From fa56d56d4e9b69fdd02e631b9a2380cfd3095144 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Mon, 26 Oct 2020 09:28:11 +0100
Subject: [PATCH] fuzz: Properly initialize PrecomputedTransactionData

---
 src/test/fuzz/script_flags.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

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;