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Adjust liquidator payback logic

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This commit is contained in:
Gui Heise 2021-10-05 16:27:50 -04:00
parent 5274619081
commit d7be215bb9
1 changed files with 9 additions and 17 deletions
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26
mev_inspect/aave_liquidations.py
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@ -1,4 +1,4 @@
from typing import List, Optional from typing import List, Tuple
from mev_inspect.traces import ( from mev_inspect.traces import (
get_child_traces, get_child_traces,
@ -51,17 +51,9 @@ def get_aave_liquidations(
trace.transaction_hash, trace.trace_address, traces trace.transaction_hash, trace.trace_address, traces
) )
payback_transfer = _get_liquidator_payback(child_traces, liquidator) received_amount, received_token_address = _get_liquidator_payback(
trace, child_traces, liquidator
if payback_transfer: )
assert isinstance(payback_transfer, ERC20Transfer)
received_amount = payback_transfer.amount
received_token_address = payback_transfer.token_address
else:
received_amount = 0
received_token_address = trace.inputs["_collateral"]
print(received_token_address)
liquidations.append( liquidations.append(
Liquidation( Liquidation(
@ -78,13 +70,13 @@ def get_aave_liquidations(
block_number=trace.block_number, block_number=trace.block_number,
) )
) )
print(liquidations)
return liquidations return liquidations
def _get_liquidator_payback( def _get_liquidator_payback(
child_traces: List[ClassifiedTrace], liquidator: str liquidation: DecodedCallTrace, child_traces: List[ClassifiedTrace], liquidator: str
) -> Optional[ERC20Transfer]: ) -> Tuple[int, str]:
"""Look for and return liquidator payback from liquidation""" """Look for and return liquidator payback from liquidation"""
for child in child_traces: for child in child_traces:
@ -95,6 +87,6 @@ def _get_liquidator_payback(
if (child_transfer.to_address == liquidator) and ( if (child_transfer.to_address == liquidator) and (
child.from_address in AAVE_CONTRACT_ADDRESSES child.from_address in AAVE_CONTRACT_ADDRESSES
): ):
return child_transfer return child_transfer.amount, child_transfer.token_address
return None return 0, liquidation.inputs["_collateral"]