mev-inspect-py/mev_inspect/miner_payments.py
2021-09-14 12:01:01 -04:00

63 lines
2.1 KiB
Python

from typing import List
from mev_inspect.schemas.classified_traces import ClassifiedTrace
from mev_inspect.schemas.miner_payments import MinerPayment
from mev_inspect.schemas.receipts import Receipt
from mev_inspect.traces import get_traces_by_transaction_hash
from mev_inspect.transfers import (
filter_transfers,
get_eth_transfers,
)
def get_miner_payments(
miner_address: str,
base_fee_per_gas: int,
traces: List[ClassifiedTrace],
receipts: List[Receipt],
) -> List[MinerPayment]:
miner_payments = []
traces_by_transaction_hash = get_traces_by_transaction_hash(traces)
for receipt in receipts:
transaciton_traces = traces_by_transaction_hash.get(
receipt.transaction_hash, []
)
if len(transaciton_traces) == 0:
continue
first_trace = sorted(transaciton_traces, key=lambda t: t.trace_address)[0]
eth_transfers = get_eth_transfers(transaciton_traces)
miner_eth_transfers = filter_transfers(
eth_transfers, to_address=miner_address.lower()
)
coinbase_transfer = sum(transfer.amount for transfer in miner_eth_transfers)
gas_cost = receipt.effective_gas_price * receipt.gas_used
total_gas_cost = gas_cost + coinbase_transfer
gas_price_with_coinbase_transfer = (
total_gas_cost / receipt.gas_used if receipt.gas_used != 0 else 0
)
miner_payments.append(
MinerPayment(
miner_address=miner_address,
block_number=receipt.block_number,
transaction_hash=receipt.transaction_hash,
transaction_index=receipt.transaction_index,
gas_price=receipt.effective_gas_price,
gas_price_with_coinbase_transfer=gas_price_with_coinbase_transfer,
base_fee_per_gas=base_fee_per_gas,
gas_used=receipt.gas_used,
coinbase_transfer=coinbase_transfer,
transaction_to_address=first_trace.to_address,
transaction_from_address=first_trace.from_address,
)
)
return miner_payments