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Fixes the calculation of the "compute_meter_consumption" across process_instruction() and process_message(). (#21944) (#21945)

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(cherry picked from commit 49cb161203)

Co-authored-by: Alexander Meißner <AlexanderMeissner@gmx.net>
This commit is contained in:
mergify[bot]
2021-12-16 16:28:28 +00:00
committed by GitHub
parent bfa6302985
commit 301e38044a
2 changed files with 12 additions and 10 deletions
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16
program-runtime/src/invoke_context.rs
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@ -639,7 +639,7 @@ impl<'a> InvokeContext<'a> {
Ok((message, caller_write_privileges, program_indices))
}
/// Process a cross-program instruction
/// Processes a cross-program instruction and returns how many compute units were used
pub fn process_instruction(
&mut self,
message: &Message,
@ -647,7 +647,7 @@ impl<'a> InvokeContext<'a> {
program_indices: &[usize],
account_indices: &[usize],
caller_write_privileges: &[bool],
) -> Result<(), InstructionError> {
) -> Result<u64, InstructionError> {
let is_lowest_invocation_level = self.invoke_stack.is_empty();
if !is_lowest_invocation_level {
// Verify the calling program hasn't misbehaved
@ -658,11 +658,13 @@ impl<'a> InvokeContext<'a> {
.push(message, instruction, program_indices, account_indices)
.and_then(|_| {
self.return_data = (*instruction.program_id(&message.account_keys), Vec::new());
let pre_remaining_units = self.compute_meter.borrow().get_remaining();
self.process_executable_chain(&instruction.data)?;
let post_remaining_units = self.compute_meter.borrow().get_remaining();
// Verify the called program has not misbehaved
if is_lowest_invocation_level {
self.verify(message, instruction, program_indices)
self.verify(message, instruction, program_indices)?;
} else {
let demote_program_write_locks = self
.feature_set
@ -670,8 +672,10 @@ impl<'a> InvokeContext<'a> {
let write_privileges: Vec<bool> = (0..message.account_keys.len())
.map(|i| message.is_writable(i, demote_program_write_locks))
.collect();
self.verify_and_update(instruction, account_indices, &write_privileges)
self.verify_and_update(instruction, account_indices, &write_privileges)?;
}
Ok(pre_remaining_units.saturating_sub(post_remaining_units))
});
// Pop the invoke_stack to restore previous state
@ -1293,12 +1297,12 @@ mod tests {
invoke_context.pop();
let cases = vec![
(MockInstruction::NoopSuccess, Ok(())),
(MockInstruction::NoopSuccess, Ok(0)),
(
MockInstruction::NoopFail,
Err(InstructionError::GenericError),
),
(MockInstruction::ModifyOwned, Ok(())),
(MockInstruction::ModifyOwned, Ok(0)),
(
MockInstruction::ModifyNotOwned,
Err(InstructionError::ExternalAccountDataModified),