QueryClientState returns a client state.

QueryClientStateABCI queries the store to get the light client state and a merkle proof.

QueryConsensusState returns a consensus state.

QueryConsensusStateABCI queries the store to get the consensus state of a light client and a merkle proof of its existence or non-existence.

QuerySelfConsensusState takes a client context and returns the appropriate tendermint consensus state.

QueryTendermintHeader takes a client context and returns the appropriate tendermint header.