118 lines
4.4 KiB
Python
118 lines
4.4 KiB
Python
import asyncio
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import json
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import re
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import warnings
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from datetime import datetime, timezone
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from json import JSONDecodeError
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from web3 import Web3
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from web3_multi_provider import FallbackProvider
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from common import *
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from logs import *
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warnings.filterwarnings("ignore")
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web3 = Web3(FallbackProvider(json.loads(os.getenv('RPC_SERVER'))))
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log_contract = web3.eth.contract(
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os.getenv('LOG_CONTRACT_ADDRESS'),
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abi=json.load(open("./data/abi/{}".format(os.getenv('LOG_CONTRACT_ABI_FILE'))))
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)
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block_cache = {}
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async def keep_chat_updated(event_filter, poll_interval):
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while True:
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for event in event_filter.get_new_entries():
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output_line(event)
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await asyncio.sleep(poll_interval)
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def preload_chat(earliest_block, latest_block):
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event_logs = web3.eth.get_logs({
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"fromBlock": int(earliest_block),
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"toBlock": int(latest_block),
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"topics": [os.getenv('LOG_TOPIC')],
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"address": os.getenv('LOG_CONTRACT_ADDRESS')
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})
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for log in event_logs:
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output_line(log)
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def load_chat(latest_block):
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event_filter = web3.eth.filter({
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"fromBlock": int(latest_block),
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"topics": [os.getenv('LOG_TOPIC')],
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"address": os.getenv('LOG_CONTRACT_ADDRESS')
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})
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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while True:
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try:
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asyncio.run(keep_chat_updated(event_filter, 2))
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except KeyboardInterrupt:
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break
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def output_line(log):
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try:
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tx_receipt = web3.eth.get_transaction_receipt(log.transactionHash)
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decoded_data = log_contract.events.LogEvent().process_receipt(tx_receipt)
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except Exception as e:
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return
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if decoded_data[0]['args']['Aura'] and decoded_data[0]['args']['Soul']:
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# get the block and save it to cache
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block_number = tx_receipt['blockNumber']
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if block_number not in block_cache:
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block_cache[block_number] = web3.eth.get_block(block_number)
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# log the message and output to console
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message = "{}:{} {}".format(decoded_data[0]['args']['Soul'], decoded_data[0]['args']['Aura'], decoded_data[0]['args']['LogLine'])
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log_message(os.getenv('CHANNEL_NAME'), message)
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timestamp = datetime.fromtimestamp(block_cache[block_number]['timestamp'], tz=timezone.utc)
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print("[{}] {}".format(timestamp.strftime("%Y-%m-%d %H:%M:%S"), message if os.getenv('SHOW_AURA_AND_SOUL') != '0' else decoded_data[0]['args']['LogLine']))
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# save latest block number
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room = json.load(open(room_file := "{}/rooms/{}.json".format(os.getenv('DATA_FOLDER'), os.getenv('CHANNEL_NAME')), 'r'))
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room['last_block'] = tx_receipt['blockNumber']
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open(room_file, 'w').write(json.dumps(room))
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if __name__ == '__main__':
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# create the log and rooms folder if it doesn't exist
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os.makedirs("{}/logs/".format(os.getenv('DATA_FOLDER')), exist_ok=True)
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os.makedirs("{}/rooms/".format(os.getenv('DATA_FOLDER')), exist_ok=True)
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# create the rooms file if it doesn't exist
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try:
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room = json.load(open(room_file := "{}/rooms/{}.json".format(os.getenv('DATA_FOLDER'), os.getenv('CHANNEL_NAME')), 'r')) # TODO: change this to target an address
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except (JSONDecodeError, FileNotFoundError):
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room = {
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"label": os.getenv('CHANNEL_NAME'),
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"last_block": 0,
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"preloaded": False,
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}
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open(room_file, 'w').write(json.dumps(room))
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log_file = "{}/logs/{}.log".format(os.getenv('DATA_FOLDER'), "VOID")
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# grab the entire log if the log file doesn't exist
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if not room['preloaded']:
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if os.path.exists(log_file):
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os.remove(log_file)
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latest_block = web3.eth.get_block('latest')
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block_cache[latest_block.number] = latest_block
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start_block_number = os.getenv('START_BLOCK')
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preload_chat(start_block_number, latest_block.number)
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room['preloaded'] = True
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room['last_block'] = latest_block.number
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else:
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# print past log to console
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logs = read_file_to_list(log_file)
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for i, log in enumerate(logs):
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if os.getenv('SHOW_AURA_AND_SOUL') != '0':
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print(log)
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else:
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match = re.match(r'^.*( [\d]+:[\d]+) .*$', log)
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if match:
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print(log.replace(match.group(1), ''))
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open(room_file, 'w').write(json.dumps(room))
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# check for new messages
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load_chat(room['last_block'])
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