mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 21:47:18 +00:00
362 lines
12 KiB
Go
362 lines
12 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package state
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import (
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"bytes"
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"context"
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"testing"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon/ethdb/kv"
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checker "gopkg.in/check.v1"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/core/types/accounts"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/ethdb"
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)
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var toAddr = common.BytesToAddress
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type StateSuite struct {
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db ethdb.Database
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kv ethdb.RwKV // Same as db, but with a different interface
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state *IntraBlockState
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r StateReader
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w StateWriter
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}
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var _ = checker.Suite(&StateSuite{})
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func (s *StateSuite) TestDump(c *checker.C) {
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// generate a few entries
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obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01}))
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obj1.AddBalance(uint256.NewInt(22))
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obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02}))
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obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3})
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obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02}))
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obj3.SetBalance(uint256.NewInt(44))
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// write some of them to the trie
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ctx := context.TODO()
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err := s.w.UpdateAccountData(ctx, obj1.address, &obj1.data, new(accounts.Account))
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c.Check(err, checker.IsNil)
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err = s.w.UpdateAccountData(ctx, obj2.address, &obj2.data, new(accounts.Account))
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c.Check(err, checker.IsNil)
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err = s.state.FinalizeTx(ctx, s.w)
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c.Check(err, checker.IsNil)
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err = s.state.CommitBlock(ctx, s.w)
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c.Check(err, checker.IsNil)
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// check that dump contains the state objects that are in trie
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tx, err1 := s.kv.BeginRo(context.Background())
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if err1 != nil {
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c.Fatalf("create tx: %v", err1)
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}
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defer tx.Rollback()
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got := string(NewDumper(tx, 1).DefaultDump())
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want := `{
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"root": "71edff0130dd2385947095001c73d9e28d862fc286fca2b922ca6f6f3cddfdd2",
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"accounts": {
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"0x0000000000000000000000000000000000000001": {
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"balance": "22",
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"nonce": 0,
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"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
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},
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"0x0000000000000000000000000000000000000002": {
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"balance": "44",
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"nonce": 0,
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"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
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},
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"0x0000000000000000000000000000000000000102": {
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"balance": "0",
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"nonce": 0,
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"root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3",
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"code": "03030303030303"
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}
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}
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}`
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if got != want {
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c.Errorf("DumpToCollector mismatch:\ngot: %s\nwant: %s\n", got, want)
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}
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}
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func (s *StateSuite) SetUpTest(c *checker.C) {
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db := kv.NewMemDatabase()
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s.db = db
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s.kv = db.RwKV()
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s.r = NewDbStateReader(s.db)
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s.w = NewDbStateWriter(s.db, 0)
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s.state = New(s.r)
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}
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func (s *StateSuite) TestNull(c *checker.C) {
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address := common.HexToAddress("0x823140710bf13990e4500136726d8b55")
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s.state.CreateAccount(address, true)
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//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
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var value uint256.Int
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s.state.SetState(address, &common.Hash{}, value)
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ctx := context.TODO()
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err := s.state.FinalizeTx(ctx, s.w)
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c.Check(err, checker.IsNil)
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err = s.state.CommitBlock(ctx, s.w)
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c.Check(err, checker.IsNil)
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s.state.GetCommittedState(address, &common.Hash{}, &value)
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if !value.IsZero() {
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c.Errorf("expected empty hash. got %x", value)
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}
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}
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func (s *StateSuite) TestSnapshot(c *checker.C) {
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stateobjaddr := toAddr([]byte("aa"))
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var storageaddr common.Hash
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data1 := uint256.NewInt(42)
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data2 := uint256.NewInt(43)
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// snapshot the genesis state
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genesis := s.state.Snapshot()
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// set initial state object value
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s.state.SetState(stateobjaddr, &storageaddr, *data1)
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snapshot := s.state.Snapshot()
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// set a new state object value, revert it and ensure correct content
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s.state.SetState(stateobjaddr, &storageaddr, *data2)
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s.state.RevertToSnapshot(snapshot)
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var value uint256.Int
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s.state.GetState(stateobjaddr, &storageaddr, &value)
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c.Assert(value, checker.DeepEquals, data1)
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s.state.GetCommittedState(stateobjaddr, &storageaddr, &value)
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c.Assert(value, checker.DeepEquals, common.Hash{})
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// revert up to the genesis state and ensure correct content
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s.state.RevertToSnapshot(genesis)
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s.state.GetState(stateobjaddr, &storageaddr, &value)
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c.Assert(value, checker.DeepEquals, common.Hash{})
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s.state.GetCommittedState(stateobjaddr, &storageaddr, &value)
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c.Assert(value, checker.DeepEquals, common.Hash{})
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}
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func (s *StateSuite) TestSnapshotEmpty(c *checker.C) {
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s.state.RevertToSnapshot(s.state.Snapshot())
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}
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// use testing instead of checker because checker does not support
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// printing/logging in tests (-check.vv does not work)
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func TestSnapshot2(t *testing.T) {
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db := kv.NewMemDatabase()
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ctx := context.TODO()
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w := NewDbStateWriter(db, 0)
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state := New(NewDbStateReader(db))
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stateobjaddr0 := toAddr([]byte("so0"))
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stateobjaddr1 := toAddr([]byte("so1"))
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var storageaddr common.Hash
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data0 := uint256.NewInt(17)
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data1 := uint256.NewInt(18)
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state.SetState(stateobjaddr0, &storageaddr, *data0)
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state.SetState(stateobjaddr1, &storageaddr, *data1)
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// db, trie are already non-empty values
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so0 := state.getStateObject(stateobjaddr0)
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so0.SetBalance(uint256.NewInt(42))
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so0.SetNonce(43)
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so0.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e'}), []byte{'c', 'a', 'f', 'e'})
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so0.suicided = false
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so0.deleted = false
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state.setStateObject(so0)
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err := state.FinalizeTx(ctx, w)
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if err != nil {
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t.Fatal("error while finalizing transaction", err)
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}
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w = NewDbStateWriter(db, 1)
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err = state.CommitBlock(ctx, w)
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if err != nil {
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t.Fatal("error while committing state", err)
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}
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// and one with deleted == true
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so1 := state.getStateObject(stateobjaddr1)
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so1.SetBalance(uint256.NewInt(52))
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so1.SetNonce(53)
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so1.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e', '2'}), []byte{'c', 'a', 'f', 'e', '2'})
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so1.suicided = true
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so1.deleted = true
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state.setStateObject(so1)
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so1 = state.getStateObject(stateobjaddr1)
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if so1 != nil && !so1.deleted {
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t.Fatalf("deleted object not nil when getting")
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}
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snapshot := state.Snapshot()
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state.RevertToSnapshot(snapshot)
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so0Restored := state.getStateObject(stateobjaddr0)
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// Update lazily-loaded values before comparing.
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var tmp uint256.Int
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so0Restored.GetState(&storageaddr, &tmp)
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so0Restored.Code()
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// non-deleted is equal (restored)
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compareStateObjects(so0Restored, so0, t)
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// deleted should be nil, both before and after restore of state copy
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so1Restored := state.getStateObject(stateobjaddr1)
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if so1Restored != nil && !so1Restored.deleted {
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t.Fatalf("deleted object not nil after restoring snapshot: %+v", so1Restored)
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}
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}
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func compareStateObjects(so0, so1 *stateObject, t *testing.T) {
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if so0.Address() != so1.Address() {
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t.Fatalf("Address mismatch: have %v, want %v", so0.address, so1.address)
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}
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if so0.Balance().Cmp(so1.Balance()) != 0 {
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t.Fatalf("Balance mismatch: have %v, want %v", so0.Balance(), so1.Balance())
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}
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if so0.Nonce() != so1.Nonce() {
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t.Fatalf("Nonce mismatch: have %v, want %v", so0.Nonce(), so1.Nonce())
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}
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if so0.data.Root != so1.data.Root {
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t.Errorf("Root mismatch: have %x, want %x", so0.data.Root[:], so1.data.Root[:])
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}
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if !bytes.Equal(so0.CodeHash(), so1.CodeHash()) {
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t.Fatalf("CodeHash mismatch: have %v, want %v", so0.CodeHash(), so1.CodeHash())
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}
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if !bytes.Equal(so0.code, so1.code) {
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t.Fatalf("Code mismatch: have %v, want %v", so0.code, so1.code)
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}
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if len(so1.dirtyStorage) != len(so0.dirtyStorage) {
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t.Errorf("Dirty storage size mismatch: have %d, want %d", len(so1.dirtyStorage), len(so0.dirtyStorage))
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}
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for k, v := range so1.dirtyStorage {
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if so0.dirtyStorage[k] != v {
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t.Errorf("Dirty storage key %x mismatch: have %v, want %v", k, so0.dirtyStorage[k], v)
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}
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}
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for k, v := range so0.dirtyStorage {
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if so1.dirtyStorage[k] != v {
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t.Errorf("Dirty storage key %x mismatch: have %v, want none.", k, v)
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}
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}
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if len(so1.originStorage) != len(so0.originStorage) {
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t.Errorf("Origin storage size mismatch: have %d, want %d", len(so1.originStorage), len(so0.originStorage))
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}
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for k, v := range so1.originStorage {
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if so0.originStorage[k] != v {
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t.Errorf("Origin storage key %x mismatch: have %v, want %v", k, so0.originStorage[k], v)
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}
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}
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for k, v := range so0.originStorage {
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if so1.originStorage[k] != v {
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t.Errorf("Origin storage key %x mismatch: have %v, want none.", k, v)
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}
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}
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}
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func TestDump(t *testing.T) {
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_, tx := kv.NewTestTx(t)
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w := NewPlainStateWriter(tx, tx, 0)
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state := New(NewPlainStateReader(tx))
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// generate a few entries
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obj1 := state.GetOrNewStateObject(toAddr([]byte{0x01}))
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obj1.AddBalance(uint256.NewInt(22))
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obj2 := state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02}))
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obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3})
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obj2.setIncarnation(1)
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obj3 := state.GetOrNewStateObject(toAddr([]byte{0x02}))
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obj3.SetBalance(uint256.NewInt(44))
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// write some of them to the trie
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ctx := context.TODO()
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err := w.UpdateAccountData(ctx, obj1.address, &obj1.data, new(accounts.Account))
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if err != nil {
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t.Fatal(err)
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}
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err = w.UpdateAccountData(ctx, obj2.address, &obj2.data, new(accounts.Account))
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if err != nil {
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t.Fatal(err)
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}
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err = state.FinalizeTx(ctx, w)
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if err != nil {
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t.Fatal(err)
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}
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blockWriter := NewPlainStateWriter(tx, tx, 1)
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err = state.CommitBlock(ctx, blockWriter)
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if err != nil {
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t.Fatal(err)
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}
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err = blockWriter.WriteChangeSets()
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if err != nil {
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t.Fatal(err)
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}
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err = blockWriter.WriteHistory()
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if err != nil {
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t.Fatal(err)
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}
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// check that dump contains the state objects that are in trie
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got := string(NewDumper(tx, 2).DefaultDump())
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want := `{
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"root": "0000000000000000000000000000000000000000000000000000000000000000",
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"accounts": {
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"0x0000000000000000000000000000000000000001": {
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"balance": "22",
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"nonce": 0,
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"root": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
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},
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"0x0000000000000000000000000000000000000002": {
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"balance": "44",
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"nonce": 0,
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"root": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
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},
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"0x0000000000000000000000000000000000000102": {
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"balance": "0",
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"nonce": 0,
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"root": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3",
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"code": "03030303030303"
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}
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}
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}`
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if got != want {
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t.Fatalf("dump mismatch:\ngot: %s\nwant: %s\n", got, want)
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}
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}
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