80 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| use {
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|     solana_program::{
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|         account_info::{next_account_info, AccountInfo},
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|         entrypoint::ProgramResult,
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|         instruction::{AccountMeta, Instruction},
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|         msg,
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|         program::invoke,
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|         pubkey::Pubkey,
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|     },
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|     solana_program_test::{processor, ProgramTest},
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|     solana_sdk::{signature::Signer, transaction::Transaction},
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| };
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| 
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| // Process instruction to invoke into another program
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| fn invoker_process_instruction(
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|     _program_id: &Pubkey,
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|     accounts: &[AccountInfo],
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|     _input: &[u8],
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| ) -> ProgramResult {
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|     // if we can call `msg!` successfully, then InvokeContext exists as required
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|     msg!("Processing invoker instruction before CPI");
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|     let account_info_iter = &mut accounts.iter();
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|     let invoked_program_info = next_account_info(account_info_iter)?;
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|     invoke(
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|         &Instruction::new_with_bincode(*invoked_program_info.key, &[0], vec![]),
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|         &[invoked_program_info.clone()],
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|     )?;
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|     msg!("Processing invoker instruction after CPI");
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|     Ok(())
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| }
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| 
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| // Process instruction to be invoked by another program
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| #[allow(clippy::unnecessary_wraps)]
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| fn invoked_process_instruction(
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|     _program_id: &Pubkey,
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|     _accounts: &[AccountInfo],
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|     _input: &[u8],
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| ) -> ProgramResult {
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|     // if we can call `msg!` successfully, then InvokeContext exists as required
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|     msg!("Processing invoked instruction");
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|     Ok(())
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| }
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| 
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| #[tokio::test]
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| async fn cpi() {
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|     let invoker_program_id = Pubkey::new_unique();
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|     // Initialize and start the test network
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|     let mut program_test = ProgramTest::new(
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|         "program-test-fuzz-invoker",
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|         invoker_program_id,
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|         processor!(invoker_process_instruction),
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|     );
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|     let invoked_program_id = Pubkey::new_unique();
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|     program_test.add_program(
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|         "program-test-fuzz-invoked",
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|         invoked_program_id,
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|         processor!(invoked_process_instruction),
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|     );
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| 
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|     let mut test_state = program_test.start_with_context().await;
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|     let instructions = vec![Instruction::new_with_bincode(
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|         invoker_program_id,
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|         &[0],
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|         vec![AccountMeta::new_readonly(invoked_program_id, false)],
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|     )];
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| 
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|     let transaction = Transaction::new_signed_with_payer(
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|         &instructions,
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|         Some(&test_state.payer.pubkey()),
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|         &[&test_state.payer],
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|         test_state.last_blockhash,
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|     );
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| 
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|     test_state
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|         .banks_client
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|         .process_transaction(transaction)
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|         .await
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|         .unwrap();
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| }
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