More hints

Author: febo

p-token/src/processor/shared/approve.rs

@@ -1,7 +1,8 @@
 use {
     crate::processor::validate_owner,
     pinocchio::{
-        account_info::AccountInfo, program_error::ProgramError, pubkey::pubkey_eq, ProgramResult,
+        account_info::AccountInfo, hint::unlikely, program_error::ProgramError, pubkey::pubkey_eq,
+        ProgramResult,
     },
     pinocchio_token_interface::{
         error::TokenError,
@@ -58,15 +59,15 @@ pub fn process_approve(
     }
 
     if let Some((mint_info, expected_decimals)) = expected_mint_info {
-        if !pubkey_eq(mint_info.key(), &source_account.mint) {
+        if unlikely(!pubkey_eq(mint_info.key(), &source_account.mint)) {
             return Err(TokenError::MintMismatch.into());
         }
 
         // SAFETY: single immutable borrow of `mint_info` account data and
         // `load` validates that the mint is initialized.
         let mint = unsafe { load::<Mint>(mint_info.borrow_data_unchecked())? };
 
-        if expected_decimals != mint.decimals {
+        if unlikely(expected_decimals != mint.decimals) {
             return Err(TokenError::MintDecimalsMismatch.into());
         }
     }

p-token/src/processor/unwrap_lamports.rs

@@ -7,6 +7,7 @@ use {
     pinocchio_token_interface::{
         error::TokenError,
         state::{account::Account, load_mut},
+        unlikely,
     },
 };
 
@@ -62,7 +63,7 @@ pub fn process_unwrap_lamports(accounts: &[AccountInfo], instruction_data: &[u8]
     // raw pointer.
     let self_transfer = source_account_info == destination_account_info;
 
-    if self_transfer || amount == 0 {
+    if unlikely(self_transfer || amount == 0) {
         // Validates the token account owner since we are not writing
         // to the account.
         check_account_owner(source_account_info)