only fetch listed tokens for pools

bots/data.py

@@ -245,7 +245,7 @@ def from_tuple(
     @classmethod
     @cache_in_seconds(SUGAR_LPS_CACHE_MINUTES * 60)
     async def get_pools(cls) -> List["LiquidityPool"]:
-        tokens = await Token.get_all_tokens()
+        tokens = await Token.get_all_listed_tokens()
         prices = await Price.get_prices(tokens)
 
         tokens = {t.token_address: t for t in tokens}
@@ -278,6 +278,9 @@ def match_score(query: str, symbol: str):
             return fuzz.token_sort_ratio(query, symbol)
 
         pools = await cls.get_pools()
+        pools = list(
+            filter(lambda p: p.token0 is not None and p.token1 is not None, pools)
+        )
         pools_with_ratio = list(map(lambda p: (p, match_score(query, p.symbol)), pools))
         pools_with_ratio.sort(key=lambda p: p[1], reverse=True)
 

tests/test_data.py

@@ -53,8 +53,9 @@ async def test_liquidity_pool_stats():
     for pool in pools:
         tvl = await LiquidityPool.tvl([pool])
         fields = [
-            pool.token0,
-            pool.token1,
+            # XX: these can be None for non listed tokens
+            # pool.token0,
+            # pool.token1,
             pool.is_stable,
             pool.pool_fee_percentage,
             pool.apr(tvl),