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-rw-r--r--eth/backend.go190
1 files changed, 118 insertions, 72 deletions
diff --git a/eth/backend.go b/eth/backend.go
index ed46a4ab3..c9b71803f 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -45,6 +45,7 @@ import (
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/nat"
+ "github.com/ethereum/go-ethereum/trie"
"github.com/ethereum/go-ethereum/whisper"
)
@@ -206,9 +207,8 @@ type Ethereum struct {
shutdownChan chan bool
// DB interfaces
- blockDb common.Database // Block chain database
- stateDb common.Database // State changes database
- extraDb common.Database // Extra database (txs, etc)
+ chainDb common.Database // Block chain databe
+ dappDb common.Database // Dapp database
// Closed when databases are flushed and closed
databasesClosed chan bool
@@ -266,27 +266,27 @@ func New(config *Config) (*Ethereum, error) {
if newdb == nil {
newdb = func(path string) (common.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
}
- blockDb, err := newdb(filepath.Join(config.DataDir, "blockchain"))
- if err != nil {
- return nil, fmt.Errorf("blockchain db err: %v", err)
- }
- if db, ok := blockDb.(*ethdb.LDBDatabase); ok {
- db.Meter("eth/db/block/")
+
+ // attempt to merge database together, upgrading from an old version
+ if err := mergeDatabases(config.DataDir, newdb); err != nil {
+ return nil, err
}
- stateDb, err := newdb(filepath.Join(config.DataDir, "state"))
+
+ chainDb, err := newdb(filepath.Join(config.DataDir, "chaindata"))
if err != nil {
- return nil, fmt.Errorf("state db err: %v", err)
+ return nil, fmt.Errorf("blockchain db err: %v", err)
}
- if db, ok := stateDb.(*ethdb.LDBDatabase); ok {
- db.Meter("eth/db/state/")
+ if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
+ db.Meter("eth/db/chaindata/")
}
- extraDb, err := newdb(filepath.Join(config.DataDir, "extra"))
+ dappDb, err := newdb(filepath.Join(config.DataDir, "dapp"))
if err != nil {
- return nil, fmt.Errorf("extra db err: %v", err)
+ return nil, fmt.Errorf("dapp db err: %v", err)
}
- if db, ok := extraDb.(*ethdb.LDBDatabase); ok {
- db.Meter("eth/db/extra/")
+ if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
+ db.Meter("eth/db/dapp/")
}
+
nodeDb := filepath.Join(config.DataDir, "nodes")
glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
@@ -296,7 +296,7 @@ func New(config *Config) (*Ethereum, error) {
return nil, err
}
- block, err := core.WriteGenesisBlock(stateDb, blockDb, fr)
+ block, err := core.WriteGenesisBlock(chainDb, fr)
if err != nil {
return nil, err
}
@@ -304,7 +304,7 @@ func New(config *Config) (*Ethereum, error) {
}
if config.Olympic {
- _, err := core.WriteTestNetGenesisBlock(stateDb, blockDb, 42)
+ _, err := core.WriteTestNetGenesisBlock(chainDb, 42)
if err != nil {
return nil, err
}
@@ -313,26 +313,25 @@ func New(config *Config) (*Ethereum, error) {
// This is for testing only.
if config.GenesisBlock != nil {
- core.WriteBlock(blockDb, config.GenesisBlock)
- core.WriteHead(blockDb, config.GenesisBlock)
+ core.WriteBlock(chainDb, config.GenesisBlock)
+ core.WriteHead(chainDb, config.GenesisBlock)
}
if !config.SkipBcVersionCheck {
- b, _ := blockDb.Get([]byte("BlockchainVersion"))
+ b, _ := chainDb.Get([]byte("BlockchainVersion"))
bcVersion := int(common.NewValue(b).Uint())
if bcVersion != config.BlockChainVersion && bcVersion != 0 {
return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, config.BlockChainVersion)
}
- saveBlockchainVersion(blockDb, config.BlockChainVersion)
+ saveBlockchainVersion(chainDb, config.BlockChainVersion)
}
glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)
eth := &Ethereum{
shutdownChan: make(chan bool),
databasesClosed: make(chan bool),
- blockDb: blockDb,
- stateDb: stateDb,
- extraDb: extraDb,
+ chainDb: chainDb,
+ dappDb: dappDb,
eventMux: &event.TypeMux{},
accountManager: config.AccountManager,
DataDir: config.DataDir,
@@ -362,7 +361,7 @@ func New(config *Config) (*Ethereum, error) {
eth.pow = ethash.New()
}
//genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb)
- eth.chainManager, err = core.NewChainManager(blockDb, stateDb, extraDb, eth.pow, eth.EventMux())
+ eth.chainManager, err = core.NewChainManager(chainDb, eth.pow, eth.EventMux())
if err != nil {
if err == core.ErrNoGenesis {
return nil, fmt.Errorf(`Genesis block not found. Please supply a genesis block with the "--genesis /path/to/file" argument`)
@@ -372,7 +371,7 @@ func New(config *Config) (*Ethereum, error) {
}
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit)
- eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.chainManager, eth.EventMux())
+ eth.blockProcessor = core.NewBlockProcessor(chainDb, eth.pow, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.protocolManager = NewProtocolManager(config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager)
@@ -520,9 +519,8 @@ 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) BlockDb() common.Database { return s.blockDb }
-func (s *Ethereum) StateDb() common.Database { return s.stateDb }
-func (s *Ethereum) ExtraDb() common.Database { return s.extraDb }
+func (s *Ethereum) ChainDb() common.Database { return s.chainDb }
+func (s *Ethereum) DappDb() common.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() }
@@ -569,23 +567,19 @@ done:
select {
case <-ticker.C:
// don't change the order of database flushes
- if err := s.extraDb.Flush(); err != nil {
- glog.Fatalf("fatal error: flush extraDb: %v (Restart your node. We are aware of this issue)\n", err)
+ 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.stateDb.Flush(); err != nil {
- glog.Fatalf("fatal error: flush stateDb: %v (Restart your node. We are aware of this issue)\n", err)
- }
- if err := s.blockDb.Flush(); err != nil {
- glog.Fatalf("fatal error: flush blockDb: %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.blockDb.Close()
- s.stateDb.Close()
- s.extraDb.Close()
+ s.chainDb.Close()
+ s.dappDb.Close()
close(s.databasesClosed)
}
@@ -683,14 +677,6 @@ func (self *Ethereum) StartAutoDAG() {
}()
}
-// dagFiles(epoch) returns the two alternative DAG filenames (not a path)
-// 1) <revision>-<hex(seedhash[8])> 2) full-R<revision>-<hex(seedhash[8])>
-func dagFiles(epoch uint64) (string, string) {
- seedHash, _ := ethash.GetSeedHash(epoch * epochLength)
- dag := fmt.Sprintf("full-R%d-%x", ethashRevision, seedHash[:8])
- return dag, "full-R" + dag
-}
-
// stopAutoDAG stops automatic DAG pregeneration by quitting the loop
func (self *Ethereum) StopAutoDAG() {
if self.autodagquit != nil {
@@ -700,20 +686,28 @@ func (self *Ethereum) StopAutoDAG() {
glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG OFF (ethash dir: %s)", ethash.DefaultDir)
}
-/*
- // The databases were previously tied to protocol versions. Currently we
- // are moving away from this decision as approaching Frontier. The below
- // code was left in for now but should eventually be just dropped.
+func (self *Ethereum) Solc() (*compiler.Solidity, error) {
+ var err error
+ if self.solc == nil {
+ self.solc, err = compiler.New(self.SolcPath)
+ }
+ return self.solc, err
+}
- func saveProtocolVersion(db common.Database, protov int) {
- d, _ := db.Get([]byte("ProtocolVersion"))
- protocolVersion := common.NewValue(d).Uint()
+// set in js console via admin interface or wrapper from cli flags
+func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error) {
+ self.SolcPath = solcPath
+ self.solc = nil
+ return self.Solc()
+}
- if protocolVersion == 0 {
- db.Put([]byte("ProtocolVersion"), common.NewValue(protov).Bytes())
- }
- }
-*/
+// dagFiles(epoch) returns the two alternative DAG filenames (not a path)
+// 1) <revision>-<hex(seedhash[8])> 2) full-R<revision>-<hex(seedhash[8])>
+func dagFiles(epoch uint64) (string, string) {
+ seedHash, _ := ethash.GetSeedHash(epoch * epochLength)
+ dag := fmt.Sprintf("full-R%d-%x", ethashRevision, seedHash[:8])
+ return dag, "full-R" + dag
+}
func saveBlockchainVersion(db common.Database, bcVersion int) {
d, _ := db.Get([]byte("BlockchainVersion"))
@@ -724,17 +718,69 @@ func saveBlockchainVersion(db common.Database, bcVersion int) {
}
}
-func (self *Ethereum) Solc() (*compiler.Solidity, error) {
- var err error
- if self.solc == nil {
- self.solc, err = compiler.New(self.SolcPath)
+// mergeDatabases when required merge old database layout to one single database
+func mergeDatabases(datadir string, newdb func(path string) (common.Database, error)) error {
+ // Check if already upgraded
+ data := filepath.Join(datadir, "chaindata")
+ if _, err := os.Stat(data); !os.IsNotExist(err) {
+ return nil
}
- return self.solc, err
-}
+ // make sure it's not just a clean path
+ chainPath := filepath.Join(datadir, "blockchain")
+ if _, err := os.Stat(chainPath); os.IsNotExist(err) {
+ return nil
+ }
+ glog.Infoln("Database upgrade required. Upgrading...")
-// set in js console via admin interface or wrapper from cli flags
-func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error) {
- self.SolcPath = solcPath
- self.solc = nil
- return self.Solc()
+ database, err := newdb(data)
+ if err != nil {
+ return fmt.Errorf("creating data db err: %v", err)
+ }
+ defer database.Close()
+
+ glog.Infoln("Merging blockchain database...")
+ chainDb, err := newdb(chainPath)
+ if err != nil {
+ return fmt.Errorf("state db err: %v", err)
+ }
+ defer chainDb.Close()
+
+ if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
+ it := db.NewIterator()
+ for it.Next() {
+ database.Put(it.Key(), it.Value())
+ }
+ }
+
+ glog.Infoln("Merging state database...")
+ state := filepath.Join(datadir, "state")
+ stateDb, err := newdb(state)
+ if err != nil {
+ return fmt.Errorf("state db err: %v", err)
+ }
+ defer stateDb.Close()
+
+ if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
+ it := db.NewIterator()
+ for it.Next() {
+ database.Put(append(trie.StatePre, it.Key()...), it.Value())
+ }
+ }
+
+ glog.Infoln("Merging transaction database...")
+ extra := filepath.Join(datadir, "extra")
+ extraDb, err := newdb(extra)
+ if err != nil {
+ return fmt.Errorf("state db err: %v", err)
+ }
+ defer extraDb.Close()
+
+ if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
+ it := db.NewIterator()
+ for it.Next() {
+ database.Put(it.Key(), it.Value())
+ }
+ }
+
+ return nil
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 22:18:39 +0800