> For the complete documentation index, see [llms.txt](https://bridge-docs.orbitchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bridge-docs.orbitchain.io/validator-guide/configuration.md).

# Configuration

### Configuration File Format

```
{
    // operating chain list
    chainList: [
        'eth',
        'klaytn',
        'icon'
    ],

    // Bridge Addresses
    BridgeAddress: {
        OrbitHubContract: "0x0000000000000000000000000000000000000000",
        OrbitBridgeHubContract: "0x0000000000000000000000000000000000000000",
        EthBridgeContract: "0x0000000000000000000000000000000000000000",
        KlaytnBridgeContract: "0x0000000000000000000000000000000000000000",
        IconBridgeContract: "0x0000000000000000000000000000000000000000",
        MessageMultiSigWallet: {
            Hub: "0x0000000000000000000000000000000000000000",
            Eth: "0x0000000000000000000000000000000000000000",
            Klaytn: "0x0000000000000000000000000000000000000000",
            Icon: "0x0000000000000000000000000000000000000000"
        },
        Eth: {
            EthVaultContract: "0x0000000000000000000000000000000000000000",
        },
        Klay: {
            KlaytnMinterContract: "0x0000000000000000000000000000000000000000",
            MessageMultiSigWallet: "0x0000000000000000000000000000000000000000",
        },
        Icon: {
            IconMinterContract: "cx0000000000000000000000000000000000000000",
            MessageMultiSigWallet: "cx0000000000000000000000000000000000000000",
        },
        Governance: {
            Chain: "ETH",
            Address: "0x0000000000000000000000000000000000000000",
            Bytes: "0x0000000000000000000000000000000000000000",
            Id: "0x0000000000000000000000000000000000000000000000000000000000000000",
        }
    },

    // Node Endpoints
    Endpoints : {
        Orbit: {
            rpc : "http://orbitchain",
            socket: "ws://orbitchain",
        },
        Eth : {
            rpc : "http://infura",
            socket : "ws://infura",
        },
        Klaytn: {
            // false: Using your node (not public EN), true: Using Kas node
            isKas: false,
    
            // your node configuration (not public EN)
            rpc: "",
            socket: "",

            // Kas configuration
            Kas: {
                // KAS Default
                rpc: "https://node-api.klaytnapi.com/v1/klaytn",
                chainId: 8217,

                // Your Credential
                accessKeyId: "",
                secretAccessKey: ""
            }
        },
        Icon: {
            api: 'https://ctz.solidwallet.io/api/v3',
            debug: 'https://ctz.solidwallet.io/api/debug/v3',
            version: 3,
            nid: 1
        },
    },

    DEBUG: true,
    LOGLEVEL: 'debug',

    // WIP: validator things.
    VALIDATOR_ACCOUNT: {
        TYPE: "PK",
        DATA: "0000000000000000000000000000000000000000000000000000000000000000",
    },
}
```

### Properties

The configuration file has the following configurable properties:

| Name               | Description                                                                                 |
| ------------------ | ------------------------------------------------------------------------------------------- |
| chainList          | List of chains to provide bridging services.                                                |
| BridgeAddress      | Information such as contract and wallet address deployed to each chain for bridging service |
| Endpoints          | Public node endpoints to use for transaction verification                                   |
| VALIDATOR\_ACCOUNT | Validator private key for bridging transaction signing                                      |


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