corepay/lib/post.js

A unified, secure and painless self-hosted cryptocurrency payments processor.

const fetch = require('node-fetch')

const delay = (ms) => {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve()
    }, ms)
  })
}
const retryFetch = (url, fetchOptions={}, retries=3, retryDelay=5000) => {
  return new Promise((resolve, reject) => {
    const wrapper = n => {
      fetch(url, fetchOptions)
        .then(res => { resolve(res) })
        .catch(async err => {
          if(n > 0) {
            // console.log(`retrying ${n}`)
            await delay(retryDelay)
            wrapper(--n)
          } else {
            reject(err)
          }
        })
    }
    
    wrapper(retries)
  })
}

module.exports = retryFetch