erigon-pulse/core/vm/logger_test.go
2020-08-08 17:33:35 +02:00

77 lines
2.8 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/holiman/uint256"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/core/state"
"github.com/ledgerwatch/turbo-geth/core/vm/stack"
"github.com/ledgerwatch/turbo-geth/params"
)
type dummyContractRef struct {
calledForEach bool
}
func (dummyContractRef) ReturnGas(*big.Int) {}
func (dummyContractRef) Address() common.Address { return common.Address{} }
func (dummyContractRef) Value() *big.Int { return new(big.Int) }
func (dummyContractRef) SetCode(common.Hash, []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 dummyStatedb struct {
state.IntraBlockState
}
func (*dummyStatedb) GetRefund() uint64 { return 1337 }
func TestStoreCapture(t *testing.T) {
var (
env = NewEVM(Context{}, &dummyStatedb{}, params.TestChainConfig, Config{})
logger = NewStructLogger(nil)
mem = NewMemory()
rstack = stack.NewReturnStack()
stack = stack.New()
contract = NewContract(&dummyContractRef{}, &dummyContractRef{}, new(uint256.Int), 0, false /* skipAnalysis */)
)
stack.Push(uint256.NewInt().SetUint64(1))
stack.Push(uint256.NewInt())
var index common.Hash
if err := logger.CaptureState(env, 0, SSTORE, 0, 0, mem, stack, rstack, nil, contract, 0, nil); err != nil {
t.Fatalf("error while caturing state %v", err)
}
if len(logger.storage[contract.Address()]) == 0 {
t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(), len(logger.storage[contract.Address()]))
}
exp := common.BigToHash(big.NewInt(1))
if logger.storage[contract.Address()][index] != exp {
t.Errorf("expected %x, got %x", exp, logger.storage[contract.Address()][index])
}
}