substreams-sink-redis/dist/src/serve.js

Substreams Redis sink module

import { URLSearchParams } from "url";
import * as http from "../substreams-sink/http.js";
import { banner } from './banner.js';
import { TS_INFO, INFO, TS_RANGE, GET } from './redis.js';
export function serve(client) {
    http.server.on("request", async (req, res) => {
        if (!req.url)
            return;
        const params = new URLSearchParams(req.url.split("?")[1] ?? "");
        try {
            if (req.method == "GET") {
                if (req.url === "/")
                    return toText(res, banner());
                if (req.url.startsWith("/GET"))
                    return toText(res, await GET(client, params));
                if (req.url.startsWith("/INFO"))
                    return toJSON(res, await INFO(client));
                if (req.url.startsWith("/TS/INFO"))
                    return toJSON(res, await TS_INFO(client, params));
                if (req.url.startsWith("/TS/RANGE"))
                    return toJSON(res, await TS_RANGE(client, params));
            }
            throw new Error(`invalid request`);
        }
        catch (err) {
            res.statusCode = 400;
            return res.end(err.message);
        }
    });
}
function toText(res, data) {
    res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8' });
    return res.end(data);
}
function toJSON(res, data) {
    res.writeHead(200, { 'Content-Type': 'application/json' });
    return res.end(JSON.stringify(data, null, 2));
}
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