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poly-p2-crawler

This script automates fetching, paginating, and storing transaction data from the Optimism Sepolia Blockscout API into a CSV file for analysis, specifically targeting transactions of the PolyP2 Contract.

Requirements

  • Python 3.x
  • Requests library (pip install requests)

Instructions

  1. Ensure you have Python 3.x installed on your system.
  2. Install the Requests library by running pip install requests in your terminal or command prompt.
  3. Replace the value of current_params_file with the path to your current_params.txt file. If the file does not exist or emtpy, it will be created automatically.
  4. Execute the script.

Usage

python3 crawler.py

Script flow

  • The script will read parameters from the current_params.txt file, construct the API URL, and fetch transaction data.
  • Transaction data will be saved to ./data/transaction.csv.
  • If the file size exceeds 50 MB, the current transaction file will be archived, and a new one will be created using the template transaction.csv.
  • Archived transaction files will be stored in the ./data/ directory.
  • Progress and API URLs will be printed during execution.
  • The script will continue fetching data until there are no more pages to retrieve.

Notes

  • Ensure proper network connectivity to access the Optimism Sepolia Blockscout API.
  • Customize the field names in the fieldnames list of the save_to_csv function according to your requirements.
  • Review and adjust the API URL construction logic (api_url_base) if necessary.
  • Modify file paths and names as needed to match your directory structure and preferences.

Disclaimer

This script is provided as-is without any warranty. Use it at your own risk. Ensure compliance with API usage policies and data protection regulations.