export const FEE_RECIPIENT_ADDRESS = '0xb9e29984fe50602e7a619662ebed4f90d93824c7' ; export const REQUEST_TIMEOUT = 10000 ; export const INTERVAL_UPDAER_TIME = 5 * 60 * 1000 ; export const ONE_SECOND_MS = 1000 ; export const ONE_MINUTE_MS = ONE_SECOND_MS * 60 ; export const TEN_MINUTES_MS = ONE_MINUTE_MS * 10 ; export const NULL_ADDRESS = `0x${ '0' . repeat ( 40 ) }` ;