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all: clean up and proerly abstract database access

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This commit is contained in:
Péter Szilágyi
2018-09-24 15:57:49 +03:00
parent 15eee47ebf
commit 054412e335
94 changed files with 1573 additions and 1381 deletions
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15
core/rawdb/accessors_indexes.go
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@ -19,13 +19,14 @@ package rawdb
import (
"github.com/ethereum/go-ethereum/common"
"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"
)
// ReadTxLookupEntry retrieves the positional metadata associated with a transaction
// hash to allow retrieving the transaction or receipt by hash.
func ReadTxLookupEntry(db DatabaseReader, hash common.Hash) common.Hash {
func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) common.Hash {
data, _ := db.Get(txLookupKey(hash))
if len(data) == 0 {
return common.Hash{}
@ -44,7 +45,7 @@ func ReadTxLookupEntry(db DatabaseReader, hash common.Hash) common.Hash {
// WriteTxLookupEntries stores a positional metadata for every transaction from
// a block, enabling hash based transaction and receipt lookups.
func WriteTxLookupEntries(db DatabaseWriter, block *types.Block) {
func WriteTxLookupEntries(db ethdb.Writer, block *types.Block) {
for _, tx := range block.Transactions() {
if err := db.Put(txLookupKey(tx.Hash()), block.Hash().Bytes()); err != nil {
log.Crit("Failed to store transaction lookup entry", "err", err)
@ -53,13 +54,13 @@ func WriteTxLookupEntries(db DatabaseWriter, block *types.Block) {
}
// DeleteTxLookupEntry removes all transaction data associated with a hash.
func DeleteTxLookupEntry(db DatabaseDeleter, hash common.Hash) {
func DeleteTxLookupEntry(db ethdb.Deleter, hash common.Hash) {
db.Delete(txLookupKey(hash))
}
// ReadTransaction retrieves a specific transaction from the database, along with
// its added positional metadata.
func ReadTransaction(db DatabaseReader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
func ReadTransaction(db ethdb.Reader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
blockHash := ReadTxLookupEntry(db, hash)
if blockHash == (common.Hash{}) {
return nil, common.Hash{}, 0, 0
@ -84,7 +85,7 @@ func ReadTransaction(db DatabaseReader, hash common.Hash) (*types.Transaction, c
// ReadReceipt retrieves a specific transaction receipt from the database, along with
// its added positional metadata.
func ReadReceipt(db DatabaseReader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
func ReadReceipt(db ethdb.Reader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
blockHash := ReadTxLookupEntry(db, hash)
if blockHash == (common.Hash{}) {
return nil, common.Hash{}, 0, 0
@ -105,13 +106,13 @@ func ReadReceipt(db DatabaseReader, hash common.Hash) (*types.Receipt, common.Ha
// ReadBloomBits retrieves the compressed bloom bit vector belonging to the given
// section and bit index from the.
func ReadBloomBits(db DatabaseReader, bit uint, section uint64, head common.Hash) ([]byte, error) {
func ReadBloomBits(db ethdb.Reader, bit uint, section uint64, head common.Hash) ([]byte, error) {
return db.Get(bloomBitsKey(bit, section, head))
}
// WriteBloomBits stores the compressed bloom bits vector belonging to the given
// section and bit index.
func WriteBloomBits(db DatabaseWriter, bit uint, section uint64, head common.Hash, bits []byte) {
func WriteBloomBits(db ethdb.Writer, bit uint, section uint64, head common.Hash, bits []byte) {
if err := db.Put(bloomBitsKey(bit, section, head), bits); err != nil {
log.Crit("Failed to store bloom bits", "err", err)
}