use solana_client::rpc_client::RpcClient; use solana_core::validator::new_validator_for_tests; use solana_sdk::commitment_config::CommitmentConfig; use solana_sdk::pubkey::Pubkey; use solana_sdk::signature::KeypairUtil; use solana_sdk::system_transaction; use std::fs::remove_dir_all; use std::thread::sleep; use std::time::{Duration, Instant}; #[test] fn test_rpc_client() { solana_logger::setup(); let (server, leader_data, alice, ledger_path) = new_validator_for_tests(); let bob_pubkey = Pubkey::new_rand(); let client = RpcClient::new_socket(leader_data.rpc); assert_eq!( client.get_version().unwrap().solana_core, solana_clap_utils::version!() ); assert_eq!(client.get_balance(&bob_pubkey).unwrap(), 0); assert_eq!(client.get_balance(&alice.pubkey()).unwrap(), 1_000_000); let (blockhash, _fee_calculator) = client.get_recent_blockhash().unwrap(); let tx = system_transaction::transfer(&alice, &bob_pubkey, 20, blockhash); let signature = client.send_transaction(&tx).unwrap(); let mut confirmed_tx = false; let now = Instant::now(); while now.elapsed().as_secs() <= 20 { let response = client .confirm_transaction_with_commitment(signature.as_str(), CommitmentConfig::default()) .unwrap(); if response.value { confirmed_tx = true; break; } sleep(Duration::from_millis(500)); } assert!(confirmed_tx); assert_eq!(client.get_balance(&bob_pubkey).unwrap(), 20); assert_eq!(client.get_balance(&alice.pubkey()).unwrap(), 999980); server.close().unwrap(); remove_dir_all(ledger_path).unwrap(); }