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core/rawdb: fix transaction indexing/unindexing hashing error (#22457) 

* core/rawdb: more verbose error logs + better hashing

* core/rawdb: add failing testcase

* core/rawdb: properly hash transactions while indexing/unindexing

* core/rawdb: exit on error + better log msg
This commit is contained in:
Martin Holst Swende 2021-03-16 11:15:14 +01:00 committed by GitHub
parent 7cbf1d70a7
commit 94ab4ea341
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 65 additions and 38 deletions
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29
core/rawdb/chain_iterator.go
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@ -23,10 +23,10 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/prque"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/sha3"
)
// InitDatabaseFromFreezer reinitializes an empty database from a previous batch
@ -135,32 +135,15 @@ func iterateTransactions(db ethdb.Database, from uint64, to uint64, reverse bool
close(hashesCh)
}
}()
var hasher = sha3.NewLegacyKeccak256()
for data := range rlpCh {
it, err := rlp.NewListIterator(data.rlp)
if err != nil {
log.Warn("tx iteration error", "error", err)
return
}
it.Next()
txs := it.Value()
txIt, err := rlp.NewListIterator(txs)
if err != nil {
log.Warn("tx iteration error", "error", err)
var body types.Body
if err := rlp.DecodeBytes(data.rlp, &body); err != nil {
log.Warn("Failed to decode block body", "block", data.number, "error", err)
return
}
var hashes []common.Hash
for txIt.Next() {
if err := txIt.Err(); err != nil {
log.Warn("tx iteration error", "error", err)
return
}
var txHash common.Hash
hasher.Reset()
hasher.Write(txIt.Value())
hasher.Sum(txHash[:0])
hashes = append(hashes, txHash)
for _, tx := range body.Transactions {
hashes = append(hashes, tx.Hash())
}
result := &blockTxHashes{
hashes: hashes,

73
core/rawdb/chain_iterator_test.go
View File

@ -33,14 +33,34 @@ func TestChainIterator(t *testing.T) {
var block *types.Block
var txs []*types.Transaction
for i := uint64(0); i <= 10; i++ {
if i == 0 {
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, nil, nil, nil, newHasher()) // Empty genesis block
to := common.BytesToAddress([]byte{0x11})
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(0))}, nil, nil, nil, newHasher()) // Empty genesis block
WriteBlock(chainDb, block)
WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
for i := uint64(1); i <= 10; i++ {
var tx *types.Transaction
if i%2 == 0 {
tx = types.NewTx(&types.LegacyTx{
Nonce: i,
GasPrice: big.NewInt(11111),
Gas: 1111,
To: &to,
Value: big.NewInt(111),
Data: []byte{0x11, 0x11, 0x11},
})
} else {
tx := types.NewTransaction(i, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
txs = append(txs, tx)
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
tx = types.NewTx(&types.AccessListTx{
ChainID: big.NewInt(1337),
Nonce: i,
GasPrice: big.NewInt(11111),
Gas: 1111,
To: &to,
Value: big.NewInt(111),
Data: []byte{0x11, 0x11, 0x11},
})
}
txs = append(txs, tx)
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
WriteBlock(chainDb, block)
WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
}
@ -66,7 +86,7 @@ func TestChainIterator(t *testing.T) {
numbers = append(numbers, int(h.number))
if len(h.hashes) > 0 {
if got, exp := h.hashes[0], txs[h.number-1].Hash(); got != exp {
t.Fatalf("hash wrong, got %x exp %x", got, exp)
t.Fatalf("block %d: hash wrong, got %x exp %x", h.number, got, exp)
}
}
}
@ -88,14 +108,37 @@ func TestIndexTransactions(t *testing.T) {
var block *types.Block
var txs []*types.Transaction
for i := uint64(0); i <= 10; i++ {
if i == 0 {
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, nil, nil, nil, newHasher()) // Empty genesis block
to := common.BytesToAddress([]byte{0x11})
// Write empty genesis block
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(0))}, nil, nil, nil, newHasher())
WriteBlock(chainDb, block)
WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
for i := uint64(1); i <= 10; i++ {
var tx *types.Transaction
if i%2 == 0 {
tx = types.NewTx(&types.LegacyTx{
Nonce: i,
GasPrice: big.NewInt(11111),
Gas: 1111,
To: &to,
Value: big.NewInt(111),
Data: []byte{0x11, 0x11, 0x11},
})
} else {
tx := types.NewTransaction(i, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
txs = append(txs, tx)
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
tx = types.NewTx(&types.AccessListTx{
ChainID: big.NewInt(1337),
Nonce: i,
GasPrice: big.NewInt(11111),
Gas: 1111,
To: &to,
Value: big.NewInt(111),
Data: []byte{0x11, 0x11, 0x11},
})
}
txs = append(txs, tx)
block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
WriteBlock(chainDb, block)
WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
}
@ -108,10 +151,10 @@ func TestIndexTransactions(t *testing.T) {
}
number := ReadTxLookupEntry(chainDb, txs[i-1].Hash())
if exist && number == nil {
t.Fatalf("Transaction indice missing")
t.Fatalf("Transaction index %d missing", i)
}
if !exist && number != nil {
t.Fatalf("Transaction indice is not deleted")
t.Fatalf("Transaction index %d is not deleted", i)
}
}
number := ReadTxIndexTail(chainDb)

1
rlp/iterator.go
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@ -23,6 +23,7 @@ type listIterator struct {
}
// NewListIterator creates an iterator for the (list) represented by data
// TODO: Consider removing this implementation, as it is no longer used.
func NewListIterator(data RawValue) (*listIterator, error) {
k, t, c, err := readKind(data)
if err != nil {