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Fix poa chains #22

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merged 1 commit into from
Sep 28, 2022
Merged

Fix poa chains #22

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13 changes: 10 additions & 3 deletions src/collectors/evm.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
from settings import cfg, logger
from web3 import Web3
from web3.exceptions import ExtraDataLengthError
import asyncio
from helpers import strip_url, check_protocol, generate_labels_from_metadata
from collectors.ws import websocket_collector
Expand All @@ -23,22 +24,28 @@ def __init__(self, rpc_metadata):
})
self.ws_collector.setDaemon(True)
self.ws_collector.start()
self.record_difficulty = True

else:
logger.error("Please provide wss/ws endpoint for {}".format(strip_url(self.url)))
exit(1)

def probe(self) -> results:
results.register(self.url, self.labels_values)
try:
if self.client.isConnected():
results.register(self.url, self.labels_values)
results.record_health(self.url, True)
results.record_head_count(self.url, self.ws_collector.message_counter)
results.record_disconnects(self.url, self.ws_collector.disconnects_counter)
results.record_latency(self.url, self.ws_collector.get_latency())
results.record_block_height(self.url, self.client.eth.block_number)
results.record_total_difficulty(self.url, self.client.eth.get_block('latest')['totalDifficulty'])
results.record_difficulty(self.url, self.client.eth.get_block('latest')['difficulty'])
try:
if self.record_difficulty:
results.record_total_difficulty(self.url, self.client.eth.get_block('latest')['totalDifficulty'])
results.record_difficulty(self.url, self.client.eth.get_block('latest')['difficulty'])
except ExtraDataLengthError:
logger.info("It looks like this is a POA chain, and does not use difficulty anymore. Collector will ignore difficulty metric from this point on")
self.record_difficulty = False
results.record_gas_price(self.url, self.client.eth.gas_price)
results.record_max_priority_fee(self.url, self.client.eth.max_priority_fee)
results.record_client_version(self.url, self.client.clientVersion)
Expand Down