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Merge pull request #98 from flashbots/lag-block-listener

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Lag the block listener 5 blocks
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Luke Van Seters 2021-10-12 08:18:59 -07:00 committed by GitHub
commit ed463ad979
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1 changed files with 7 additions and 1 deletions
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8
listener.py
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@ -19,6 +19,10 @@ logging.basicConfig(filename="listener.log", level=logging.INFO)
logger = logging.getLogger(__name__)
# lag to make sure the blocks we see are settled
BLOCK_NUMBER_LAG = 5
def run():
rpc = os.getenv("RPC_URL")
if rpc is None:
@ -39,7 +43,9 @@ def run():
logger.info(f"Latest block: {latest_block_number}")
logger.info(f"Last written block: {last_written_block}")
if last_written_block is None or last_written_block < latest_block_number:
if (last_written_block is None) or (
last_written_block < (latest_block_number - BLOCK_NUMBER_LAG)
):
block_number = (
latest_block_number
if last_written_block is None