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issue #477: add coin decay #492

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9 changes: 9 additions & 0 deletions src/components/cron.ts
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import {
import { updateMemberRole, getRoleName, loadRoleMembers } from '../utils/roles';
import { CodeyUserError } from '../codeyUserError';
import { logger } from '../logger/default';
import { openDB } from './db';

const NOTIF_CHANNEL_ID: string = vars.NOTIF_CHANNEL_ID;
const OFFICE_STATUS_CHANNEL_ID: string = vars.OFFICE_STATUS_CHANNEL_ID;
Expand All @@ -38,6 +39,7 @@ export const initCrons = async (client: Client): Promise<void> => {
createCoffeeChatCron(client).start();
createOfficeStatusCron(client).start();
assignCodeyRoleForLeaderboard(client).start();
createCoinDecayCron().start();
};

interface officeStatus {
Expand Down Expand Up @@ -165,3 +167,10 @@ export const assignCodeyRoleForLeaderboard = (client: Client): CronJob =>
}
});
});

// Decays the Codey Coin Balances on January 1, May 1, and September 1
export const createCoinDecayCron = (): CronJob =>
new CronJob('0 0 1 1,5,9 *', async function () {
const db = await openDB();
await db.run('UPDATE user_coin SET balance = ROUND(balance / 3)');
});