Function exonum_btc_anchoring::gen_anchoring_testnet_config_with_rng

pub fn gen_anchoring_testnet_config_with_rng<R>(
    client: &BitcoinRelay, 
    network: Network, 
    count: u8, 
    total_funds: u64, 
    rng: &mut R
) -> (AnchoringConfig, Vec<AnchoringNodeConfig>) where
    R: Rng, 

Generates testnet configuration by given rpc for given nodes amount using given random number generator.

Note: Bitcoin node that is used by rpc should have enough bitcoin amount to generate funding transaction by given total_funds.