oscope/src/config.mjs at main · oscope/oscope

oscope/src/config.mjs

OScope OScope: open source memecoin terminal for Solana f8ff931·

Oct 20, 2026

Code

45 lines (41 loc) · 2.51 KB

	// Settings come from the environment, or from a .env file next to package.json (see .env.example).
	// Every setting has a default: OScope runs with no .env at all.
	import fs from 'node:fs';
	import path from 'node:path';
	import { fileURLToPath } from 'node:url';

	export const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');

	// .env: KEY=value lines; a value already set in the environment wins
	try {
	for (const line of fs.readFileSync(path.join(ROOT, '.env'), 'utf8').split(/\r?\n/)) {
	const m = line.match(/^\s([A-Z_][A-Z0-9_])\s=\s(.?)\s$/i);
	if (m && process.env[m[1]] == null) process.env[m[1]] = m[2].replace(/^(['"])(.*)\1$/, '$2');
	}
	} catch {}

	const env = process.env;
	const num = (v, d) => (v != null && v !== '' && Number.isFinite(+v) ? +v : d);

	export const config = {
	port: num(env.PORT, 3000),
	portFixed: env.PORT != null && env.PORT !== '', // a port you chose is never swapped for a free one
	host: env.HOST \|\| '127.0.0.1',
	// Live pump.fun + PumpSwap trade stream (JSON, one message per transaction). Free, no key, no sign-up.
	feedUrl: env.FEED_URL \|\| 'wss://stream.pumpapi.io/',
	// OScope shares its one stream connection at ws://localhost:<port>/firehose for your own tools. "off" turns it off.
	firehose: (env.FIREHOSE \|\| 'on').toLowerCase() !== 'off',
	dataDir: path.resolve(ROOT, env.DATA_DIR \|\| 'data'),
	// Public IPFS gateways asked for coin pictures and metadata, in this order (comma separated, each ending in /ipfs/).
	ipfsGateways: (env.IPFS_GATEWAYS \|\| 'https://ipfs.filebase.io/ipfs/,https://4everland.io/ipfs/,https://pump.mypinata.cloud/ipfs/').split(',').map(s => s.trim()).filter(s => /^https:\/\/[^\s]+\/ipfs\/$/.test(s)),
	// A curve coin moves from New Pairs to Final Stretch at this bonding-curve progress (percent).
	stretchAt: num(env.STRETCH_AT, 60),
	// New Pairs keeps coins younger than this (minutes).
	newMaxAgeMin: num(env.NEW_MAX_AGE_MIN, 60),
	// Coins kept per Pulse column (the page filters further).
	columnCap: num(env.COLUMN_CAP, 80),
	// Trades kept in memory per coin that is on screen, open or young (the coin page's trade list reads these).
	tradeCap: num(env.TRADE_CAP, 1000),
	// Quiet coins are dropped from memory after this many minutes without a trade.
	idleDropMin: num(env.IDLE_DROP_MIN, 120),
	// Coins kept in memory at most; the ones traded least recently go first.
	maxCoins: num(env.MAX_COINS, 6000),
	// A line in the terminal every N seconds saying how many trades came in (0 = off).
	logEvery: num(env.LOG_EVERY, 15),
	};