This extrinsic triggers the cleanup of all the HRMP storage items that a para may have.
Normally this happens once per session, but this allows you to trigger the cleanup
immediately for a specific parachain.
Number of inbound and outbound channels for para must be provided as witness data.
This extrinsic triggers the cleanup of all the HRMP storage items that a para may have. Normally this happens once per session, but this allows you to trigger the cleanup immediately for a specific parachain.
Number of inbound and outbound channels for
paramust be provided as witness data.Origin must be the
ChannelManager.