erigon-pulse/trie/flatdb_sub_trie_loader_test.go
ledgerwatch 4ce69916dc
Fix rebuilding the Intermediate Hash bucket (#602)
* Changes

* First attempt to fix

* Sync works

* Fix compile

* Fix linter

* Fix test

* Fix test

* Debug

* Propagate tracing

* Trace default receiver

* More tracing

* Correct unfurl

* Remove tracing

* Try to retain trie for debugging
2020-06-02 08:46:21 +01:00

633 lines
24 KiB
Go

package trie
import (
"bytes"
"encoding/binary"
"fmt"
"testing"
"github.com/holiman/uint256"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/common/dbutils"
"github.com/ledgerwatch/turbo-geth/common/debug"
"github.com/ledgerwatch/turbo-geth/core/types/accounts"
"github.com/ledgerwatch/turbo-geth/crypto"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Put 1 embedded entry into the database and try to resolve it
func TestResolve1(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
putStorage := func(k string, v string) {
err := db.Put(dbutils.CurrentStateBucket, common.Hex2Bytes(k), common.Hex2Bytes(v))
require.NoError(err)
}
putStorage("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
r := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(common.Hex2Bytes("aaaaabbbbbaaaaabbbbbaaaaabbbbbaa"))
subTries, err := r.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{common.Hex2Bytes("aaaaabbbbb")}, []int{40}, false)
require.NoError(err)
tr := New(common.Hash{})
assert.NoError(tr.HookSubTries(subTries, [][]byte{nil})) // hook up to the root of the trie
x, ok := tr.Get(common.Hex2Bytes("aaaaabbbbbaaaaabbbbbaa"))
assert.True(ok)
assert.NotNil(x)
}
func TestResolve2(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
putStorage := func(k string, v string) {
err := db.Put(dbutils.CurrentStateBucket, common.Hex2Bytes(k), common.Hex2Bytes(v))
require.NoError(err)
}
putStorage("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("aaaaaccccccccccccccccccccccccccc", "")
r := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(common.Hex2Bytes("aaaaabbbbbaaaaabbbbbaaaaabbbbbaa"))
subTries, err := r.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{common.Hex2Bytes("aaaaaaaaaa")}, []int{40}, false)
require.NoError(err)
tr := New(common.Hash{})
assert.NoError(tr.HookSubTries(subTries, [][]byte{nil})) // hook up to the root of the trie
x, ok := tr.Get(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaa"))
assert.True(ok)
assert.NotNil(x)
}
func TestResolve2Keep(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
putStorage := func(k string, v string) {
err := db.Put(dbutils.CurrentStateBucket, common.Hex2Bytes(k), common.Hex2Bytes(v))
require.NoError(err)
}
putStorage("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("aaaaaccccccccccccccccccccccccccc", "")
r := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
subTries, err := r.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{common.Hex2Bytes("aaaaaaaaaa")}, []int{40}, false)
require.NoError(err)
tr := New(common.Hash{})
assert.NoError(tr.HookSubTries(subTries, [][]byte{nil})) // hook up to the root of the trie
x, ok := tr.Get(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaa"))
assert.True(ok)
assert.NotNil(x)
}
func TestResolve3Keep(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
putStorage := func(k string, v string) {
err := db.Put(dbutils.CurrentStateBucket, common.Hex2Bytes(k), common.Hex2Bytes(v))
require.NoError(err)
}
putStorage("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("aaaaabbbbbbbbbbbbbbbbbbbbbbbbbbb", "")
putStorage("aaaaaccccccccccccccccccccccccccc", "")
r := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
subTries, err := r.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{common.Hex2Bytes("aaaaaaaaaa")}, []int{40}, false)
require.NoError(err)
tr := New(common.Hash{})
assert.NoError(tr.HookSubTries(subTries, [][]byte{nil})) // hook up to the root of the trie
x, ok := tr.Get(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaa"))
assert.True(ok)
assert.NotNil(x)
}
func TestTrieSubTrieLoader(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, _, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
putStorage := func(k string, v string) {
err := db.Put(dbutils.CurrentStateBucket, common.Hex2Bytes(k), common.Hex2Bytes(v))
require.NoError(err)
}
putStorage("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("aaaaaccccccccccccccccccccccccccc", "")
putStorage("baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("bbaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "")
putStorage("bbaaaccccccccccccccccccccccccccc", "")
putStorage("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", "")
putStorage("bccccccccccccccccccccccccccccccc", "")
resolver := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(common.Hex2Bytes("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
rs.AddKey(common.Hex2Bytes("bbaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
rs.AddKey(common.Hex2Bytes("bbbaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
_, err := resolver.LoadSubTries(db, 0, rs, nil, /* HashCollector */
[][]byte{common.Hex2Bytes("aaaaa"), common.Hex2Bytes("bb")}, []int{40, 8}, false)
require.NoError(err, "resolve error")
}
func TestTwoStorageItems(t *testing.T) {
t.Skip("weird case of abandoned storage, will handle it later")
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
key1 := common.Hex2Bytes("d7b6990105719101dabeb77144f2a3385c8033acd3af97e9423a695e81ad1eb5f5")
key2 := common.Hex2Bytes("df6966c971051c3d54ec59162606531493a51404a002842f56009d7e5cf4a8c7f5")
val1 := common.Hex2Bytes("02")
val2 := common.Hex2Bytes("03")
require.NoError(db.Put(dbutils.CurrentStateBucket, key1, val1))
require.NoError(db.Put(dbutils.CurrentStateBucket, key2, val2))
var branch fullNode
branch.Children[0x7] = NewShortNode(keybytesToHex(key1[1:]), valueNode(val1))
branch.Children[0xf] = NewShortNode(keybytesToHex(key2[1:]), valueNode(val2))
root := NewShortNode([]byte{0xd}, &branch)
hasher := newHasher(false)
defer returnHasherToPool(hasher)
rootRlp, err := hasher.hashChildren(root, 0)
require.NoError(err, "failed ot hash children")
// Resolve the root node
rootHash := common.HexToHash("85737b049107f866fedbd6d787077fc2c245f4748e28896a3e8ee82c377ecdcf")
assert.Equal(rootHash, crypto.Keccak256Hash(rootRlp))
resolver := NewSubTrieLoader(0)
rs := NewRetainList(0)
subTries, err1 := resolver.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
require.NoError(err1, "resolve error")
assert.Equal(rootHash.String(), subTries.Hashes[0].String())
tr := New(common.Hash{})
err = tr.HookSubTries(subTries, [][]byte{nil}) // hook up to the root of the trie
assert.NoError(err)
// Resolve the branch node
//branchRlp, err := hasher.hashChildren(&branch, 0)
//if err != nil {
// t.Errorf("failed ot hash children: %v", err)
//}
resolver2 := NewSubTrieLoader(0)
rs2 := NewRetainList(0)
rs2.AddHex([]byte{0xd})
subTries, err = resolver2.LoadSubTries(db, 0, rs2, nil /* HashCollector */, [][]byte{{0xd0}}, []int{4}, false)
require.NoError(err, "resolve error")
err = tr.HookSubTries(subTries, [][]byte{{0xd}}) // hook up to the prefix 0xd
assert.NoError(err)
x, ok := tr.Get(key1)
assert.True(ok)
assert.NotNil(x)
}
func TestTwoAccounts(t *testing.T) {
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
key1 := common.Hex2Bytes("03601462093b5945d1676df093446790fd31b20e7b12a2e8e5e09d068109616b")
acc := accounts.NewAccount()
acc.Initialised = true
acc.Balance.SetUint64(10000000000)
acc.CodeHash.SetBytes(common.Hex2Bytes("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"))
err := writeAccount(db, common.BytesToHash(key1), acc)
require.NoError(err)
key2 := common.Hex2Bytes("0fbc62ba90dec43ec1d6016f9dd39dc324e967f2a3459a78281d1f4b2ba962a6")
acc2 := accounts.NewAccount()
acc2.Initialised = true
acc2.Balance.SetUint64(100)
acc2.CodeHash.SetBytes(common.Hex2Bytes("4f1593970e8f030c0a2c39758181a447774eae7c65653c4e6440e8c18dad69bc"))
err = writeAccount(db, common.BytesToHash(key2), acc2)
require.NoError(err)
expect := common.HexToHash("925002c3260b44e44c3edebad1cc442142b03020209df1ab8bb86752edbd2cd7")
resolver := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(key1)
subTries, err1 := resolver.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
require.NoError(err1, "resolve error")
assert.Equal(expect.String(), subTries.Hashes[0].String())
tr := New(common.Hash{})
err = tr.HookSubTries(subTries, [][]byte{nil}) // hook up to the root
assert.NoError(err)
x, ok := tr.GetAccount(key1)
assert.True(ok)
assert.NotNil(x)
}
func TestReturnErrOnWrongRootHash(t *testing.T) {
require, db := require.New(t), ethdb.NewMemDatabase()
putAccount := func(k string) {
a := accounts.Account{}
err := writeAccount(db, common.BytesToHash(common.Hex2Bytes(k)), a)
require.NoError(err)
}
putAccount("0000000000000000000000000000000000000000000000000000000000000000")
rs := NewRetainList(0)
resolver := NewSubTrieLoader(0)
_, err := resolver.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
require.NotNil(t, err)
}
func TestApiDetails(t *testing.T) {
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
storageKey := func(incarnation uint64, k string) []byte {
return dbutils.GenerateCompositeStorageKey(common.HexToHash(k), incarnation, common.HexToHash("0000000000000000000000000000000000000000000000000000000000000000"))
}
putIH := func(k string, v string) {
require.NoError(db.Put(dbutils.IntermediateTrieHashBucket, common.Hex2Bytes(k), common.Hex2Bytes(v)))
}
putIDataLen := func(k string, v uint64) {
lenBytes := make([]byte, 8)
binary.BigEndian.PutUint64(lenBytes, v)
require.NoError(db.Put(dbutils.IntermediateWitnessSizeBucket, common.Hex2Bytes(k), lenBytes))
}
// Test attempt handle cases when: Trie root hash is same for Cached and non-Cached SubTrieLoaders
// Test works with keys like: {base}{i}{j}{zeroes}
// base = 0 or f - it covers edge cases - first/last subtrees
//
// i=0 - has data, has IntermediateHash, no resolve. Tree must have Hash.
// i=1 - has values with incarnation=1. Tree must have Nil.
// i=2 - has accounts and storage, no IntermediateHash. Tree must have Account nodes.
// i>2 - no data, no IntermediateHash, no resolve.
// i=f - has data, has IntermediateHash, no resolve. Edge case - last subtree.
for _, base := range []string{"0", "f"} {
for _, i := range []int{0, 1, 2, 15} {
for _, j := range []int{0, 1, 2, 15} {
k := fmt.Sprintf(base+"%x%x%061x", i, j, 0)
incarnation := uint64(2)
if j == 1 {
incarnation = 1
}
storageV := []byte{uint8(incarnation)}
a := accounts.Account{
// Using Nonce field as an ID of account.
// Will check later if value which we .Get() from Trie has expected ID.
Nonce: uint64(i*10 + j),
Initialised: true,
CodeHash: EmptyCodeHash,
Balance: *uint256.NewInt(),
Incarnation: 2, // all acc have 2nd inc, but some storage are on 1st inc
}
require.NoError(writeAccount(db, common.BytesToHash(common.Hex2Bytes(k)), a))
require.NoError(db.Put(dbutils.CurrentStateBucket, storageKey(incarnation, k), storageV))
}
}
}
/*
Next IH's calculated by next logic:
var root common.Hash
_, err = tr.getHasher().hash(tr.root.(*fullNode).Children[0].(*fullNode).Children[0], true, root[:])
require.NoError(err)
fmt.Printf("%x\n", root)
*/
putIH("00", "7e099756ba801779e6ac78da0c8f0272a2033e92314f02fbf7ec5158ab57017b")
putIH("ff", "73e9eaef7cbb0b824f964669ee2ebff9ed7a4cd2c672b521e44f9b33cab8aa55")
putIDataLen("00", 254)
putIDataLen("ff", 256)
// this IntermediateHash key must not be used, because such key is in ResolveRequest
// putIH("01", "0000000000000000000000000000000000000000000000000000000000000000")
tr := New(common.Hash{})
{
expectRootHash := common.HexToHash("8c34d9b522547741fefe2363762026cf821e6b6a9358a56c9af26182403d20d9")
loader := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddHex(hexf("000101%0122x", 0))
rs.AddHex(common.Hex2Bytes("000202"))
rs.AddHex(common.Hex2Bytes("0f"))
subTries, err := loader.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
assert.NoError(err)
err = tr.HookSubTries(subTries, [][]byte{nil}) // hook up to the root
assert.NoError(err)
assert.Equal(expectRootHash.String(), tr.Hash().String())
//fmt.Printf("%x\n", tr.root.(*fullNode).Children[0].(*fullNode).Children[0].reference())
//fmt.Printf("%x\n", tr.root.(*fullNode).Children[15].(*fullNode).Children[15].reference())
//fmt.Printf("%d\n", tr.root.(*fullNode).Children[0].(*fullNode).Children[0].witnessSize())
//fmt.Printf("%d\n", tr.root.(*fullNode).Children[15].(*fullNode).Children[15].witnessSize())
_, found := tr.GetAccount(hexf("000%061x", 0))
assert.False(found) // exists in DB but resolved, there is hashNode
acc, found := tr.GetAccount(hexf("011%061x", 0))
assert.True(found)
require.NotNil(acc) // cache bucket has empty value, but self-destructed Account still available
assert.Equal(int(acc.Nonce), 11) // i * 10 + j
acc, found = tr.GetAccount(hexf("021%061x", 0))
assert.True(found)
require.NotNil(acc) // exists in db and resolved
assert.Equal(int(acc.Nonce), 21) // i * 10 + j
acc, found = tr.GetAccount(hexf("051%061x", 0))
assert.True(found)
assert.Nil(acc) // not exists in DB
//assert.Panics(func() {
// tr.UpdateAccount(hexf("001%061x", 0), &accounts.Account{})
//})
//assert.NotPanics(func() {
// tr.UpdateAccount(hexf("011%061x", 0), &accounts.Account{})
// tr.UpdateAccount(hexf("021%061x", 0), &accounts.Account{})
// tr.UpdateAccount(hexf("051%061x", 0), &accounts.Account{})
//})
}
{ // storage loader
loader := NewSubTrieLoader(0)
rl := NewRetainList(0)
binary.BigEndian.PutUint64(bytes8[:], ^uint64(2))
for i, b := range bytes8[:] {
bytes16[i*2] = b / 16
bytes16[i*2+1] = b % 16
}
rl.AddHex(append(append(hexf("000101%0122x", 0), bytes16[:]...), hexf("%0128x", 0)...))
rl.AddHex(append(append(hexf("000201%0122x", 0), bytes16[:]...), hexf("%0128x", 0)...))
rl.AddHex(append(append(hexf("000202%0122x", 0), bytes16[:]...), hexf("%0128x", 0)...))
rl.AddHex(append(append(hexf("0f0f0f%0122x", 0), bytes16[:]...), hexf("%0128x", 0)...))
dbPrefixes, fixedbits, hooks := tr.FindSubTriesToLoad(rl)
rl.Rewind()
subTries, err := loader.LoadSubTries(db, 0, rl, nil /* HashCollector */, dbPrefixes, fixedbits, false)
require.NoError(err)
err = tr.HookSubTries(subTries, hooks) // hook up to the root
assert.NoError(err)
_, found := tr.Get(hexf("000%061x", 0))
assert.False(found) // exists in DB but not resolved, there is hashNode
storage, found := tr.Get(hexf("011%061x", 0))
assert.True(found)
require.Nil(storage) // deleted by empty value in cache bucket
storage, found = tr.Get(hexf("021%0125x", 0))
assert.True(found)
require.Nil(storage) // this storage has inc=1
storage, found = tr.Get(hexf("022%0125x", 0))
assert.True(found)
require.Equal(storage, []byte{2})
storage, found = tr.Get(hexf("051%0125x", 0))
assert.True(found)
assert.Nil(storage) // not exists in DB
//assert.Panics(func() {
// tr.Update(hexf("001%0125x", 0), nil)
//})
//assert.NotPanics(func() {
// tr.Update(hexf("011%0125x", 0), nil)
// tr.Update(hexf("021%0125x", 0), nil)
// tr.Update(hexf("051%0125x", 0), nil)
//})
}
if debug.IsTrackWitnessSizeEnabled() {
loader := NewSubTrieLoader(0)
rs := NewRetainList(0)
for _, base := range []string{"0", "f"} {
for _, i := range []int{0, 1, 2, 15} {
for _, j := range []int{0, 1, 2, 15} {
contract := hexf("0"+base+"0%x0%x%0122x", i, j, 0)
rs.AddHex(append(contract, hexf("%0128x", 0)...))
}
}
}
dbPrefixes, fixedbits, hooks := tr.FindSubTriesToLoad(rs)
subTries, err := loader.LoadSubTries(db, 0, rs, nil /* HashCollector */, dbPrefixes, fixedbits, false)
require.NoError(err)
err = tr.HookSubTries(subTries, hooks) // hook up to the root
assert.NoError(err)
assert.Equal(uint64(2050), tr.root.witnessSize())
assert.Equal(uint64(1024), tr.root.(*fullNode).Children[0].witnessSize())
assert.Equal(uint64(254), tr.root.(*fullNode).Children[0].(*fullNode).Children[0].witnessSize())
assert.Equal(uint64(256), tr.root.(*fullNode).Children[15].(*fullNode).Children[15].witnessSize())
witness, err := tr.ExtractWitness(false, rs)
if err != nil {
panic(err)
}
var buf bytes.Buffer
_, err = witness.WriteTo(&buf)
if err != nil {
panic(err)
}
fmt.Printf("WitnessSize. Real: %d, Estimate: %d\n", buf.Len(), tr.root.witnessSize())
}
}
func hexf(format string, a ...interface{}) []byte {
return common.FromHex(fmt.Sprintf(format, a...))
}
func TestStorageSubTrieLoader2(t *testing.T) {
require, assert, db := require.New(t), assert.New(t), ethdb.NewMemDatabase()
kAcc1 := common.FromHex("0000cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83")
a1 := accounts.Account{
Nonce: uint64(1),
Initialised: true,
CodeHash: EmptyCodeHash,
Balance: *uint256.NewInt(),
Incarnation: 1,
Root: EmptyRoot,
}
if err := writeAccount(db, common.BytesToHash(kAcc1), a1); err != nil {
panic(err)
}
kAcc2 := common.FromHex("0001cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83")
k2 := "290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563"
ks2 := dbutils.GenerateCompositeStorageKey(common.BytesToHash(kAcc2), 1, common.HexToHash(k2))
require.NoError(db.Put(dbutils.CurrentStateBucket, ks2, common.FromHex("7a381122bada791a7ab1f6037dac80432753baad")))
expectedAccStorageRoot := "28d28aa6f1d0179248560a25a1a4ad69be1cdeab9e2b24bc9f9c70608e3a7ec0"
expectedAccRoot2 := expectedAccStorageRoot
a2 := accounts.Account{
Nonce: uint64(1),
Initialised: true,
CodeHash: EmptyCodeHash,
Balance: *uint256.NewInt(),
Incarnation: 1,
Root: common.HexToHash(expectedAccRoot2),
}
if err := writeAccount(db, common.BytesToHash(kAcc2), a2); err != nil {
panic(err)
}
kAcc3 := common.FromHex("0002cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83")
k3 := k2
ks3 := dbutils.GenerateCompositeStorageKey(common.BytesToHash(kAcc3), 2, common.HexToHash(k3))
ks3OldIncarnation := dbutils.GenerateCompositeStorageKey(common.BytesToHash(kAcc3), 1, common.HexToHash(k3))
require.NoError(db.Put(dbutils.CurrentStateBucket, ks3, common.FromHex("7a381122bada791a7ab1f6037dac80432753baad")))
require.NoError(db.Put(dbutils.CurrentStateBucket, ks3OldIncarnation, common.FromHex("9999999999999999")))
expectedAccRoot3 := expectedAccStorageRoot
a3 := accounts.Account{
Nonce: uint64(1),
Initialised: true,
CodeHash: EmptyCodeHash,
Balance: *uint256.NewInt(),
Incarnation: 2,
Root: common.HexToHash(expectedAccRoot3),
}
if err := writeAccount(db, common.BytesToHash(kAcc3), a3); err != nil {
panic(err)
}
//expectedRoot := "3a9dc9c90290be8d88abea1c01d408e2a4173b4e295863942f0980e49bfbf375"
// abandoned storage - account was deleted, but storage still exists
kAcc4 := common.FromHex("0004cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83") // don't write it to db
ks4 := dbutils.GenerateCompositeStorageKey(common.BytesToHash(kAcc4), 1, common.HexToHash(k2))
require.NoError(db.Put(dbutils.CurrentStateBucket, ks4, common.FromHex("7a381122bada791a7ab1f6037dac80432753baad")))
{
resolver := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddHex(common.FromHex("00000001"))
_, err := resolver.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
assert.NoError(err)
}
{
resolver := NewSubTrieLoader(0)
rs := NewRetainList(0)
rs.AddKey(dbutils.GenerateStoragePrefix(kAcc2, a2.Incarnation))
_, err := resolver.LoadSubTries(db, 0, rs, nil /* HashCollector */, [][]byte{nil}, []int{0}, false)
assert.NoError(err)
}
}
func TestCreateLoadingPrefixes(t *testing.T) {
assert := assert.New(t)
tr := New(common.Hash{})
kAcc1 := common.FromHex("0001cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83")
kInc := make([]byte, 8)
binary.BigEndian.PutUint64(kInc, ^uint64(1))
ks1 := common.FromHex("0000000000000000000000000000000000000000000000000000000000000001")
acc1 := accounts.NewAccount()
acc1.Balance.SetUint64(12345)
acc1.Incarnation = 1
acc1.Initialised = true
tr.UpdateAccount(kAcc1, &acc1)
tr.Update(concat(kAcc1, ks1...), []byte{1, 2, 3})
kAcc2 := common.FromHex("0002cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83")
ks2 := common.FromHex("0000000000000000000000000000000000000000000000000000000000000001")
ks22 := common.FromHex("0000000000000000000000000000000000000000000000000000000000000002")
acc2 := accounts.NewAccount()
acc2.Balance.SetUint64(6789)
acc2.Incarnation = 1
acc2.Initialised = true
tr.UpdateAccount(kAcc2, &acc2)
tr.Update(concat(kAcc2, ks2...), []byte{4, 5, 6})
tr.Update(concat(kAcc2, ks22...), []byte{7, 8, 9})
tr.Hash()
// Evict accounts only
tr.EvictNode(keybytesToHex(kAcc1))
tr.EvictNode(keybytesToHex(kAcc2))
rs := NewRetainList(0)
rs.AddKey(concat(concat(kAcc1, kInc...), ks1...))
rs.AddKey(concat(concat(kAcc2, kInc...), ks2...))
rs.AddKey(concat(concat(kAcc2, kInc...), ks22...))
dbPrefixes, fixedbits, hooks := tr.FindSubTriesToLoad(rs)
assert.Equal("[0001cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83fffffffffffffffe 0002cf1ce0664746d39af9f6db99dc3370282f1d9d48df7f804b7e6499558c83fffffffffffffffe]", fmt.Sprintf("%x", dbPrefixes))
assert.Equal("[320 320]", fmt.Sprintf("%d", fixedbits))
assert.Equal("[000000010c0f010c0e000606040704060d03090a0f090f060d0b09090d0c030307000208020f010d090d04080d0f070f0800040b070e060409090505080c0803 000000020c0f010c0e000606040704060d03090a0f090f060d0b09090d0c030307000208020f010d090d04080d0f070f0800040b070e060409090505080c0803]", fmt.Sprintf("%x", hooks))
// Evict everytning
tr.EvictNode([]byte{})
// if resolve only accounts
rs = NewRetainList(0)
rs.AddKey(kAcc1)
rs.AddKey(kAcc2)
dbPrefixes, fixedbits, hooks = tr.FindSubTriesToLoad(rs)
assert.Equal("[]", fmt.Sprintf("%x", dbPrefixes))
assert.Equal("[0]", fmt.Sprintf("%d", fixedbits))
assert.Equal("[]", fmt.Sprintf("%x", hooks))
}
func TestIsBefore(t *testing.T) {
assert := assert.New(t)
is, minKey := keyIsBefore([]byte("a"), []byte("b"))
assert.Equal(true, is)
assert.Equal("a", fmt.Sprintf("%s", minKey))
is, minKey = keyIsBefore([]byte("b"), []byte("a"))
assert.Equal(false, is)
assert.Equal("a", fmt.Sprintf("%s", minKey))
is, minKey = keyIsBefore([]byte("b"), []byte(""))
assert.Equal(false, is)
assert.Equal("", fmt.Sprintf("%s", minKey))
is, minKey = keyIsBefore(nil, []byte("b"))
assert.Equal(false, is)
assert.Equal("b", fmt.Sprintf("%s", minKey))
is, minKey = keyIsBefore([]byte("b"), nil)
assert.Equal(true, is)
assert.Equal("b", fmt.Sprintf("%s", minKey))
contract := fmt.Sprintf("2%063x", 0)
storageKey := common.Hex2Bytes(contract + "ffffffff" + fmt.Sprintf("10%062x", 0))
cacheKey := common.Hex2Bytes(contract + "ffffffff" + "20")
is, minKey = keyIsBefore(cacheKey, storageKey)
assert.False(is)
assert.Equal(fmt.Sprintf("%x", storageKey), fmt.Sprintf("%x", minKey))
storageKey = common.Hex2Bytes(contract + "ffffffffffffffff" + fmt.Sprintf("20%062x", 0))
cacheKey = common.Hex2Bytes(contract + "ffffffffffffffff" + "10")
is, minKey = keyIsBefore(cacheKey, storageKey)
assert.True(is)
assert.Equal(fmt.Sprintf("%x", cacheKey), fmt.Sprintf("%x", minKey))
}
func writeAccount(db ethdb.Putter, addrHash common.Hash, acc accounts.Account) error {
value := make([]byte, acc.EncodingLengthForStorage())
acc.EncodeForStorage(value)
if err := db.Put(dbutils.CurrentStateBucket, addrHash[:], value); err != nil {
return err
}
return nil
}