@chest-gate/proxy

x402 reverse proxy engine for Chest. Powers @chest-gate/cli and the chest.sh cloud server. Use it directly if you want to embed an x402-paid gate inside your own Node service.

npm i @chest-gate/proxy

Quick start

import { createProxy } from "@chest-gate/proxy";

const server = await createProxy({
  upstream: "http://localhost:8004",
  payoutWallet: "<your-solana-pubkey>",
  network: "devnet",
  port: 4004,
  routes: [{ method: "GET", pattern: "/price/:symbol", price: "$0.01" }],
});

await server.listen();

What's exported

• createProxy — boot the x402 reverse proxy
• createFacilitator — Solana settlement signer
• TransactionStore — local SQLite store for paid calls
• computeSplitAmounts, callDistribute — on-chain revenue splitter
• signDeployMessage, verifyDeploySignature — gate-deploy signature scheme
• signAppMessage, verifyAppSignature — app-manifest signature scheme
• generateApiKey, hashApiKey, extractReferrerKeyFromHeader, REFERRER_KEY_HEADER — cg_pub_live_* referrer keys (sent on X-Chest-Referrer-Key, not Authorization)
• resolveReferrer — parse and verify referrer attribution
• Session JWT helpers, route matcher, type exports

Documentation

Full docs: https://chest.sh

License

MIT