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Fix lamport calculation and transfer for loader-v4 program upgrade (#33279)

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Pankaj Garg 2023-09-16 13:12:27 -07:00 committed by GitHub
parent 6300a43f5c
commit 6db57f81db
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1 changed files with 2 additions and 2 deletions
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4
programs/loader-v4/src/lib.rs
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@ -429,8 +429,8 @@ pub fn process_instruction_deploy(
load_program_metrics.submit_datapoint(&mut invoke_context.timings);
if let Some(mut source_program) = source_program {
let rent = invoke_context.get_sysvar_cache().get_rent()?;
let required_lamports = rent.minimum_balance(program.get_data().len());
let transfer_lamports = program.get_lamports().saturating_sub(required_lamports);
let required_lamports = rent.minimum_balance(source_program.get_data().len());
let transfer_lamports = required_lamports.saturating_sub(program.get_lamports());
program.set_data_from_slice(source_program.get_data())?;
source_program.set_data_length(0)?;
source_program.checked_sub_lamports(transfer_lamports)?;