blockchain-javascript/utils/axios.js

const axios = require('axios')
const md5 = require('md5-node')
const {replaceAll} = require("hardhat/internal/util/strings")
const secretConfig = require("../.secret-config")

axios.defaults.baseURL = secretConfig.apiPoint

axios.interceptors.request.use(
  function(config) {
    // auth
    let timestamp = parseInt((Date.parse(new Date().toString()) / 1000) + '')
    let baseStr = '410410' + timestamp
    let splitStrList = baseStr.split("")
    let replacedStr = replaceAll(baseStr, splitStrList[splitStrList.length - 1], "")
    let authStr = md5(replacedStr)

    config.data.timestamp = timestamp
    config.data.auth = authStr

    config.headers['content-type'] = 'application/json'

    return config;
  },
  function(error) {
    // Do something with request error
    return Promise.reject(error);
  }
)

module.exports = axios