2020-01-21 10:59:19 -08:00
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//! @brief Example Rust-based BPF program that tests duplicate accounts passed via accounts
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2020-10-22 10:23:50 -07:00
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extern crate solana_program_sdk;
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use solana_program_sdk::{
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2020-02-04 12:25:42 -08:00
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account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, info,
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program_error::ProgramError, pubkey::Pubkey,
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2020-01-21 10:59:19 -08:00
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};
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entrypoint!(process_instruction);
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2020-01-24 13:41:14 -08:00
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fn process_instruction(
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_program_id: &Pubkey,
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accounts: &[AccountInfo],
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instruction_data: &[u8],
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) -> ProgramResult {
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2020-01-24 13:41:14 -08:00
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match instruction_data[0] {
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2020-01-21 10:59:19 -08:00
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1 => {
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info!("modify first account data");
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2020-01-29 21:15:04 -08:00
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accounts[2].data.borrow_mut()[0] = 1;
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}
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2 => {
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info!("modify first account data");
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accounts[3].data.borrow_mut()[0] = 2;
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}
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3 => {
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info!("modify both account data");
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2020-01-29 21:15:04 -08:00
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accounts[2].data.borrow_mut()[0] += 1;
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accounts[3].data.borrow_mut()[0] += 2;
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}
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4 => {
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info!("modify first account lamports");
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2020-01-29 21:15:04 -08:00
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**accounts[1].lamports.borrow_mut() -= 1;
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**accounts[2].lamports.borrow_mut() += 1;
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2020-01-21 10:59:19 -08:00
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}
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5 => {
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info!("modify first account lamports");
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2020-01-29 21:15:04 -08:00
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**accounts[1].lamports.borrow_mut() -= 2;
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**accounts[3].lamports.borrow_mut() += 2;
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}
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6 => {
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info!("modify both account lamports");
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2020-01-29 21:15:04 -08:00
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**accounts[1].lamports.borrow_mut() -= 3;
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**accounts[2].lamports.borrow_mut() += 1;
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**accounts[3].lamports.borrow_mut() += 2;
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}
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_ => {
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info!("Unrecognized command");
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2020-01-30 09:47:22 -08:00
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return Err(ProgramError::InvalidArgument);
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2020-01-21 10:59:19 -08:00
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}
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}
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Ok(())
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}
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