import {AssertionMatcher} from "../interfaces.js";

export const everySlotMatcher: AssertionMatcher = ({slot}) => slot >= 0;
export const everyEpochMatcher: AssertionMatcher = ({slot, clock}) => clock.isLastSlotOfEpoch(slot);
export const neverMatcher: AssertionMatcher = () => false;
export const onceOnSlotMatcher = (userSlot: number): AssertionMatcher => ({slot}) =>
  slot === userSlot ? {remove: true, match: true} : false;
export const onceOnStartupMatcher = onceOnSlotMatcher(1);