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authorPéter Szilágyi <peterke@gmail.com>2017-07-15 00:39:53 +0800
committerGitHub <noreply@github.com>2017-07-15 00:39:53 +0800
commit0ff35e170d1b913082313089d13e3e6d5490839b (patch)
tree42b8eafa61c6e5894768c41a97d51e4e5427b50f /core
parent8d6a5a3581ce6221786eb464bfef7e8c31e7ad95 (diff)
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core: remove redundant storage of transactions and receipts (#14801)
* core: remove redundant storage of transactions and receipts * core, eth, internal: new transaction schema usage polishes * eth: implement upgrade mechanism for db deduplication * core, eth: drop old sequential key db upgrader * eth: close last iterator on successful db upgrage * core: prefix the lookup entries to make their purpose clearer
Diffstat (limited to 'core')
-rw-r--r--core/blockchain.go33
-rw-r--r--core/blockchain_test.go8
-rw-r--r--core/database_util.go194
-rw-r--r--core/database_util_test.go74
4 files changed, 98 insertions, 211 deletions
diff --git a/core/blockchain.go b/core/blockchain.go
index 6772ea284..bb1c14f43 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -759,16 +759,10 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
log.Crit("Failed to write log blooms", "err", err)
return
}
- if err := WriteTransactions(bc.chainDb, block); err != nil {
- errs[index] = fmt.Errorf("failed to write individual transactions: %v", err)
+ if err := WriteTxLookupEntries(bc.chainDb, block); err != nil {
+ errs[index] = fmt.Errorf("failed to write lookup metadata: %v", err)
atomic.AddInt32(&failed, 1)
- log.Crit("Failed to write individual transactions", "err", err)
- return
- }
- if err := WriteReceipts(bc.chainDb, receipts); err != nil {
- errs[index] = fmt.Errorf("failed to write individual receipts: %v", err)
- atomic.AddInt32(&failed, 1)
- log.Crit("Failed to write individual receipts", "err", err)
+ log.Crit("Failed to write lookup metadata", "err", err)
return
}
atomic.AddInt32(&stats.processed, 1)
@@ -1002,12 +996,8 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
blockInsertTimer.UpdateSince(bstart)
events = append(events, ChainEvent{block, block.Hash(), logs})
- // This puts transactions in a extra db for rpc
- if err := WriteTransactions(bc.chainDb, block); err != nil {
- return i, err
- }
- // store the receipts
- if err := WriteReceipts(bc.chainDb, receipts); err != nil {
+ // Write the positional metadata for transaction and receipt lookups
+ if err := WriteTxLookupEntries(bc.chainDb, block); err != nil {
return i, err
}
// Write map map bloom filters
@@ -1167,16 +1157,12 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
for _, block := range newChain {
// insert the block in the canonical way, re-writing history
bc.insert(block)
- // write canonical receipts and transactions
- if err := WriteTransactions(bc.chainDb, block); err != nil {
- return err
- }
- receipts := GetBlockReceipts(bc.chainDb, block.Hash(), block.NumberU64())
- // write receipts
- if err := WriteReceipts(bc.chainDb, receipts); err != nil {
+ // write lookup entries for hash based transaction/receipt searches
+ if err := WriteTxLookupEntries(bc.chainDb, block); err != nil {
return err
}
// Write map map bloom filters
+ receipts := GetBlockReceipts(bc.chainDb, block.Hash(), block.NumberU64())
if err := WriteMipmapBloom(bc.chainDb, block.NumberU64(), receipts); err != nil {
return err
}
@@ -1188,8 +1174,7 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
// When transactions get deleted from the database that means the
// receipts that were created in the fork must also be deleted
for _, tx := range diff {
- DeleteReceipt(bc.chainDb, tx.Hash())
- DeleteTransaction(bc.chainDb, tx.Hash())
+ DeleteTxLookupEntry(bc.chainDb, tx.Hash())
}
// Must be posted in a goroutine because of the transaction pool trying
// to acquire the chain manager lock
diff --git a/core/blockchain_test.go b/core/blockchain_test.go
index 371522ab7..5fa671e2b 100644
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@@ -806,8 +806,8 @@ func TestChainTxReorgs(t *testing.T) {
if txn, _, _, _ := GetTransaction(db, tx.Hash()); txn != nil {
t.Errorf("drop %d: tx %v found while shouldn't have been", i, txn)
}
- if GetReceipt(db, tx.Hash()) != nil {
- t.Errorf("drop %d: receipt found while shouldn't have been", i)
+ if rcpt, _, _, _ := GetReceipt(db, tx.Hash()); rcpt != nil {
+ t.Errorf("drop %d: receipt %v found while shouldn't have been", i, rcpt)
}
}
// added tx
@@ -815,7 +815,7 @@ func TestChainTxReorgs(t *testing.T) {
if txn, _, _, _ := GetTransaction(db, tx.Hash()); txn == nil {
t.Errorf("add %d: expected tx to be found", i)
}
- if GetReceipt(db, tx.Hash()) == nil {
+ if rcpt, _, _, _ := GetReceipt(db, tx.Hash()); rcpt == nil {
t.Errorf("add %d: expected receipt to be found", i)
}
}
@@ -824,7 +824,7 @@ func TestChainTxReorgs(t *testing.T) {
if txn, _, _, _ := GetTransaction(db, tx.Hash()); txn == nil {
t.Errorf("share %d: expected tx to be found", i)
}
- if GetReceipt(db, tx.Hash()) == nil {
+ if rcpt, _, _, _ := GetReceipt(db, tx.Hash()); rcpt == nil {
t.Errorf("share %d: expected receipt to be found", i)
}
}
diff --git a/core/database_util.go b/core/database_util.go
index b4a230c9c..697111394 100644
--- a/core/database_util.go
+++ b/core/database_util.go
@@ -45,24 +45,17 @@ var (
blockHashPrefix = []byte("H") // blockHashPrefix + hash -> num (uint64 big endian)
bodyPrefix = []byte("b") // bodyPrefix + num (uint64 big endian) + hash -> block body
blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts
+ lookupPrefix = []byte("l") // lookupPrefix + hash -> transaction/receipt lookup metadata
preimagePrefix = "secure-key-" // preimagePrefix + hash -> preimage
- txMetaSuffix = []byte{0x01}
- receiptsPrefix = []byte("receipts-")
-
mipmapPre = []byte("mipmap-log-bloom-")
MIPMapLevels = []uint64{1000000, 500000, 100000, 50000, 1000}
configPrefix = []byte("ethereum-config-") // config prefix for the db
- // used by old (non-sequential keys) db, now only used for conversion
- oldBlockPrefix = []byte("block-")
- oldHeaderSuffix = []byte("-header")
- oldTdSuffix = []byte("-td") // headerPrefix + num (uint64 big endian) + hash + tdSuffix -> td
- oldBodySuffix = []byte("-body")
- oldBlockNumPrefix = []byte("block-num-")
- oldBlockReceiptsPrefix = []byte("receipts-block-")
- oldBlockHashPrefix = []byte("block-hash-") // [deprecated by the header/block split, remove eventually]
+ // used by old db, now only used for conversion
+ oldReceiptsPrefix = []byte("receipts-")
+ oldTxMetaSuffix = []byte{0x01}
ErrChainConfigNotFound = errors.New("ChainConfig not found") // general config not found error
@@ -72,6 +65,14 @@ var (
preimageHitCounter = metrics.NewCounter("db/preimage/hits")
)
+// txLookupEntry is a positional metadata to help looking up the data content of
+// a transaction or receipt given only its hash.
+type txLookupEntry struct {
+ BlockHash common.Hash
+ BlockIndex uint64
+ Index uint64
+}
+
// encodeBlockNumber encodes a block number as big endian uint64
func encodeBlockNumber(number uint64) []byte {
enc := make([]byte, 8)
@@ -83,10 +84,7 @@ func encodeBlockNumber(number uint64) []byte {
func GetCanonicalHash(db ethdb.Database, number uint64) common.Hash {
data, _ := db.Get(append(append(headerPrefix, encodeBlockNumber(number)...), numSuffix...))
if len(data) == 0 {
- data, _ = db.Get(append(oldBlockNumPrefix, big.NewInt(int64(number)).Bytes()...))
- if len(data) == 0 {
- return common.Hash{}
- }
+ return common.Hash{}
}
return common.BytesToHash(data)
}
@@ -100,15 +98,7 @@ const missingNumber = uint64(0xffffffffffffffff)
func GetBlockNumber(db ethdb.Database, hash common.Hash) uint64 {
data, _ := db.Get(append(blockHashPrefix, hash.Bytes()...))
if len(data) != 8 {
- data, _ := db.Get(append(append(oldBlockPrefix, hash.Bytes()...), oldHeaderSuffix...))
- if len(data) == 0 {
- return missingNumber
- }
- header := new(types.Header)
- if err := rlp.Decode(bytes.NewReader(data), header); err != nil {
- log.Crit("Failed to decode block header", "err", err)
- }
- return header.Number.Uint64()
+ return missingNumber
}
return binary.BigEndian.Uint64(data)
}
@@ -151,9 +141,6 @@ func GetHeadFastBlockHash(db ethdb.Database) common.Hash {
// if the header's not found.
func GetHeaderRLP(db ethdb.Database, hash common.Hash, number uint64) rlp.RawValue {
data, _ := db.Get(append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...))
- if len(data) == 0 {
- data, _ = db.Get(append(append(oldBlockPrefix, hash.Bytes()...), oldHeaderSuffix...))
- }
return data
}
@@ -175,9 +162,6 @@ func GetHeader(db ethdb.Database, hash common.Hash, number uint64) *types.Header
// GetBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.
func GetBodyRLP(db ethdb.Database, hash common.Hash, number uint64) rlp.RawValue {
data, _ := db.Get(append(append(bodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...))
- if len(data) == 0 {
- data, _ = db.Get(append(append(oldBlockPrefix, hash.Bytes()...), oldBodySuffix...))
- }
return data
}
@@ -201,10 +185,7 @@ func GetBody(db ethdb.Database, hash common.Hash, number uint64) *types.Body {
func GetTd(db ethdb.Database, hash common.Hash, number uint64) *big.Int {
data, _ := db.Get(append(append(append(headerPrefix, encodeBlockNumber(number)...), hash[:]...), tdSuffix...))
if len(data) == 0 {
- data, _ = db.Get(append(append(oldBlockPrefix, hash.Bytes()...), oldTdSuffix...))
- if len(data) == 0 {
- return nil
- }
+ return nil
}
td := new(big.Int)
if err := rlp.Decode(bytes.NewReader(data), td); err != nil {
@@ -239,10 +220,7 @@ func GetBlock(db ethdb.Database, hash common.Hash, number uint64) *types.Block {
func GetBlockReceipts(db ethdb.Database, hash common.Hash, number uint64) types.Receipts {
data, _ := db.Get(append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash[:]...))
if len(data) == 0 {
- data, _ = db.Get(append(oldBlockReceiptsPrefix, hash.Bytes()...))
- if len(data) == 0 {
- return nil
- }
+ return nil
}
storageReceipts := []*types.ReceiptForStorage{}
if err := rlp.DecodeBytes(data, &storageReceipts); err != nil {
@@ -256,10 +234,38 @@ func GetBlockReceipts(db ethdb.Database, hash common.Hash, number uint64) types.
return receipts
}
+// GetTxLookupEntry retrieves the positional metadata associated with a transaction
+// hash to allow retrieving the transaction or receipt by hash.
+func GetTxLookupEntry(db ethdb.Database, hash common.Hash) (common.Hash, uint64, uint64) {
+ // Load the positional metadata from disk and bail if it fails
+ data, _ := db.Get(append(lookupPrefix, hash.Bytes()...))
+ if len(data) == 0 {
+ return common.Hash{}, 0, 0
+ }
+ // Parse and return the contents of the lookup entry
+ var entry txLookupEntry
+ if err := rlp.DecodeBytes(data, &entry); err != nil {
+ log.Error("Invalid lookup entry RLP", "hash", hash, "err", err)
+ return common.Hash{}, 0, 0
+ }
+ return entry.BlockHash, entry.BlockIndex, entry.Index
+}
+
// GetTransaction retrieves a specific transaction from the database, along with
// its added positional metadata.
func GetTransaction(db ethdb.Database, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
- // Retrieve the transaction itself from the database
+ // Retrieve the lookup metadata and resolve the transaction from the body
+ blockHash, blockNumber, txIndex := GetTxLookupEntry(db, hash)
+
+ if blockHash != (common.Hash{}) {
+ body := GetBody(db, blockHash, blockNumber)
+ if body == nil || len(body.Transactions) <= int(txIndex) {
+ log.Error("Transaction referenced missing", "number", blockNumber, "hash", blockHash, "index", txIndex)
+ return nil, common.Hash{}, 0, 0
+ }
+ return body.Transactions[txIndex], blockHash, blockNumber, txIndex
+ }
+ // Old transaction representation, load the transaction and it's metadata separately
data, _ := db.Get(hash.Bytes())
if len(data) == 0 {
return nil, common.Hash{}, 0, 0
@@ -269,33 +275,42 @@ func GetTransaction(db ethdb.Database, hash common.Hash) (*types.Transaction, co
return nil, common.Hash{}, 0, 0
}
// Retrieve the blockchain positional metadata
- data, _ = db.Get(append(hash.Bytes(), txMetaSuffix...))
+ data, _ = db.Get(append(hash.Bytes(), oldTxMetaSuffix...))
if len(data) == 0 {
return nil, common.Hash{}, 0, 0
}
- var meta struct {
- BlockHash common.Hash
- BlockIndex uint64
- Index uint64
- }
- if err := rlp.DecodeBytes(data, &meta); err != nil {
+ var entry txLookupEntry
+ if err := rlp.DecodeBytes(data, &entry); err != nil {
return nil, common.Hash{}, 0, 0
}
- return &tx, meta.BlockHash, meta.BlockIndex, meta.Index
+ return &tx, entry.BlockHash, entry.BlockIndex, entry.Index
}
-// GetReceipt returns a receipt by hash
-func GetReceipt(db ethdb.Database, hash common.Hash) *types.Receipt {
- data, _ := db.Get(append(receiptsPrefix, hash[:]...))
+// GetReceipt retrieves a specific transaction receipt from the database, along with
+// its added positional metadata.
+func GetReceipt(db ethdb.Database, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
+ // Retrieve the lookup metadata and resolve the receipt from the receipts
+ blockHash, blockNumber, receiptIndex := GetTxLookupEntry(db, hash)
+
+ if blockHash != (common.Hash{}) {
+ receipts := GetBlockReceipts(db, blockHash, blockNumber)
+ if len(receipts) <= int(receiptIndex) {
+ log.Error("Receipt refereced missing", "number", blockNumber, "hash", blockHash, "index", receiptIndex)
+ return nil, common.Hash{}, 0, 0
+ }
+ return receipts[receiptIndex], blockHash, blockNumber, receiptIndex
+ }
+ // Old receipt representation, load the receipt and set an unknown metadata
+ data, _ := db.Get(append(oldReceiptsPrefix, hash[:]...))
if len(data) == 0 {
- return nil
+ return nil, common.Hash{}, 0, 0
}
var receipt types.ReceiptForStorage
err := rlp.DecodeBytes(data, &receipt)
if err != nil {
log.Error("Invalid receipt RLP", "hash", hash, "err", err)
}
- return (*types.Receipt)(&receipt)
+ return (*types.Receipt)(&receipt), common.Hash{}, 0, 0
}
// WriteCanonicalHash stores the canonical hash for the given block number.
@@ -416,76 +431,29 @@ func WriteBlockReceipts(db ethdb.Database, hash common.Hash, number uint64, rece
return nil
}
-// WriteTransactions stores the transactions associated with a specific block
-// into the given database. Beside writing the transaction, the function also
-// stores a metadata entry along with the transaction, detailing the position
-// of this within the blockchain.
-func WriteTransactions(db ethdb.Database, block *types.Block) error {
+// WriteTxLookupEntries stores a positional metadata for every transaction from
+// a block, enabling hash based transaction and receipt lookups.
+func WriteTxLookupEntries(db ethdb.Database, block *types.Block) error {
batch := db.NewBatch()
- // Iterate over each transaction and encode it with its metadata
+ // Iterate over each transaction and encode its metadata
for i, tx := range block.Transactions() {
- // Encode and queue up the transaction for storage
- data, err := rlp.EncodeToBytes(tx)
- if err != nil {
- return err
- }
- if err = batch.Put(tx.Hash().Bytes(), data); err != nil {
- return err
- }
- // Encode and queue up the transaction metadata for storage
- meta := struct {
- BlockHash common.Hash
- BlockIndex uint64
- Index uint64
- }{
+ entry := txLookupEntry{
BlockHash: block.Hash(),
BlockIndex: block.NumberU64(),
Index: uint64(i),
}
- data, err = rlp.EncodeToBytes(meta)
- if err != nil {
- return err
- }
- if err := batch.Put(append(tx.Hash().Bytes(), txMetaSuffix...), data); err != nil {
- return err
- }
- }
- // Write the scheduled data into the database
- if err := batch.Write(); err != nil {
- log.Crit("Failed to store transactions", "err", err)
- }
- return nil
-}
-
-// WriteReceipt stores a single transaction receipt into the database.
-func WriteReceipt(db ethdb.Database, receipt *types.Receipt) error {
- storageReceipt := (*types.ReceiptForStorage)(receipt)
- data, err := rlp.EncodeToBytes(storageReceipt)
- if err != nil {
- return err
- }
- return db.Put(append(receiptsPrefix, receipt.TxHash.Bytes()...), data)
-}
-
-// WriteReceipts stores a batch of transaction receipts into the database.
-func WriteReceipts(db ethdb.Database, receipts types.Receipts) error {
- batch := db.NewBatch()
-
- // Iterate over all the receipts and queue them for database injection
- for _, receipt := range receipts {
- storageReceipt := (*types.ReceiptForStorage)(receipt)
- data, err := rlp.EncodeToBytes(storageReceipt)
+ data, err := rlp.EncodeToBytes(entry)
if err != nil {
return err
}
- if err := batch.Put(append(receiptsPrefix, receipt.TxHash.Bytes()...), data); err != nil {
+ if err := batch.Put(append(lookupPrefix, tx.Hash().Bytes()...), data); err != nil {
return err
}
}
// Write the scheduled data into the database
if err := batch.Write(); err != nil {
- log.Crit("Failed to store receipts", "err", err)
+ log.Crit("Failed to store lookup entries", "err", err)
}
return nil
}
@@ -524,15 +492,9 @@ func DeleteBlockReceipts(db ethdb.Database, hash common.Hash, number uint64) {
db.Delete(append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...))
}
-// DeleteTransaction removes all transaction data associated with a hash.
-func DeleteTransaction(db ethdb.Database, hash common.Hash) {
- db.Delete(hash.Bytes())
- db.Delete(append(hash.Bytes(), txMetaSuffix...))
-}
-
-// DeleteReceipt removes all receipt data associated with a transaction hash.
-func DeleteReceipt(db ethdb.Database, hash common.Hash) {
- db.Delete(append(receiptsPrefix, hash.Bytes()...))
+// DeleteTxLookupEntry removes all transaction data associated with a hash.
+func DeleteTxLookupEntry(db ethdb.Database, hash common.Hash) {
+ db.Delete(append(lookupPrefix, hash.Bytes()...))
}
// returns a formatted MIP mapped key by adding prefix, canonical number and level
diff --git a/core/database_util_test.go b/core/database_util_test.go
index 9f16b660a..e9a6df97b 100644
--- a/core/database_util_test.go
+++ b/core/database_util_test.go
@@ -290,8 +290,8 @@ func TestHeadStorage(t *testing.T) {
}
}
-// Tests that transactions and associated metadata can be stored and retrieved.
-func TestTransactionStorage(t *testing.T) {
+// Tests that positional lookup metadata can be stored and retrieved.
+func TestLookupStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), big.NewInt(1111), big.NewInt(11111), []byte{0x11, 0x11, 0x11})
@@ -308,7 +308,10 @@ func TestTransactionStorage(t *testing.T) {
}
}
// Insert all the transactions into the database, and verify contents
- if err := WriteTransactions(db, block); err != nil {
+ if err := WriteBlock(db, block); err != nil {
+ t.Fatalf("failed to write block contents: %v", err)
+ }
+ if err := WriteTxLookupEntries(db, block); err != nil {
t.Fatalf("failed to write transactions: %v", err)
}
for i, tx := range txs {
@@ -325,72 +328,13 @@ func TestTransactionStorage(t *testing.T) {
}
// Delete the transactions and check purge
for i, tx := range txs {
- DeleteTransaction(db, tx.Hash())
+ DeleteTxLookupEntry(db, tx.Hash())
if txn, _, _, _ := GetTransaction(db, tx.Hash()); txn != nil {
t.Fatalf("tx #%d [%x]: deleted transaction returned: %v", i, tx.Hash(), txn)
}
}
}
-// Tests that receipts can be stored and retrieved.
-func TestReceiptStorage(t *testing.T) {
- db, _ := ethdb.NewMemDatabase()
-
- receipt1 := &types.Receipt{
- PostState: []byte{0x01},
- CumulativeGasUsed: big.NewInt(1),
- Logs: []*types.Log{
- {Address: common.BytesToAddress([]byte{0x11})},
- {Address: common.BytesToAddress([]byte{0x01, 0x11})},
- },
- TxHash: common.BytesToHash([]byte{0x11, 0x11}),
- ContractAddress: common.BytesToAddress([]byte{0x01, 0x11, 0x11}),
- GasUsed: big.NewInt(111111),
- }
- receipt2 := &types.Receipt{
- PostState: []byte{0x02},
- CumulativeGasUsed: big.NewInt(2),
- Logs: []*types.Log{
- {Address: common.BytesToAddress([]byte{0x22})},
- {Address: common.BytesToAddress([]byte{0x02, 0x22})},
- },
- TxHash: common.BytesToHash([]byte{0x22, 0x22}),
- ContractAddress: common.BytesToAddress([]byte{0x02, 0x22, 0x22}),
- GasUsed: big.NewInt(222222),
- }
- receipts := []*types.Receipt{receipt1, receipt2}
-
- // Check that no receipt entries are in a pristine database
- for i, receipt := range receipts {
- if r := GetReceipt(db, receipt.TxHash); r != nil {
- t.Fatalf("receipt #%d [%x]: non existent receipt returned: %v", i, receipt.TxHash, r)
- }
- }
- // Insert all the receipts into the database, and verify contents
- if err := WriteReceipts(db, receipts); err != nil {
- t.Fatalf("failed to write receipts: %v", err)
- }
- for i, receipt := range receipts {
- if r := GetReceipt(db, receipt.TxHash); r == nil {
- t.Fatalf("receipt #%d [%x]: receipt not found", i, receipt.TxHash)
- } else {
- rlpHave, _ := rlp.EncodeToBytes(r)
- rlpWant, _ := rlp.EncodeToBytes(receipt)
-
- if !bytes.Equal(rlpHave, rlpWant) {
- t.Fatalf("receipt #%d [%x]: receipt mismatch: have %v, want %v", i, receipt.TxHash, r, receipt)
- }
- }
- }
- // Delete the receipts and check purge
- for i, receipt := range receipts {
- DeleteReceipt(db, receipt.TxHash)
- if r := GetReceipt(db, receipt.TxHash); r != nil {
- t.Fatalf("receipt #%d [%x]: deleted receipt returned: %v", i, receipt.TxHash, r)
- }
- }
-}
-
// Tests that receipts associated with a single block can be stored and retrieved.
func TestBlockReceiptStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
@@ -530,10 +474,6 @@ func TestMipmapChain(t *testing.T) {
}
// store the receipts
- err := WriteReceipts(db, receipts)
- if err != nil {
- t.Fatal(err)
- }
WriteMipmapBloom(db, uint64(i+1), receipts)
})
for i, block := range chain {