1])\n\n put(sell[0], 'predict', f'{pair}_sell', None, str(predict_sell_id))\n else:\n put(sell[0], 'predict', f'{pair}_sell', sell, str(predict_sell_id))\n\n _update_quote_balance(sell[0], quote_tick, dx_quote)\n quote_value += dx_quote\n assert quote_value <= 0\n _update_slug_balance(addr, slug, yes_or_no, dx_base)\n if sell[4] is None:\n break\n predict_sell_id = sell[4]\n\n _update_quote_balance(addr, quote_tick, -take_quote)\n\n elif base_value is None and int(quote_value) > 0:\n buy_or_sell = 'sell'\n quote_value = int(args['a'][3])\n [base_balance, _], _ = get('predict', f'{pair}_balance', [0, None], addr)\n\n predict_buy_id = predict_buy_start\n while True:\n buy, _ = get('predict', f'{pair}_buy', None, str(predict_buy_id))\n if buy is None:\n break\n\n price = buy[3]\n dx_base = min(buy[1], base_balance, quote_value * K // price)\n dx_quote = dx_base * price // K\n if dx_base == 0 or dx_quote == 0:\n break\n if base_balance - dx_base < 0:\n break\n\n buy[1] -= dx_base\n buy[2] += dx_quote\n take_base += dx_base\n take_quote += dx_quote\n base_balance -= dx_base\n\n if buy[1] == 0 or buy[1] * K // price == 0:\n predict_buy_start = _remove_order(addr, pair, buy, predict_buy_start, 'buy')\n if buy[2] < 0:\n _update_quote_balance(buy[0], quote_tick, -buy[2])\n\n put(buy[0], 'predict', f'{pair}_buy', None, str(predict_buy_id))\n else:\n put(buy[0], 'predict', f'{pair}_buy', buy, str(predict_buy_id))\n\n _update_slug_balance(buy[0], slug, yes_or_no, dx_base)\n quote_value -= dx_quote\n assert quote_value >= 0\n _update_quote_balance(addr, quote_tick, dx_quote)\n if buy[4] is None:\n break\n predict_buy_id = buy[4]\n\n _update_slug_balance(addr, slug, yes_or_no, -take_base)\n\n if take_base > 0:\n price = take_quote * K // take_base\n event('PredictMarketTake', [pair, buy_or_sell, addr, take_base, price])\n\n\ndef predict_limit_order_cancel(info, args):\n assert args['f'] == 'predict_limit_order_cancel'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n slug = args['a'][0]\n yes_or_no = args['a'][1]\n buy_or_sell = args['a'][2]\n predict_order_id = int(args['a'][3])\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n assert yes_or_no in set(['yes', 'no'])\n assert buy_or_sell in ['buy', 'sell']\n assert predict_order_id > 0\n\n pair = f'{slug}_{yes_or_no}'\n order_key = f'{pair}_{buy_or_sell}'\n quote_tick, _ = get('predict', f'{slug}_quote_token', None)\n order, _ = get('predict', order_key, None, str(predict_order_id))\n\n if order is None:\n return\n\n assert order[0] == addr, \"Sender is not the owner of the order\"\n prev_order_id = order[4]\n next_order_id = order[5]\n\n if prev_order_id is not None:\n prev_order, _ = get('predict', order_key, None, str(prev_order_id))\n if prev_order:\n prev_order[5] = next_order_id\n put(prev_order[0], 'predict', order_key, prev_order, str(prev_order_id))\n\n if next_order_id is not None:\n next_order, _ = get('predict', order_key, None, str(next_order_id))\n if next_order:\n next_order[4] = prev_order_id\n put(next_order[0], 'predict', order_key, next_order, str(next_order_id))\n\n start_key = f'{pair}_{buy_or_sell}_start'\n current_start, _ = get('predict', start_key, 1)\n if current_start == predict_order_id:\n if prev_order_id is not None:\n put(addr, 'predict', start_key, prev_order_id)\n else:\n new_start_key = f'{pair}_{buy_or_sell}_new'\n new_start_val, _ = get('predict', new_start_key, 1)\n put(addr, 'predict', start_key, new_start_val)\n\n if buy_or_sell == 'sell':\n if order[1] < 0:\n _update_slug_balance(addr, slug, yes_or_no, -order[1])\n elif buy_or_sell == 'buy':\n if order[2] < 0:\n _update_quote_balance(addr, quote_tick, -order[2])\n\n put(addr, 'predict', order_key, None, str(predict_order_id))\n event('PredictOrderCancel', [predict_order_id, buy_or_sell, pair])\n\n\ndef predict_create(info, args):\n assert args['f'] == 'predict_create'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n slug = args['a'][0]\n quote_tick = args['a'][1]\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n\n quote_tokens, _ = get('predict', 'quote_tokens', [])\n assert quote_tick in quote_tokens, f'{quote_tick} is not a designated quote token'\n\n manager, _ = get('predict', 'manager', None)\n assert manager == addr, f\"Sender must be the owner of predict system\"\n created, _ = get('predict', f'{slug}_quote_token', None)\n assert created is None, \"Slug already exists\"\n put(addr, 'predict', f'{slug}_quote_token', quote_tick)\n\n put(addr, 'predict', f'{slug}_yes_buy_start', 1)\n put(addr, 'predict', f'{slug}_yes_buy_new', 1)\n put(addr, 'predict', f'{slug}_yes_sell_start', 1)\n put(addr, 'predict', f'{slug}_yes_sell_new', 1)\n put(addr, 'predict', f'{slug}_yes_balance_new', None)\n\n put(addr, 'predict', f'{slug}_no_buy_start', 1)\n put(addr, 'predict', f'{slug}_no_buy_new', 1)\n put(addr, 'predict', f'{slug}_no_sell_start', 1)\n put(addr, 'predict', f'{slug}_no_sell_new', 1)\n put(addr, 'predict', f'{slug}_no_balance_new', None)\n\n event('PredictCreate', [slug, quote_tick, addr])\n\n\ndef predict_mint(info, args):\n assert args['f'] == 'predict_mint'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n slug = args['a'][0]\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n\n quote_tick, _ = get('predict', f'{slug}_quote_token', None)\n assert quote_tick, \"Slug is not created\"\n\n quote_value = int(args['a'][1])\n assert quote_value > 0\n\n _update_quote_balance(addr, quote_tick, -quote_value)\n\n #TODO: move the balance to the predict slug\n\n for tick in ['yes', 'no']:\n _update_slug_balance(addr, slug, tick, quote_value)\n\n event('PredictMint', [slug, addr, quote_value])\n\n\ndef predict_submit(info, args):\n assert args['f'] == 'predict_submit'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n manager, _ = get('predict', 'manager', None)\n assert manager is not None, \"Manager not set\"\n assert addr == manager, \"Only the manager can submit result\"\n\n slug = args['a'][0]\n yes_or_no = args['a'][1]\n assert set(slug) <= set(string.ascii_lowercase+string.digits+'_')\n assert yes_or_no in set(['yes', 'no'])\n lose_tick = 'no' if yes_or_no == 'yes' else 'yes'\n\n quote_tick, _ = get('predict', f'{slug}_quote_token', None)\n assert quote_tick, \"Slug not exists\"\n\n win_pair = f'{slug}_{yes_or_no}'\n win_sell_start, _ = get('predict', f'{win_pair}_sell_start', 1)\n win_buy_start, _ = get('predict', f'{win_pair}_buy_start', 1)\n\n predict_sell_id = win_sell_start\n while True:\n sell, _ = get('predict', f'{win_pair}_sell', None, str(predict_sell_id))\n if not sell:\n break\n next_id = sell[4]\n if sell[1] < 0:\n _update_slug_balance(sell[0], slug, yes_or_no, -sell[1])\n put(sell[0], 'predict', f'{win_pair}_sell', None, str(predict_sell_id))\n if next_id is None:\n break\n predict_sell_id = next_id\n\n predict_buy_id = win_buy_start\n while True:\n buy, _ = get('predict', f'{win_pair}_buy', None, str(predict_buy_id))\n if not buy:\n break\n next_id = buy[4]\n if buy[2] < 0:\n _update_quote_balance(buy[0], quote_tick, -buy[2])\n put(buy[0], 'predict', f'{win_pair}_buy', None, str(predict_buy_id))\n if next_id is None:\n break\n predict_buy_id = next_id\n\n put(addr, 'predict', f'{win_pair}_sell_start', None)\n put(addr, 'predict', f'{win_pair}_sell_new', None)\n put(addr, 'predict', f'{win_pair}_buy_start', None)\n put(addr, 'predict', f'{win_pair}_buy_new', None)\n\n win_balance_new, _ = get('predict', f'{win_pair}_balance_new', None)\n current_addr = win_balance_new\n while current_addr is not None:\n balance_tuple, _ = get('predict', f'{win_pair}_balance', None, current_addr)\n if balance_tuple is None:\n break\n balance, prev = balance_tuple\n assert balance >= 0\n _update_quote_balance(current_addr, quote_tick, balance)\n put(current_addr, 'predict', f'{win_pair}_balance', None, current_addr)\n current_addr = prev\n put(addr, 'predict', f'{win_pair}_balance_new', None)\n\n lose_pair = f'{slug}_{lose_tick}'\n lose_sell_start, _ = get('predict', f'{lose_pair}_sell_start', 1)\n lose_buy_start, _ = get('predict', f'{lose_pair}_buy_start', 1)\n\n predict_sell_id = lose_sell_start\n while True:\n sell, _ = get('predict', f'{lose_pair}_sell', None, str(predict_sell_id))\n if not sell:\n break\n next_id = sell[4]\n put(sell[0], 'predict', f'{lose_pair}_sell', None, str(predict_sell_id))\n if next_id is None:\n break\n predict_sell_id = next_id\n\n predict_buy_id = lose_buy_start\n while True:\n buy, _ = get('predict', f'{lose_pair}_buy', None, str(predict_buy_id))\n if not buy:\n break\n next_id = buy[4]\n put(buy[0], 'predict', f'{lose_pair}_buy', None, str(predict_buy_id))\n if next_id is None:\n break\n predict_buy_id = next_id\n\n put(addr, 'predict', f'{lose_pair}_sell_start', None)\n put(addr, 'predict', f'{lose_pair}_sell_new', None)\n put(addr, 'predict', f'{lose_pair}_buy_start', None)\n put(addr, 'predict', f'{lose_pair}_buy_new', None)\n\n balance_new, _ = get('predict', f'{lose_pair}_balance_new', None)\n current_addr = balance_new\n while current_addr is not None:\n balance_tuple, _ = get('predict', f'{lose_pair}_balance', None, current_addr)\n if balance_tuple is None:\n break\n _, prev = balance_tuple\n put(current_addr, 'predict', f'{lose_pair}_balance', None, current_addr)\n current_addr = prev\n put(addr, 'predict', f'{lose_pair}_balance_new', None)\n\n put(addr, 'predict', f'{slug}_quote_token', None)\n event('PredictSubmit', [slug, yes_or_no])\n\n\ndef predict_set_quote_token(info, args):\n assert args['f'] == 'predict_set_quote_token'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n manager, _ = get('predict', 'manager', None)\n assert manager is not None, \"Manager not set\"\n assert addr == manager, \"Only the manager can add quote tokens\"\n\n new_tokens = args['a'][0]\n assert isinstance(new_tokens, list), \"Quote tokens must be a list\"\n\n quote_tokens, _ = get('predict', 'quote_tokens', [])\n\n for token in new_tokens:\n assert isinstance(token, str), \"Token ticker must be a string\"\n assert set(token) <= set(string.ascii_uppercase+'_'), \"Invalid characters in token ticker\"\n if token not in quote_tokens:\n quote_tokens.append(token)\n\n put(addr, 'predict', 'quote_tokens', quote_tokens)\n\n\ndef predict_update_manager(info, args):\n assert args['f'] == 'predict_update_manager'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n manager, _ = get('predict', 'manager', None)\n if manager is not None:\n assert addr == manager, \"Only the current manager can change manager\"\n\n user = args['a'][0]\n assert isinstance(user, str), \"User address must be a string\"\n put(addr, 'predict', 'manager', user)\n event('PredictUpdateManager', [addr, user])\n\n\ndef predict_vote_manager(info, args):\n assert args['f'] == 'predict_vote_manager'\n sender = info['sender']\n addr = handle_lookup(sender)\n\n manager, _ = get('predict', 'manager', None)\n assert manager is None, \"Manager already set, use predict_set_manager instead\"\n\n committee_members, _ = get('committee', 'members', [])\n committee_members = set(committee_members)\n assert addr in committee_members, \"Only committee members can vote\"\n\n user = args['a'][0]\n assert isinstance(user, str), \"User address must be a string\"\n\n proposal_key = f'predict_manager:{user}'\n votes, _ = get('committee', 'proposal', [], proposal_key)\n votes = set(votes)\n votes.add(addr)\n\n if len(votes) >= len(committee_members) * 2 // 3:\n put(addr, 'predict', 'manager', user)\n put(addr, 'committee', 'proposal', [], proposal_key)\n event('PredictUpdateManager', [list(votes), user])\n else:\n put(addr, 'committee', 'proposal', list(votes), proposal_key)\n\n"}