import { verify_discord_signature } from "https://esm.town/v/mattx/verify_discord_signature?v=8"; import { blob } from "https://esm.town/v/std/blob"; let bank = await blob.getJSON("bank"); let bets = await blob.getJSON("bets"); const starting_amount = 5; if (!bank) { bank = {}; await blob.setJSON("bank", bank); } if (!bets) { bets = []; await blob.setJSON("bets", bets); } export const handleDiscordInteraction = async (req: Request) => { if (req.method === "GET") return new Response("GET Method Not Allowed", { status: 405 }); const body = await req.json(); const verified = await verify_discord_signature( Deno.env.get("discordPublicKey"), JSON.stringify(body), req.headers.get("X-Signature-Ed25519"), req.headers.get("X-Signature-Timestamp"), ); // Get the user calling this slash command const userId = await body.member?.user?.id; if (bank[userId] === undefined) bank[userId] = starting_amount; if (!verified) { return new Response("signature invalid", { status: 401, statusText: "signature invalid", }); } // PING if (body.type === 1) return Response.json({ type: 1 }); // PONG // APPLICATION_COMMAND interactions if (body.type === 2) { const command = body.data?.name; const options = body.data?.options; if (command === "balance") { const amount = bank[userId]; return Response.json({ type: 4, data: { content: `You have ${amount} <:jopacoin:954159801049440297>`, }, }); } if (command === "tip") { const recipientId = options[0].value; const tipAmount = options[1].value; if (tipAmount <= 0) { return Response.json({ type: 4, data: { content: `You cannot tip less than 0 <:jopacoin:954159801049440297>, <@${userId}>. Nice try though.`, }, }); } if (tipAmount > bank[userId]) { return Response.json({ type: 4, data: { content: `You cannot tip more than you have <:jopacoin:954159801049440297>, <@${userId}>. Nice try though.`, }, }); } bank[userId] -= tipAmount; if (bank[recipientId] === undefined) { bank[recipientId] = starting_amount; } bank[recipientId] += tipAmount; await blob.setJSON("bank", bank); return Response.json({ type: 4, data: { content: `<@${userId}> has tipped <@${recipientId}> ${tipAmount} <:jopacoin:954159801049440297>!`, }, }); } if (command === "bet") { const party2 = options[0].value; const betAmount = options[1].value; const description = options[2].value; const mediatorId = options[3].value; if (betAmount <= 0) { return Response.json({ type: 4, data: { content: `Bet amount must be greater than 0 <:jopacoin:954159801049440297>.`, }, }); } if (betAmount > bank[userId]) { return Response.json({ type: 4, data: { content: `You cannot bet more than you have <:jopacoin:954159801049440297>, <@${userId}>.`, }, }); } if ([userId, party2].includes(mediatorId)) { return Response.json({ type: 4, data: { content: `The mediator cannot be the person placing or receiving the bet.`, }, }); } const newBet = { party1: userId, party2: party2, amount: betAmount, description: description, mediator: mediatorId, active: true, }; bets.push(newBet); await blob.setJSON("bets", bets); return Response.json({ type: 4, data: { content: `Bet registered: <@${userId}> bets ${betAmount} <:jopacoin:954159801049440297> against <@${party2}>. Description: ${description}. Mediator: <@${mediatorId}>.`, }, }); } if (command === "mediate") { const activeBets = bets.filter(bet => bet.active && bet.mediator === userId); if (activeBets.length === 0) { return Response.json({ type: 4, data: { content: `There are no active bets for you to mediate.`, }, }); } const activeBetsDescriptions = activeBets.map((bet, index) => { return `${ index + 1 }. <@${bet.party1}> vs. <@${bet.party2}>: ${bet.amount} <:jopacoin:954159801049440297> - ${bet.description}`; }).join("\n"); return Response.json({ type: 4, data: { content: `Active bets:\n${activeBetsDescriptions}\nReply with the bet number and the winner's ID to resolve, or 'nullify' to cancel the bet.`, }, }); } if (command === "resolve") { const betIndex = options[0].value - 1; const result = options[1].value; if (betIndex < 0 || betIndex >= bets.length || !bets[betIndex].active) { return Response.json({ type: 4, data: { content: `Invalid bet number.`, }, }); } const bet = bets[betIndex]; if (bet.mediator !== userId) { return Response.json({ type: 4, data: { content: `You are not the mediator for this bet.`, }, }); } if (result === "nullify") { bet.active = false; await blob.setJSON("bets", bets); return Response.json({ type: 4, data: { content: `Bet nullified: <@${bet.party1}> vs. <@${bet.party2}>.`, }, }); } const winnerId = result; if (![bet.party1, bet.party2].includes(winnerId)) { return Response.json({ type: 4, data: { content: `Invalid winner ID.`, }, }); } bet.active = false; bank[winnerId] += bet.amount; await blob.setJSON("bets", bets); await blob.setJSON("bank", bank); return Response.json({ type: 4, data: { content: `<@${winnerId}> has won the bet of ${bet.amount} <:jopacoin:954159801049440297>! Bet: <@${bet.party1}> vs. <@${bet.party2}>.`, }, }); } return new Response("Bad request", { status: 400, statusText: "Bad request", }); } return new Response("Not handled", { status: 422 }); };