Release v0.4.0

perun-node v0.4.0 is the first regular development release after complete re-implementation done in v0.3.0.

Newly added:

1. perunnode executable binary for running an instance of perun node.
2. perunnodecli interactive applicaton as reference client implementation for connecting to perun node.
3. Implemented option to close a session.
4. Support for persistence. Close a session with open channels, restore it later and transact on the restored channels.

Improvements:

1. Updated go-perun dependency to include the following changes:
   • Channel nonce is created from randomness contributed from both participants of the channel.
   • Use of transactor interface abstraction for initializing contract backend.
2. Updated payment channel API to use consistent data formats.
3. Combined channel close subscription and channel update subscription into one.

For detailed information on changes covered in the release, see the milestone 10.