clean up of xeth

1 files changed, 210 insertions, 1 deletions

diff --git a/xeth/xeth.go b/xeth/xeth.go
index 92b9bc995..6b491b0fe 100644
--- a/xeth/xeth.go
+++ b/xeth/xeth.go
@@ -4,6 +4,215 @@ package xeth
  * eXtended ETHereum
  */
 
-import "github.com/ethereum/go-ethereum/logger"
+import (
+	"bytes"
+	"encoding/json"
+
+	"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"
+)
 
 var pipelogger = logger.NewLogger("XETH")
+
+// 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 {
+	eth            Backend
+	blockProcessor *core.BlockProcessor
+	chainManager   *core.ChainManager
+	world          *State
+}
+
+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.chainManager.GetBlock(hash)
+
+	return NewJSBlock(block)
+}
+
+func (self *JSXEth) BlockByNumber(num int32) *JSBlock {
+	if num == -1 {
+		return NewJSBlock(self.chainManager.CurrentBlock())
+	}
+
+	return NewJSBlock(self.chainManager.GetBlockByNumber(uint64(num)))
+}
+
+func (self *JSXEth) Block(v interface{}) *JSBlock {
+	if n, ok := v.(int32); ok {
+		return self.BlockByNumber(n)
+	} else if str, ok := v.(string); ok {
+		return self.BlockByHash(str)
+	} else if f, ok := v.(float64); ok { // Don't ask ...
+		return self.BlockByNumber(int32(f))
+	}
+
+	return nil
+}
+
+func (self *JSXEth) Accounts() []string {
+	return []string{toHex(self.eth.KeyManager().Address())}
+}
+
+/*
+func (self *JSXEth) StateObject(addr string) *JSObject {
+	object := &Object{self.State().safeGet(fromHex(addr))}
+
+	return NewJSObject(object)
+}
+*/
+
+func (self *JSXEth) PeerCount() int {
+	return self.eth.PeerCount()
+}
+
+func (self *JSXEth) IsMining() bool {
+	return self.eth.IsMining()
+}
+
+func (self *JSXEth) IsListening() bool {
+	return self.eth.IsListening()
+}
+
+func (self *JSXEth) Coinbase() string {
+	return toHex(self.eth.KeyManager().Address())
+}
+
+func (self *JSXEth) NumberToHuman(balance string) string {
+	b := ethutil.Big(balance)
+
+	return ethutil.CurrencyToString(b)
+}
+
+func (self *JSXEth) StorageAt(addr, storageAddr string) string {
+	storage := self.State().SafeGet(addr).StorageString(storageAddr)
+
+	return toHex(storage.Bytes())
+}
+
+func (self *JSXEth) BalanceAt(addr string) string {
+	return self.State().SafeGet(addr).Balance().String()
+}
+
+func (self *JSXEth) TxCountAt(address string) int {
+	return int(self.State().SafeGet(address).Nonce)
+}
+
+func (self *JSXEth) CodeAt(address string) string {
+	return toHex(self.State().SafeGet(address).Code)
+}
+
+func (self *JSXEth) IsContract(address string) bool {
+	return len(self.State().SafeGet(address).Code) > 0
+}
+
+func (self *JSXEth) SecretToAddress(key string) string {
+	pair, err := crypto.NewKeyPairFromSec(fromHex(key))
+	if err != nil {
+		return ""
+	}
+
+	return toHex(pair.Address())
+}
+
+func (self *JSXEth) Execute(addr, value, gas, price, data string) (string, error) {
+	return "", nil
+}
+
+type KeyVal struct {
+	Key   string `json:"key"`
+	Value string `json:"value"`
+}
+
+func (self *JSXEth) EachStorage(addr string) string {
+	var values []KeyVal
+	object := self.State().SafeGet(addr)
+	it := object.Trie().Iterator()
+	for it.Next() {
+		values = append(values, KeyVal{toHex(it.Key), toHex(it.Value)})
+	}
+
+	valuesJson, err := json.Marshal(values)
+	if err != nil {
+		return ""
+	}
+
+	return string(valuesJson)
+}
+
+func (self *JSXEth) ToAscii(str string) string {
+	padded := ethutil.RightPadBytes([]byte(str), 32)
+
+	return "0x" + toHex(padded)
+}
+
+func (self *JSXEth) FromAscii(str string) string {
+	if ethutil.IsHex(str) {
+		str = str[2:]
+	}
+
+	return string(bytes.Trim(fromHex(str), "\x00"))
+}
+
+func (self *JSXEth) FromNumber(str string) string {
+	if ethutil.IsHex(str) {
+		str = str[2:]
+	}
+
+	return ethutil.BigD(fromHex(str)).String()
+}
+
+func (self *JSXEth) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
+	return "", nil
+}
+
+func ToJSMessages(messages state.Messages) *ethutil.List {
+	var msgs []JSMessage
+	for _, m := range messages {
+		msgs = append(msgs, NewJSMessage(m))
+	}
+
+	return ethutil.NewList(msgs)
+}
+
+func (self *JSXEth) PushTx(encodedTx string) (string, error) {
+	tx := types.NewTransactionFromBytes(fromHex(encodedTx))
+	err := self.eth.TxPool().Add(tx)
+	if err != nil {
+		return "", err
+	}
+
+	if tx.To() == nil {
+		addr := core.AddressFromMessage(tx)
+		return toHex(addr), nil
+	}
+	return toHex(tx.Hash()), nil
+}