From be19c4227587908b541794e8985fa5208fb25bd4 Mon Sep 17 00:00:00 2001 From: Gui Heise Date: Mon, 6 Dec 2021 11:52:41 -0500 Subject: [PATCH 1/2] add start and end route check --- mev_inspect/arbitrages.py | 1 + 1 file changed, 1 insertion(+) diff --git a/mev_inspect/arbitrages.py b/mev_inspect/arbitrages.py index c13c8fe..5819dde 100644 --- a/mev_inspect/arbitrages.py +++ b/mev_inspect/arbitrages.py @@ -95,6 +95,7 @@ def _get_all_start_end_swaps(swaps: List[Swap]) -> List[Tuple[Swap, Swap]]: == potential_end_swap.token_out_address and potential_start_swap.from_address == potential_end_swap.to_address and not potential_start_swap.from_address in pool_addrs + and potential_start_swap != potential_end_swap ): valid_start_ends.append((potential_start_swap, potential_end_swap)) return valid_start_ends From d2a181477466a981eaac4e0db0b407234f1d6955 Mon Sep 17 00:00:00 2001 From: Gui Heise Date: Mon, 6 Dec 2021 15:18:32 -0500 Subject: [PATCH 2/2] skip start swap --- mev_inspect/arbitrages.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mev_inspect/arbitrages.py b/mev_inspect/arbitrages.py index 5819dde..90a46d0 100644 --- a/mev_inspect/arbitrages.py +++ b/mev_inspect/arbitrages.py @@ -88,14 +88,14 @@ def _get_all_start_end_swaps(swaps: List[Swap]) -> List[Tuple[Swap, Swap]]: """ pool_addrs = [swap.contract_address for swap in swaps] valid_start_ends: List[Tuple[Swap, Swap]] = [] - for potential_start_swap in swaps: - for potential_end_swap in swaps: + for index, potential_start_swap in enumerate(swaps): + remaining_swaps = swaps[:index] + swaps[index + 1 :] + for potential_end_swap in remaining_swaps: if ( potential_start_swap.token_in_address == potential_end_swap.token_out_address and potential_start_swap.from_address == potential_end_swap.to_address and not potential_start_swap.from_address in pool_addrs - and potential_start_swap != potential_end_swap ): valid_start_ends.append((potential_start_swap, potential_end_swap)) return valid_start_ends