Type Alias hrmp_init_open_channel

hrmp_init_open_channel: TxDescriptor<{
    proposed_max_capacity: number;
    proposed_max_message_size: number;
    recipient: number;
}>

Initiate opening a channel from a parachain to a given recipient with given channel parameters.

proposed_max_capacity - specifies how many messages can be in the channel at once.
proposed_max_message_size - specifies the maximum size of the messages.

These numbers are a subject to the relay-chain configuration limits.

The channel can be opened only after the recipient confirms it and only on a session change.