fuzz: coinselection: add coverage for SetBumpFeeDiscount

Call `SetBumpFeeDiscount` before recalculating waste.
brunoerg · Jan 24, 2025 · 9a1143c · 9a1143c
1 parent 2d07384
commit 9a1143c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/wallet/test/fuzz/coinselection.cpp b/src/wallet/test/fuzz/coinselection.cpp
@@ -275,6 +275,9 @@ FUZZ_TARGET(coinselection)
         assert(result_srd->GetSelectedValue() >= target);
         assert(result_srd->GetChange(CHANGE_LOWER, coin_params.m_change_fee) > 0); // Demonstrate that SRD creates change of at least CHANGE_LOWER
         assert(result_srd->GetWeight() <= max_selection_weight);
+        if (fuzzed_data_provider.ConsumeBool()) {
+            result_srd->SetBumpFeeDiscount(ConsumeMoney(fuzzed_data_provider));
+        }
         result_srd->RecalculateWaste(coin_params.min_viable_change, coin_params.m_cost_of_change, coin_params.m_change_fee);
         (void)result_srd->GetShuffledInputVector();
         (void)result_srd->GetInputSet();
@@ -285,6 +288,9 @@ FUZZ_TARGET(coinselection)
     if (result_knapsack) {
         assert(result_knapsack->GetSelectedValue() >= target);
         assert(result_knapsack->GetWeight() <= max_selection_weight);
+        if (fuzzed_data_provider.ConsumeBool()) {
+            result_knapsack->SetBumpFeeDiscount(ConsumeMoney(fuzzed_data_provider));
+        }
         result_knapsack->RecalculateWaste(coin_params.min_viable_change, coin_params.m_cost_of_change, coin_params.m_change_fee);
         (void)result_knapsack->GetShuffledInputVector();
         (void)result_knapsack->GetInputSet();