232 lines
7.3 KiB
Go
232 lines
7.3 KiB
Go
// Copyright 2014 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 state
|
|
|
|
import (
|
|
"bytes"
|
|
"math/big"
|
|
"testing"
|
|
|
|
checker "gopkg.in/check.v1"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
)
|
|
|
|
type StateSuite struct {
|
|
state *StateDB
|
|
}
|
|
|
|
var _ = checker.Suite(&StateSuite{})
|
|
|
|
var toAddr = common.BytesToAddress
|
|
|
|
func (s *StateSuite) TestDump(c *checker.C) {
|
|
// generate a few entries
|
|
obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01}))
|
|
obj1.AddBalance(big.NewInt(22))
|
|
obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02}))
|
|
obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3})
|
|
obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02}))
|
|
obj3.SetBalance(big.NewInt(44))
|
|
|
|
// write some of them to the trie
|
|
s.state.UpdateStateObject(obj1)
|
|
s.state.UpdateStateObject(obj2)
|
|
s.state.Commit()
|
|
|
|
// check that dump contains the state objects that are in trie
|
|
got := string(s.state.Dump())
|
|
want := `{
|
|
"root": "71edff0130dd2385947095001c73d9e28d862fc286fca2b922ca6f6f3cddfdd2",
|
|
"accounts": {
|
|
"0000000000000000000000000000000000000001": {
|
|
"balance": "22",
|
|
"nonce": 0,
|
|
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
|
|
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
|
|
"code": "",
|
|
"storage": {}
|
|
},
|
|
"0000000000000000000000000000000000000002": {
|
|
"balance": "44",
|
|
"nonce": 0,
|
|
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
|
|
"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
|
|
"code": "",
|
|
"storage": {}
|
|
},
|
|
"0000000000000000000000000000000000000102": {
|
|
"balance": "0",
|
|
"nonce": 0,
|
|
"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
|
|
"codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3",
|
|
"code": "03030303030303",
|
|
"storage": {}
|
|
}
|
|
}
|
|
}`
|
|
if got != want {
|
|
c.Errorf("dump mismatch:\ngot: %s\nwant: %s\n", got, want)
|
|
}
|
|
}
|
|
|
|
func (s *StateSuite) SetUpTest(c *checker.C) {
|
|
db, _ := ethdb.NewMemDatabase()
|
|
s.state, _ = New(common.Hash{}, db)
|
|
}
|
|
|
|
func TestNull(t *testing.T) {
|
|
db, _ := ethdb.NewMemDatabase()
|
|
state, _ := New(common.Hash{}, db)
|
|
|
|
address := common.HexToAddress("0x823140710bf13990e4500136726d8b55")
|
|
state.CreateAccount(address)
|
|
//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
|
|
var value common.Hash
|
|
state.SetState(address, common.Hash{}, value)
|
|
state.Commit()
|
|
value = state.GetState(address, common.Hash{})
|
|
if !common.EmptyHash(value) {
|
|
t.Errorf("expected empty hash. got %x", value)
|
|
}
|
|
}
|
|
|
|
func (s *StateSuite) TestSnapshot(c *checker.C) {
|
|
stateobjaddr := toAddr([]byte("aa"))
|
|
var storageaddr common.Hash
|
|
data1 := common.BytesToHash([]byte{42})
|
|
data2 := common.BytesToHash([]byte{43})
|
|
|
|
// set initial state object value
|
|
s.state.SetState(stateobjaddr, storageaddr, data1)
|
|
// get snapshot of current state
|
|
snapshot := s.state.Copy()
|
|
|
|
// set new state object value
|
|
s.state.SetState(stateobjaddr, storageaddr, data2)
|
|
// restore snapshot
|
|
s.state.Set(snapshot)
|
|
|
|
// get state storage value
|
|
res := s.state.GetState(stateobjaddr, storageaddr)
|
|
|
|
c.Assert(data1, checker.DeepEquals, res)
|
|
}
|
|
|
|
// use testing instead of checker because checker does not support
|
|
// printing/logging in tests (-check.vv does not work)
|
|
func TestSnapshot2(t *testing.T) {
|
|
db, _ := ethdb.NewMemDatabase()
|
|
state, _ := New(common.Hash{}, db)
|
|
|
|
stateobjaddr0 := toAddr([]byte("so0"))
|
|
stateobjaddr1 := toAddr([]byte("so1"))
|
|
var storageaddr common.Hash
|
|
|
|
data0 := common.BytesToHash([]byte{17})
|
|
data1 := common.BytesToHash([]byte{18})
|
|
|
|
state.SetState(stateobjaddr0, storageaddr, data0)
|
|
state.SetState(stateobjaddr1, storageaddr, data1)
|
|
|
|
// db, trie are already non-empty values
|
|
so0 := state.GetStateObject(stateobjaddr0)
|
|
so0.SetBalance(big.NewInt(42))
|
|
so0.SetNonce(43)
|
|
so0.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e'}), []byte{'c', 'a', 'f', 'e'})
|
|
so0.remove = false
|
|
so0.deleted = false
|
|
state.SetStateObject(so0)
|
|
|
|
root, _ := state.Commit()
|
|
state.Reset(root)
|
|
|
|
// and one with deleted == true
|
|
so1 := state.GetStateObject(stateobjaddr1)
|
|
so1.SetBalance(big.NewInt(52))
|
|
so1.SetNonce(53)
|
|
so1.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e', '2'}), []byte{'c', 'a', 'f', 'e', '2'})
|
|
so1.remove = true
|
|
so1.deleted = true
|
|
state.SetStateObject(so1)
|
|
|
|
so1 = state.GetStateObject(stateobjaddr1)
|
|
if so1 != nil {
|
|
t.Fatalf("deleted object not nil when getting")
|
|
}
|
|
|
|
snapshot := state.Copy()
|
|
state.Set(snapshot)
|
|
|
|
so0Restored := state.GetStateObject(stateobjaddr0)
|
|
// Update lazily-loaded values before comparing.
|
|
so0Restored.GetState(db, storageaddr)
|
|
so0Restored.Code(db)
|
|
// non-deleted is equal (restored)
|
|
compareStateObjects(so0Restored, so0, t)
|
|
|
|
// deleted should be nil, both before and after restore of state copy
|
|
so1Restored := state.GetStateObject(stateobjaddr1)
|
|
if so1Restored != nil {
|
|
t.Fatalf("deleted object not nil after restoring snapshot: %+v", so1Restored)
|
|
}
|
|
}
|
|
|
|
func compareStateObjects(so0, so1 *StateObject, t *testing.T) {
|
|
if so0.Address() != so1.Address() {
|
|
t.Fatalf("Address mismatch: have %v, want %v", so0.address, so1.address)
|
|
}
|
|
if so0.Balance().Cmp(so1.Balance()) != 0 {
|
|
t.Fatalf("Balance mismatch: have %v, want %v", so0.Balance(), so1.Balance())
|
|
}
|
|
if so0.Nonce() != so1.Nonce() {
|
|
t.Fatalf("Nonce mismatch: have %v, want %v", so0.Nonce(), so1.Nonce())
|
|
}
|
|
if so0.data.Root != so1.data.Root {
|
|
t.Errorf("Root mismatch: have %x, want %x", so0.data.Root[:], so1.data.Root[:])
|
|
}
|
|
if !bytes.Equal(so0.CodeHash(), so1.CodeHash()) {
|
|
t.Fatalf("CodeHash mismatch: have %v, want %v", so0.CodeHash(), so1.CodeHash())
|
|
}
|
|
if !bytes.Equal(so0.code, so1.code) {
|
|
t.Fatalf("Code mismatch: have %v, want %v", so0.code, so1.code)
|
|
}
|
|
|
|
if len(so1.storage) != len(so0.storage) {
|
|
t.Errorf("Storage size mismatch: have %d, want %d", len(so1.storage), len(so0.storage))
|
|
}
|
|
for k, v := range so1.storage {
|
|
if so0.storage[k] != v {
|
|
t.Errorf("Storage key %x mismatch: have %v, want %v", k, so0.storage[k], v)
|
|
}
|
|
}
|
|
for k, v := range so0.storage {
|
|
if so1.storage[k] != v {
|
|
t.Errorf("Storage key %x mismatch: have %v, want none.", k, v)
|
|
}
|
|
}
|
|
|
|
if so0.remove != so1.remove {
|
|
t.Fatalf("Remove mismatch: have %v, want %v", so0.remove, so1.remove)
|
|
}
|
|
if so0.deleted != so1.deleted {
|
|
t.Fatalf("Deleted mismatch: have %v, want %v", so0.deleted, so1.deleted)
|
|
}
|
|
}
|