fix scaling of objective in combinatorial auction test

Objective in competition data is in wei, the rest of the test works with
ETH. With this fix, the objective is now correctly scaled to ETH as well.

Author: fhenneke

src/monitoring_tests/combinatorial_auction_surplus_test.py

@@ -163,7 +163,8 @@ def get_token_pairs_surplus(
         if len(surplus_dict) == 1:
             for token_pair in surplus_dict:
                 surplus_dict[token_pair] = min(
-                    surplus_dict[token_pair], solution["objective"]["total"]
+                    surplus_dict[token_pair],
+                    Fraction(solution["objective"]["total"]) / 10**18,
                 )
 
         return surplus_dict

tests/e2e/combinatorial_auction_surplus_test.py

@@ -25,7 +25,9 @@ def test_surplus(self) -> None:
         # tx_hash = "0xe28b92ba73632d6b167fdb9bbfec10744ce208536901dd43379a6778c4408536"
         # tx_hash = "0xad0ede9fd68481b8ef4722d069598898e01d61427ccb378ca4c82c772c6644e0"
         # tx_hash = "0xead8f01e8e24fdc306fca8fcac5146edc22c27e49a7aad6134adc2ad50ba8581"
-        tx_hash = "0x6200e744e5d6f9990271be53840c01044cc19f3a8526190e1eaac0bc5fefed85"
+        # tx_hash = "0x6200e744e5d6f9990271be53840c01044cc19f3a8526190e1eaac0bc5fefed85"
+        # uncovered bug with wrong scaling of objective
+        tx_hash = "0x97b2f8402d239e16b62b7cc2302ed77ac8fa40d63114ab6804041c9d3b9e6b81"
         self.assertTrue(surplus_test.run(tx_hash))