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Simplify logic for liquidator payback

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This commit is contained in:
Gui Heise 2021-09-24 17:15:45 -04:00
parent b215a1d9b2
commit 5b8072b271
1 changed files with 12 additions and 13 deletions
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25
mev_inspect/aave_liquidations.py
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@ -22,7 +22,7 @@ AAVE_CONTRACT_ADDRESSES: List[str] = [
] ]
def find_transfer_to_liquidator( def find_liquidator_payback(
trace: ClassifiedTrace, liquidator: str trace: ClassifiedTrace, liquidator: str
) -> Optional[ClassifiedTrace]: ) -> Optional[ClassifiedTrace]:
"""Check if transfer is to liquidator""" """Check if transfer is to liquidator"""
@ -53,7 +53,6 @@ def get_liquidations(
"""Inspect list of classified traces and identify liquidation""" """Inspect list of classified traces and identify liquidation"""
liquidations: List[Liquidation] = [] liquidations: List[Liquidation] = []
transfers_to: Dict = {}
for trace in traces: for trace in traces:
@ -72,19 +71,19 @@ def get_liquidations(
if child.classification == Classification.liquidate: if child.classification == Classification.liquidate:
traces.remove(child) traces.remove(child)
to_result = find_transfer_to_liquidator(child, liquidator) liquidator_payback = find_liquidator_payback(child, liquidator)
if to_result and not (
to_result.transaction_hash in transfers_to.keys()
):
transfers_to[str(trace.to_address)] = to_result
if "amount" in transfers_to[str(trace.to_address)].inputs: if liquidator_payback:
received_amount = int( assert isinstance(liquidator_payback.inputs, Dict)
transfers_to[str(trace.to_address)].inputs["amount"]
)
elif "wad" in transfers_to[str(trace.to_address)].inputs: if "amount" in liquidator_payback.inputs:
received_amount = int(transfers_to[str(trace.to_address)].inputs["wad"]) received_amount = int(liquidator_payback.inputs["amount"])
elif "wad" in liquidator_payback.inputs:
received_amount = int(liquidator_payback.inputs["wad"])
else:
received_amount = 0
liquidations.append( liquidations.append(
Liquidation( Liquidation(