BlockchainInfo

The txs.blockchaininfo is designed to fetch transfer subgraph from the Bitcoin blockchain explorer, i.e., blockchain.info. Specifically, txs.blockchaininfo aims at searching for the source and destination of funds from a given transaction.

Usage

Run the spider using the following command:

scrapy crawl txs.blockchaininfo \
-a source=YourSourceTxhash \
-a strategy=BlockchainSpider.strategies.txs.BFS \
-a out=/path/to/your/data

Parameters

• source: The starting transaction hash for collecting transaction data. This parameter is required.
• strategy: (optional) The traversal strategy for collecting transactions. Default is BlockchainSpider.strategies.txs.BFS (Breadth-First Search). BlockchainSpider implements other advanced strategies, e.g., Poison, APPR, and TTR. For more details, please refer to Transaction tracing section.
• out: (optional) The output directory for storing the collected data. Default is ./data.