export const nodes = [ "https://bsc-dataseed1.ninicoin.io" , "https://bsc-dataseed1.defibit.io" , "https://bsc-dataseed.binance.org" , ] ; const getRandomIndex = ( ) => { const lower = 0 ; const upper = nodes . length - 1 ; return Math . floor ( lower + Math . random ( ) * ( upper - lower + 1 ) ) ; } ; const getNodeUrl = ( ) : string => { const randomIndex = getRandomIndex ( ) ; return nodes [ randomIndex ] ; } ; export default getNodeUrl ;