4 files changed, 20 insertions, 8 deletions
diff --git a/src/test/fuzz/coins_view.cpp b/src/test/fuzz/coins_view.cpp
index c186bef7ae..ac034809b0 100644
--- a/src/test/fuzz/coins_view.cpp
+++ b/src/test/fuzz/coins_view.cpp
@@ -229,7 +229,8 @@ void test_one_input(const std::vector<uint8_t>& buffer)
             break;
         }
         case 1: {
-            (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache);
+            (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, false);
+            (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, true);
             break;
         }
         case 2: {
diff --git a/src/test/fuzz/deserialize.cpp b/src/test/fuzz/deserialize.cpp
index b799d3b43b..26c56fbadf 100644
--- a/src/test/fuzz/deserialize.cpp
+++ b/src/test/fuzz/deserialize.cpp
@@ -13,6 +13,7 @@
 #include <key.h>
 #include <merkleblock.h>
 #include <net.h>
+#include <netbase.h>
 #include <node/utxo_snapshot.h>
 #include <primitives/block.h>
 #include <protocol.h>
@@ -44,9 +45,9 @@ struct invalid_fuzzing_input_exception : public std::exception {
 };
 
 template <typename T>
-CDataStream Serialize(const T& obj)
+CDataStream Serialize(const T& obj, const int version = INIT_PROTO_VERSION)
 {
-    CDataStream ds(SER_NETWORK, INIT_PROTO_VERSION);
+    CDataStream ds(SER_NETWORK, version);
     ds << obj;
     return ds;
 }
@@ -79,9 +80,9 @@ void DeserializeFromFuzzingInput(const std::vector<uint8_t>& buffer, T& obj)
 }
 
 template <typename T>
-void AssertEqualAfterSerializeDeserialize(const T& obj)
+void AssertEqualAfterSerializeDeserialize(const T& obj, const int version = INIT_PROTO_VERSION)
 {
-    assert(Deserialize<T>(Serialize(obj)) == obj);
+    assert(Deserialize<T>(Serialize(obj, version)) == obj);
 }
 
 } // namespace
@@ -183,7 +184,10 @@ void test_one_input(const std::vector<uint8_t>& buffer)
 #elif NETADDR_DESERIALIZE
         CNetAddr na;
         DeserializeFromFuzzingInput(buffer, na);
-        AssertEqualAfterSerializeDeserialize(na);
+        if (na.IsAddrV1Compatible()) {
+            AssertEqualAfterSerializeDeserialize(na);
+        }
+        AssertEqualAfterSerializeDeserialize(na, INIT_PROTO_VERSION | ADDRV2_FORMAT);
 #elif SERVICE_DESERIALIZE
         CService s;
         DeserializeFromFuzzingInput(buffer, s);
diff --git a/src/test/fuzz/script_flags.cpp b/src/test/fuzz/script_flags.cpp
index ffc65eedc0..300c78fca0 100644
--- a/src/test/fuzz/script_flags.cpp
+++ b/src/test/fuzz/script_flags.cpp
@@ -31,7 +31,6 @@ void test_one_input(const std::vector<uint8_t>& buffer)
 
     try {
         const CTransaction tx(deserialize, ds);
-        const PrecomputedTransactionData txdata(tx);
 
         unsigned int verify_flags;
         ds >> verify_flags;
@@ -41,10 +40,17 @@ void test_one_input(const std::vector<uint8_t>& buffer)
         unsigned int fuzzed_flags;
         ds >> fuzzed_flags;
 
+        std::vector<CTxOut> spent_outputs;
         for (unsigned i = 0; i < tx.vin.size(); ++i) {
             CTxOut prevout;
             ds >> prevout;
+            spent_outputs.push_back(prevout);
+        }
+        PrecomputedTransactionData txdata;
+        txdata.Init(tx, std::move(spent_outputs));
 
+        for (unsigned i = 0; i < tx.vin.size(); ++i) {
+            const CTxOut& prevout = txdata.m_spent_outputs.at(i);
             const TransactionSignatureChecker checker{&tx, i, prevout.nValue, txdata};
 
             ScriptError serror;
diff --git a/src/test/fuzz/transaction.cpp b/src/test/fuzz/transaction.cpp
index d6deb7fc3d..4f972dea1c 100644
--- a/src/test/fuzz/transaction.cpp
+++ b/src/test/fuzz/transaction.cpp
@@ -95,7 +95,8 @@ void test_one_input(const std::vector<uint8_t>& buffer)
 
     CCoinsView coins_view;
     const CCoinsViewCache coins_view_cache(&coins_view);
-    (void)AreInputsStandard(tx, coins_view_cache);
+    (void)AreInputsStandard(tx, coins_view_cache, false);
+    (void)AreInputsStandard(tx, coins_view_cache, true);
     (void)IsWitnessStandard(tx, coins_view_cache);
 
     UniValue u(UniValue::VOBJ);