80 lines
2.3 KiB
Rust
80 lines
2.3 KiB
Rust
use {
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solana_program_test::{processor, ProgramTest},
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solana_sdk::{
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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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signature::Signer,
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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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// 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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#[tokio::test]
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async fn cpi() {
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let invoker_program_id = Pubkey::new_unique();
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let mut program_test = ProgramTest::new(
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"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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"invoked",
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invoked_program_id,
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processor!(invoked_process_instruction),
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);
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let mut context = 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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let transaction = Transaction::new_signed_with_payer(
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&instructions,
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Some(&context.payer.pubkey()),
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&[&context.payer],
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context.last_blockhash,
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);
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context
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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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