From 7f638f0b2d8d989be25e660178d79df3278e4c84 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Wed, 28 Jan 2015 18:14:28 +0100
Subject: moving to a better xeth
---
xeth/config.go | 2 +
xeth/hexface.go | 150 ++++++++++++++++++++----------------------------
xeth/world.go | 57 +++++--------------
xeth/xeth.go | 174 +-------------------------------------------------------
4 files changed, 77 insertions(+), 306 deletions(-)
(limited to 'xeth')
diff --git a/xeth/config.go b/xeth/config.go
index ad0660d75..db6cce3bd 100644
--- a/xeth/config.go
+++ b/xeth/config.go
@@ -1,5 +1,6 @@
package xeth
+/*
import "github.com/ethereum/go-ethereum/ethutil"
var cnfCtr = ethutil.Hex2Bytes("661005d2720d855f1d9976f88bb10c1a3398c77f")
@@ -33,3 +34,4 @@ func (self *Config) Get(name string) *Object {
func (self *Config) Exist() bool {
return self.pipe.World().Get(cnfCtr) != nil
}
+*/
diff --git a/xeth/hexface.go b/xeth/hexface.go
index 808ae7d39..3eb535724 100644
--- a/xeth/hexface.go
+++ b/xeth/hexface.go
@@ -11,27 +11,52 @@ import (
"github.com/ethereum/go-ethereum/state"
)
+// to resolve the import cycle
+type Backend interface {
+ BlockProcessor() *core.BlockProcessor
+ ChainManager() *core.ChainManager
+ Coinbase() []byte
+ KeyManager() *crypto.KeyManager
+ IsMining() bool
+ IsListening() bool
+ PeerCount() int
+ Db() ethutil.Database
+ TxPool() *core.TxPool
+}
+
type JSXEth struct {
- *XEth
+ eth Backend
+ blockProcessor *core.BlockProcessor
+ chainManager *core.ChainManager
+ world *State
}
-func NewJSXEth(eth core.EthManager) *JSXEth {
- return &JSXEth{New(eth)}
+func NewJSXEth(eth Backend) *JSXEth {
+ xeth := &JSXEth{
+ eth: eth,
+ blockProcessor: eth.BlockProcessor(),
+ chainManager: eth.ChainManager(),
+ }
+ xeth.world = NewState(xeth)
+
+ return xeth
}
+func (self *JSXEth) State() *State { return self.world }
+
func (self *JSXEth) BlockByHash(strHash string) *JSBlock {
hash := fromHex(strHash)
- block := self.obj.ChainManager().GetBlock(hash)
+ block := self.chainManager.GetBlock(hash)
return NewJSBlock(block)
}
func (self *JSXEth) BlockByNumber(num int32) *JSBlock {
if num == -1 {
- return NewJSBlock(self.obj.ChainManager().CurrentBlock())
+ return NewJSBlock(self.chainManager.CurrentBlock())
}
- return NewJSBlock(self.obj.ChainManager().GetBlockByNumber(uint64(num)))
+ return NewJSBlock(self.chainManager.GetBlockByNumber(uint64(num)))
}
func (self *JSXEth) Block(v interface{}) *JSBlock {
@@ -46,43 +71,32 @@ func (self *JSXEth) Block(v interface{}) *JSBlock {
return nil
}
-func (self *JSXEth) Key() *JSKey {
- return NewJSKey(self.obj.KeyManager().KeyPair())
-}
-
func (self *JSXEth) Accounts() []string {
- return []string{toHex(self.obj.KeyManager().Address())}
+ return []string{toHex(self.eth.KeyManager().Address())}
}
+/*
func (self *JSXEth) StateObject(addr string) *JSObject {
- object := &Object{self.World().safeGet(fromHex(addr))}
+ object := &Object{self.State().safeGet(fromHex(addr))}
return NewJSObject(object)
}
+*/
func (self *JSXEth) PeerCount() int {
- return self.obj.PeerCount()
-}
-
-func (self *JSXEth) Peers() []JSPeer {
- var peers []JSPeer
- for _, peer := range self.obj.Peers() {
- peers = append(peers, *NewJSPeer(peer))
- }
-
- return peers
+ return self.eth.PeerCount()
}
func (self *JSXEth) IsMining() bool {
- return self.obj.IsMining()
+ return self.eth.IsMining()
}
func (self *JSXEth) IsListening() bool {
- return self.obj.IsListening()
+ return self.eth.IsListening()
}
-func (self *JSXEth) CoinBase() string {
- return toHex(self.obj.KeyManager().Address())
+func (self *JSXEth) Coinbase() string {
+ return toHex(self.eth.KeyManager().Address())
}
func (self *JSXEth) NumberToHuman(balance string) string {
@@ -92,25 +106,25 @@ func (self *JSXEth) NumberToHuman(balance string) string {
}
func (self *JSXEth) StorageAt(addr, storageAddr string) string {
- storage := self.World().SafeGet(fromHex(addr)).Storage(fromHex(storageAddr))
+ storage := self.State().SafeGet(addr).StorageString(storageAddr)
return toHex(storage.Bytes())
}
func (self *JSXEth) BalanceAt(addr string) string {
- return self.World().SafeGet(fromHex(addr)).Balance().String()
+ return self.State().SafeGet(addr).Balance().String()
}
func (self *JSXEth) TxCountAt(address string) int {
- return int(self.World().SafeGet(fromHex(address)).Nonce)
+ return int(self.State().SafeGet(address).Nonce)
}
func (self *JSXEth) CodeAt(address string) string {
- return toHex(self.World().SafeGet(fromHex(address)).Code)
+ return toHex(self.State().SafeGet(address).Code)
}
func (self *JSXEth) IsContract(address string) bool {
- return len(self.World().SafeGet(fromHex(address)).Code) > 0
+ return len(self.State().SafeGet(address).Code) > 0
}
func (self *JSXEth) SecretToAddress(key string) string {
@@ -123,15 +137,7 @@ func (self *JSXEth) SecretToAddress(key string) string {
}
func (self *JSXEth) Execute(addr, value, gas, price, data string) (string, error) {
- ret, err := self.ExecuteObject(&Object{
- self.World().safeGet(fromHex(addr))},
- fromHex(data),
- ethutil.NewValue(value),
- ethutil.NewValue(gas),
- ethutil.NewValue(price),
- )
-
- return toHex(ret), err
+ return "", nil
}
type KeyVal struct {
@@ -141,7 +147,7 @@ type KeyVal struct {
func (self *JSXEth) EachStorage(addr string) string {
var values []KeyVal
- object := self.World().SafeGet(fromHex(addr))
+ object := self.State().SafeGet(addr)
it := object.Trie().Iterator()
for it.Next() {
values = append(values, KeyVal{toHex(it.Key), toHex(it.Value)})
@@ -178,62 +184,28 @@ func (self *JSXEth) FromNumber(str string) string {
}
func (self *JSXEth) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
- var (
- to []byte
- value = ethutil.NewValue(valueStr)
- gas = ethutil.NewValue(gasStr)
- gasPrice = ethutil.NewValue(gasPriceStr)
- data []byte
- )
-
- data = fromHex(codeStr)
-
- to = fromHex(toStr)
-
- keyPair, err := crypto.NewKeyPairFromSec([]byte(fromHex(key)))
- if err != nil {
- return "", err
- }
-
- tx, err := self.XEth.Transact(keyPair, to, value, gas, gasPrice, data)
- if err != nil {
- return "", err
- }
- if types.IsContractAddr(to) {
- return toHex(core.AddressFromMessage(tx)), nil
- }
-
- return toHex(tx.Hash()), nil
+ return "", nil
}
-func (self *JSXEth) PushTx(txStr string) (*JSReceipt, error) {
- tx := types.NewTransactionFromBytes(fromHex(txStr))
- err := self.obj.TxPool().Add(tx)
- if err != nil {
- return nil, err
+func ToJSMessages(messages state.Messages) *ethutil.List {
+ var msgs []JSMessage
+ for _, m := range messages {
+ msgs = append(msgs, NewJSMessage(m))
}
- return NewJSReciept(core.MessageCreatesContract(tx), core.AddressFromMessage(tx), tx.Hash(), tx.From()), nil
+ return ethutil.NewList(msgs)
}
-func (self *JSXEth) CompileMutan(code string) string {
- data, err := self.XEth.CompileMutan(code)
+func (self *JSXEth) PushTx(encodedTx string) (string, error) {
+ tx := types.NewTransactionFromBytes(fromHex(encodedTx))
+ err := self.eth.TxPool().Add(tx)
if err != nil {
- return err.Error()
+ return "", err
}
- return toHex(data)
-}
-
-func (self *JSXEth) FindInConfig(str string) string {
- return toHex(self.World().Config().Get(str).Address())
-}
-
-func ToJSMessages(messages state.Messages) *ethutil.List {
- var msgs []JSMessage
- for _, m := range messages {
- msgs = append(msgs, NewJSMessage(m))
+ if tx.To() == nil {
+ addr := core.AddressFromMessage(tx)
+ return toHex(addr), nil
}
-
- return ethutil.NewList(msgs)
+ return toHex(tx.Hash()), nil
}
diff --git a/xeth/world.go b/xeth/world.go
index 25c2f3eb8..60d4bbb57 100644
--- a/xeth/world.go
+++ b/xeth/world.go
@@ -1,63 +1,32 @@
package xeth
-import (
- "github.com/ethereum/go-ethereum/p2p"
- "github.com/ethereum/go-ethereum/state"
-)
-
-type World struct {
- pipe *XEth
- cfg *Config
-}
-
-func NewWorld(pipe *XEth) *World {
- world := &World{pipe, nil}
- world.cfg = &Config{pipe}
+import "github.com/ethereum/go-ethereum/state"
- return world
+type State struct {
+ xeth *JSXEth
}
-func (self *XEth) World() *World {
- return self.world
+func NewState(xeth *JSXEth) *State {
+ return &State{xeth}
}
-func (self *World) State() *state.StateDB {
- return self.pipe.chainManager.State()
+func (self *State) State() *state.StateDB {
+ return self.xeth.chainManager.State()
}
-func (self *World) Get(addr []byte) *Object {
- return &Object{self.State().GetStateObject(addr)}
+func (self *State) Get(addr string) *Object {
+ return &Object{self.State().GetStateObject(fromHex(addr))}
}
-func (self *World) SafeGet(addr []byte) *Object {
+func (self *State) SafeGet(addr string) *Object {
return &Object{self.safeGet(addr)}
}
-func (self *World) safeGet(addr []byte) *state.StateObject {
- object := self.State().GetStateObject(addr)
+func (self *State) safeGet(addr string) *state.StateObject {
+ object := self.State().GetStateObject(fromHex(addr))
if object == nil {
- object = state.NewStateObject(addr, self.pipe.obj.Db())
+ object = state.NewStateObject(fromHex(addr), self.xeth.eth.Db())
}
return object
}
-
-func (self *World) Coinbase() *state.StateObject {
- return nil
-}
-
-func (self *World) IsMining() bool {
- return self.pipe.obj.IsMining()
-}
-
-func (self *World) IsListening() bool {
- return self.pipe.obj.IsListening()
-}
-
-func (self *World) Peers() []*p2p.Peer {
- return self.pipe.obj.Peers()
-}
-
-func (self *World) Config() *Config {
- return self.cfg
-}
diff --git a/xeth/xeth.go b/xeth/xeth.go
index 34d8ffd0a..92b9bc995 100644
--- a/xeth/xeth.go
+++ b/xeth/xeth.go
@@ -4,178 +4,6 @@ package xeth
* eXtended ETHereum
*/
-import (
- "github.com/ethereum/go-ethereum/core"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/ethutil"
- "github.com/ethereum/go-ethereum/logger"
- "github.com/ethereum/go-ethereum/state"
-)
+import "github.com/ethereum/go-ethereum/logger"
var pipelogger = logger.NewLogger("XETH")
-
-type VmVars struct {
- State *state.StateDB
-}
-
-type XEth struct {
- obj core.EthManager
- blockProcessor *core.BlockProcessor
- chainManager *core.ChainManager
- world *World
-
- Vm VmVars
-}
-
-func New(obj core.EthManager) *XEth {
- pipe := &XEth{
- obj: obj,
- blockProcessor: obj.BlockProcessor(),
- chainManager: obj.ChainManager(),
- }
- pipe.world = NewWorld(pipe)
-
- return pipe
-}
-
-/*
- * State / Account accessors
- */
-func (self *XEth) Balance(addr []byte) *ethutil.Value {
- return ethutil.NewValue(self.World().safeGet(addr).Balance)
-}
-
-func (self *XEth) Nonce(addr []byte) uint64 {
- return self.World().safeGet(addr).Nonce
-}
-
-func (self *XEth) Block(hash []byte) *types.Block {
- return self.chainManager.GetBlock(hash)
-}
-
-func (self *XEth) Storage(addr, storageAddr []byte) *ethutil.Value {
- return self.World().safeGet(addr).GetStorage(ethutil.BigD(storageAddr))
-}
-
-func (self *XEth) Exists(addr []byte) bool {
- return self.World().Get(addr) != nil
-}
-
-// Converts the given private key to an address
-func (self *XEth) ToAddress(priv []byte) []byte {
- pair, err := crypto.NewKeyPairFromSec(priv)
- if err != nil {
- return nil
- }
-
- return pair.Address()
-}
-
-/*
- * Execution helpers
- */
-func (self *XEth) Execute(addr []byte, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
- return self.ExecuteObject(&Object{self.World().safeGet(addr)}, data, value, gas, price)
-}
-
-func (self *XEth) ExecuteObject(object *Object, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
- var (
- initiator = state.NewStateObject(self.obj.KeyManager().KeyPair().Address(), self.obj.Db())
- block = self.chainManager.CurrentBlock()
- )
-
- self.Vm.State = self.World().State().Copy()
-
- vmenv := NewEnv(self.chainManager, self.Vm.State, block, value.BigInt(), initiator.Address())
- return vmenv.Call(initiator, object.Address(), data, gas.BigInt(), price.BigInt(), value.BigInt())
-}
-
-/*
- * Transactional methods
- */
-func (self *XEth) TransactString(key *crypto.KeyPair, rec string, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
- // Check if an address is stored by this address
- var hash []byte
- addr := self.World().Config().Get("NameReg").StorageString(rec).Bytes()
- if len(addr) > 0 {
- hash = addr
- } else if ethutil.IsHex(rec) {
- hash = ethutil.Hex2Bytes(rec[2:])
- } else {
- hash = ethutil.Hex2Bytes(rec)
- }
-
- return self.Transact(key, hash, value, gas, price, data)
-}
-
-func (self *XEth) Transact(key *crypto.KeyPair, to []byte, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
- var hash []byte
- var contractCreation bool
- if types.IsContractAddr(to) {
- contractCreation = true
- } else {
- // Check if an address is stored by this address
- addr := self.World().Config().Get("NameReg").Storage(to).Bytes()
- if len(addr) > 0 {
- hash = addr
- } else {
- hash = to
- }
- }
-
- var tx *types.Transaction
- if contractCreation {
- tx = types.NewContractCreationTx(value.BigInt(), gas.BigInt(), price.BigInt(), data)
- } else {
- tx = types.NewTransactionMessage(hash, value.BigInt(), gas.BigInt(), price.BigInt(), data)
- }
-
- state := self.chainManager.TransState()
- nonce := state.GetNonce(key.Address())
-
- tx.SetNonce(nonce)
- tx.Sign(key.PrivateKey)
-
- // Do some pre processing for our "pre" events and hooks
- block := self.chainManager.NewBlock(key.Address())
- coinbase := state.GetOrNewStateObject(key.Address())
- coinbase.SetGasPool(block.GasLimit())
- self.blockProcessor.ApplyTransactions(coinbase, state, block, types.Transactions{tx}, true)
-
- err := self.obj.TxPool().Add(tx)
- if err != nil {
- return nil, err
- }
- state.SetNonce(key.Address(), nonce+1)
-
- if contractCreation {
- addr := core.AddressFromMessage(tx)
- pipelogger.Infof("Contract addr %x\n", addr)
- }
-
- return tx, nil
-}
-
-func (self *XEth) PushTx(tx *types.Transaction) ([]byte, error) {
- err := self.obj.TxPool().Add(tx)
- if err != nil {
- return nil, err
- }
-
- if tx.To() == nil {
- addr := core.AddressFromMessage(tx)
- pipelogger.Infof("Contract addr %x\n", addr)
- return addr, nil
- }
- return tx.Hash(), nil
-}
-
-func (self *XEth) CompileMutan(code string) ([]byte, error) {
- data, err := ethutil.Compile(code, false)
- if err != nil {
- return nil, err
- }
-
- return data, nil
-}
--
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