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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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13
core/rawdb/accessors_metadata.go
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@ -20,13 +20,14 @@ import (
"encoding/json"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
// ReadDatabaseVersion retrieves the version number of the database.
func ReadDatabaseVersion(db DatabaseReader) *uint64 {
func ReadDatabaseVersion(db ethdb.Reader) *uint64 {
var version uint64
enc, _ := db.Get(databaseVerisionKey)
@ -41,7 +42,7 @@ func ReadDatabaseVersion(db DatabaseReader) *uint64 {
}
// WriteDatabaseVersion stores the version number of the database
func WriteDatabaseVersion(db DatabaseWriter, version uint64) {
func WriteDatabaseVersion(db ethdb.Writer, version uint64) {
enc, err := rlp.EncodeToBytes(version)
if err != nil {
log.Crit("Failed to encode database version", "err", err)
@ -52,7 +53,7 @@ func WriteDatabaseVersion(db DatabaseWriter, version uint64) {
}
// ReadChainConfig retrieves the consensus settings based on the given genesis hash.
func ReadChainConfig(db DatabaseReader, hash common.Hash) *params.ChainConfig {
func ReadChainConfig(db ethdb.Reader, hash common.Hash) *params.ChainConfig {
data, _ := db.Get(configKey(hash))
if len(data) == 0 {
return nil
@ -66,7 +67,7 @@ func ReadChainConfig(db DatabaseReader, hash common.Hash) *params.ChainConfig {
}
// WriteChainConfig writes the chain config settings to the database.
func WriteChainConfig(db DatabaseWriter, hash common.Hash, cfg *params.ChainConfig) {
func WriteChainConfig(db ethdb.Writer, hash common.Hash, cfg *params.ChainConfig) {
if cfg == nil {
return
}
@ -80,13 +81,13 @@ func WriteChainConfig(db DatabaseWriter, hash common.Hash, cfg *params.ChainConf
}
// ReadPreimage retrieves a single preimage of the provided hash.
func ReadPreimage(db DatabaseReader, hash common.Hash) []byte {
func ReadPreimage(db ethdb.Reader, hash common.Hash) []byte {
data, _ := db.Get(preimageKey(hash))
return data
}
// WritePreimages writes the provided set of preimages to the database.
func WritePreimages(db DatabaseWriter, preimages map[common.Hash][]byte) {
func WritePreimages(db ethdb.Writer, preimages map[common.Hash][]byte) {
for hash, preimage := range preimages {
if err := db.Put(preimageKey(hash), preimage); err != nil {
log.Crit("Failed to store trie preimage", "err", err)