MyAlgoWalletUtil.js

const constants = require('./constants.js');
const axios = require('axios').default;

let ALGOD_SERVER = 'https://testnet-api.algonode.cloud';

exports.connectToWallet = async function (txn) {
  try {
    console.debug('connecting...');
    console.debug(myAlgoWallet);
    accounts = await myAlgoWallet.connect();

    const addresses = accounts.map((account) => account.address);
    return addresses;
  } catch (err) {
    console.error(err);
  }
};

exports.setAlgodServer = (algod_server) => {
  ALGOD_SERVER = algod_server;
};

const getParams = async () => {
  try {
    const response = await axios.get(ALGOD_SERVER + '/v2/transactions/params');
    //console.log(response);
    return response.data;
  } catch (error) {
    console.error(error);
    throw new Error('getAccountInfo failed: ', error);
  }
};

let transactionParams = null;

(async () => {
  transactionParams = await getParams();
})().catch((err) => {
  console.error(err);
});

exports.setTransactionFee = function (txn) {
  txn.fee = transactionParams['min-fee'];
  txn.flatFee = true;
};