93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
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const express = require("express");
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const app = express();
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const port = 3000;
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const { MongoClient } = require("mongodb");
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const mongoURI = process.env.MONGODB_URI;
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if (!mongoURI) {
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console.error("You must set your 'MONGODB_URI' environmental variable.");
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process.exit(1);
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}
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const mongoClient = new MongoClient(mongoURI);
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app.get("/api/heartbeats", async (req, res) => {
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const database = mongoClient.db("wormhole");
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const heartbeats = database.collection("heartbeats");
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const cursor = heartbeats.find();
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const result = await cursor.toArray();
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res.send(result);
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});
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app.get("/api/vaas/:chain/:emitter/:sequence", async (req, res) => {
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const id = `${req.params.chain}/${req.params.emitter}/${req.params.sequence}`;
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const database = mongoClient.db("wormhole");
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const vaas = database.collection("vaas");
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const result = await vaas.findOne({ _id: id });
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if (!result) {
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res.sendStatus(404);
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return;
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}
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res.send(result);
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});
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app.get("/api/vaas", async (req, res) => {
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const database = mongoClient.db("wormhole");
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const vaas = database.collection("vaas");
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const limit =
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req.query?.limit && req.query.limit <= 100 ? req.query.limit : 20;
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const skip = req.query?.page ? req.query?.page * limit : undefined;
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const query = req.query?.before
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? { createdAt: { $lt: new Date(req.query.before) } }
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: {};
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const cursor = await vaas.find(query, {
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sort: { createdAt: -1 },
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skip,
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limit,
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});
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const result = await cursor.toArray();
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if (result.length === 0) {
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res.sendStatus(404);
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return;
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}
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res.send(result);
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});
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app.get("/api/observations/:chain/:emitter/:sequence", async (req, res) => {
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const id = `${req.params.chain}/${req.params.emitter}/${req.params.sequence}`;
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const database = mongoClient.db("wormhole");
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const observations = database.collection("observations");
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const cursor = observations.find({ _id: { $regex: `^${id}/*` } });
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const result = await cursor.toArray();
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if (result.length === 0) {
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res.sendStatus(404);
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return;
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}
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res.send(result);
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});
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app.get("/api/observations", async (req, res) => {
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const database = mongoClient.db("wormhole");
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const observations = database.collection("observations");
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const limit =
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req.query?.limit && req.query.limit <= 100 ? req.query.limit : 20;
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const skip = req.query?.page ? req.query?.page * limit : undefined;
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const query = req.query?.before
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? { createdAt: { $lt: new Date(req.query.before) } }
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: {};
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const cursor = await observations.find(query, {
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sort: { createdAt: -1 },
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skip,
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limit,
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});
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const result = await cursor.toArray();
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if (result.length === 0) {
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res.sendStatus(404);
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return;
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}
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res.send(result);
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});
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app.listen(port, () => {
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console.log(`Example app listening on port ${port}`);
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});
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