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Merged
sweetmantech merged 4 commits into from
Nov 24, 2025
Merged

/api/image/generate - prod uses Base mainnet #179

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665ef96
/api/image/generate - prod uses Base mainnet
sweetmantech Nov 24, 2025
7aa05b5
fix facilitator to work on base mainnet
sweetmantech Nov 24, 2025
086224f
SRP - variables to make code easier to read
sweetmantech Nov 24, 2025
73eb3ae
SRP - getFacilitator
sweetmantech Nov 24, 2025
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9 changes: 6 additions & 3 deletions .env.example
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Expand Up @@ -27,6 +27,9 @@ REDIS_URL=your_vercel_redis_url
TRIGGER_SECRET_KEY=tr_dev_xxxxxxxxxx

# Coinbase
CDP_APP_KEY_ID=your_coinbase_developer_platform_app_key_id
CDP_SECRET=your_coinbase_developer_platform_secret
CDP_PAYMASTER_KEY=your_coinbase_paymaster_key
CDP_API_KEY_ID=your_coinbase_developer_platform_app_key_id
CDP_API_KEY_SECRET=your_coinbase_developer_platform_secret
CDP_PAYMASTER_KEY=your_coinbase_paymaster_key

# Environment
NODE_ENV=production
6 changes: 3 additions & 3 deletions lib/coinbase/client.ts
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@@ -1,10 +1,10 @@
import { Coinbase } from "@coinbase/coinbase-sdk";

const apiKeyName = process.env.CDP_APP_KEY_ID;
const privateKey = process.env.CDP_SECRET;
const apiKeyName = process.env.CDP_API_KEY_ID;
const privateKey = process.env.CDP_API_KEY_SECRET;

if (!apiKeyName || !privateKey) {
throw new Error("CDP_APP_KEY_ID and CDP_SECRET must be set");
throw new Error("CDP_API_KEY_ID and CDP_API_KEY_SECRET must be set");
}

/**
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1 change: 1 addition & 0 deletions lib/consts.ts
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Expand Up @@ -20,6 +20,7 @@ export const CHAT_POINT_SYSTEM_ID = 4172;
export const AGENT_RUN = "agent_run";
export const MESSAGE_SENT_POINT = 1;
export const MESSAGE_SENT_EVENT = "message_sent";
export const IS_PROD = process.env.NODE_ENV === "production";

export const ENTERPRISE_DOMAINS: ReadonlySet<string> = new Set([
"recoupable.com",
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12 changes: 12 additions & 0 deletions lib/x402/getFacilitator.ts
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@@ -0,0 +1,12 @@
import { facilitator as coinbaseHostedFacilitator } from "@coinbase/x402";
import type { FacilitatorConfig, Resource } from "x402/types";
import { IS_PROD } from "../consts";

const FACILITATOR_URL: Resource = "https://x402.org/facilitator";

export const getFacilitator = (): FacilitatorConfig =>
IS_PROD
? coinbaseHostedFacilitator
: {
url: FACILITATOR_URL,
};
25 changes: 14 additions & 11 deletions lib/x402/paymentMiddleware.ts
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@@ -1,36 +1,39 @@
import { paymentMiddleware } from "x402-express";
import type { RequestHandler } from "express";
import { IS_PROD } from "../consts";
import { getFacilitator } from "./getFacilitator";

const RECEIVING_WALLET_ADDRESS = "0x749B7b7A6944d72266Be9500FC8C221B6A7554Ce";
const FACILITATOR_URL = "https://x402.org/facilitator";

type RoutesConfig = Parameters<typeof paymentMiddleware>[1];

const price = IS_PROD ? "$0.01" : "$0.0001";
const network = IS_PROD ? "base" : "base-sepolia";
const facilitator = getFacilitator();

const routeConfig = {
"GET /api/image/generate": {
price: "$0.001",
network: "base-sepolia" as const,
price,
network,
config: {
description: "Generate images using AI",
inputSchema: {
type: "object" as const,
type: "object",
properties: {
location: { type: "string" as const, description: "City name" },
location: { type: "string", description: "City name" },
},
},
outputSchema: {
type: "object" as const,
type: "object",
properties: {
weather: { type: "string" as const },
temperature: { type: "number" as const },
weather: { type: "string" },
temperature: { type: "number" },
},
},
},
},
} as RoutesConfig;

export const createPaymentMiddleware = (): RequestHandler => {
return paymentMiddleware(RECEIVING_WALLET_ADDRESS, routeConfig, {
url: FACILITATOR_URL,
});
return paymentMiddleware(RECEIVING_WALLET_ADDRESS, routeConfig, facilitator);
};
1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -51,6 +51,7 @@
"tsconfig-paths": "^4.2.0",
"uuid": "^11.0.5",
"viem": "^2.37.5",
"x402": "^0.7.3",
"x402-express": "^0.7.3",
"zod": "^4.1.12"
},
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9 changes: 6 additions & 3 deletions pnpm-lock.yaml
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