fuzz: Allow to pass min/max to ConsumeTime

Author: MarcoFalke

src/test/fuzz/util.cpp

@@ -5,6 +5,7 @@
 #include <test/fuzz/util.h>
 #include <test/util/script.h>
 #include <util/rbf.h>
+#include <util/time.h>
 #include <version.h>
 
 FuzzedSock::FuzzedSock(FuzzedDataProvider& fuzzed_data_provider)
@@ -216,6 +217,14 @@ void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, bool init_v
     }
 }
 
+int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider, const std::optional<int64_t>& min, const std::optional<int64_t>& max) noexcept
+{
+    // Avoid t=0 (1970-01-01T00:00:00Z) since SetMockTime(0) disables mocktime.
+    static const int64_t time_min = ParseISO8601DateTime("1970-01-01T00:00:01Z");
+    static const int64_t time_max = ParseISO8601DateTime("9999-12-31T23:59:59Z");
+    return fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(min.value_or(time_min), max.value_or(time_max));
+}
+
 CMutableTransaction ConsumeTransaction(FuzzedDataProvider& fuzzed_data_provider, const std::optional<std::vector<uint256>>& prevout_txids, const int max_num_in, const int max_num_out) noexcept
 {
     CMutableTransaction tx_mut;

src/test/fuzz/util.h

@@ -26,7 +26,6 @@
 #include <test/util/net.h>
 #include <txmempool.h>
 #include <uint256.h>
-#include <util/time.h>
 #include <version.h>
 
 #include <algorithm>
@@ -127,13 +126,7 @@ template <typename WeakEnumType, size_t size>
     return fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(0, MAX_MONEY);
 }
 
-[[nodiscard]] inline int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider) noexcept
-{
-    // Avoid t=0 (1970-01-01T00:00:00Z) since SetMockTime(0) is a no-op.
-    static const int64_t time_min = ParseISO8601DateTime("1970-01-01T00:00:01Z");
-    static const int64_t time_max = ParseISO8601DateTime("9999-12-31T23:59:59Z");
-    return fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(time_min, time_max);
-}
+[[nodiscard]] int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider, const std::optional<int64_t>& min = std::nullopt, const std::optional<int64_t>& max = std::nullopt) noexcept;
 
 [[nodiscard]] CMutableTransaction ConsumeTransaction(FuzzedDataProvider& fuzzed_data_provider, const std::optional<std::vector<uint256>>& prevout_txids, const int max_num_in = 10, const int max_num_out = 10) noexcept;