minigun-sv/lib/client.js

Lightweight Bitcoin Stress Test Tool.

const fetch = require('node-fetch')
const fs = require('fs')

function getUTXOs(addr){
    

    return fetch(`https://api.bitindex.network/api/addr/${addr.toString()}/utxo`).then(res=>{
        //global.log.log(res)
        if(!global.fromAPI)throw new Error("Load from files.")
        if (res.status==200) return res.json()
        else {
            global.log.log("[Minigun] API status: " + res.status)
            throw new Error('Request not successful.')
        }
    }).then(utxos=>{
        if(!utxos instanceof Array)throw new Error('Request not successful.')
        return utxos.filter(utxo=>utxo.height!=undefined).filter(utxo=>utxo.confirmations>0)
    }).catch(err=>{
        global.log.log('[Minigun] Not loading ammo from API, return cached ammo: ' + addr)
        //global.log.log(err)
        var cached = []
        try{
            cached = JSON.parse(fs.readFileSync(`${addr}.utxos`).toString())
            global.log.log('[Minigun] Cached ammo: ' + cached.length)
        }catch(err2){
            global.log.log('[Minigun] Failed loading cached ammo: ')
        }
        return cached
    })
}

module.exports.getUTXOs = getUTXOs