miupay/config.sample.jsonc at main · tianshanghong/miupay · GitHub

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{
  // Server settings
  "server": {
    // HTTP port to listen on
    "port": 3000
  },
  // Invoice lifecycle settings
  "invoice": {
    // Minutes before a new invoice expires
    "ttlMinutes": 30,
    // How many tail digits (base units) are used as the verification code
    "verificationDigits": 3
  },
  // Background job polling settings
  "scan": {
    // How often the job loop runs (ms)
    "intervalMs": 10000,
    // Max block span per eth_getLogs request (Alchemy free tier requires <= 10)
    "evmMaxBlockRange": 2000,
    // Batch size for Solana getSignaturesForAddress
    "solanaSignatureBatchSize": 100
  },
  // Supported chains and tokens
  "chains": [
    {
      // Chain identifier referenced by products
      "id": "eth-mainnet",
      // "evm" or "solana"
      "type": "evm",
      // JSON-RPC endpoint
      "rpcUrl": "https://eth-mainnet.g.alchemy.com/v2/REPLACE_ME",
      // EVM: recipient address
      "receiveAddress": "0x0000000000000000000000000000000000000000",
      // Finality config
      "finality": {
        // EVM: confirmations required for finalized scanning
        "confirmations": 12
      },
      "tokens": [
        {
          // Token ID referenced by products
          "id": "usdc",
          // Display symbol
          "symbol": "USDC",
          // Token decimals (display only, amounts stored in base units)
          "decimals": 6,
          // EVM: ERC-20 contract address
          "contractAddress": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
        }
      ]
    }
  ],
  // Product catalog (static)
  "products": [
    {
      // Product identifier for checkout
      "id": "coffee",
      // Display name
      "name": "Coffee",
      // Base-unit integer string (1.99 USDC => "1990000")
      // Note: must be a multiple of 10^verificationDigits and >= 10 * 10^verificationDigits
      "amount": "499000",
      // References chains[].id
      "chainId": "eth-mainnet",
      // References chains[].tokens[].id
      "tokenId": "usdc",
      // Whether it can be sold/created
      "active": true,
      // Optional per-product fulfillment modules (defaults to enabled modules)
      "fulfillments": ["media"]
    }
  ],
  // Webhook delivery config (external integrations only)
  "webhooks": {
    "endpoints": [
      {
        "id": "example-webhook",
        "url": "https://example.com/webhooks/miupay",
        "secret": "change-me",
        "events": ["invoice.paid"]
      }
      // Add more external endpoints here.
    ]
  },
  // In-process fulfillment modules
  "fulfillments": {
    "media": {
      "enabled": true,
      "mediaRoot": "./media",
      "publicBaseUrl": "https://<tenant_id>.cloud.miupay.xyz",
      "tokenTtlMs": 900000,
      "rateLimitMax": 120,
      "rateLimitWindowMs": 60000
    }
  },
  // Admin auth
  "admin": {
    // Bearer token for /admin/* endpoints
    "bearerToken": "change-me"
  }
}