mirror of https://github.com/status-im/op-geth.git
104 lines
3.5 KiB
Go
104 lines
3.5 KiB
Go
// Copyright 2016 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 vm
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
type dummyContractRef struct {
|
|
calledForEach bool
|
|
}
|
|
|
|
func (dummyContractRef) ReturnGas(*big.Int, *big.Int) {}
|
|
func (dummyContractRef) Address() common.Address { return common.Address{} }
|
|
func (dummyContractRef) Value() *big.Int { return new(big.Int) }
|
|
func (dummyContractRef) SetCode([]byte) {}
|
|
func (d *dummyContractRef) ForEachStorage(callback func(key, value common.Hash) bool) {
|
|
d.calledForEach = true
|
|
}
|
|
func (d *dummyContractRef) SubBalance(amount *big.Int) {}
|
|
func (d *dummyContractRef) AddBalance(amount *big.Int) {}
|
|
func (d *dummyContractRef) SetBalance(*big.Int) {}
|
|
func (d *dummyContractRef) SetNonce(uint64) {}
|
|
func (d *dummyContractRef) Balance() *big.Int { return new(big.Int) }
|
|
|
|
type dummyEnv struct {
|
|
*Env
|
|
ref *dummyContractRef
|
|
}
|
|
|
|
func newDummyEnv(ref *dummyContractRef) *dummyEnv {
|
|
return &dummyEnv{
|
|
Env: NewEnv(&Config{EnableJit: false, ForceJit: false}),
|
|
ref: ref,
|
|
}
|
|
}
|
|
func (d dummyEnv) GetAccount(common.Address) Account {
|
|
return d.ref
|
|
}
|
|
|
|
func TestStoreCapture(t *testing.T) {
|
|
var (
|
|
env = NewEnv(&Config{EnableJit: false, ForceJit: false})
|
|
logger = NewStructLogger(nil)
|
|
mem = NewMemory()
|
|
stack = newstack()
|
|
contract = NewContract(&dummyContractRef{}, &dummyContractRef{}, new(big.Int), new(big.Int), new(big.Int))
|
|
)
|
|
stack.push(big.NewInt(1))
|
|
stack.push(big.NewInt(0))
|
|
|
|
var index common.Hash
|
|
|
|
logger.CaptureState(env, 0, SSTORE, new(big.Int), new(big.Int), mem, stack, contract, 0, nil)
|
|
if len(logger.changedValues[contract.Address()]) == 0 {
|
|
t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(), len(logger.changedValues[contract.Address()]))
|
|
}
|
|
|
|
exp := common.BigToHash(big.NewInt(1))
|
|
if logger.changedValues[contract.Address()][index] != exp {
|
|
t.Errorf("expected %x, got %x", exp, logger.changedValues[contract.Address()][index])
|
|
}
|
|
}
|
|
|
|
func TestStorageCapture(t *testing.T) {
|
|
t.Skip("implementing this function is difficult. it requires all sort of interfaces to be implemented which isn't trivial. The value (the actual test) isn't worth it")
|
|
var (
|
|
ref = &dummyContractRef{}
|
|
contract = NewContract(ref, ref, new(big.Int), new(big.Int), new(big.Int))
|
|
env = newDummyEnv(ref)
|
|
logger = NewStructLogger(nil)
|
|
mem = NewMemory()
|
|
stack = newstack()
|
|
)
|
|
|
|
logger.CaptureState(env, 0, STOP, new(big.Int), new(big.Int), mem, stack, contract, 0, nil)
|
|
if ref.calledForEach {
|
|
t.Error("didn't expect for each to be called")
|
|
}
|
|
|
|
logger = NewStructLogger(&LogConfig{FullStorage: true})
|
|
logger.CaptureState(env, 0, STOP, new(big.Int), new(big.Int), mem, stack, contract, 0, nil)
|
|
if !ref.calledForEach {
|
|
t.Error("expected for each to be called")
|
|
}
|
|
}
|