export interface Config {
// Nostr relay
relayUrl: string;
// Aggregator settings
aggregatorUrl: string;
aggregatorApiKey: string;
// MCP server identity
privateKeyHex: string | null;
nametag: string;
// Payment settings
coinId: string;
amount: bigint;
// Day pass duration in hours
dayPassDurationHours: number;
// Payment confirmation timeout in seconds
paymentTimeoutSeconds: number;
// Data directory for persistence
dataDir: string;
// Admin password for sensitive operations
adminPassword: string;
// HTTP port for MCP transport
httpPort: number;
}
function generatePassword(): string {
const chars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz23456789";
let password = "";
for (let i = 0; i < 16; i++) {
password += chars.charAt(Math.floor(Math.random() * chars.length));
}
return password;
}
export function loadConfig(): Config {
// Private key is optional - will be auto-generated and saved to file if not provided
const privateKeyHex = process.env.MCP_PRIVATE_KEY_HEX || null;
const nametag = process.env.MCP_NAMETAG;
if (!nametag) {
throw new Error("MCP_NAMETAG environment variable is required (e.g., 'gaming-mcp')");
}
const coinId = process.env.PAYMENT_COIN_ID;
if (!coinId) {
throw new Error("PAYMENT_COIN_ID environment variable is required");
}
const cleanNametag = nametag.replace("@unicity", "").replace("@", "").trim();
// Admin password - use env var or generate one
let adminPassword = process.env.ADMIN_PASSWORD;
if (!adminPassword) {
adminPassword = generatePassword();
console.error(`Generated admin password: ${adminPassword}`);
}
return {
relayUrl: process.env.NOSTR_RELAY_URL || "wss://nostr-relay.testnet.unicity.network",
aggregatorUrl: process.env.AGGREGATOR_URL || "https://goggregator-test.unicity.network",
aggregatorApiKey: process.env.AGGREGATOR_API_KEY || "sk_06365a9c44654841a366068bcfc68986",
privateKeyHex,
nametag: cleanNametag,
coinId,
amount: BigInt(process.env.PAYMENT_AMOUNT || "1000000000"),
dayPassDurationHours: parseInt(process.env.DAY_PASS_HOURS || "24", 10),
paymentTimeoutSeconds: parseInt(process.env.PAYMENT_TIMEOUT_SECONDS || "120", 10),
dataDir: process.env.DATA_DIR || "./data",
adminPassword,
httpPort: parseInt(process.env.HTTP_PORT || "3001", 10),
};
}
