makeRedeemerValidator

As said in [makeValidator], once on-chain contracts are not typed.

makeRedeemerValidator is used for contract that do not expect a datum as first argument.

the type signature is:

port function makeRedeemerValidator(
    typedValidator: Term<
        PLam<
            PType,
            PLam<
                typeof PScriptContext, 
                PBool
            >
        >
    >,
    errorMessage?: string
): TermFn<[PData,PData], PUnit>

as you can see it takes any typed validator and returns a generic untyped validator so that the node will be able to evaluate it correctly.

errorMessage

Optionally you can pass a string that will be included in the on-chain script and passed to ptrace in case of failure