crowetic/mev-inspect-py
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remove unused conversion fn

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This commit is contained in:
Taarush Vemulapalli 2021-10-13 07:15:40 -07:00
parent 050114407e
commit dd7909c024
1 changed files with 0 additions and 29 deletions
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29
mev_inspect/compound_liquidations.py
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@ -35,35 +35,6 @@ def fetch_all_comp_markets(w3: Web3) -> Dict[str, str]:
return c_token_mapping
def fetch_underlying_ctoken_exchange_rate(
c_token_address: str, block_number: int, w3: Web3, comp_markets: Dict[str, str]
) -> float:
comp_v2_ctoken_abi = get_raw_abi("CToken", Protocol.compound_v2)
ctoken_instance = w3.eth.contract(
address=Web3.toChecksumAddress(c_token_address), abi=comp_v2_ctoken_abi
)
raw_exchange_rate = ctoken_instance.functions.exchangeRateCurrent().call(
block_identifier=block_number
)
# format based on decimals in ctoken and the underlying token
# see "Interpreting Exchange Rates" https://compound.finance/docs#protocol-math
underlying_token_address = comp_markets[c_token_address.lower()]
decimals_in_underlying = fetch_erc20_token_decimals(underlying_token_address, w3)
decimals_in_ctoken = fetch_erc20_token_decimals(c_token_address, w3)
return raw_exchange_rate / (
10 ** (18 + decimals_in_underlying - decimals_in_ctoken)
)
def fetch_erc20_token_decimals(token_address: str, w3: Web3) -> int:
token_abi = get_raw_abi("ERC20", None)
token_instance = w3.eth.contract(
address=Web3.toChecksumAddress(token_address), abi=token_abi
)
decimals = token_instance.functions.decimals().call()
return decimals
def get_compound_liquidations(
traces: List[ClassifiedTrace], collateral_by_c_token_address: Dict[str, str]
) -> List[Liquidation]: