Handle usage of prevector for CScript in Zcash-specific code

src/gtest/test_foundersreward.cpp

@@ -106,11 +106,11 @@ TEST(founders_reward_test, general) {
     // address = t2ENg7hHVqqs9JwU5cgjvSbxnT2a9USNfhy
     // script.ToString() = OP_HASH160 55d64928e69829d9376c776550b6cc710d427153 OP_EQUAL
     // HexStr(script) = a91455d64928e69829d9376c776550b6cc710d42715387
-    EXPECT_EQ(params.GetFoundersRewardScriptAtHeight(1), ParseHex("a914ef775f1f997f122a062fff1a2d7443abd1f9c64287"));
+    EXPECT_EQ(HexStr(params.GetFoundersRewardScriptAtHeight(1)), "a914ef775f1f997f122a062fff1a2d7443abd1f9c64287");
     EXPECT_EQ(params.GetFoundersRewardAddressAtHeight(1), "t2UNzUUx8mWBCRYPRezvA363EYXyEpHokyi");
-    EXPECT_EQ(params.GetFoundersRewardScriptAtHeight(53126), ParseHex("a914ac67f4c072668138d88a86ff21b27207b283212f87"));
+    EXPECT_EQ(HexStr(params.GetFoundersRewardScriptAtHeight(53126)), "a914ac67f4c072668138d88a86ff21b27207b283212f87");
     EXPECT_EQ(params.GetFoundersRewardAddressAtHeight(53126), "t2NGQjYMQhFndDHguvUw4wZdNdsssA6K7x2");
-    EXPECT_EQ(params.GetFoundersRewardScriptAtHeight(53127), ParseHex("a91455d64928e69829d9376c776550b6cc710d42715387"));
+    EXPECT_EQ(HexStr(params.GetFoundersRewardScriptAtHeight(53127)), "a91455d64928e69829d9376c776550b6cc710d42715387");
     EXPECT_EQ(params.GetFoundersRewardAddressAtHeight(53127), "t2ENg7hHVqqs9JwU5cgjvSbxnT2a9USNfhy");
 
     int maxHeight = params.GetConsensus().GetLastFoundersRewardBlockHeight();

src/script/interpreter.cpp

@@ -1191,7 +1191,7 @@ uint256 SignatureHash(
             // The prevout may already be contained in hashPrevout, and the nSequence
             // may already be contained in hashSequence.
             ss << txTo.vin[nIn].prevout;
-            ss << scriptCode;
+            ss << static_cast<const CScriptBase&>(scriptCode);
             ss << amount;
             ss << txTo.vin[nIn].nSequence;
         }