From b7f89b054468ed56b917b032d10dfe65a7b2d779 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Wed, 5 Aug 2020 19:17:48 +0300
Subject: [PATCH] core: restrict verification scripts with CallFlags.None

Follow neo-project/neo#1776. Looks very suspicious to me as it severely limits
verification scripts, but we have to be compatible at this point.
---
 pkg/core/blockchain.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index 246dc2fa1..f95c5448e 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -1463,7 +1463,7 @@ func (bc *Blockchain) verifyHashAgainstScript(hash util.Uint160, witness *transa
 	vm := interopCtx.SpawnVM()
 	vm.SetPriceGetter(getPrice)
 	vm.GasLimit = gas
-	vm.LoadScriptWithFlags(verification, smartcontract.ReadOnly)
+	vm.LoadScriptWithFlags(verification, smartcontract.NoneFlag)
 	vm.LoadScript(witness.InvocationScript)
 	if useKeys {
 		bc.keyCacheLock.RLock()