Fix compute budget max fees calculation - convert microlamports to la…

…mports
blockydevs · Sep 17, 2024 · be50479 · be50479
1 parent c3306fa
commit be50479
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/libsol/compute_budget_instruction.c b/libsol/compute_budget_instruction.c
@@ -57,7 +57,8 @@ static uint32_t calculate_max_fee(const ComputeBudgetFeeInfo* info) {
             max_compute =
                 MIN(info->instructions_count * MAX_CU_PER_INSTRUCTION, MAX_CU_PER_TRANSACTION);
         }
-        return max_fee + (info->change_unit_price->units * max_compute);
+        return max_fee +
+               ((info->change_unit_price->units * max_compute) / MICRO_LAMPORT_MULTIPLIER);
     }
     return max_fee;
 }

diff --git a/libsol/compute_budget_instruction.h b/libsol/compute_budget_instruction.h
@@ -9,6 +9,7 @@
 #define MAX_CU_PER_INSTRUCTION     200000
 #define MAX_CU_PER_TRANSACTION     1400000
 #define FEE_LAMPORTS_PER_SIGNATURE 5000
+#define MICRO_LAMPORT_MULTIPLIER   1000000
 
 extern const Pubkey compute_budget_program_id;