Randomness Beacon Pallet

This pallet facilitates the aggregation and verification of randomness pulses from an external verifiable randomness beacon, such as drand's Quicknet. It enables runtime access to externally sourced, cryptographically secure randomness while ensuring that only properly signed pulses are accepted. In addition, it is responsible for triggering dispatch logic to deliver randomness across subscribers.

Usage

This pallet is intended to be used alongside a node that consumes pulses of randomness from a randomness beacon (e.g. with the [GossipsubNetwork]). In order for pulses to be verified, a root account must specify the beacon public key and a genesis round from which the network should start consuming pulses. This must be set with the set_beacon_config extrinsic.

The Drand Quicknet public key is 83cf0f2896adee7eb8b5f01fcad3912212c437e0073e911fb90022d3e760183c8c4b450b6a0a6c3ac6a5776a2d1064510d1fec758c921cc22b0e17e63aaf4bcb5ed66304de9cf809bd274ca73bab4af5a6e9c76a4bc09e76eae8991ef5ece45a.

Building

cargo build

Testing

Unit Tests

cargo test

We use nextest and llvm-cov for code coverage reporting. To produce an html report, run:

cargo llvm-cov --html nextest

License

Apache-2.0