Tracking ED trades

abi.json

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contract_observer.py

import json
from time import sleep, time
import web3

HTTP_PROVIDER_URL = 'http://<node-address>/'
ED_CONTRACT_ADDR = '0x8d12a197cb00d4747a1fe03395095ce2a5cc6819'
with open('abi.json') as f:
    ED_CONTRACT_ABI = json.load(f)

instance = web3.Web3(web3.HTTPProvider(HTTP_PROVIDER_URL))
print(instance.eth.blockNumber)

ed_contract = instance.eth.contract(ED_CONTRACT_ADDR, abi=ED_CONTRACT_ABI)
trades_filter = ed_contract.on('Trade', None)
orders_filter = ed_contract.on('Order', None)

while True:
    print("Run at", time())
    [print("Trade:", event, "\n") for event in trades_filter.get(only_changes=True)]
    [print("Order:", event, "\n") for event in orders_filter.get(only_changes=True)]
    sleep(5)