46 lines
1.5 KiB
TypeScript
46 lines
1.5 KiB
TypeScript
import { EmbedBuilder, TextChannel } from 'discord.js';
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import { getGasPricesInGwei } from './blockchain';
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import { DiscordClient } from './discordClient';
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import redisClient from './redis';
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import { GasAlert } from '../types/gasAlert';
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const createGasPriceChecker = (client: DiscordClient) => {
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setInterval(async () => {
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try {
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const gasPrices = await getGasPricesInGwei();
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const gasAlerts: GasAlert[] = await redisClient
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.hVals('gas-alerts')
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.then((values) => values.map(val => JSON.parse(val)));
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gasAlerts.forEach(async (gasAlert) => {
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if (gasPrices.average <= gasAlert.threshold) {
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const channel = await client.channels.fetch(gasAlert.channelId) as TextChannel;
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const user = await client.users.fetch(gasAlert.userId);
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channel.send({
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embeds: [
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new EmbedBuilder()
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.setTitle('Gas price alert!')
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.setDescription(`<@${gasAlert.userId}>!
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Gas prices have fallen below your alert threshold of ${gasAlert.threshold} Gwei:
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⚡${gasPrices.fast} ⦚⦚ 🚶${gasPrices.average} ⦚⦚ 🐢${gasPrices.slow}`)
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.setColor('#FF8C00')
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],
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target: user
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})
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console.log(`Alerted ${user} under threshold ${gasAlert.threshold}: Removing alert...`)
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await redisClient.hDel('gas-alerts', `${gasAlert.userId}`)
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}
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});
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} catch (error) {
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console.log(`Error checking gas prices:\n`, error);
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}
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}, 15000);
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};
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export { createGasPriceChecker };
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