npm install fisco-bcos --save

{
    "encryptType": "ECDSA",
    "accounts": {
        "mmt": {
            "type": "pem",
            "value": "./accounts/xxx.pem"
        }
    },
    "nodes": [
        {
            "ip": "127.0.0.1",
            "port": "20200"
        }
    ],
    "authentication": {
        "key": "./sdk/sdk.key",
        "cert": "./sdk/sdk.crt",
        "ca": "./sdk/ca.crt"
    },
    "groupID": 1,
    "chainID": 1,
    "timeout": 30000
}

const fisco = require('fisco-bcos');
const path = require('path');

const config = new fisco.Configuration(path.resolve('./config.json'));
const webj3 = new fisco.Web3jService(config);

(async () => {
  const result = await webj3.getTotalTransactionCount();
  console.log(result);
})();