A CLI application to simplify Cardano node topology files updates.
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The Cardano blockchain does not yet have a production ready p2p feature to update topology files, although all required information is registered in the blockchain.
To find a temporary workaround, the Cardano community created a centralized API (known as CLIO1, api.clio.one) to exchange node's IP addresses and update their topology files.
The cardano-p2p application solves this issue and enables fully decentralized
topology file updates.
The cardano-p2p application:
- Connects to Ogmios websocket in order to get registered pool parameters found in the Cardano blockchain
- Verifies each pool metadata and sends a TCP probe to ensure their IP and port are still reachable
- Selects Cardano nodes that passed the above test in order to produce valid topology files
- Serves list of Cardano nodes randomly to ensure fairness and produce reliable Graphs topologies
cardano-p2p implements an API that is backward compatible with CLIO hosted service api.clio.one
and therefore is designed to simplify the transition.