system_chain - JSON-RPC Method

Description

Returns the name of the chain the node is connected to. This JSON-RPC method is useful for identifying which Acala network (mainnet or custom chain) the node is operating on.

Parameters

This method does not require any parameters.

Returns

Field	Type	Description
result	string	The name of the chain

Request Example

{
  "jsonrpc": "2.0",
  "method": "system_chain",
  "params": [],
  "id": 1
}

Response Example

{
  "jsonrpc": "2.0",
  "result": "Acala",
  "id": 1
}

Code Examples

cURL

curl https://api-acala.n.dwellir.com/YOUR_API_KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "system_chain",
    "params": [],
    "id": 1
  }'

Python

import requests
import json

def get_chain_name():
    url = "https://api-acala.n.dwellir.com/YOUR_API_KEY"
    headers = {
        "Content-Type": "application/json"
    }
    
    payload = {
        "jsonrpc": "2.0",
        "method": "system_chain",
        "params": [],
        "id": 1
    }
    
    response = requests.post(url, headers=headers, data=json.dumps(payload))
    data = response.json()
    
    if "error" in data:
        raise Exception(f"RPC Error: {data['error']}")
    
    return data["result"]

chain = get_chain_name()
print(f"Connected to: {chain}")

JavaScript

const getChainName = async () => {
  const response = await fetch('https://api-acala.n.dwellir.com/YOUR_API_KEY', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      jsonrpc: '2.0',
      method: 'system_chain',
      params: [],
      id: 1
    })
  });
  
  const data = await response.json();
  return data.result;
};

const chain = await getChainName();
console.log(`Connected to: ${chain}`);

Related Methods

• state_getRuntimeVersion - Get runtime version
• system_health - Get node health
• rpc_methods - List available methods
• state_getMetadata - Get runtime metadata