From 60933459406d3667e31c943420492b33d2557584 Mon Sep 17 00:00:00 2001 From: Fabiano Cruz Date: Fri, 10 Jul 2026 08:25:19 -0300 Subject: [PATCH] x402-demo: Base mainnet + CDP facilitator, drop watchPatterns MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Env-driven network (X402_NETWORK=eip155:8453 → Base mainnet) with the authenticated Coinbase CDP facilitator for verify/settle (the public x402.org facilitator is Sepolia-only). Default stays Base Sepolia. Drops railway.json watchPatterns, which never matched under the --path-as-root manual upload and silently SKIPPED deploys. This is the state already running in prod on x402.codespar.dev (deployed via manual railway up); this commit makes it durable in main. Only the four demo files change — no catalog packages touched. Co-Authored-By: Claude Fable 5 --- examples/x402-demo/package-lock.json | 1394 ++++++++++++++++++++++++-- examples/x402-demo/package.json | 1 + examples/x402-demo/railway.json | 5 +- examples/x402-demo/server.ts | 47 +- 4 files changed, 1357 insertions(+), 90 deletions(-) diff --git a/examples/x402-demo/package-lock.json b/examples/x402-demo/package-lock.json index f4b52b6e..e8a931cc 100644 --- a/examples/x402-demo/package-lock.json +++ b/examples/x402-demo/package-lock.json @@ -8,6 +8,7 @@ "name": "x402-demo", "version": "1.0.0", "dependencies": { + "@coinbase/x402": "^2.1.0", "@x402/core": "^2.9.0", "@x402/evm": "^2.9.0", "@x402/express": "^2.9.0", @@ -29,6 +30,69 @@ "license": "MIT", "peer": true }, + "node_modules/@coinbase/cdp-sdk": { + "version": "1.51.2", + "resolved": "https://registry.npmjs.org/@coinbase/cdp-sdk/-/cdp-sdk-1.51.2.tgz", + "integrity": "sha512-o4IEwXbyAjfhPQWoFBuqnV1JQGLk4NlUVMzH/ur4voPSjYZvlYFVuOoE/eEcsoPFN28xaWTBvqebwncQL8h8fQ==", + "license": "MIT", + 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"https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz", @@ -1359,10 +2544,25 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/has-tostringtag": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz", + "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==", + "license": "MIT", + "dependencies": { + "has-symbols": "^1.0.3" + }, + "engines": { + "node": ">= 0.4" + }, + "funding": { + "url": "https://github.com/sponsors/ljharb" + } + }, "node_modules/hasown": { - "version": "2.0.2", - "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz", - "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==", + "version": "2.0.4", + "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz", + "integrity": 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@@ "node": ">= 0.4" } }, + "node_modules/md5": { + "version": "2.3.0", + "resolved": "https://registry.npmjs.org/md5/-/md5-2.3.0.tgz", + "integrity": "sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==", + "license": "BSD-3-Clause", + "dependencies": { + "charenc": "0.0.2", + "crypt": "0.0.2", + "is-buffer": "~1.1.6" + } + }, "node_modules/media-typer": { "version": "0.3.0", "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz", @@ -1635,6 +2864,15 @@ "node": ">= 0.10" } }, + "node_modules/proxy-from-env": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz", + "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==", + "license": "MIT", + "engines": { + "node": ">=10" + } + }, "node_modules/punycode": { "version": "2.3.1", "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz", @@ -1944,6 +3182,12 @@ "node": ">=14.17" } }, + "node_modules/uncrypto": { + "version": "0.1.3", + "resolved": "https://registry.npmjs.org/uncrypto/-/uncrypto-0.1.3.tgz", + "integrity": "sha512-Ql87qFHB3s/De2ClA9e0gsnS6zXG27SkTiSJwjCc9MebbfapQfuPzumMIUMi38ezPZVNFcHI9sUIepeQfw8J8Q==", + "license": "MIT" + }, "node_modules/undici-types": { "version": "7.18.2", "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz", diff --git a/examples/x402-demo/package.json b/examples/x402-demo/package.json index adfe9b04..a5ba92f4 100644 --- a/examples/x402-demo/package.json +++ b/examples/x402-demo/package.json @@ -8,6 +8,7 @@ "client": "tsx client.ts" }, "dependencies": { + "@coinbase/x402": "^2.1.0", "@x402/core": "^2.9.0", "@x402/evm": "^2.9.0", "@x402/express": "^2.9.0", diff --git a/examples/x402-demo/railway.json b/examples/x402-demo/railway.json index da19d9f5..d5c53ef0 100644 --- a/examples/x402-demo/railway.json +++ b/examples/x402-demo/railway.json @@ -2,8 +2,7 @@ "$schema": "https://railway.com/railway.schema.json", "build": { "builder": "DOCKERFILE", - "dockerfilePath": "Dockerfile", - "watchPatterns": ["examples/x402-demo/**"] + "dockerfilePath": "Dockerfile" }, "deploy": { "healthcheckPath": "/api/health", @@ -11,4 +10,4 @@ "restartPolicyType": "ON_FAILURE", "restartPolicyMaxRetries": 3 } -} +} \ No newline at end of file diff --git a/examples/x402-demo/server.ts b/examples/x402-demo/server.ts index 95c9eb98..5833321b 100644 --- a/examples/x402-demo/server.ts +++ b/examples/x402-demo/server.ts @@ -1,10 +1,17 @@ /** - * x402 Demo Server — Express with 402 paywall on Base Sepolia + * x402 Demo Server — Express with 402 paywall on Base (mainnet or Sepolia) * * This server protects endpoints with micropayment paywalls. * When an agent (or any HTTP client) hits a protected endpoint, * it receives HTTP 402 with payment instructions. The x402 client - * automatically pays USDC on Base Sepolia and retries. + * automatically pays USDC on Base and retries. + * + * Network is env-driven: + * X402_NETWORK=eip155:8453 -> Base MAINNET (real USDC). Requires + * CDP_API_KEY_ID + CDP_API_KEY_SECRET: mainnet verify/settle goes through + * the Coinbase CDP facilitator (the public x402.org facilitator is + * Sepolia-only). + * unset / eip155:84532 -> Base Sepolia (faucet USDC), public facilitator. * * Run: npx tsx server.ts */ @@ -14,13 +21,26 @@ import express from "express"; import { paymentMiddleware, x402ResourceServer } from "@x402/express"; import { ExactEvmScheme } from "@x402/evm/exact/server"; import { HTTPFacilitatorClient } from "@x402/core/server"; +import { facilitator as cdpFacilitator } from "@coinbase/x402"; config(); const serverAddress = process.env.SERVER_ADDRESS as `0x${string}`; -const facilitatorUrl = process.env.FACILITATOR_URL || "https://x402.org/facilitator"; +const network = (process.env.X402_NETWORK || "eip155:84532") as `eip155:${string}`; +const isMainnet = network === "eip155:8453"; + +// Mainnet verify/settle requires the CDP facilitator (authenticated). +// Testnet keeps the public facilitator (overridable via FACILITATOR_URL). +const facilitatorClient = isMainnet + ? new HTTPFacilitatorClient(cdpFacilitator) + : new HTTPFacilitatorClient({ + url: process.env.FACILITATOR_URL || "https://x402.org/facilitator", + }); -const facilitatorClient = new HTTPFacilitatorClient({ url: facilitatorUrl }); +if (isMainnet && (!process.env.CDP_API_KEY_ID || !process.env.CDP_API_KEY_SECRET)) { + console.error("X402_NETWORK is mainnet but CDP_API_KEY_ID/CDP_API_KEY_SECRET are missing."); + process.exit(1); +} const app = express(); @@ -32,7 +52,7 @@ app.use( accepts: { scheme: "exact", price: "$0.001", - network: "eip155:84532", // Base Sepolia + network, payTo: serverAddress, }, description: "Real-time market data feed", @@ -42,23 +62,25 @@ app.use( accepts: { scheme: "exact", price: "$0.01", - network: "eip155:84532", + network, payTo: serverAddress, }, description: "Premium AI-powered market analysis", mimeType: "application/json", }, }, - new x402ResourceServer(facilitatorClient).register( - "eip155:84532", - new ExactEvmScheme() - ), + new x402ResourceServer(facilitatorClient).register(network, new ExactEvmScheme()), ), ); // Free endpoint (no paywall) app.get("/api/health", (_req, res) => { - res.json({ status: "ok", protocol: "x402", network: "base-sepolia" }); + res.json({ + status: "ok", + protocol: "x402", + network: isMainnet ? "base" : "base-sepolia", + chain: network, + }); }); // Paywalled endpoints @@ -91,7 +113,8 @@ app.get("/api/premium-analysis", (_req, res) => { const PORT = Number(process.env.PORT) || 4021; app.listen(PORT, () => { console.log(`\n x402 Demo Server running on http://localhost:${PORT}`); - console.log(` Network: Base Sepolia (eip155:84532)`); + console.log(` Network: ${isMainnet ? "Base MAINNET (real USDC)" : "Base Sepolia"} (${network})`); + console.log(` Facilitator: ${isMainnet ? "Coinbase CDP (authenticated)" : "public x402.org"}`); console.log(` Payee: ${serverAddress}\n`); console.log(` Endpoints:`); console.log(` GET /api/health — free`);