38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
"""
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ERC-20 monitoring sandbox
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An exercise exploring ABIs and chain events
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"""
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import requests
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from typing import Any, Optional, Dict
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JENNER_ADDRESS = '0x482702745260ffd69fc19943f70cffe2cacd70e9'
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def fetch_abi(
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address: str,
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headers: Optional[Dict[str, Any]] = None,
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params: Optional[Dict[str, Any]] = None
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) -> Optional[Dict[str, Any]]:
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# TODO: Ensure it is a well-formed address
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# TODO: Check for errors, such as a "status" key set to 0
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url = f'https://api.etherscan.io/api?module=contract&action=getabi&address={address}'
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try:
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response = requests.get(url, headers=headers, params=params)
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response.raise_for_status()
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return response.json()
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except requests.exceptions.RequestException as err:
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print(f'Error during the request: {err}')
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return None
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except ValueError as err:
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print(f'Error parsing JSON: {err}')
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def main():
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jenner_abi = fetch_abi(JENNER_ADDRESS)
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print(jenner_abi)
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if __name__ == '__main__':
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main()
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