TODO:.

CleanPacketI defines the standard interface for TIBC clean packets.

ClientState defines the required common functions for light clients.

ConsensusState is the state of the consensus process.

Header is the consensus state update information.

Height is a wrapper interface over client.Height all clients must use the concrete implementation in types.

PacketI defines the standard interface for IBC packets.

Path implements spec:CommitmentPath.

Prefix implements spec:CommitmentPrefix.

Root implements spec:CommitmentRoot.