Function wait_for_funds 

pub(crate) async fn wait_for_funds<R: ChainValues>(
    min_balance: XDaiBalance,
    suggested_balance: XDaiBalance,
    max_delay: Duration,
    account: Address,
    resolver: &R,
) -> Result<(), HoprLibError>

Waits until the given address is funded.

This is done by querying the RPC provider for balance with backoff until max_delay argument.