statedb: disallow override for some addresses

Author: tsahee

core/state/statedb.go

@@ -441,7 +441,17 @@ func (s *StateDB) SetCode(addr common.Address, code []byte) {
 	}
 }
 
+// Arbitrum: don't allow users to override arbos-state
+var disallowedStateOverrideAddresses = make(map[common.Address]bool)
+
+func DisAllowStateOverride(address common.Address) {
+	disallowedStateOverrideAddresses[address] = true
+}
+
 func (s *StateDB) SetState(addr common.Address, key, value common.Hash) {
+	if disallowedStateOverrideAddresses[addr] {
+		return
+	}
 	stateObject := s.getOrNewStateObject(addr)
 	if stateObject != nil {
 		stateObject.SetState(key, value)