comments

src/processor/update_difficulty.rs

@@ -7,6 +7,12 @@ use crate::{
     instruction::UpdateDifficultyArgs, loaders::*, state::Treasury, utils::AccountDeserialize,
 };
 
+/// UpdateDifficulty updates the program's global difficulty value. It has 1 responsibility:
+/// 1. Update the difficulty.
+///
+/// Safety requirements:
+/// - Can only succeed if the signer is the current program admin.
+/// - Can only succeed if the provided treasury is valid.
 pub fn process_update_difficulty<'a, 'info>(
     _program_id: &Pubkey,
     accounts: &'a [AccountInfo<'info>],