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-rw-r--r--eth/backend.go35
-rw-r--r--eth/protocol.go50
-rw-r--r--eth/protocol_test.go6
3 files changed, 51 insertions, 40 deletions
diff --git a/eth/backend.go b/eth/backend.go
index 16be8793a..c1aa28f3c 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -38,7 +38,10 @@ var (
)
type Config struct {
- Name string
+ Name string
+ ProtocolVersion int
+ NetworkId int
+
DataDir string
LogFile string
LogLevel int
@@ -135,14 +138,16 @@ type Ethereum struct {
logger logger.LogSystem
- Mining bool
- DataDir string
- version string
+ Mining bool
+ DataDir string
+ version string
+ ProtocolVersion int
+ NetworkId int
}
func New(config *Config) (*Ethereum, error) {
// Boostrap database
- servlogger := logger.New(config.DataDir, config.LogFile, config.LogLevel, config.LogFormat)
+ servlogsystem := logger.New(config.DataDir, config.LogFile, config.LogLevel, config.LogFormat)
newdb := config.NewDB
if newdb == nil {
@@ -159,13 +164,14 @@ func New(config *Config) (*Ethereum, error) {
extraDb, err := ethdb.NewLDBDatabase(path.Join(config.DataDir, "extra"))
// Perform database sanity checks
- d, _ := blockDb.Get([]byte("ProtocolVersion"))
- protov := common.NewValue(d).Uint()
- if protov != ProtocolVersion && protov != 0 {
+ d, _ := extraDb.Get([]byte("ProtocolVersion"))
+ protov := int(common.NewValue(d).Uint())
+ if protov != config.ProtocolVersion && protov != 0 {
path := path.Join(config.DataDir, "blockchain")
- return nil, fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, ProtocolVersion, path)
+ return nil, fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, config.ProtocolVersion, path)
}
- saveProtocolVersion(extraDb)
+ saveProtocolVersion(extraDb, config.ProtocolVersion)
+ servlogger.Infof("Protocol Version: %v, Network Id: %v", config.ProtocolVersion, config.NetworkId)
eth := &Ethereum{
shutdownChan: make(chan bool),
@@ -173,7 +179,7 @@ func New(config *Config) (*Ethereum, error) {
stateDb: stateDb,
extraDb: extraDb,
eventMux: &event.TypeMux{},
- logger: servlogger,
+ logger: servlogsystem,
accountManager: config.AccountManager,
DataDir: config.DataDir,
version: config.Name, // TODO should separate from Name
@@ -195,7 +201,8 @@ func New(config *Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
- ethProto := EthProtocol(eth.txPool, eth.chainManager, eth.blockPool)
+
+ ethProto := EthProtocol(config.ProtocolVersion, config.NetworkId, eth.txPool, eth.chainManager, eth.blockPool)
protocols := []p2p.Protocol{ethProto}
if config.Shh {
protocols = append(protocols, eth.whisper.Protocol())
@@ -412,11 +419,11 @@ func (self *Ethereum) blockBroadcastLoop() {
}
}
-func saveProtocolVersion(db common.Database) {
+func saveProtocolVersion(db common.Database, protov int) {
d, _ := db.Get([]byte("ProtocolVersion"))
protocolVersion := common.NewValue(d).Uint()
if protocolVersion == 0 {
- db.Put([]byte("ProtocolVersion"), common.NewValue(ProtocolVersion).Bytes())
+ db.Put([]byte("ProtocolVersion"), common.NewValue(protov).Bytes())
}
}
diff --git a/eth/protocol.go b/eth/protocol.go
index e368bbec5..1d4322886 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -5,9 +5,9 @@ import (
"fmt"
"math/big"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/errs"
- "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
@@ -59,13 +59,15 @@ var errorToString = map[int]string{
// ethProtocol represents the ethereum wire protocol
// instance is running on each peer
type ethProtocol struct {
- txPool txPool
- chainManager chainManager
- blockPool blockPool
- peer *p2p.Peer
- id string
- rw p2p.MsgReadWriter
- errors *errs.Errors
+ txPool txPool
+ chainManager chainManager
+ blockPool blockPool
+ peer *p2p.Peer
+ id string
+ rw p2p.MsgReadWriter
+ errors *errs.Errors
+ protocolVersion int
+ networkId int
}
// backend is the interface the ethereum protocol backend should implement
@@ -102,27 +104,29 @@ type getBlockHashesMsgData struct {
// main entrypoint, wrappers starting a server running the eth protocol
// use this constructor to attach the protocol ("class") to server caps
// the Dev p2p layer then runs the protocol instance on each peer
-func EthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool) p2p.Protocol {
+func EthProtocol(protocolVersion, networkId int, txPool txPool, chainManager chainManager, blockPool blockPool) p2p.Protocol {
return p2p.Protocol{
Name: "eth",
- Version: ProtocolVersion,
+ Version: uint(protocolVersion),
Length: ProtocolLength,
Run: func(peer *p2p.Peer, rw p2p.MsgReadWriter) error {
- return runEthProtocol(txPool, chainManager, blockPool, peer, rw)
+ return runEthProtocol(protocolVersion, networkId, txPool, chainManager, blockPool, peer, rw)
},
}
}
// the main loop that handles incoming messages
// note RemovePeer in the post-disconnect hook
-func runEthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool, peer *p2p.Peer, rw p2p.MsgReadWriter) (err error) {
+func runEthProtocol(protocolVersion, networkId int, txPool txPool, chainManager chainManager, blockPool blockPool, peer *p2p.Peer, rw p2p.MsgReadWriter) (err error) {
id := peer.ID()
self := &ethProtocol{
- txPool: txPool,
- chainManager: chainManager,
- blockPool: blockPool,
- rw: rw,
- peer: peer,
+ txPool: txPool,
+ chainManager: chainManager,
+ blockPool: blockPool,
+ rw: rw,
+ peer: peer,
+ protocolVersion: protocolVersion,
+ networkId: networkId,
errors: &errs.Errors{
Package: "ETH",
Errors: errorToString,
@@ -290,8 +294,8 @@ func (self *ethProtocol) statusMsg() p2p.Msg {
td, currentBlock, genesisBlock := self.chainManager.Status()
return p2p.NewMsg(StatusMsg,
- uint32(ProtocolVersion),
- uint32(NetworkId),
+ uint32(self.protocolVersion),
+ uint32(self.networkId),
td,
currentBlock,
genesisBlock,
@@ -329,12 +333,12 @@ func (self *ethProtocol) handleStatus() error {
return self.protoError(ErrGenesisBlockMismatch, "%x (!= %x)", status.GenesisBlock, genesisBlock)
}
- if status.NetworkId != NetworkId {
- return self.protoError(ErrNetworkIdMismatch, "%d (!= %d)", status.NetworkId, NetworkId)
+ if int(status.NetworkId) != self.networkId {
+ return self.protoError(ErrNetworkIdMismatch, "%d (!= %d)", status.NetworkId, self.networkId)
}
- if ProtocolVersion != status.ProtocolVersion {
- return self.protoError(ErrProtocolVersionMismatch, "%d (!= %d)", status.ProtocolVersion, ProtocolVersion)
+ if int(status.ProtocolVersion) != self.protocolVersion {
+ return self.protoError(ErrProtocolVersionMismatch, "%d (!= %d)", status.ProtocolVersion, self.protocolVersion)
}
self.peer.Infof("Peer is [eth] capable (%d/%d). TD=%v H=%x\n", status.ProtocolVersion, status.NetworkId, status.TD, status.CurrentBlock[:4])
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
index a2b59f117..4bed71663 100644
--- a/eth/protocol_test.go
+++ b/eth/protocol_test.go
@@ -9,10 +9,10 @@ import (
"testing"
"time"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/errs"
- "github.com/ethereum/go-ethereum/common"
ethlogger "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
@@ -235,8 +235,8 @@ func TestStatusMsgErrors(t *testing.T) {
var status statusMsgData
eth.checkMsg(0, StatusMsg, &status) // first outgoing msg should be StatusMsg
if status.TD.Cmp(td) != 0 ||
- status.ProtocolVersion != ProtocolVersion ||
- status.NetworkId != NetworkId ||
+ status.ProtocolVersion != eth.ProtocolVersion ||
+ status.NetworkId != eth.NetworkId ||
status.TD.Cmp(td) != 0 ||
bytes.Compare(status.CurrentBlock, currentBlock) != 0 ||
bytes.Compare(status.GenesisBlock, genesis) != 0 {