solana/cli/src/test_utils.rs

use {
    solana_client::rpc_client::RpcClient,
    solana_sdk::{clock::DEFAULT_MS_PER_SLOT, commitment_config::CommitmentConfig},
    std::{thread::sleep, time::Duration},
};

#[macro_export]
macro_rules! check_balance {
    ($expected_balance:expr, $client:expr, $pubkey:expr) => {
        (0..5).for_each(|tries| {
            let balance = $client
                .get_balance_with_commitment($pubkey, CommitmentConfig::processed())
                .unwrap()
                .value;
            if balance == $expected_balance {
                return;
            }
            if tries == 4 {
                assert_eq!(balance, $expected_balance);
            }
            std::thread::sleep(std::time::Duration::from_millis(500));
        });
    };
    ($expected_balance:expr, $client:expr, $pubkey:expr,) => {
        check_balance!($expected_balance, $client, $pubkey)
    };
}

pub fn check_ready(rpc_client: &RpcClient) {
    while rpc_client
        .get_slot_with_commitment(CommitmentConfig::processed())
        .unwrap()
        < 5
    {
        sleep(Duration::from_millis(DEFAULT_MS_PER_SLOT));
    }
}