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Merge pull request #560 from tgerring/xethcleanup 

XEth cleanup
This commit is contained in:
Jeffrey Wilcke 2015-03-25 13:55:46 +01:00
parent 7f0c2545a9 2b93843d86
commit aa1eae67ec
6 changed files with 153 additions and 161 deletions
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21
eth/backend.go
View File

@ -140,9 +140,10 @@ type Ethereum struct {
Mining bool
DataDir string
version string
protocolVersion int
networkId int
clientVersion string
ethVersionId int
netVersionId int
shhVersionId int
}
func New(config *Config) (*Ethereum, error) {
@ -184,9 +185,9 @@ func New(config *Config) (*Ethereum, error) {
eventMux: &event.TypeMux{},
accountManager: config.AccountManager,
DataDir: config.DataDir,
version: config.Name, // TODO should separate from Name
protocolVersion: config.ProtocolVersion,
networkId: config.NetworkId,
clientVersion: config.Name, // TODO should separate from Name
ethVersionId: config.ProtocolVersion,
netVersionId: config.NetworkId,
}
eth.chainManager = core.NewChainManager(blockDb, stateDb, eth.EventMux())
@ -195,6 +196,7 @@ func New(config *Config) (*Ethereum, error) {
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.txPool, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.whisper = whisper.New()
eth.shhVersionId = int(eth.whisper.Version())
eth.miner = miner.New(eth, eth.pow, config.MinerThreads)
hasBlock := eth.chainManager.HasBlock
@ -324,9 +326,10 @@ func (s *Ethereum) IsListening() bool { return true } // Alwa
func (s *Ethereum) PeerCount() int { return s.net.PeerCount() }
func (s *Ethereum) Peers() []*p2p.Peer { return s.net.Peers() }
func (s *Ethereum) MaxPeers() int { return s.net.MaxPeers }
func (s *Ethereum) Version() string { return s.version }
func (s *Ethereum) ProtocolVersion() int { return s.protocolVersion }
func (s *Ethereum) NetworkId() int { return s.networkId }
func (s *Ethereum) ClientVersion() string { return s.clientVersion }
func (s *Ethereum) EthVersion() int { return s.ethVersionId }
func (s *Ethereum) NetVersion() int { return s.netVersionId }
func (s *Ethereum) ShhVersion() int { return s.shhVersionId }
// Start the ethereum
func (s *Ethereum) Start() error {

12
rpc/api.go
View File

@ -49,7 +49,7 @@ func (api *EthereumApi) Close() {
}
func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error {
// Spec at https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC
// Spec at https://github.com/ethereum/wiki/wiki/JSON-RPC
rpclogger.Debugf("%s %s", req.Method, req.Params)
switch req.Method {
@ -60,14 +60,16 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
}
*reply = common.ToHex(crypto.Sha3(common.FromHex(args.Data)))
case "web3_clientVersion":
*reply = api.xeth().Backend().Version()
*reply = api.xeth().ClientVersion()
case "net_version":
*reply = string(api.xeth().Backend().ProtocolVersion())
*reply = api.xeth().NetworkVersion()
case "net_listening":
*reply = api.xeth().IsListening()
case "net_peerCount":
v := api.xeth().PeerCount()
*reply = common.ToHex(big.NewInt(int64(v)).Bytes())
case "eth_version":
*reply = api.xeth().EthVersion()
case "eth_coinbase":
// TODO handling of empty coinbase due to lack of accounts
res := api.xeth().Coinbase()
@ -84,7 +86,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
case "eth_accounts":
*reply = api.xeth().Accounts()
case "eth_blockNumber":
v := api.xeth().Backend().ChainManager().CurrentBlock().Number()
v := api.xeth().CurrentBlock().Number()
*reply = common.ToHex(v.Bytes())
case "eth_getBalance":
args := new(GetBalanceArgs)
@ -406,6 +408,8 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
res, _ := api.db.Get([]byte(args.Database + args.Key))
*reply = common.ToHex(res)
case "shh_version":
*reply = api.xeth().WhisperVersion()
case "shh_post":
args := new(WhisperMessageArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {

7
whisper/whisper.go
View File

@ -18,6 +18,7 @@ import (
const (
statusMsg = 0x0
envelopesMsg = 0x01
whisperVersion = 0x02
)
type MessageEvent struct {
@ -56,7 +57,7 @@ func New() *Whisper {
// p2p whisper sub protocol handler
whisper.protocol = p2p.Protocol{
Name: "shh",
Version: 2,
Version: uint(whisperVersion),
Length: 2,
Run: whisper.msgHandler,
}
@ -64,6 +65,10 @@ func New() *Whisper {
return whisper
}
func (self *Whisper) Version() uint {
return self.protocol.Version
}
func (self *Whisper) Start() {
wlogger.Infoln("Whisper started")
go self.update()

32
xeth/frontend.go Normal file
View File

@ -0,0 +1,32 @@
package xeth
import (
"github.com/ethereum/go-ethereum/core/types"
)
// Frontend should be implemented by users of XEth. Its methods are
// called whenever XEth makes a decision that requires user input.
type Frontend interface {
// UnlockAccount is called when a transaction needs to be signed
// but the key corresponding to the transaction's sender is
// locked.
//
// It should unlock the account with the given address and return
// true if unlocking succeeded.
UnlockAccount(address []byte) bool
// This is called for all transactions inititated through
// Transact. It should prompt the user to confirm the transaction
// and return true if the transaction was acknowledged.
//
// ConfirmTransaction is not used for Call transactions
// because they cannot change any state.
ConfirmTransaction(tx *types.Transaction) bool
}
// dummyFrontend is a non-interactive frontend that allows all
// transactions but cannot not unlock any keys.
type dummyFrontend struct{}
func (dummyFrontend) UnlockAccount([]byte) bool { return false }
func (dummyFrontend) ConfirmTransaction(*types.Transaction) bool { return true }

2
xeth/state.go
View File

@ -29,7 +29,7 @@ func (self *State) SafeGet(addr string) *Object {
func (self *State) safeGet(addr string) *state.StateObject {
object := self.state.GetStateObject(common.HexToAddress(addr))
if object == nil {
object = state.NewStateObject(common.HexToAddress(addr), self.xeth.eth.StateDb())
object = state.NewStateObject(common.HexToAddress(addr), self.xeth.backend.StateDb())
}
return object

204
xeth/xeth.go
View File

@ -15,12 +15,10 @@ 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/event"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/event/filter"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/whisper"
)
var (
@ -30,67 +28,13 @@ var (
defaultGas = big.NewInt(90000) //500000
)
// to resolve the import cycle
type Backend interface {
BlockProcessor() *core.BlockProcessor
ChainManager() *core.ChainManager
AccountManager() *accounts.Manager
TxPool() *core.TxPool
PeerCount() int
IsListening() bool
Peers() []*p2p.Peer
BlockDb() common.Database
StateDb() common.Database
ExtraDb() common.Database
EventMux() *event.TypeMux
Whisper() *whisper.Whisper
Miner() *miner.Miner
IsMining() bool
StartMining() error
StopMining()
Version() string
ProtocolVersion() int
NetworkId() int
}
// Frontend should be implemented by users of XEth. Its methods are
// called whenever XEth makes a decision that requires user input.
type Frontend interface {
// UnlockAccount is called when a transaction needs to be signed
// but the key corresponding to the transaction's sender is
// locked.
//
// It should unlock the account with the given address and return
// true if unlocking succeeded.
UnlockAccount(address []byte) bool
// This is called for all transactions inititated through
// Transact. It should prompt the user to confirm the transaction
// and return true if the transaction was acknowledged.
//
// ConfirmTransaction is not used for Call transactions
// because they cannot change any state.
ConfirmTransaction(tx *types.Transaction) bool
}
// dummyFrontend is a non-interactive frontend that allows all
// transactions but cannot not unlock any keys.
type dummyFrontend struct{}
func (dummyFrontend) UnlockAccount([]byte) bool { return false }
func (dummyFrontend) ConfirmTransaction(*types.Transaction) bool { return true }
type XEth struct {
eth Backend
blockProcessor *core.BlockProcessor
chainManager *core.ChainManager
accountManager *accounts.Manager
backend *eth.Ethereum
frontend Frontend
state *State
whisper *Whisper
frontend Frontend
quit chan struct{}
filterManager *filter.FilterManager
@ -103,23 +47,19 @@ type XEth struct {
// regmut sync.Mutex
// register map[string][]*interface{} // TODO improve return type
// Miner agent
agent *miner.RemoteAgent
}
// New creates an XEth that uses the given frontend.
// If a nil Frontend is provided, a default frontend which
// confirms all transactions will be used.
func New(eth Backend, frontend Frontend) *XEth {
func New(eth *eth.Ethereum, frontend Frontend) *XEth {
xeth := &XEth{
eth: eth,
blockProcessor: eth.BlockProcessor(),
chainManager: eth.ChainManager(),
accountManager: eth.AccountManager(),
backend: eth,
frontend: frontend,
whisper: NewWhisper(eth.Whisper()),
quit: make(chan struct{}),
filterManager: filter.NewFilterManager(eth.EventMux()),
frontend: frontend,
logs: make(map[int]*logFilter),
messages: make(map[int]*whisperFilter),
agent: miner.NewRemoteAgent(),
@ -129,7 +69,8 @@ func New(eth Backend, frontend Frontend) *XEth {
if frontend == nil {
xeth.frontend = dummyFrontend{}
}
xeth.state = NewState(xeth, xeth.chainManager.TransState())
xeth.state = NewState(xeth, xeth.backend.ChainManager().TransState())
go xeth.start()
go xeth.filterManager.Start()
@ -175,58 +116,63 @@ func (self *XEth) DefaultGasPrice() *big.Int { return defaultGasPrice }
func (self *XEth) RemoteMining() *miner.RemoteAgent { return self.agent }
func (self *XEth) AtStateNum(num int64) *XEth {
chain := self.Backend().ChainManager()
var block *types.Block
// -1 generally means "latest"
// -2 means "pending", which has no blocknum
if num < 0 {
num = chain.CurrentBlock().Number().Int64()
}
block = chain.GetBlockByNumber(uint64(num))
block := self.getBlockByHeight(num)
var st *state.StateDB
if block != nil {
st = state.New(block.Root(), self.Backend().StateDb())
st = state.New(block.Root(), self.backend.StateDb())
} else {
st = chain.State()
st = self.backend.ChainManager().State()
}
return self.WithState(st)
return self.withState(st)
}
func (self *XEth) Backend() Backend { return self.eth }
func (self *XEth) WithState(statedb *state.StateDB) *XEth {
func (self *XEth) withState(statedb *state.StateDB) *XEth {
xeth := &XEth{
eth: self.eth,
blockProcessor: self.blockProcessor,
chainManager: self.chainManager,
whisper: self.whisper,
backend: self.backend,
}
xeth.state = NewState(xeth, statedb)
return xeth
}
func (self *XEth) State() *State { return self.state }
func (self *XEth) Whisper() *Whisper { return self.whisper }
func (self *XEth) getBlockByHeight(height int64) *types.Block {
var num uint64
// -1 means "latest"
// -2 means "pending", which has no blocknum
if height <= -2 {
return &types.Block{}
} else if height == -1 {
num = self.CurrentBlock().NumberU64()
} else {
num = uint64(height)
}
return self.backend.ChainManager().GetBlockByNumber(num)
}
func (self *XEth) BlockByHash(strHash string) *Block {
hash := common.HexToHash(strHash)
block := self.chainManager.GetBlock(hash)
block := self.backend.ChainManager().GetBlock(hash)
return NewBlock(block)
}
func (self *XEth) EthBlockByHash(strHash string) *types.Block {
hash := common.HexToHash(strHash)
block := self.chainManager.GetBlock(hash)
block := self.backend.ChainManager().GetBlock(hash)
return block
}
func (self *XEth) EthTransactionByHash(hash string) *types.Transaction {
data, _ := self.eth.ExtraDb().Get(common.FromHex(hash))
data, _ := self.backend.ExtraDb().Get(common.FromHex(hash))
if len(data) != 0 {
return types.NewTransactionFromBytes(data)
}
@ -234,29 +180,15 @@ func (self *XEth) EthTransactionByHash(hash string) *types.Transaction {
}
func (self *XEth) BlockByNumber(num int64) *Block {
if num == -2 {
// "pending" is non-existant
return &Block{}
}
if num == -1 {
return NewBlock(self.chainManager.CurrentBlock())
}
return NewBlock(self.chainManager.GetBlockByNumber(uint64(num)))
return NewBlock(self.getBlockByHeight(num))
}
func (self *XEth) EthBlockByNumber(num int64) *types.Block {
if num == -2 {
// "pending" is non-existant
return &types.Block{}
}
return self.getBlockByHeight(num)
}
if num == -1 {
return self.chainManager.CurrentBlock()
}
return self.chainManager.GetBlockByNumber(uint64(num))
func (self *XEth) CurrentBlock() *types.Block {
return self.backend.ChainManager().CurrentBlock()
}
func (self *XEth) Block(v interface{}) *Block {
@ -273,7 +205,7 @@ func (self *XEth) Block(v interface{}) *Block {
func (self *XEth) Accounts() []string {
// TODO: check err?
accounts, _ := self.eth.AccountManager().Accounts()
accounts, _ := self.backend.AccountManager().Accounts()
accountAddresses := make([]string, len(accounts))
for i, ac := range accounts {
accountAddresses[i] = common.ToHex(ac.Address)
@ -282,31 +214,47 @@ func (self *XEth) Accounts() []string {
}
func (self *XEth) PeerCount() int {
return self.eth.PeerCount()
return self.backend.PeerCount()
}
func (self *XEth) IsMining() bool {
return self.eth.IsMining()
return self.backend.IsMining()
}
func (self *XEth) EthVersion() string {
return string(self.backend.EthVersion())
}
func (self *XEth) NetworkVersion() string {
return string(self.backend.NetVersion())
}
func (self *XEth) WhisperVersion() string {
return string(self.backend.ShhVersion())
}
func (self *XEth) ClientVersion() string {
return self.backend.ClientVersion()
}
func (self *XEth) SetMining(shouldmine bool) bool {
ismining := self.eth.IsMining()
ismining := self.backend.IsMining()
if shouldmine && !ismining {
err := self.eth.StartMining()
err := self.backend.StartMining()
return err == nil
}
if ismining && !shouldmine {
self.eth.StopMining()
self.backend.StopMining()
}
return self.eth.IsMining()
return self.backend.IsMining()
}
func (self *XEth) IsListening() bool {
return self.eth.IsListening()
return self.backend.IsListening()
}
func (self *XEth) Coinbase() string {
cb, _ := self.eth.AccountManager().Coinbase()
cb, _ := self.backend.AccountManager().Coinbase()
return common.ToHex(cb)
}
@ -349,7 +297,7 @@ func (self *XEth) SecretToAddress(key string) string {
func (self *XEth) RegisterFilter(args *core.FilterOptions) int {
var id int
filter := core.NewFilter(self.Backend())
filter := core.NewFilter(self.backend)
filter.SetOptions(args)
filter.LogsCallback = func(logs state.Logs) {
self.logMut.Lock()
@ -375,7 +323,7 @@ func (self *XEth) UninstallFilter(id int) bool {
func (self *XEth) NewFilterString(word string) int {
var id int
filter := core.NewFilter(self.Backend())
filter := core.NewFilter(self.backend)
switch word {
case "pending":
@ -427,7 +375,7 @@ func (self *XEth) Logs(id int) state.Logs {
}
func (self *XEth) AllLogs(args *core.FilterOptions) state.Logs {
filter := core.NewFilter(self.Backend())
filter := core.NewFilter(self.backend)
filter.SetOptions(args)
return filter.Find()
@ -543,7 +491,7 @@ func (self *XEth) FromNumber(str string) string {
func (self *XEth) PushTx(encodedTx string) (string, error) {
tx := types.NewTransactionFromBytes(common.FromHex(encodedTx))
err := self.eth.TxPool().Add(tx)
err := self.backend.TxPool().Add(tx)
if err != nil {
return "", err
}
@ -556,7 +504,7 @@ func (self *XEth) PushTx(encodedTx string) (string, error) {
}
func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
statedb := self.State().State() //self.chainManager.TransState()
statedb := self.State().State() //self.eth.ChainManager().TransState()
msg := callmsg{
from: statedb.GetOrNewStateObject(common.HexToAddress(fromStr)),
to: common.HexToAddress(toStr),
@ -573,8 +521,8 @@ func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr st
msg.gasPrice = defaultGasPrice
}
block := self.chainManager.CurrentBlock()
vmenv := core.NewEnv(statedb, self.chainManager, msg, block)
block := self.CurrentBlock()
vmenv := core.NewEnv(statedb, self.backend.ChainManager(), msg, block)
res, err := vmenv.Call(msg.from, msg.to, msg.data, msg.gas, msg.gasPrice, msg.value)
return common.ToHex(res), err
@ -635,14 +583,14 @@ func (self *XEth) Transact(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeSt
tx = types.NewTransactionMessage(to, value.BigInt(), gas, price, data)
}
state := self.chainManager.TxState()
state := self.backend.ChainManager().TxState()
nonce := state.NewNonce(from)
tx.SetNonce(nonce)
if err := self.sign(tx, from, false); err != nil {
return "", err
}
if err := self.eth.TxPool().Add(tx); err != nil {
if err := self.backend.TxPool().Add(tx); err != nil {
return "", err
}
@ -656,7 +604,7 @@ func (self *XEth) Transact(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeSt
}
func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error {
sig, err := self.accountManager.Sign(accounts.Account{Address: from.Bytes()}, tx.Hash().Bytes())
sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, tx.Hash().Bytes())
if err == accounts.ErrLocked {
if didUnlock {
return fmt.Errorf("sender account still locked after successful unlock")