forked from cerc-io/plugeth
core/state: fix staticcheck warnings (#20357)
Also remove dependency on gopkg.in/check.v1 in tests.
This commit is contained in:
Felix Lange
GitHub
parent
36a684ca1e
commit
dd21f079e8
@ -47,7 +47,9 @@ type Dump struct {
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}
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// iterativeDump is a 'collector'-implementation which dump output line-by-line iteratively
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type iterativeDump json.Encoder
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type iterativeDump struct {
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*json.Encoder
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}
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// Collector interface which the state trie calls during iteration
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type collector interface {
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@ -55,15 +57,15 @@ type collector interface {
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onAccount(common.Address, DumpAccount)
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}
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func (self *Dump) onRoot(root common.Hash) {
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self.Root = fmt.Sprintf("%x", root)
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func (d *Dump) onRoot(root common.Hash) {
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d.Root = fmt.Sprintf("%x", root)
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}
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func (self *Dump) onAccount(addr common.Address, account DumpAccount) {
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self.Accounts[addr] = account
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func (d *Dump) onAccount(addr common.Address, account DumpAccount) {
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d.Accounts[addr] = account
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}
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func (self iterativeDump) onAccount(addr common.Address, account DumpAccount) {
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func (d iterativeDump) onAccount(addr common.Address, account DumpAccount) {
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dumpAccount := &DumpAccount{
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Balance: account.Balance,
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Nonce: account.Nonce,
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@ -77,25 +79,26 @@ func (self iterativeDump) onAccount(addr common.Address, account DumpAccount) {
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if addr != (common.Address{}) {
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dumpAccount.Address = &addr
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}
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(*json.Encoder)(&self).Encode(dumpAccount)
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d.Encode(dumpAccount)
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}
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func (self iterativeDump) onRoot(root common.Hash) {
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(*json.Encoder)(&self).Encode(struct {
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func (d iterativeDump) onRoot(root common.Hash) {
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d.Encode(struct {
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Root common.Hash `json:"root"`
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}{root})
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}
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func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissingPreimages bool) {
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func (s *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissingPreimages bool) {
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emptyAddress := (common.Address{})
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missingPreimages := 0
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c.onRoot(self.trie.Hash())
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it := trie.NewIterator(self.trie.NodeIterator(nil))
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c.onRoot(s.trie.Hash())
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it := trie.NewIterator(s.trie.NodeIterator(nil))
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for it.Next() {
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var data Account
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if err := rlp.DecodeBytes(it.Value, &data); err != nil {
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panic(err)
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}
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addr := common.BytesToAddress(self.trie.GetKey(it.Key))
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addr := common.BytesToAddress(s.trie.GetKey(it.Key))
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obj := newObject(nil, addr, data)
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account := DumpAccount{
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Balance: data.Balance.String(),
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@ -112,18 +115,18 @@ func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissi
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account.SecureKey = it.Key
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}
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if !excludeCode {
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account.Code = common.Bytes2Hex(obj.Code(self.db))
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account.Code = common.Bytes2Hex(obj.Code(s.db))
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}
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if !excludeStorage {
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account.Storage = make(map[common.Hash]string)
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storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
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storageIt := trie.NewIterator(obj.getTrie(s.db).NodeIterator(nil))
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for storageIt.Next() {
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_, content, _, err := rlp.Split(storageIt.Value)
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if err != nil {
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log.Error("Failed to decode the value returned by iterator", "error", err)
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continue
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}
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account.Storage[common.BytesToHash(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(content)
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account.Storage[common.BytesToHash(s.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(content)
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}
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}
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c.onAccount(addr, account)
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@ -134,17 +137,17 @@ func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissi
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}
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// RawDump returns the entire state an a single large object
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func (self *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump {
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func (s *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump {
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dump := &Dump{
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Accounts: make(map[common.Address]DumpAccount),
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}
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self.dump(dump, excludeCode, excludeStorage, excludeMissingPreimages)
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s.dump(dump, excludeCode, excludeStorage, excludeMissingPreimages)
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return *dump
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}
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// Dump returns a JSON string representing the entire state as a single json-object
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func (self *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages bool) []byte {
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dump := self.RawDump(excludeCode, excludeStorage, excludeMissingPreimages)
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func (s *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages bool) []byte {
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dump := s.RawDump(excludeCode, excludeStorage, excludeMissingPreimages)
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json, err := json.MarshalIndent(dump, "", " ")
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if err != nil {
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fmt.Println("dump err", err)
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@ -153,6 +156,6 @@ func (self *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages b
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}
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// IterativeDump dumps out accounts as json-objects, delimited by linebreaks on stdout
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func (self *StateDB) IterativeDump(excludeCode, excludeStorage, excludeMissingPreimages bool, output *json.Encoder) {
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self.dump(iterativeDump(*output), excludeCode, excludeStorage, excludeMissingPreimages)
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func (s *StateDB) IterativeDump(excludeCode, excludeStorage, excludeMissingPreimages bool, output *json.Encoder) {
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s.dump(iterativeDump{output}, excludeCode, excludeStorage, excludeMissingPreimages)
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}
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@ -127,9 +127,7 @@ type (
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hash common.Hash
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}
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touchChange struct {
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account *common.Address
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prev bool
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prevDirty bool
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account *common.Address
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}
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)
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@ -1,25 +0,0 @@
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// 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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"testing"
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checker "gopkg.in/check.v1"
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)
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func Test(t *testing.T) { checker.TestingT(t) }
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@ -25,19 +25,24 @@ import (
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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checker "gopkg.in/check.v1"
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)
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type StateSuite struct {
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var toAddr = common.BytesToAddress
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type stateTest struct {
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db ethdb.Database
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state *StateDB
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}
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var _ = checker.Suite(&StateSuite{})
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func newStateTest() *stateTest {
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db := rawdb.NewMemoryDatabase()
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sdb, _ := New(common.Hash{}, NewDatabase(db))
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return &stateTest{db: db, state: sdb}
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}
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var toAddr = common.BytesToAddress
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func TestDump(t *testing.T) {
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s := newStateTest()
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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(big.NewInt(22))
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@ -78,16 +83,12 @@ func (s *StateSuite) TestDump(c *checker.C) {
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}
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}`
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if got != want {
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c.Errorf("dump mismatch:\ngot: %s\nwant: %s\n", got, want)
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t.Errorf("dump 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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s.db = rawdb.NewMemoryDatabase()
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s.state, _ = New(common.Hash{}, NewDatabase(s.db))
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}
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func (s *StateSuite) TestNull(c *checker.C) {
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func TestNull(t *testing.T) {
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s := newStateTest()
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address := common.HexToAddress("0x823140710bf13990e4500136726d8b55")
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s.state.CreateAccount(address)
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//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
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@ -97,18 +98,19 @@ func (s *StateSuite) TestNull(c *checker.C) {
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s.state.Commit(false)
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if value := s.state.GetState(address, common.Hash{}); value != (common.Hash{}) {
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c.Errorf("expected empty current value, got %x", value)
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t.Errorf("expected empty current value, got %x", value)
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}
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if value := s.state.GetCommittedState(address, common.Hash{}); value != (common.Hash{}) {
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c.Errorf("expected empty committed value, got %x", value)
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t.Errorf("expected empty committed value, 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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func TestSnapshot(t *testing.T) {
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stateobjaddr := toAddr([]byte("aa"))
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var storageaddr common.Hash
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data1 := common.BytesToHash([]byte{42})
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data2 := common.BytesToHash([]byte{43})
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s := newStateTest()
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// snapshot the genesis state
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genesis := s.state.Snapshot()
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@ -121,21 +123,28 @@ func (s *StateSuite) TestSnapshot(c *checker.C) {
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s.state.SetState(stateobjaddr, storageaddr, data2)
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s.state.RevertToSnapshot(snapshot)
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c.Assert(s.state.GetState(stateobjaddr, storageaddr), checker.DeepEquals, data1)
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c.Assert(s.state.GetCommittedState(stateobjaddr, storageaddr), checker.DeepEquals, common.Hash{})
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if v := s.state.GetState(stateobjaddr, storageaddr); v != data1 {
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t.Errorf("wrong storage value %v, want %v", v, data1)
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}
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if v := s.state.GetCommittedState(stateobjaddr, storageaddr); v != (common.Hash{}) {
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t.Errorf("wrong committed storage value %v, want %v", v, common.Hash{})
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}
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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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c.Assert(s.state.GetState(stateobjaddr, storageaddr), checker.DeepEquals, common.Hash{})
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c.Assert(s.state.GetCommittedState(stateobjaddr, storageaddr), checker.DeepEquals, common.Hash{})
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if v := s.state.GetState(stateobjaddr, storageaddr); v != (common.Hash{}) {
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t.Errorf("wrong storage value %v, want %v", v, common.Hash{})
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}
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if v := s.state.GetCommittedState(stateobjaddr, storageaddr); v != (common.Hash{}) {
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t.Errorf("wrong committed storage value %v, want %v", v, common.Hash{})
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}
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}
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func (s *StateSuite) TestSnapshotEmpty(c *checker.C) {
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func TestSnapshotEmpty(t *testing.T) {
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s := newStateTest()
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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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state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()))
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@ -124,115 +124,115 @@ func New(root common.Hash, db Database) (*StateDB, error) {
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}
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// setError remembers the first non-nil error it is called with.
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func (self *StateDB) setError(err error) {
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if self.dbErr == nil {
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self.dbErr = err
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func (s *StateDB) setError(err error) {
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if s.dbErr == nil {
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s.dbErr = err
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}
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}
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func (self *StateDB) Error() error {
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return self.dbErr
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func (s *StateDB) Error() error {
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return s.dbErr
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}
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// Reset clears out all ephemeral state objects from the state db, but keeps
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// the underlying state trie to avoid reloading data for the next operations.
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func (self *StateDB) Reset(root common.Hash) error {
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tr, err := self.db.OpenTrie(root)
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func (s *StateDB) Reset(root common.Hash) error {
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tr, err := s.db.OpenTrie(root)
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if err != nil {
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return err
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}
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self.trie = tr
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self.stateObjects = make(map[common.Address]*stateObject)
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self.stateObjectsPending = make(map[common.Address]struct{})
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self.stateObjectsDirty = make(map[common.Address]struct{})
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self.thash = common.Hash{}
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self.bhash = common.Hash{}
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self.txIndex = 0
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self.logs = make(map[common.Hash][]*types.Log)
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self.logSize = 0
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self.preimages = make(map[common.Hash][]byte)
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self.clearJournalAndRefund()
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s.trie = tr
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s.stateObjects = make(map[common.Address]*stateObject)
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s.stateObjectsPending = make(map[common.Address]struct{})
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s.stateObjectsDirty = make(map[common.Address]struct{})
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s.thash = common.Hash{}
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s.bhash = common.Hash{}
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s.txIndex = 0
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s.logs = make(map[common.Hash][]*types.Log)
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s.logSize = 0
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s.preimages = make(map[common.Hash][]byte)
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s.clearJournalAndRefund()
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return nil
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}
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func (self *StateDB) AddLog(log *types.Log) {
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self.journal.append(addLogChange{txhash: self.thash})
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func (s *StateDB) AddLog(log *types.Log) {
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s.journal.append(addLogChange{txhash: s.thash})
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log.TxHash = self.thash
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log.BlockHash = self.bhash
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log.TxIndex = uint(self.txIndex)
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log.Index = self.logSize
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self.logs[self.thash] = append(self.logs[self.thash], log)
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self.logSize++
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log.TxHash = s.thash
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log.BlockHash = s.bhash
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log.TxIndex = uint(s.txIndex)
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log.Index = s.logSize
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s.logs[s.thash] = append(s.logs[s.thash], log)
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s.logSize++
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}
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func (self *StateDB) GetLogs(hash common.Hash) []*types.Log {
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return self.logs[hash]
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func (s *StateDB) GetLogs(hash common.Hash) []*types.Log {
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return s.logs[hash]
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}
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func (self *StateDB) Logs() []*types.Log {
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func (s *StateDB) Logs() []*types.Log {
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var logs []*types.Log
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for _, lgs := range self.logs {
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for _, lgs := range s.logs {
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logs = append(logs, lgs...)
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}
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return logs
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}
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// AddPreimage records a SHA3 preimage seen by the VM.
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func (self *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
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if _, ok := self.preimages[hash]; !ok {
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self.journal.append(addPreimageChange{hash: hash})
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func (s *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
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if _, ok := s.preimages[hash]; !ok {
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s.journal.append(addPreimageChange{hash: hash})
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pi := make([]byte, len(preimage))
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copy(pi, preimage)
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self.preimages[hash] = pi
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s.preimages[hash] = pi
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}
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}
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// Preimages returns a list of SHA3 preimages that have been submitted.
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func (self *StateDB) Preimages() map[common.Hash][]byte {
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return self.preimages
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func (s *StateDB) Preimages() map[common.Hash][]byte {
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return s.preimages
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}
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// AddRefund adds gas to the refund counter
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func (self *StateDB) AddRefund(gas uint64) {
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self.journal.append(refundChange{prev: self.refund})
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self.refund += gas
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func (s *StateDB) AddRefund(gas uint64) {
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s.journal.append(refundChange{prev: s.refund})
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s.refund += gas
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}
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// SubRefund removes gas from the refund counter.
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// This method will panic if the refund counter goes below zero
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func (self *StateDB) SubRefund(gas uint64) {
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self.journal.append(refundChange{prev: self.refund})
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if gas > self.refund {
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func (s *StateDB) SubRefund(gas uint64) {
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s.journal.append(refundChange{prev: s.refund})
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if gas > s.refund {
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panic("Refund counter below zero")
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}
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self.refund -= gas
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s.refund -= gas
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}
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// Exist reports whether the given account address exists in the state.
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// Notably this also returns true for suicided accounts.
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func (self *StateDB) Exist(addr common.Address) bool {
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return self.getStateObject(addr) != nil
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func (s *StateDB) Exist(addr common.Address) bool {
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return s.getStateObject(addr) != nil
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}
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// Empty returns whether the state object is either non-existent
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// or empty according to the EIP161 specification (balance = nonce = code = 0)
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func (self *StateDB) Empty(addr common.Address) bool {
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so := self.getStateObject(addr)
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func (s *StateDB) Empty(addr common.Address) bool {
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so := s.getStateObject(addr)
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return so == nil || so.empty()
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}
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// Retrieve the balance from the given address or 0 if object not found
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func (self *StateDB) GetBalance(addr common.Address) *big.Int {
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stateObject := self.getStateObject(addr)
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func (s *StateDB) GetBalance(addr common.Address) *big.Int {
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stateObject := s.getStateObject(addr)
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||||
if stateObject != nil {
|
||||
return stateObject.Balance()
|
||||
}
|
||||
return common.Big0
|
||||
}
|
||||
|
||||
func (self *StateDB) GetNonce(addr common.Address) uint64 {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetNonce(addr common.Address) uint64 {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject != nil {
|
||||
return stateObject.Nonce()
|
||||
}
|
||||
@ -241,40 +241,40 @@ func (self *StateDB) GetNonce(addr common.Address) uint64 {
|
||||
}
|
||||
|
||||
// TxIndex returns the current transaction index set by Prepare.
|
||||
func (self *StateDB) TxIndex() int {
|
||||
return self.txIndex
|
||||
func (s *StateDB) TxIndex() int {
|
||||
return s.txIndex
|
||||
}
|
||||
|
||||
// BlockHash returns the current block hash set by Prepare.
|
||||
func (self *StateDB) BlockHash() common.Hash {
|
||||
return self.bhash
|
||||
func (s *StateDB) BlockHash() common.Hash {
|
||||
return s.bhash
|
||||
}
|
||||
|
||||
func (self *StateDB) GetCode(addr common.Address) []byte {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetCode(addr common.Address) []byte {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject != nil {
|
||||
return stateObject.Code(self.db)
|
||||
return stateObject.Code(s.db)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateDB) GetCodeSize(addr common.Address) int {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetCodeSize(addr common.Address) int {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
return 0
|
||||
}
|
||||
if stateObject.code != nil {
|
||||
return len(stateObject.code)
|
||||
}
|
||||
size, err := self.db.ContractCodeSize(stateObject.addrHash, common.BytesToHash(stateObject.CodeHash()))
|
||||
size, err := s.db.ContractCodeSize(stateObject.addrHash, common.BytesToHash(stateObject.CodeHash()))
|
||||
if err != nil {
|
||||
self.setError(err)
|
||||
s.setError(err)
|
||||
}
|
||||
return size
|
||||
}
|
||||
|
||||
func (self *StateDB) GetCodeHash(addr common.Address) common.Hash {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetCodeHash(addr common.Address) common.Hash {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
return common.Hash{}
|
||||
}
|
||||
@ -282,25 +282,25 @@ func (self *StateDB) GetCodeHash(addr common.Address) common.Hash {
|
||||
}
|
||||
|
||||
// GetState retrieves a value from the given account's storage trie.
|
||||
func (self *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject != nil {
|
||||
return stateObject.GetState(self.db, hash)
|
||||
return stateObject.GetState(s.db, hash)
|
||||
}
|
||||
return common.Hash{}
|
||||
}
|
||||
|
||||
// GetProof returns the MerkleProof for a given Account
|
||||
func (self *StateDB) GetProof(a common.Address) ([][]byte, error) {
|
||||
func (s *StateDB) GetProof(a common.Address) ([][]byte, error) {
|
||||
var proof proofList
|
||||
err := self.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
|
||||
err := s.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
|
||||
return [][]byte(proof), err
|
||||
}
|
||||
|
||||
// GetProof returns the StorageProof for given key
|
||||
func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
|
||||
func (s *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
|
||||
var proof proofList
|
||||
trie := self.StorageTrie(a)
|
||||
trie := s.StorageTrie(a)
|
||||
if trie == nil {
|
||||
return proof, errors.New("storage trie for requested address does not exist")
|
||||
}
|
||||
@ -309,32 +309,32 @@ func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byt
|
||||
}
|
||||
|
||||
// GetCommittedState retrieves a value from the given account's committed storage trie.
|
||||
func (self *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject != nil {
|
||||
return stateObject.GetCommittedState(self.db, hash)
|
||||
return stateObject.GetCommittedState(s.db, hash)
|
||||
}
|
||||
return common.Hash{}
|
||||
}
|
||||
|
||||
// Database retrieves the low level database supporting the lower level trie ops.
|
||||
func (self *StateDB) Database() Database {
|
||||
return self.db
|
||||
func (s *StateDB) Database() Database {
|
||||
return s.db
|
||||
}
|
||||
|
||||
// StorageTrie returns the storage trie of an account.
|
||||
// The return value is a copy and is nil for non-existent accounts.
|
||||
func (self *StateDB) StorageTrie(addr common.Address) Trie {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) StorageTrie(addr common.Address) Trie {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
return nil
|
||||
}
|
||||
cpy := stateObject.deepCopy(self)
|
||||
return cpy.updateTrie(self.db)
|
||||
cpy := stateObject.deepCopy(s)
|
||||
return cpy.updateTrie(s.db)
|
||||
}
|
||||
|
||||
func (self *StateDB) HasSuicided(addr common.Address) bool {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) HasSuicided(addr common.Address) bool {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject != nil {
|
||||
return stateObject.suicided
|
||||
}
|
||||
@ -346,53 +346,53 @@ func (self *StateDB) HasSuicided(addr common.Address) bool {
|
||||
*/
|
||||
|
||||
// AddBalance adds amount to the account associated with addr.
|
||||
func (self *StateDB) AddBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) AddBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.AddBalance(amount)
|
||||
}
|
||||
}
|
||||
|
||||
// SubBalance subtracts amount from the account associated with addr.
|
||||
func (self *StateDB) SubBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SubBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SubBalance(amount)
|
||||
}
|
||||
}
|
||||
|
||||
func (self *StateDB) SetBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SetBalance(addr common.Address, amount *big.Int) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SetBalance(amount)
|
||||
}
|
||||
}
|
||||
|
||||
func (self *StateDB) SetNonce(addr common.Address, nonce uint64) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SetNonce(addr common.Address, nonce uint64) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SetNonce(nonce)
|
||||
}
|
||||
}
|
||||
|
||||
func (self *StateDB) SetCode(addr common.Address, code []byte) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SetCode(addr common.Address, code []byte) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SetCode(crypto.Keccak256Hash(code), code)
|
||||
}
|
||||
}
|
||||
|
||||
func (self *StateDB) SetState(addr common.Address, key, value common.Hash) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SetState(addr common.Address, key, value common.Hash) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SetState(self.db, key, value)
|
||||
stateObject.SetState(s.db, key, value)
|
||||
}
|
||||
}
|
||||
|
||||
// SetStorage replaces the entire storage for the specified account with given
|
||||
// storage. This function should only be used for debugging.
|
||||
func (self *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common.Hash) {
|
||||
stateObject := self.GetOrNewStateObject(addr)
|
||||
func (s *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common.Hash) {
|
||||
stateObject := s.GetOrNewStateObject(addr)
|
||||
if stateObject != nil {
|
||||
stateObject.SetStorage(storage)
|
||||
}
|
||||
@ -403,12 +403,12 @@ func (self *StateDB) SetStorage(addr common.Address, storage map[common.Hash]com
|
||||
//
|
||||
// The account's state object is still available until the state is committed,
|
||||
// getStateObject will return a non-nil account after Suicide.
|
||||
func (self *StateDB) Suicide(addr common.Address) bool {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) Suicide(addr common.Address) bool {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
return false
|
||||
}
|
||||
self.journal.append(suicideChange{
|
||||
s.journal.append(suicideChange{
|
||||
account: &addr,
|
||||
prev: stateObject.suicided,
|
||||
prevbalance: new(big.Int).Set(stateObject.Balance()),
|
||||
@ -462,7 +462,7 @@ func (s *StateDB) getStateObject(addr common.Address) *stateObject {
|
||||
|
||||
// getDeletedStateObject is similar to getStateObject, but instead of returning
|
||||
// nil for a deleted state object, it returns the actual object with the deleted
|
||||
// flag set. This is needed by the state journal to revert to the correct self-
|
||||
// flag set. This is needed by the state journal to revert to the correct s-
|
||||
// destructed object instead of wiping all knowledge about the state object.
|
||||
func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
|
||||
// Prefer live objects if any is available
|
||||
@ -490,32 +490,32 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
|
||||
return obj
|
||||
}
|
||||
|
||||
func (self *StateDB) setStateObject(object *stateObject) {
|
||||
self.stateObjects[object.Address()] = object
|
||||
func (s *StateDB) setStateObject(object *stateObject) {
|
||||
s.stateObjects[object.Address()] = object
|
||||
}
|
||||
|
||||
// Retrieve a state object or create a new state object if nil.
|
||||
func (self *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
|
||||
stateObject := self.getStateObject(addr)
|
||||
func (s *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
|
||||
stateObject := s.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
stateObject, _ = self.createObject(addr)
|
||||
stateObject, _ = s.createObject(addr)
|
||||
}
|
||||
return stateObject
|
||||
}
|
||||
|
||||
// createObject creates a new state object. If there is an existing account with
|
||||
// the given address, it is overwritten and returned as the second return value.
|
||||
func (self *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
|
||||
prev = self.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
|
||||
func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
|
||||
prev = s.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
|
||||
|
||||
newobj = newObject(self, addr, Account{})
|
||||
newobj = newObject(s, addr, Account{})
|
||||
newobj.setNonce(0) // sets the object to dirty
|
||||
if prev == nil {
|
||||
self.journal.append(createObjectChange{account: &addr})
|
||||
s.journal.append(createObjectChange{account: &addr})
|
||||
} else {
|
||||
self.journal.append(resetObjectChange{prev: prev})
|
||||
s.journal.append(resetObjectChange{prev: prev})
|
||||
}
|
||||
self.setStateObject(newobj)
|
||||
s.setStateObject(newobj)
|
||||
return newobj, prev
|
||||
}
|
||||
|
||||
@ -529,8 +529,8 @@ func (self *StateDB) createObject(addr common.Address) (newobj, prev *stateObjec
|
||||
// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
|
||||
//
|
||||
// Carrying over the balance ensures that Ether doesn't disappear.
|
||||
func (self *StateDB) CreateAccount(addr common.Address) {
|
||||
newObj, prev := self.createObject(addr)
|
||||
func (s *StateDB) CreateAccount(addr common.Address) {
|
||||
newObj, prev := s.createObject(addr)
|
||||
if prev != nil {
|
||||
newObj.setBalance(prev.data.Balance)
|
||||
}
|
||||
@ -567,27 +567,27 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common
|
||||
|
||||
// Copy creates a deep, independent copy of the state.
|
||||
// Snapshots of the copied state cannot be applied to the copy.
|
||||
func (self *StateDB) Copy() *StateDB {
|
||||
func (s *StateDB) Copy() *StateDB {
|
||||
// Copy all the basic fields, initialize the memory ones
|
||||
state := &StateDB{
|
||||
db: self.db,
|
||||
trie: self.db.CopyTrie(self.trie),
|
||||
stateObjects: make(map[common.Address]*stateObject, len(self.journal.dirties)),
|
||||
stateObjectsPending: make(map[common.Address]struct{}, len(self.stateObjectsPending)),
|
||||
stateObjectsDirty: make(map[common.Address]struct{}, len(self.journal.dirties)),
|
||||
refund: self.refund,
|
||||
logs: make(map[common.Hash][]*types.Log, len(self.logs)),
|
||||
logSize: self.logSize,
|
||||
preimages: make(map[common.Hash][]byte, len(self.preimages)),
|
||||
db: s.db,
|
||||
trie: s.db.CopyTrie(s.trie),
|
||||
stateObjects: make(map[common.Address]*stateObject, len(s.journal.dirties)),
|
||||
stateObjectsPending: make(map[common.Address]struct{}, len(s.stateObjectsPending)),
|
||||
stateObjectsDirty: make(map[common.Address]struct{}, len(s.journal.dirties)),
|
||||
refund: s.refund,
|
||||
logs: make(map[common.Hash][]*types.Log, len(s.logs)),
|
||||
logSize: s.logSize,
|
||||
preimages: make(map[common.Hash][]byte, len(s.preimages)),
|
||||
journal: newJournal(),
|
||||
}
|
||||
// Copy the dirty states, logs, and preimages
|
||||
for addr := range self.journal.dirties {
|
||||
for addr := range s.journal.dirties {
|
||||
// As documented [here](https://github.com/ethereum/go-ethereum/pull/16485#issuecomment-380438527),
|
||||
// and in the Finalise-method, there is a case where an object is in the journal but not
|
||||
// in the stateObjects: OOG after touch on ripeMD prior to Byzantium. Thus, we need to check for
|
||||
// nil
|
||||
if object, exist := self.stateObjects[addr]; exist {
|
||||
if object, exist := s.stateObjects[addr]; exist {
|
||||
// Even though the original object is dirty, we are not copying the journal,
|
||||
// so we need to make sure that anyside effect the journal would have caused
|
||||
// during a commit (or similar op) is already applied to the copy.
|
||||
@ -600,19 +600,19 @@ func (self *StateDB) Copy() *StateDB {
|
||||
// Above, we don't copy the actual journal. This means that if the copy is copied, the
|
||||
// loop above will be a no-op, since the copy's journal is empty.
|
||||
// Thus, here we iterate over stateObjects, to enable copies of copies
|
||||
for addr := range self.stateObjectsPending {
|
||||
for addr := range s.stateObjectsPending {
|
||||
if _, exist := state.stateObjects[addr]; !exist {
|
||||
state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state)
|
||||
state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
|
||||
}
|
||||
state.stateObjectsPending[addr] = struct{}{}
|
||||
}
|
||||
for addr := range self.stateObjectsDirty {
|
||||
for addr := range s.stateObjectsDirty {
|
||||
if _, exist := state.stateObjects[addr]; !exist {
|
||||
state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state)
|
||||
state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
|
||||
}
|
||||
state.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
for hash, logs := range self.logs {
|
||||
for hash, logs := range s.logs {
|
||||
cpy := make([]*types.Log, len(logs))
|
||||
for i, l := range logs {
|
||||
cpy[i] = new(types.Log)
|
||||
@ -620,42 +620,42 @@ func (self *StateDB) Copy() *StateDB {
|
||||
}
|
||||
state.logs[hash] = cpy
|
||||
}
|
||||
for hash, preimage := range self.preimages {
|
||||
for hash, preimage := range s.preimages {
|
||||
state.preimages[hash] = preimage
|
||||
}
|
||||
return state
|
||||
}
|
||||
|
||||
// Snapshot returns an identifier for the current revision of the state.
|
||||
func (self *StateDB) Snapshot() int {
|
||||
id := self.nextRevisionId
|
||||
self.nextRevisionId++
|
||||
self.validRevisions = append(self.validRevisions, revision{id, self.journal.length()})
|
||||
func (s *StateDB) Snapshot() int {
|
||||
id := s.nextRevisionId
|
||||
s.nextRevisionId++
|
||||
s.validRevisions = append(s.validRevisions, revision{id, s.journal.length()})
|
||||
return id
|
||||
}
|
||||
|
||||
// RevertToSnapshot reverts all state changes made since the given revision.
|
||||
func (self *StateDB) RevertToSnapshot(revid int) {
|
||||
func (s *StateDB) RevertToSnapshot(revid int) {
|
||||
// Find the snapshot in the stack of valid snapshots.
|
||||
idx := sort.Search(len(self.validRevisions), func(i int) bool {
|
||||
return self.validRevisions[i].id >= revid
|
||||
idx := sort.Search(len(s.validRevisions), func(i int) bool {
|
||||
return s.validRevisions[i].id >= revid
|
||||
})
|
||||
if idx == len(self.validRevisions) || self.validRevisions[idx].id != revid {
|
||||
if idx == len(s.validRevisions) || s.validRevisions[idx].id != revid {
|
||||
panic(fmt.Errorf("revision id %v cannot be reverted", revid))
|
||||
}
|
||||
snapshot := self.validRevisions[idx].journalIndex
|
||||
snapshot := s.validRevisions[idx].journalIndex
|
||||
|
||||
// Replay the journal to undo changes and remove invalidated snapshots
|
||||
self.journal.revert(self, snapshot)
|
||||
self.validRevisions = self.validRevisions[:idx]
|
||||
s.journal.revert(s, snapshot)
|
||||
s.validRevisions = s.validRevisions[:idx]
|
||||
}
|
||||
|
||||
// GetRefund returns the current value of the refund counter.
|
||||
func (self *StateDB) GetRefund() uint64 {
|
||||
return self.refund
|
||||
func (s *StateDB) GetRefund() uint64 {
|
||||
return s.refund
|
||||
}
|
||||
|
||||
// Finalise finalises the state by removing the self destructed objects and clears
|
||||
// Finalise finalises the state by removing the s destructed objects and clears
|
||||
// the journal as well as the refunds. Finalise, however, will not push any updates
|
||||
// into the tries just yet. Only IntermediateRoot or Commit will do that.
|
||||
func (s *StateDB) Finalise(deleteEmptyObjects bool) {
|
||||
@ -710,10 +710,10 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
|
||||
// Prepare sets the current transaction hash and index and block hash which is
|
||||
// used when the EVM emits new state logs.
|
||||
func (self *StateDB) Prepare(thash, bhash common.Hash, ti int) {
|
||||
self.thash = thash
|
||||
self.bhash = bhash
|
||||
self.txIndex = ti
|
||||
func (s *StateDB) Prepare(thash, bhash common.Hash, ti int) {
|
||||
s.thash = thash
|
||||
s.bhash = bhash
|
||||
s.txIndex = ti
|
||||
}
|
||||
|
||||
func (s *StateDB) clearJournalAndRefund() {
|
||||
|
||||
@ -29,8 +29,6 @@ import (
|
||||
"testing"
|
||||
"testing/quick"
|
||||
|
||||
"gopkg.in/check.v1"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/rawdb"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
@ -458,7 +456,8 @@ func (test *snapshotTest) checkEqual(state, checkstate *StateDB) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *StateSuite) TestTouchDelete(c *check.C) {
|
||||
func TestTouchDelete(t *testing.T) {
|
||||
s := newStateTest()
|
||||
s.state.GetOrNewStateObject(common.Address{})
|
||||
root, _ := s.state.Commit(false)
|
||||
s.state.Reset(root)
|
||||
@ -467,11 +466,11 @@ func (s *StateSuite) TestTouchDelete(c *check.C) {
|
||||
s.state.AddBalance(common.Address{}, new(big.Int))
|
||||
|
||||
if len(s.state.journal.dirties) != 1 {
|
||||
c.Fatal("expected one dirty state object")
|
||||
t.Fatal("expected one dirty state object")
|
||||
}
|
||||
s.state.RevertToSnapshot(snapshot)
|
||||
if len(s.state.journal.dirties) != 0 {
|
||||
c.Fatal("expected no dirty state object")
|
||||
t.Fatal("expected no dirty state object")
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
1
go.mod
1
go.mod
@ -59,7 +59,6 @@ require (
|
||||
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f
|
||||
golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7
|
||||
golang.org/x/text v0.3.2
|
||||
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127
|
||||
gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce
|
||||
gopkg.in/olebedev/go-duktape.v3 v3.0.0-20190213234257-ec84240a7772
|
||||
gopkg.in/sourcemap.v1 v1.0.5 // indirect
|
||||
|
||||
Loading…
Reference in New Issue
Block a user