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Merge pull request #1801 from fjl/ethdb

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all: move common.Database to ethdb and add NewBatch
This commit is contained in:
Jeffrey Wilcke 2015-09-16 07:50:14 -07:00
commit 985b5f29ed
26 changed files with 142 additions and 125 deletions
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3
cmd/geth/blocktestcmd.go
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@ -22,7 +22,6 @@ import (
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/tests"
@ -103,7 +102,7 @@ func runBlockTest(ctx *cli.Context) {
func runOneBlockTest(ctx *cli.Context, test *tests.BlockTest) (*eth.Ethereum, error) {
cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
cfg.NewDB = func(path string) (common.Database, error) { return ethdb.NewMemDatabase() }
cfg.NewDB = func(path string) (ethdb.Database, error) { return ethdb.NewMemDatabase() }
cfg.MaxPeers = 0 // disable network
cfg.Shh = false // disable whisper
cfg.NAT = nil // disable port mapping

3
cmd/geth/chaincmd.go
View File

@ -29,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger/glog"
)
@ -191,7 +192,7 @@ func hashish(x string) bool {
return err != nil
}
func closeAll(dbs ...common.Database) {
func closeAll(dbs ...ethdb.Database) {
for _, db := range dbs {
db.Close()
}

2
cmd/geth/js_test.go
View File

@ -103,7 +103,7 @@ func testREPL(t *testing.T, config func(*eth.Config)) (string, *testjethre, *eth
Name: "test",
SolcPath: testSolcPath,
PowTest: true,
NewDB: func(path string) (common.Database, error) { return db, nil },
NewDB: func(path string) (ethdb.Database, error) { return db, nil },
}
if config != nil {
config(conf)

2
cmd/utils/flags.go
View File

@ -508,7 +508,7 @@ func SetupEth(ctx *cli.Context) {
}
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context) (chain *core.ChainManager, chainDb common.Database) {
func MakeChain(ctx *cli.Context) (chain *core.ChainManager, chainDb ethdb.Database) {
datadir := ctx.GlobalString(DataDirFlag.Name)
cache := ctx.GlobalInt(CacheFlag.Name)

2
common/natspec/natspec_e2e_test.go
View File

@ -143,7 +143,7 @@ func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
MaxPeers: 0,
PowTest: true,
Etherbase: common.HexToAddress(testAddress),
NewDB: func(path string) (common.Database, error) { return db, nil },
NewDB: func(path string) (ethdb.Database, error) { return db, nil },
})
if err != nil {

2
core/bench_test.go
View File

@ -144,7 +144,7 @@ func genUncles(i int, gen *BlockGen) {
func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
// Create the database in memory or in a temporary directory.
var db common.Database
var db ethdb.Database
if !disk {
db, _ = ethdb.NewMemDatabase()
} else {

5
core/block_processor.go
View File

@ -26,6 +26,7 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@ -41,7 +42,7 @@ const (
)
type BlockProcessor struct {
chainDb common.Database
chainDb ethdb.Database
// Mutex for locking the block processor. Blocks can only be handled one at a time
mutex sync.Mutex
// Canonical block chain
@ -68,7 +69,7 @@ type GasPool interface {
SubGas(gas, price *big.Int) error
}
func NewBlockProcessor(db common.Database, pow pow.PoW, chainManager *ChainManager, eventMux *event.TypeMux) *BlockProcessor {
func NewBlockProcessor(db ethdb.Database, pow pow.PoW, chainManager *ChainManager, eventMux *event.TypeMux) *BlockProcessor {
sm := &BlockProcessor{
chainDb: db,
mem: make(map[string]*big.Int),

7
core/chain_makers.go
View File

@ -22,6 +22,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/pow"
)
@ -142,7 +143,7 @@ func (b *BlockGen) PrevBlock(index int) *types.Block {
// Blocks created by GenerateChain do not contain valid proof of work
// values. Inserting them into ChainManager requires use of FakePow or
// a similar non-validating proof of work implementation.
func GenerateChain(parent *types.Block, db common.Database, n int, gen func(int, *BlockGen)) []*types.Block {
func GenerateChain(parent *types.Block, db ethdb.Database, n int, gen func(int, *BlockGen)) []*types.Block {
statedb := state.New(parent.Root(), db)
blocks := make(types.Blocks, n)
genblock := func(i int, h *types.Header) *types.Block {
@ -185,7 +186,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
// newCanonical creates a new deterministic canonical chain by running
// InsertChain on the result of makeChain.
func newCanonical(n int, db common.Database) (*BlockProcessor, error) {
func newCanonical(n int, db ethdb.Database) (*BlockProcessor, error) {
evmux := &event.TypeMux{}
WriteTestNetGenesisBlock(db, 0)
@ -201,7 +202,7 @@ func newCanonical(n int, db common.Database) (*BlockProcessor, error) {
return bman, err
}
func makeChain(parent *types.Block, n int, db common.Database, seed int) []*types.Block {
func makeChain(parent *types.Block, n int, db ethdb.Database, seed int) []*types.Block {
return GenerateChain(parent, db, n, func(i int, b *BlockGen) {
b.SetCoinbase(common.Address{0: byte(seed), 19: byte(i)})
})

5
core/chain_manager.go
View File

@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@ -60,7 +61,7 @@ const (
type ChainManager struct {
//eth EthManager
chainDb common.Database
chainDb ethdb.Database
processor types.BlockProcessor
eventMux *event.TypeMux
genesisBlock *types.Block
@ -90,7 +91,7 @@ type ChainManager struct {
pow pow.PoW
}
func NewChainManager(chainDb common.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
func NewChainManager(chainDb ethdb.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
headerCache, _ := lru.New(headerCacheLimit)
bodyCache, _ := lru.New(bodyCacheLimit)
bodyRLPCache, _ := lru.New(bodyCacheLimit)

4
core/chain_manager_test.go
View File

@ -46,7 +46,7 @@ func thePow() pow.PoW {
return pow
}
func theChainManager(db common.Database, t *testing.T) *ChainManager {
func theChainManager(db ethdb.Database, t *testing.T) *ChainManager {
var eventMux event.TypeMux
WriteTestNetGenesisBlock(db, 0)
chainMan, err := NewChainManager(db, thePow(), &eventMux)
@ -380,7 +380,7 @@ func makeChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.Block
return chain
}
func chm(genesis *types.Block, db common.Database) *ChainManager {
func chm(genesis *types.Block, db ethdb.Database) *ChainManager {
var eventMux event.TypeMux
bc := &ChainManager{chainDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: FakePow{}}
bc.headerCache, _ = lru.New(100)

45
core/chain_util.go
View File

@ -22,6 +22,7 @@ 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/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
@ -111,7 +112,7 @@ func CalcGasLimit(parent *types.Block) *big.Int {
}
// GetCanonicalHash retrieves a hash assigned to a canonical block number.
func GetCanonicalHash(db common.Database, number uint64) common.Hash {
func GetCanonicalHash(db ethdb.Database, number uint64) common.Hash {
data, _ := db.Get(append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...))
if len(data) == 0 {
return common.Hash{}
@ -124,7 +125,7 @@ func GetCanonicalHash(db common.Database, number uint64) common.Hash {
// last block hash is only updated upon a full block import, the last header
// hash is updated already at header import, allowing head tracking for the
// fast synchronization mechanism.
func GetHeadHeaderHash(db common.Database) common.Hash {
func GetHeadHeaderHash(db ethdb.Database) common.Hash {
data, _ := db.Get(headHeaderKey)
if len(data) == 0 {
return common.Hash{}
@ -133,7 +134,7 @@ func GetHeadHeaderHash(db common.Database) common.Hash {
}
// GetHeadBlockHash retrieves the hash of the current canonical head block.
func GetHeadBlockHash(db common.Database) common.Hash {
func GetHeadBlockHash(db ethdb.Database) common.Hash {
data, _ := db.Get(headBlockKey)
if len(data) == 0 {
return common.Hash{}
@ -143,14 +144,14 @@ func GetHeadBlockHash(db common.Database) common.Hash {
// GetHeaderRLP retrieves a block header in its raw RLP database encoding, or nil
// if the header's not found.
func GetHeaderRLP(db common.Database, hash common.Hash) rlp.RawValue {
func GetHeaderRLP(db ethdb.Database, hash common.Hash) rlp.RawValue {
data, _ := db.Get(append(append(blockPrefix, hash[:]...), headerSuffix...))
return data
}
// GetHeader retrieves the block header corresponding to the hash, nil if none
// found.
func GetHeader(db common.Database, hash common.Hash) *types.Header {
func GetHeader(db ethdb.Database, hash common.Hash) *types.Header {
data := GetHeaderRLP(db, hash)
if len(data) == 0 {
return nil
@ -164,14 +165,14 @@ func GetHeader(db common.Database, hash common.Hash) *types.Header {
}
// GetBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.
func GetBodyRLP(db common.Database, hash common.Hash) rlp.RawValue {
func GetBodyRLP(db ethdb.Database, hash common.Hash) rlp.RawValue {
data, _ := db.Get(append(append(blockPrefix, hash[:]...), bodySuffix...))
return data
}
// GetBody retrieves the block body (transactons, uncles) corresponding to the
// hash, nil if none found.
func GetBody(db common.Database, hash common.Hash) *types.Body {
func GetBody(db ethdb.Database, hash common.Hash) *types.Body {
data := GetBodyRLP(db, hash)
if len(data) == 0 {
return nil
@ -186,7 +187,7 @@ func GetBody(db common.Database, hash common.Hash) *types.Body {
// GetTd retrieves a block's total difficulty corresponding to the hash, nil if
// none found.
func GetTd(db common.Database, hash common.Hash) *big.Int {
func GetTd(db ethdb.Database, hash common.Hash) *big.Int {
data, _ := db.Get(append(append(blockPrefix, hash.Bytes()...), tdSuffix...))
if len(data) == 0 {
return nil
@ -201,7 +202,7 @@ func GetTd(db common.Database, hash common.Hash) *big.Int {
// GetBlock retrieves an entire block corresponding to the hash, assembling it
// back from the stored header and body.
func GetBlock(db common.Database, hash common.Hash) *types.Block {
func GetBlock(db ethdb.Database, hash common.Hash) *types.Block {
// Retrieve the block header and body contents
header := GetHeader(db, hash)
if header == nil {
@ -216,7 +217,7 @@ func GetBlock(db common.Database, hash common.Hash) *types.Block {
}
// WriteCanonicalHash stores the canonical hash for the given block number.
func WriteCanonicalHash(db common.Database, hash common.Hash, number uint64) error {
func WriteCanonicalHash(db ethdb.Database, hash common.Hash, number uint64) error {
key := append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...)
if err := db.Put(key, hash.Bytes()); err != nil {
glog.Fatalf("failed to store number to hash mapping into database: %v", err)
@ -226,7 +227,7 @@ func WriteCanonicalHash(db common.Database, hash common.Hash, number uint64) err
}
// WriteHeadHeaderHash stores the head header's hash.
func WriteHeadHeaderHash(db common.Database, hash common.Hash) error {
func WriteHeadHeaderHash(db ethdb.Database, hash common.Hash) error {
if err := db.Put(headHeaderKey, hash.Bytes()); err != nil {
glog.Fatalf("failed to store last header's hash into database: %v", err)
return err
@ -235,7 +236,7 @@ func WriteHeadHeaderHash(db common.Database, hash common.Hash) error {
}
// WriteHeadBlockHash stores the head block's hash.
func WriteHeadBlockHash(db common.Database, hash common.Hash) error {
func WriteHeadBlockHash(db ethdb.Database, hash common.Hash) error {
if err := db.Put(headBlockKey, hash.Bytes()); err != nil {
glog.Fatalf("failed to store last block's hash into database: %v", err)
return err
@ -244,7 +245,7 @@ func WriteHeadBlockHash(db common.Database, hash common.Hash) error {
}
// WriteHeader serializes a block header into the database.
func WriteHeader(db common.Database, header *types.Header) error {
func WriteHeader(db ethdb.Database, header *types.Header) error {
data, err := rlp.EncodeToBytes(header)
if err != nil {
return err
@ -259,7 +260,7 @@ func WriteHeader(db common.Database, header *types.Header) error {
}
// WriteBody serializes the body of a block into the database.
func WriteBody(db common.Database, hash common.Hash, body *types.Body) error {
func WriteBody(db ethdb.Database, hash common.Hash, body *types.Body) error {
data, err := rlp.EncodeToBytes(body)
if err != nil {
return err
@ -274,7 +275,7 @@ func WriteBody(db common.Database, hash common.Hash, body *types.Body) error {
}
// WriteTd serializes the total difficulty of a block into the database.
func WriteTd(db common.Database, hash common.Hash, td *big.Int) error {
func WriteTd(db ethdb.Database, hash common.Hash, td *big.Int) error {
data, err := rlp.EncodeToBytes(td)
if err != nil {
return err
@ -289,7 +290,7 @@ func WriteTd(db common.Database, hash common.Hash, td *big.Int) error {
}
// WriteBlock serializes a block into the database, header and body separately.
func WriteBlock(db common.Database, block *types.Block) error {
func WriteBlock(db ethdb.Database, block *types.Block) error {
// Store the body first to retain database consistency
if err := WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
return err
@ -302,27 +303,27 @@ func WriteBlock(db common.Database, block *types.Block) error {
}
// DeleteCanonicalHash removes the number to hash canonical mapping.
func DeleteCanonicalHash(db common.Database, number uint64) {
func DeleteCanonicalHash(db ethdb.Database, number uint64) {
db.Delete(append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...))
}
// DeleteHeader removes all block header data associated with a hash.
func DeleteHeader(db common.Database, hash common.Hash) {
func DeleteHeader(db ethdb.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), headerSuffix...))
}
// DeleteBody removes all block body data associated with a hash.
func DeleteBody(db common.Database, hash common.Hash) {
func DeleteBody(db ethdb.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), bodySuffix...))
}
// DeleteTd removes all block total difficulty data associated with a hash.
func DeleteTd(db common.Database, hash common.Hash) {
func DeleteTd(db ethdb.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), tdSuffix...))
}
// DeleteBlock removes all block data associated with a hash.
func DeleteBlock(db common.Database, hash common.Hash) {
func DeleteBlock(db ethdb.Database, hash common.Hash) {
DeleteHeader(db, hash)
DeleteBody(db, hash)
DeleteTd(db, hash)
@ -333,7 +334,7 @@ func DeleteBlock(db common.Database, hash common.Hash) {
// or nil if not found. This method is only used by the upgrade mechanism to
// access the old combined block representation. It will be dropped after the
// network transitions to eth/63.
func GetBlockByHashOld(db common.Database, hash common.Hash) *types.Block {
func GetBlockByHashOld(db ethdb.Database, hash common.Hash) *types.Block {
data, _ := db.Get(append(blockHashPre, hash[:]...))
if len(data) == 0 {
return nil

9
core/genesis.go
View File

@ -27,13 +27,14 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
)
// WriteGenesisBlock writes the genesis block to the database as block number 0
func WriteGenesisBlock(chainDb common.Database, reader io.Reader) (*types.Block, error) {
func WriteGenesisBlock(chainDb ethdb.Database, reader io.Reader) (*types.Block, error) {
contents, err := ioutil.ReadAll(reader)
if err != nil {
return nil, err
@ -110,7 +111,7 @@ func WriteGenesisBlock(chainDb common.Database, reader io.Reader) (*types.Block,
// GenesisBlockForTesting creates a block in which addr has the given wei balance.
// The state trie of the block is written to db.
func GenesisBlockForTesting(db common.Database, addr common.Address, balance *big.Int) *types.Block {
func GenesisBlockForTesting(db ethdb.Database, addr common.Address, balance *big.Int) *types.Block {
statedb := state.New(common.Hash{}, db)
obj := statedb.GetOrNewStateObject(addr)
obj.SetBalance(balance)
@ -124,7 +125,7 @@ func GenesisBlockForTesting(db common.Database, addr common.Address, balance *bi
return block
}
func WriteGenesisBlockForTesting(db common.Database, addr common.Address, balance *big.Int) *types.Block {
func WriteGenesisBlockForTesting(db ethdb.Database, addr common.Address, balance *big.Int) *types.Block {
testGenesis := fmt.Sprintf(`{
"nonce":"0x%x",
"gasLimit":"0x%x",
@ -137,7 +138,7 @@ func WriteGenesisBlockForTesting(db common.Database, addr common.Address, balanc
return block
}
func WriteTestNetGenesisBlock(chainDb common.Database, nonce uint64) (*types.Block, error) {
func WriteTestNetGenesisBlock(chainDb ethdb.Database, nonce uint64) (*types.Block, error) {
testGenesis := fmt.Sprintf(`{
"nonce":"0x%x",
"gasLimit":"0x%x",

6
core/helper_test.go
View File

@ -22,7 +22,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
// "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
)
@ -32,7 +32,7 @@ type TestManager struct {
// stateManager *StateManager
eventMux *event.TypeMux
db common.Database
db ethdb.Database
txPool *TxPool
blockChain *ChainManager
Blocks []*types.Block
@ -74,7 +74,7 @@ func (tm *TestManager) EventMux() *event.TypeMux {
// return nil
// }
func (tm *TestManager) Db() common.Database {
func (tm *TestManager) Db() ethdb.Database {
return tm.db
}

6
core/manager.go
View File

@ -18,7 +18,7 @@ package core
import (
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
)
@ -28,7 +28,7 @@ type Backend interface {
BlockProcessor() *BlockProcessor
ChainManager() *ChainManager
TxPool() *TxPool
ChainDb() common.Database
DappDb() common.Database
ChainDb() ethdb.Database
DappDb() ethdb.Database
EventMux() *event.TypeMux
}

7
core/state/state_object.go
View File

@ -23,6 +23,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
@ -56,7 +57,7 @@ func (self Storage) Copy() Storage {
type StateObject struct {
// State database for storing state changes
db common.Database
db ethdb.Database
trie *trie.SecureTrie
// Address belonging to this account
@ -87,7 +88,7 @@ type StateObject struct {
dirty bool
}
func NewStateObject(address common.Address, db common.Database) *StateObject {
func NewStateObject(address common.Address, db ethdb.Database) *StateObject {
object := &StateObject{db: db, address: address, balance: new(big.Int), gasPool: new(big.Int), dirty: true}
object.trie = trie.NewSecure((common.Hash{}).Bytes(), db)
object.storage = make(Storage)
@ -96,7 +97,7 @@ func NewStateObject(address common.Address, db common.Database) *StateObject {
return object
}
func NewStateObjectFromBytes(address common.Address, data []byte, db common.Database) *StateObject {
func NewStateObjectFromBytes(address common.Address, data []byte, db ethdb.Database) *StateObject {
// TODO clean me up
var extobject struct {
Nonce uint64

5
core/state/statedb.go
View File

@ -21,6 +21,7 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/trie"
@ -32,7 +33,7 @@ import (
// * Contracts
// * Accounts
type StateDB struct {
db common.Database
db ethdb.Database
trie *trie.SecureTrie
root common.Hash
@ -47,7 +48,7 @@ type StateDB struct {
}
// Create a new state from a given trie
func New(root common.Hash, db common.Database) *StateDB {
func New(root common.Hash, db ethdb.Database) *StateDB {
trie := trie.NewSecure(root[:], db)
return &StateDB{root: root, db: db, trie: trie, stateObjects: make(map[string]*StateObject), refund: new(big.Int), logs: make(map[common.Hash]Logs)}
}

10
core/transaction_util.go
View File

@ -32,7 +32,7 @@ var (
)
// PutTransactions stores the transactions in the given database
func PutTransactions(db common.Database, block *types.Block, txs types.Transactions) {
func PutTransactions(db ethdb.Database, block *types.Block, txs types.Transactions) {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
@ -78,7 +78,7 @@ func PutTransactions(db common.Database, block *types.Block, txs types.Transacti
}
// PutReceipts stores the receipts in the current database
func PutReceipts(db common.Database, receipts types.Receipts) error {
func PutReceipts(db ethdb.Database, receipts types.Receipts) error {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
@ -108,7 +108,7 @@ func PutReceipts(db common.Database, receipts types.Receipts) error {
}
// GetReceipt returns a receipt by hash
func GetReceipt(db common.Database, txHash common.Hash) *types.Receipt {
func GetReceipt(db ethdb.Database, txHash common.Hash) *types.Receipt {
data, _ := db.Get(append(receiptsPre, txHash[:]...))
if len(data) == 0 {
return nil
@ -124,7 +124,7 @@ func GetReceipt(db common.Database, txHash common.Hash) *types.Receipt {
// GetBlockReceipts returns the receipts generated by the transactions
// included in block's given hash.
func GetBlockReceipts(db common.Database, hash common.Hash) types.Receipts {
func GetBlockReceipts(db ethdb.Database, hash common.Hash) types.Receipts {
data, _ := db.Get(append(blockReceiptsPre, hash[:]...))
if len(data) == 0 {
return nil
@ -141,7 +141,7 @@ func GetBlockReceipts(db common.Database, hash common.Hash) types.Receipts {
// PutBlockReceipts stores the block's transactions associated receipts
// and stores them by block hash in a single slice. This is required for
// forks and chain reorgs
func PutBlockReceipts(db common.Database, block *types.Block, receipts types.Receipts) error {
func PutBlockReceipts(db ethdb.Database, block *types.Block, receipts types.Receipts) error {
rs := make([]*types.ReceiptForStorage, len(receipts))
for i, receipt := range receipts {
rs[i] = (*types.ReceiptForStorage)(receipt)

51
eth/backend.go
View File

@ -128,7 +128,7 @@ type Config struct {
// NewDB is used to create databases.
// If nil, the default is to create leveldb databases on disk.
NewDB func(path string) (common.Database, error)
NewDB func(path string) (ethdb.Database, error)
}
func (cfg *Config) parseBootNodes() []*discover.Node {
@ -210,11 +210,8 @@ type Ethereum struct {
shutdownChan chan bool
// DB interfaces
chainDb common.Database // Block chain databe
dappDb common.Database // Dapp database
// Closed when databases are flushed and closed
databasesClosed chan bool
chainDb ethdb.Database // Block chain database
dappDb ethdb.Database // Dapp database
//*** SERVICES ***
// State manager for processing new blocks and managing the over all states
@ -267,7 +264,7 @@ func New(config *Config) (*Ethereum, error) {
newdb := config.NewDB
if newdb == nil {
newdb = func(path string) (common.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
newdb = func(path string) (ethdb.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
}
// Open the chain database and perform any upgrades needed
@ -337,7 +334,6 @@ func New(config *Config) (*Ethereum, error) {
eth := &Ethereum{
shutdownChan: make(chan bool),
databasesClosed: make(chan bool),
chainDb: chainDb,
dappDb: dappDb,
eventMux: &event.TypeMux{},
@ -527,8 +523,8 @@ func (s *Ethereum) BlockProcessor() *core.BlockProcessor { return s.blockProcess
func (s *Ethereum) TxPool() *core.TxPool { return s.txPool }
func (s *Ethereum) Whisper() *whisper.Whisper { return s.whisper }
func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
func (s *Ethereum) ChainDb() common.Database { return s.chainDb }
func (s *Ethereum) DappDb() common.Database { return s.dappDb }
func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
func (s *Ethereum) DappDb() ethdb.Database { return s.dappDb }
func (s *Ethereum) IsListening() bool { return true } // Always listening
func (s *Ethereum) PeerCount() int { return s.net.PeerCount() }
func (s *Ethereum) Peers() []*p2p.Peer { return s.net.Peers() }
@ -549,8 +545,6 @@ func (s *Ethereum) Start() error {
if err != nil {
return err
}
// periodically flush databases
go s.syncDatabases()
if s.AutoDAG {
s.StartAutoDAG()
@ -566,32 +560,6 @@ func (s *Ethereum) Start() error {
return nil
}
// sync databases every minute. If flushing fails we exit immediatly. The system
// may not continue under any circumstances.
func (s *Ethereum) syncDatabases() {
ticker := time.NewTicker(1 * time.Minute)
done:
for {
select {
case <-ticker.C:
// don't change the order of database flushes
if err := s.dappDb.Flush(); err != nil {
glog.Fatalf("fatal error: flush dappDb: %v (Restart your node. We are aware of this issue)\n", err)
}
if err := s.chainDb.Flush(); err != nil {
glog.Fatalf("fatal error: flush chainDb: %v (Restart your node. We are aware of this issue)\n", err)
}
case <-s.shutdownChan:
break done
}
}
s.chainDb.Close()
s.dappDb.Close()
close(s.databasesClosed)
}
func (s *Ethereum) StartForTest() {
jsonlogger.LogJson(&logger.LogStarting{
ClientString: s.net.Name,
@ -622,12 +590,13 @@ func (s *Ethereum) Stop() {
}
s.StopAutoDAG()
s.chainDb.Close()
s.dappDb.Close()
close(s.shutdownChan)
}
// This function will wait for a shutdown and resumes main thread execution
func (s *Ethereum) WaitForShutdown() {
<-s.databasesClosed
<-s.shutdownChan
}
@ -717,7 +686,7 @@ func dagFiles(epoch uint64) (string, string) {
return dag, "full-R" + dag
}
func saveBlockchainVersion(db common.Database, bcVersion int) {
func saveBlockchainVersion(db ethdb.Database, bcVersion int) {
d, _ := db.Get([]byte("BlockchainVersion"))
blockchainVersion := common.NewValue(d).Uint()
@ -728,7 +697,7 @@ func saveBlockchainVersion(db common.Database, bcVersion int) {
// upgradeChainDatabase ensures that the chain database stores block split into
// separate header and body entries.
func upgradeChainDatabase(db common.Database) error {
func upgradeChainDatabase(db ethdb.Database) error {
// Short circuit if the head block is stored already as separate header and body
data, err := db.Get([]byte("LastBlock"))
if err != nil {

5
eth/handler.go
View File

@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/fetcher"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@ -61,7 +62,7 @@ func (ep extProt) GetBlock(hashes []common.Hash) error { return ep.getBlocks(has
type ProtocolManager struct {
txpool txPool
chainman *core.ChainManager
chaindb common.Database
chaindb ethdb.Database
downloader *downloader.Downloader
fetcher *fetcher.Fetcher
@ -86,7 +87,7 @@ type ProtocolManager struct {
// NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
// with the ethereum network.
func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager, chaindb common.Database) *ProtocolManager {
func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager, chaindb ethdb.Database) *ProtocolManager {
// Create the protocol manager with the base fields
manager := &ProtocolManager{
eventMux: mux,

41
ethdb/database.go
View File

@ -61,9 +61,7 @@ type LDBDatabase struct {
quitChan chan chan error // Quit channel to stop the metrics collection before closing the database
}
// NewLDBDatabase returns a LevelDB wrapped object. LDBDatabase does not persist data by
// it self but requires a background poller which syncs every X. `Flush` should be called
// when data needs to be stored and written to disk.
// NewLDBDatabase returns a LevelDB wrapped object.
func NewLDBDatabase(file string, cache int) (*LDBDatabase, error) {
// Calculate the cache allowance for this particular database
cache = int(float64(cache) * cacheRatio[filepath.Base(file)])
@ -142,11 +140,6 @@ func (self *LDBDatabase) NewIterator() iterator.Iterator {
return self.db.NewIterator(nil, nil)
}
// Flush flushes out the queue to leveldb
func (self *LDBDatabase) Flush() error {
return nil
}
func (self *LDBDatabase) Close() {
// Stop the metrics collection to avoid internal database races
self.quitLock.Lock()
@ -159,12 +152,14 @@ func (self *LDBDatabase) Close() {
glog.V(logger.Error).Infof("metrics failure in '%s': %v\n", self.fn, err)
}
}
// Flush and close the database
if err := self.Flush(); err != nil {
glog.V(logger.Error).Infof("flushing '%s' failed: %v\n", self.fn, err)
err := self.db.Close()
if glog.V(logger.Error) {
if err == nil {
glog.Infoln("closed db:", self.fn)
} else {
glog.Errorf("error closing db %s: %v", self.fn, err)
}
}
self.db.Close()
glog.V(logger.Error).Infoln("flushed and closed db:", self.fn)
}
func (self *LDBDatabase) LDB() *leveldb.DB {
@ -268,3 +263,23 @@ func (self *LDBDatabase) meter(refresh time.Duration) {
}
}
}
// TODO: remove this stuff and expose leveldb directly
func (db *LDBDatabase) NewBatch() Batch {
return &ldbBatch{db: db.db, b: new(leveldb.Batch)}
}
type ldbBatch struct {
db *leveldb.DB
b *leveldb.Batch
}
func (b *ldbBatch) Put(key, value []byte) error {
b.b.Put(key, value)
return nil
}
func (b *ldbBatch) Write() error {
return b.db.Write(b.b, nil)
}

10
common/db.go → ethdb/interface.go
View File

@ -14,13 +14,17 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package common
package ethdb
// Database interface
type Database interface {
Put(key []byte, value []byte) error
Get(key []byte) ([]byte, error)
Delete(key []byte) error
Close()
Flush() error
NewBatch() Batch
}
type Batch interface {
Put(key, value []byte) error
Write() error
}

24
ethdb/memory_database.go
View File

@ -36,8 +36,7 @@ func NewMemDatabase() (*MemDatabase, error) {
}
func (db *MemDatabase) Put(key []byte, value []byte) error {
db.db[string(key)] = value
db.db[string(key)] = common.CopyBytes(value)
return nil
}
@ -92,6 +91,25 @@ func (db *MemDatabase) LastKnownTD() []byte {
return data
}
func (db *MemDatabase) Flush() error {
func (db *MemDatabase) NewBatch() Batch {
return &memBatch{db: db}
}
type kv struct{ k, v []byte }
type memBatch struct {
db *MemDatabase
writes []kv
}
func (w *memBatch) Put(key, value []byte) error {
w.writes = append(w.writes, kv{key, common.CopyBytes(value)})
return nil
}
func (w *memBatch) Write() error {
for _, kv := range w.writes {
w.db.db[string(kv.k)] = kv.v
}
return nil
}

5
miner/agent.go
View File

@ -19,11 +19,12 @@ package miner
import (
"sync"
"sync/atomic"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/pow"
"sync/atomic"
)
type CpuAgent struct {
@ -63,7 +64,7 @@ func (self *CpuAgent) Stop() {
func (self *CpuAgent) Start() {
self.mu.Lock()
defer self.mu.Unlock()
if !atomic.CompareAndSwapInt32(&self.isMining, 0, 1) {
return // agent already started
}

3
miner/worker.go
View File

@ -29,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@ -100,7 +101,7 @@ type worker struct {
eth core.Backend
chain *core.ChainManager
proc *core.BlockProcessor
chainDb common.Database
chainDb ethdb.Database
coinbase common.Address
gasPrice *big.Int

2
tests/block_test_util.go
View File

@ -197,7 +197,7 @@ func (test *BlockTest) makeEthConfig() *eth.Config {
Verbosity: 5,
Etherbase: common.Address{},
AccountManager: accounts.NewManager(ks),
NewDB: func(path string) (common.Database, error) { return ethdb.NewMemDatabase() },
NewDB: func(path string) (ethdb.Database, error) { return ethdb.NewMemDatabase() },
}
}

3
tests/util.go
View File

@ -27,6 +27,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
)
func checkLogs(tlog []Log, logs state.Logs) error {
@ -87,7 +88,7 @@ func (self Log) Topics() [][]byte {
return t
}
func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
func StateObjectFromAccount(db ethdb.Database, addr string, account Account) *state.StateObject {
obj := state.NewStateObject(common.HexToAddress(addr), db)
obj.SetBalance(common.Big(account.Balance))