Javascript sample to fetch mushrooms vaults apys

mushroomsApy.js

const axios = require('axios');

const mushrooms_endpoint = 'https://vjeieiw4tf.execute-api.us-east-1.amazonaws.com/apy';
const bsc_chainId = 56;
const ftm_chainId = 250;
const polygon_chainId = 137;
const avalanche_chainId = 43114;
const chainNames = {1: 'ethereum', 56: 'bsc', 250: 'fantom', 137: 'polygon', 43114: 'avalanche'}

async function main() {
    let _ethereumVaults = [];
    await fetchApys(1, _ethereumVaults); 
    let _bscVaults = [];
    await fetchApys(bsc_chainId, _bscVaults);
    let _ftmVaults = [];
    await fetchApys(ftm_chainId, _ftmVaults);
    let _polygonVaults = [];
    await fetchApys(polygon_chainId, _polygonVaults);
    let _avalancheVaults = [];
    await fetchApys(avalanche_chainId, _avalancheVaults);
  
    let _allVaults = _ethereumVaults.concat(_bscVaults);
    _allVaults = _allVaults.concat(_ftmVaults);
    _allVaults = _allVaults.concat(_polygonVaults);
    _allVaults = _allVaults.concat(_avalancheVaults);
    console.log(_allVaults);
    for(let i = 0;i < _allVaults.length;i++){
        //console.log('vault#' + i + '=' + JSON.stringify(_allVaults[i]));
    }
}

async function fetchApys(chainId, _list) {
    await queryMushroomsApi(mushrooms_endpoint + '?chainId=' + chainId, chainId, _list);  
}

function handleApyRespons(_res, chainId, _list){
    let _vaults = _res['result']['vaults'];
    let _farms = _res['result']['farms'];
        
    let _farmsApys = {};     
    for(let i = 0;i < _farms.length;i++){
        let _farmLp = _farms[i]['lpToken'];
        let _apy = _farms[i]['apy'];
        _farmsApys[_farmLp.toLowerCase()] = _apy;
        //console.log('farms#' + i + ' on ' + chainNames[chainId] + '={' + _farmLp + '：' + _apy + '}');      
    }
         
    for(let i = 0;i < _vaults.length;i++){
        let _tkName = _vaults[i]['token_name'];
        let _vaultAddr = _vaults[i]['vault_address'];
        let _apy = _vaults[i]['apy'];
        let _tvl = _vaults[i]['liquidity_locked'];
        let _type = ifLpToken(_tkName)? 'lp' : 'single';
        let _farmApy = (_farmsApys[_vaultAddr.toLowerCase()] === null || _farmsApys[_vaultAddr.toLowerCase()] === undefined)? 0 : _farmsApys[_vaultAddr.toLowerCase()]/100;
        let _v = {'chain': chainNames[chainId],'contractAddress': _vaultAddr, 'name': getTokenName(_tkName, _type, chainId), 'kind': _type, 'baseAPY': _apy, 'rewardAPY': _farmApy, 'rewards': { 'MM': _farmApy }, 'tvl': _tvl, 'status': 'active'};
        //console.log('vault#' + i + ' on ' + chainNames[chainId] + '=' + JSON.stringify(_v));  
        _list.push(_v);    
    }
}

function ifLpToken(_tkName){
    let _crvRelated = _tkName.includes('crv') || _tkName.includes('CRV') || _tkName.includes('Crv');
    let _lpRelated = _tkName.includes('UNI LP');
    let _special = _tkName.includes('yveCRV');
    return (_crvRelated || _lpRelated) && !_special;
}

function getTokenName(_name, _type, chainId){
    if(_type == 'single'){
        return _name;
    }else{
        if (_name == '3CRV'){
            return 'DAI-USDT-USDC';
        }else if(_name == 'crvRENWBTC'){
            return 'renBTC-wBTC';      
        }else if(_name == 'USDP3crv'){
            return 'USDP-DAI-USDT-USDC';      
        }else if(_name == 'Crv3Crypto' && chainId == ftm_chainId){
            return 'fUSDT-wBTC-ETH';      
        }else if(_name == 'Crv3Crypto' && chainId == polygon_chainId){
            return 'DAI-USDC-USDT-wBTC-WETH';      
        }else if(_name == 'Crv3Crypto' && chainId == avalanche_chainId){
            return 'DAI.e-USDC.e-USDT.e-wBTC.e-WETH';      
        }else if(_name == 'MIR-UST UNI LP' && chainId == 1){
            return 'MIR-UST';      
        }
    }
}

async function queryMushroomsApi(url, chainId, _list){
    await axios.get(url).then(function (response) {
        //console.log('fetch result=' + JSON.stringify(response.data));
        handleApyRespons(response.data, chainId, _list);
    }).catch(function (error) {
        console.log('queryMushroomsApi error for ' + url + ':' + error);
    }).then(function () {
        //console.log('fetching from api ' + url);
    }); 
}

main();