core/exex: get rid of statedb dependency

core/exex/exex/adapter_state.go

@@ -1,20 +1,36 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
 package exex
 
 import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/exex"
-	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/holiman/uint256"
 )
 
 // stateAdapter is an adapter to convert Geth's internal state db (unstable
 // and legacy API) into the exex state interface (stable API).
 type stateAdapter struct {
-	state *state.StateDB
+	state vm.StateDB
 }
 
 // wrapState wraps a Geth internal state object into an exex stable API.
-func wrapState(state *state.StateDB) exex.State {
+func wrapState(state vm.StateDB) exex.State {
 	return &stateAdapter{state: state}
 }