RegisterCodec registers all necessary param module types with a given codec.

ValidateChange performs basic validation checks over a set of ParamChange.

ModuleName defines the name of the module.

ProposalTypeChange defines the type for a ParameterChangeProposal.

RouterKey defines the routing key for a ParameterChangeProposal.

ModuleCdc - generic sealed codec to be used throughout module.

ParamChange defines a parameter change.

ParameterChangeProposal defines a proposal which contains multiple parameter changes.