1029 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			1029 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // eXtended ETHereum
 | |
| package xeth
 | |
| 
 | |
| import (
 | |
| 	"bytes"
 | |
| 	"encoding/json"
 | |
| 	"fmt"
 | |
| 	"math/big"
 | |
| 	"sync"
 | |
| 	"time"
 | |
| 
 | |
| 	"github.com/ethereum/go-ethereum/accounts"
 | |
| 	"github.com/ethereum/go-ethereum/common"
 | |
| 	"github.com/ethereum/go-ethereum/common/compiler"
 | |
| 	"github.com/ethereum/go-ethereum/core"
 | |
| 	"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/eth"
 | |
| 	"github.com/ethereum/go-ethereum/event/filter"
 | |
| 	"github.com/ethereum/go-ethereum/logger"
 | |
| 	"github.com/ethereum/go-ethereum/logger/glog"
 | |
| 	"github.com/ethereum/go-ethereum/miner"
 | |
| 	"github.com/ethereum/go-ethereum/rlp"
 | |
| )
 | |
| 
 | |
| var (
 | |
| 	filterTickerTime = 5 * time.Minute
 | |
| 	defaultGasPrice  = big.NewInt(10000000000000) //150000000000
 | |
| 	defaultGas       = big.NewInt(90000)          //500000
 | |
| 	dappStorePre     = []byte("dapp-")
 | |
| )
 | |
| 
 | |
| // byte will be inferred
 | |
| const (
 | |
| 	UnknownFilterTy = iota
 | |
| 	BlockFilterTy
 | |
| 	TransactionFilterTy
 | |
| 	LogFilterTy
 | |
| )
 | |
| 
 | |
| func DefaultGas() *big.Int      { return new(big.Int).Set(defaultGas) }
 | |
| func DefaultGasPrice() *big.Int { return new(big.Int).Set(defaultGasPrice) }
 | |
| 
 | |
| type XEth struct {
 | |
| 	backend  *eth.Ethereum
 | |
| 	frontend Frontend
 | |
| 
 | |
| 	state   *State
 | |
| 	whisper *Whisper
 | |
| 
 | |
| 	quit          chan struct{}
 | |
| 	filterManager *filter.FilterManager
 | |
| 
 | |
| 	logMu    sync.RWMutex
 | |
| 	logQueue map[int]*logQueue
 | |
| 
 | |
| 	blockMu    sync.RWMutex
 | |
| 	blockQueue map[int]*hashQueue
 | |
| 
 | |
| 	transactionMu    sync.RWMutex
 | |
| 	transactionQueue map[int]*hashQueue
 | |
| 
 | |
| 	messagesMu sync.RWMutex
 | |
| 	messages   map[int]*whisperFilter
 | |
| 
 | |
| 	// regmut   sync.Mutex
 | |
| 	// register map[string][]*interface{} // TODO improve return type
 | |
| 
 | |
| 	agent *miner.RemoteAgent
 | |
| }
 | |
| 
 | |
| func NewTest(eth *eth.Ethereum, frontend Frontend) *XEth {
 | |
| 	return &XEth{
 | |
| 		backend:  eth,
 | |
| 		frontend: frontend,
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // 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 *eth.Ethereum, frontend Frontend) *XEth {
 | |
| 	xeth := &XEth{
 | |
| 		backend:          eth,
 | |
| 		frontend:         frontend,
 | |
| 		quit:             make(chan struct{}),
 | |
| 		filterManager:    filter.NewFilterManager(eth.EventMux()),
 | |
| 		logQueue:         make(map[int]*logQueue),
 | |
| 		blockQueue:       make(map[int]*hashQueue),
 | |
| 		transactionQueue: make(map[int]*hashQueue),
 | |
| 		messages:         make(map[int]*whisperFilter),
 | |
| 		agent:            miner.NewRemoteAgent(),
 | |
| 	}
 | |
| 	if eth.Whisper() != nil {
 | |
| 		xeth.whisper = NewWhisper(eth.Whisper())
 | |
| 	}
 | |
| 	eth.Miner().Register(xeth.agent)
 | |
| 	if frontend == nil {
 | |
| 		xeth.frontend = dummyFrontend{}
 | |
| 	}
 | |
| 	xeth.state = NewState(xeth, xeth.backend.ChainManager().TransState())
 | |
| 
 | |
| 	go xeth.start()
 | |
| 	go xeth.filterManager.Start()
 | |
| 
 | |
| 	return xeth
 | |
| }
 | |
| 
 | |
| func (self *XEth) start() {
 | |
| 	timer := time.NewTicker(2 * time.Second)
 | |
| done:
 | |
| 	for {
 | |
| 		select {
 | |
| 		case <-timer.C:
 | |
| 			self.logMu.Lock()
 | |
| 			for id, filter := range self.logQueue {
 | |
| 				if time.Since(filter.timeout) > filterTickerTime {
 | |
| 					self.filterManager.UninstallFilter(id)
 | |
| 					delete(self.logQueue, id)
 | |
| 				}
 | |
| 			}
 | |
| 			self.logMu.Unlock()
 | |
| 
 | |
| 			self.blockMu.Lock()
 | |
| 			for id, filter := range self.blockQueue {
 | |
| 				if time.Since(filter.timeout) > filterTickerTime {
 | |
| 					self.filterManager.UninstallFilter(id)
 | |
| 					delete(self.blockQueue, id)
 | |
| 				}
 | |
| 			}
 | |
| 			self.blockMu.Unlock()
 | |
| 
 | |
| 			self.transactionMu.Lock()
 | |
| 			for id, filter := range self.transactionQueue {
 | |
| 				if time.Since(filter.timeout) > filterTickerTime {
 | |
| 					self.filterManager.UninstallFilter(id)
 | |
| 					delete(self.transactionQueue, id)
 | |
| 				}
 | |
| 			}
 | |
| 			self.transactionMu.Unlock()
 | |
| 
 | |
| 			self.messagesMu.Lock()
 | |
| 			for id, filter := range self.messages {
 | |
| 				if time.Since(filter.activity()) > filterTickerTime {
 | |
| 					self.Whisper().Unwatch(id)
 | |
| 					delete(self.messages, id)
 | |
| 				}
 | |
| 			}
 | |
| 			self.messagesMu.Unlock()
 | |
| 		case <-self.quit:
 | |
| 			break done
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func (self *XEth) stop() {
 | |
| 	close(self.quit)
 | |
| }
 | |
| 
 | |
| func cAddress(a []string) []common.Address {
 | |
| 	bslice := make([]common.Address, len(a))
 | |
| 	for i, addr := range a {
 | |
| 		bslice[i] = common.HexToAddress(addr)
 | |
| 	}
 | |
| 	return bslice
 | |
| }
 | |
| 
 | |
| func cTopics(t [][]string) [][]common.Hash {
 | |
| 	topics := make([][]common.Hash, len(t))
 | |
| 	for i, iv := range t {
 | |
| 		topics[i] = make([]common.Hash, len(iv))
 | |
| 		for j, jv := range iv {
 | |
| 			topics[i][j] = common.HexToHash(jv)
 | |
| 		}
 | |
| 	}
 | |
| 	return topics
 | |
| }
 | |
| 
 | |
| func (self *XEth) RemoteMining() *miner.RemoteAgent { return self.agent }
 | |
| 
 | |
| func (self *XEth) AtStateNum(num int64) *XEth {
 | |
| 	var st *state.StateDB
 | |
| 	switch num {
 | |
| 	case -2:
 | |
| 		st = self.backend.Miner().PendingState().Copy()
 | |
| 	default:
 | |
| 		if block := self.getBlockByHeight(num); block != nil {
 | |
| 			st = state.New(block.Root(), self.backend.StateDb())
 | |
| 		} else {
 | |
| 			st = state.New(self.backend.ChainManager().GetBlockByNumber(0).Root(), self.backend.StateDb())
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return self.WithState(st)
 | |
| }
 | |
| 
 | |
| // applies queued transactions originating from address onto the latest state
 | |
| // and creates a block
 | |
| // only used in tests
 | |
| // - could be removed in favour of mining on testdag (natspec e2e + networking)
 | |
| // + filters
 | |
| func (self *XEth) ApplyTestTxs(statedb *state.StateDB, address common.Address, txc uint64) (uint64, *XEth) {
 | |
| 
 | |
| 	block := self.backend.ChainManager().NewBlock(address)
 | |
| 	coinbase := statedb.GetStateObject(address)
 | |
| 	coinbase.SetGasPool(big.NewInt(10000000))
 | |
| 	txs := self.backend.TxPool().GetQueuedTransactions()
 | |
| 
 | |
| 	for i := 0; i < len(txs); i++ {
 | |
| 		for _, tx := range txs {
 | |
| 			if tx.Nonce() == txc {
 | |
| 				_, _, err := core.ApplyMessage(core.NewEnv(statedb, self.backend.ChainManager(), tx, block), tx, coinbase)
 | |
| 				if err != nil {
 | |
| 					panic(err)
 | |
| 				}
 | |
| 				txc++
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	xeth := self.WithState(statedb)
 | |
| 	return txc, xeth
 | |
| }
 | |
| 
 | |
| func (self *XEth) WithState(statedb *state.StateDB) *XEth {
 | |
| 	xeth := &XEth{
 | |
| 		backend:  self.backend,
 | |
| 		frontend: self.frontend,
 | |
| 	}
 | |
| 
 | |
| 	xeth.state = NewState(xeth, statedb)
 | |
| 	return xeth
 | |
| }
 | |
| 
 | |
| func (self *XEth) State() *State { return self.state }
 | |
| 
 | |
| // subscribes to new head block events and
 | |
| // waits until blockchain height is greater n at any time
 | |
| // given the current head, waits for the next chain event
 | |
| // sets the state to the current head
 | |
| // loop is async and quit by closing the channel
 | |
| // used in tests and JS console debug module to control advancing private chain manually
 | |
| // Note: this is not threadsafe, only called in JS single process and tests
 | |
| func (self *XEth) UpdateState() (wait chan *big.Int) {
 | |
| 	wait = make(chan *big.Int)
 | |
| 	go func() {
 | |
| 		sub := self.backend.EventMux().Subscribe(core.ChainHeadEvent{})
 | |
| 		var m, n *big.Int
 | |
| 		var ok bool
 | |
| 	out:
 | |
| 		for {
 | |
| 			select {
 | |
| 			case event := <-sub.Chan():
 | |
| 				ev, ok := event.(core.ChainHeadEvent)
 | |
| 				if ok {
 | |
| 					m = ev.Block.Number()
 | |
| 					if n != nil && n.Cmp(m) < 0 {
 | |
| 						wait <- n
 | |
| 						n = nil
 | |
| 					}
 | |
| 					statedb := state.New(ev.Block.Root(), self.backend.StateDb())
 | |
| 					self.state = NewState(self, statedb)
 | |
| 				}
 | |
| 			case n, ok = <-wait:
 | |
| 				if !ok {
 | |
| 					break out
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		sub.Unsubscribe()
 | |
| 	}()
 | |
| 	return
 | |
| }
 | |
| 
 | |
| func (self *XEth) Whisper() *Whisper { return self.whisper }
 | |
| 
 | |
| func (self *XEth) getBlockByHeight(height int64) *types.Block {
 | |
| 	var num uint64
 | |
| 
 | |
| 	switch height {
 | |
| 	case -2:
 | |
| 		return self.backend.Miner().PendingBlock()
 | |
| 	case -1:
 | |
| 		return self.CurrentBlock()
 | |
| 	default:
 | |
| 		if height < 0 {
 | |
| 			return nil
 | |
| 		}
 | |
| 
 | |
| 		num = uint64(height)
 | |
| 	}
 | |
| 
 | |
| 	return self.backend.ChainManager().GetBlockByNumber(num)
 | |
| }
 | |
| 
 | |
| func (self *XEth) BlockByHash(strHash string) *Block {
 | |
| 	hash := common.HexToHash(strHash)
 | |
| 	block := self.backend.ChainManager().GetBlock(hash)
 | |
| 
 | |
| 	return NewBlock(block)
 | |
| }
 | |
| 
 | |
| func (self *XEth) EthBlockByHash(strHash string) *types.Block {
 | |
| 	hash := common.HexToHash(strHash)
 | |
| 	block := self.backend.ChainManager().GetBlock(hash)
 | |
| 
 | |
| 	return block
 | |
| }
 | |
| 
 | |
| func (self *XEth) EthTransactionByHash(hash string) (tx *types.Transaction, blhash common.Hash, blnum *big.Int, txi uint64) {
 | |
| 	// Due to increasing return params and need to determine if this is from transaction pool or
 | |
| 	// some chain, this probably needs to be refactored for more expressiveness
 | |
| 	data, _ := self.backend.ExtraDb().Get(common.FromHex(hash))
 | |
| 	if len(data) != 0 {
 | |
| 		tx = types.NewTransactionFromBytes(data)
 | |
| 	} else { // check pending transactions
 | |
| 		tx = self.backend.TxPool().GetTransaction(common.HexToHash(hash))
 | |
| 	}
 | |
| 
 | |
| 	// meta
 | |
| 	var txExtra struct {
 | |
| 		BlockHash  common.Hash
 | |
| 		BlockIndex uint64
 | |
| 		Index      uint64
 | |
| 	}
 | |
| 
 | |
| 	v, dberr := self.backend.ExtraDb().Get(append(common.FromHex(hash), 0x0001))
 | |
| 	// TODO check specifically for ErrNotFound
 | |
| 	if dberr != nil {
 | |
| 		return
 | |
| 	}
 | |
| 	r := bytes.NewReader(v)
 | |
| 	err := rlp.Decode(r, &txExtra)
 | |
| 	if err == nil {
 | |
| 		blhash = txExtra.BlockHash
 | |
| 		blnum = big.NewInt(int64(txExtra.BlockIndex))
 | |
| 		txi = txExtra.Index
 | |
| 	} else {
 | |
| 		glog.V(logger.Error).Infoln(err)
 | |
| 	}
 | |
| 
 | |
| 	return
 | |
| }
 | |
| 
 | |
| func (self *XEth) BlockByNumber(num int64) *Block {
 | |
| 	return NewBlock(self.getBlockByHeight(num))
 | |
| }
 | |
| 
 | |
| func (self *XEth) EthBlockByNumber(num int64) *types.Block {
 | |
| 	return self.getBlockByHeight(num)
 | |
| }
 | |
| 
 | |
| func (self *XEth) CurrentBlock() *types.Block {
 | |
| 	return self.backend.ChainManager().CurrentBlock()
 | |
| }
 | |
| 
 | |
| func (self *XEth) GetBlockReceipts(bhash common.Hash) (receipts types.Receipts, err error) {
 | |
| 	return self.backend.BlockProcessor().GetBlockReceipts(bhash)
 | |
| }
 | |
| 
 | |
| func (self *XEth) GetTxReceipt(txhash common.Hash) (receipt *types.Receipt, err error) {
 | |
| 	_, bhash, _, txi := self.EthTransactionByHash(common.ToHex(txhash[:]))
 | |
| 	var receipts types.Receipts
 | |
| 	receipts, err = self.backend.BlockProcessor().GetBlockReceipts(bhash)
 | |
| 	if err == nil {
 | |
| 		if txi < uint64(len(receipts)) {
 | |
| 			receipt = receipts[txi]
 | |
| 		} else {
 | |
| 			err = fmt.Errorf("Invalid tx index")
 | |
| 		}
 | |
| 	}
 | |
| 	return
 | |
| }
 | |
| 
 | |
| func (self *XEth) GasLimit() *big.Int {
 | |
| 	return self.backend.ChainManager().GasLimit()
 | |
| }
 | |
| 
 | |
| func (self *XEth) Block(v interface{}) *Block {
 | |
| 	if n, ok := v.(int32); ok {
 | |
| 		return self.BlockByNumber(int64(n))
 | |
| 	} else if str, ok := v.(string); ok {
 | |
| 		return self.BlockByHash(str)
 | |
| 	} else if f, ok := v.(float64); ok { // JSON numbers are represented as float64
 | |
| 		return self.BlockByNumber(int64(f))
 | |
| 	}
 | |
| 
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) Accounts() []string {
 | |
| 	// TODO: check err?
 | |
| 	accounts, _ := self.backend.AccountManager().Accounts()
 | |
| 	accountAddresses := make([]string, len(accounts))
 | |
| 	for i, ac := range accounts {
 | |
| 		accountAddresses[i] = ac.Address.Hex()
 | |
| 	}
 | |
| 	return accountAddresses
 | |
| }
 | |
| 
 | |
| // accessor for solidity compiler.
 | |
| // memoized if available, retried on-demand if not
 | |
| func (self *XEth) Solc() (*compiler.Solidity, error) {
 | |
| 	return self.backend.Solc()
 | |
| }
 | |
| 
 | |
| // set in js console via admin interface or wrapper from cli flags
 | |
| func (self *XEth) SetSolc(solcPath string) (*compiler.Solidity, error) {
 | |
| 	self.backend.SetSolc(solcPath)
 | |
| 	return self.Solc()
 | |
| }
 | |
| 
 | |
| // store DApp value in extra database
 | |
| func (self *XEth) DbPut(key, val []byte) bool {
 | |
| 	self.backend.ExtraDb().Put(append(dappStorePre, key...), val)
 | |
| 	return true
 | |
| }
 | |
| 
 | |
| // retrieve DApp value from extra database
 | |
| func (self *XEth) DbGet(key []byte) ([]byte, error) {
 | |
| 	val, err := self.backend.ExtraDb().Get(append(dappStorePre, key...))
 | |
| 	return val, err
 | |
| }
 | |
| 
 | |
| func (self *XEth) PeerCount() int {
 | |
| 	return self.backend.PeerCount()
 | |
| }
 | |
| 
 | |
| func (self *XEth) IsMining() bool {
 | |
| 	return self.backend.IsMining()
 | |
| }
 | |
| 
 | |
| func (self *XEth) HashRate() int64 {
 | |
| 	return self.backend.Miner().HashRate()
 | |
| }
 | |
| 
 | |
| func (self *XEth) EthVersion() string {
 | |
| 	return fmt.Sprintf("%d", self.backend.EthVersion())
 | |
| }
 | |
| 
 | |
| func (self *XEth) NetworkVersion() string {
 | |
| 	return fmt.Sprintf("%d", self.backend.NetVersion())
 | |
| }
 | |
| 
 | |
| func (self *XEth) WhisperVersion() string {
 | |
| 	return fmt.Sprintf("%d", self.backend.ShhVersion())
 | |
| }
 | |
| 
 | |
| func (self *XEth) ClientVersion() string {
 | |
| 	return self.backend.ClientVersion()
 | |
| }
 | |
| 
 | |
| func (self *XEth) SetMining(shouldmine bool, threads int) bool {
 | |
| 	ismining := self.backend.IsMining()
 | |
| 	if shouldmine && !ismining {
 | |
| 		err := self.backend.StartMining(threads)
 | |
| 		return err == nil
 | |
| 	}
 | |
| 	if ismining && !shouldmine {
 | |
| 		self.backend.StopMining()
 | |
| 	}
 | |
| 	return self.backend.IsMining()
 | |
| }
 | |
| 
 | |
| func (self *XEth) IsListening() bool {
 | |
| 	return self.backend.IsListening()
 | |
| }
 | |
| 
 | |
| func (self *XEth) Coinbase() string {
 | |
| 	eb, _ := self.backend.Etherbase()
 | |
| 	return eb.Hex()
 | |
| }
 | |
| 
 | |
| func (self *XEth) NumberToHuman(balance string) string {
 | |
| 	b := common.Big(balance)
 | |
| 
 | |
| 	return common.CurrencyToString(b)
 | |
| }
 | |
| 
 | |
| func (self *XEth) StorageAt(addr, storageAddr string) string {
 | |
| 	return common.ToHex(self.State().state.GetState(common.HexToAddress(addr), common.HexToHash(storageAddr)))
 | |
| }
 | |
| 
 | |
| func (self *XEth) BalanceAt(addr string) string {
 | |
| 	return common.ToHex(self.State().state.GetBalance(common.HexToAddress(addr)).Bytes())
 | |
| }
 | |
| 
 | |
| func (self *XEth) TxCountAt(address string) int {
 | |
| 	return int(self.State().state.GetNonce(common.HexToAddress(address)))
 | |
| }
 | |
| 
 | |
| func (self *XEth) CodeAt(address string) string {
 | |
| 	return common.ToHex(self.State().state.GetCode(common.HexToAddress(address)))
 | |
| }
 | |
| 
 | |
| func (self *XEth) CodeAtBytes(address string) []byte {
 | |
| 	return self.State().SafeGet(address).Code()
 | |
| }
 | |
| 
 | |
| func (self *XEth) IsContract(address string) bool {
 | |
| 	return len(self.State().SafeGet(address).Code()) > 0
 | |
| }
 | |
| 
 | |
| func (self *XEth) SecretToAddress(key string) string {
 | |
| 	pair, err := crypto.NewKeyPairFromSec(common.FromHex(key))
 | |
| 	if err != nil {
 | |
| 		return ""
 | |
| 	}
 | |
| 
 | |
| 	return common.ToHex(pair.Address())
 | |
| }
 | |
| 
 | |
| func (self *XEth) UninstallFilter(id int) bool {
 | |
| 	defer self.filterManager.UninstallFilter(id)
 | |
| 
 | |
| 	if _, ok := self.logQueue[id]; ok {
 | |
| 		self.logMu.Lock()
 | |
| 		defer self.logMu.Unlock()
 | |
| 		delete(self.logQueue, id)
 | |
| 		return true
 | |
| 	}
 | |
| 	if _, ok := self.blockQueue[id]; ok {
 | |
| 		self.blockMu.Lock()
 | |
| 		defer self.blockMu.Unlock()
 | |
| 		delete(self.blockQueue, id)
 | |
| 		return true
 | |
| 	}
 | |
| 	if _, ok := self.transactionQueue[id]; ok {
 | |
| 		self.transactionMu.Lock()
 | |
| 		defer self.transactionMu.Unlock()
 | |
| 		delete(self.transactionQueue, id)
 | |
| 		return true
 | |
| 	}
 | |
| 
 | |
| 	return false
 | |
| }
 | |
| 
 | |
| func (self *XEth) NewLogFilter(earliest, latest int64, skip, max int, address []string, topics [][]string) int {
 | |
| 	var id int
 | |
| 	filter := core.NewFilter(self.backend)
 | |
| 	filter.SetEarliestBlock(earliest)
 | |
| 	filter.SetLatestBlock(latest)
 | |
| 	filter.SetSkip(skip)
 | |
| 	filter.SetMax(max)
 | |
| 	filter.SetAddress(cAddress(address))
 | |
| 	filter.SetTopics(cTopics(topics))
 | |
| 	filter.LogsCallback = func(logs state.Logs) {
 | |
| 		self.logMu.Lock()
 | |
| 		defer self.logMu.Unlock()
 | |
| 
 | |
| 		self.logQueue[id].add(logs...)
 | |
| 	}
 | |
| 	id = self.filterManager.InstallFilter(filter)
 | |
| 	self.logQueue[id] = &logQueue{timeout: time.Now()}
 | |
| 
 | |
| 	return id
 | |
| }
 | |
| 
 | |
| func (self *XEth) NewTransactionFilter() int {
 | |
| 	var id int
 | |
| 	filter := core.NewFilter(self.backend)
 | |
| 	filter.TransactionCallback = func(tx *types.Transaction) {
 | |
| 		self.transactionMu.Lock()
 | |
| 		defer self.transactionMu.Unlock()
 | |
| 
 | |
| 		self.transactionQueue[id].add(tx.Hash())
 | |
| 	}
 | |
| 	id = self.filterManager.InstallFilter(filter)
 | |
| 	self.transactionQueue[id] = &hashQueue{timeout: time.Now()}
 | |
| 	return id
 | |
| }
 | |
| 
 | |
| func (self *XEth) NewBlockFilter() int {
 | |
| 	var id int
 | |
| 	filter := core.NewFilter(self.backend)
 | |
| 	filter.BlockCallback = func(block *types.Block, logs state.Logs) {
 | |
| 		self.blockMu.Lock()
 | |
| 		defer self.blockMu.Unlock()
 | |
| 
 | |
| 		self.blockQueue[id].add(block.Hash())
 | |
| 	}
 | |
| 	id = self.filterManager.InstallFilter(filter)
 | |
| 	self.blockQueue[id] = &hashQueue{timeout: time.Now()}
 | |
| 	return id
 | |
| }
 | |
| 
 | |
| func (self *XEth) GetFilterType(id int) byte {
 | |
| 	if _, ok := self.blockQueue[id]; ok {
 | |
| 		return BlockFilterTy
 | |
| 	} else if _, ok := self.transactionQueue[id]; ok {
 | |
| 		return TransactionFilterTy
 | |
| 	} else if _, ok := self.logQueue[id]; ok {
 | |
| 		return LogFilterTy
 | |
| 	}
 | |
| 
 | |
| 	return UnknownFilterTy
 | |
| }
 | |
| 
 | |
| func (self *XEth) LogFilterChanged(id int) state.Logs {
 | |
| 	self.logMu.Lock()
 | |
| 	defer self.logMu.Unlock()
 | |
| 
 | |
| 	if self.logQueue[id] != nil {
 | |
| 		return self.logQueue[id].get()
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) BlockFilterChanged(id int) []common.Hash {
 | |
| 	self.blockMu.Lock()
 | |
| 	defer self.blockMu.Unlock()
 | |
| 
 | |
| 	if self.blockQueue[id] != nil {
 | |
| 		return self.blockQueue[id].get()
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) TransactionFilterChanged(id int) []common.Hash {
 | |
| 	self.blockMu.Lock()
 | |
| 	defer self.blockMu.Unlock()
 | |
| 
 | |
| 	if self.transactionQueue[id] != nil {
 | |
| 		return self.transactionQueue[id].get()
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) Logs(id int) state.Logs {
 | |
| 	self.logMu.Lock()
 | |
| 	defer self.logMu.Unlock()
 | |
| 
 | |
| 	filter := self.filterManager.GetFilter(id)
 | |
| 	if filter != nil {
 | |
| 		return filter.Find()
 | |
| 	}
 | |
| 
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) AllLogs(earliest, latest int64, skip, max int, address []string, topics [][]string) state.Logs {
 | |
| 	filter := core.NewFilter(self.backend)
 | |
| 	filter.SetEarliestBlock(earliest)
 | |
| 	filter.SetLatestBlock(latest)
 | |
| 	filter.SetSkip(skip)
 | |
| 	filter.SetMax(max)
 | |
| 	filter.SetAddress(cAddress(address))
 | |
| 	filter.SetTopics(cTopics(topics))
 | |
| 
 | |
| 	return filter.Find()
 | |
| }
 | |
| 
 | |
| // NewWhisperFilter creates and registers a new message filter to watch for
 | |
| // inbound whisper messages. All parameters at this point are assumed to be
 | |
| // HEX encoded.
 | |
| func (p *XEth) NewWhisperFilter(to, from string, topics [][]string) int {
 | |
| 	// Pre-define the id to be filled later
 | |
| 	var id int
 | |
| 
 | |
| 	// Callback to delegate core whisper messages to this xeth filter
 | |
| 	callback := func(msg WhisperMessage) {
 | |
| 		p.messagesMu.RLock() // Only read lock to the filter pool
 | |
| 		defer p.messagesMu.RUnlock()
 | |
| 		p.messages[id].insert(msg)
 | |
| 	}
 | |
| 	// Initialize the core whisper filter and wrap into xeth
 | |
| 	id = p.Whisper().Watch(to, from, topics, callback)
 | |
| 
 | |
| 	p.messagesMu.Lock()
 | |
| 	p.messages[id] = newWhisperFilter(id, p.Whisper())
 | |
| 	p.messagesMu.Unlock()
 | |
| 
 | |
| 	return id
 | |
| }
 | |
| 
 | |
| // UninstallWhisperFilter disables and removes an existing filter.
 | |
| func (p *XEth) UninstallWhisperFilter(id int) bool {
 | |
| 	p.messagesMu.Lock()
 | |
| 	defer p.messagesMu.Unlock()
 | |
| 
 | |
| 	if _, ok := p.messages[id]; ok {
 | |
| 		delete(p.messages, id)
 | |
| 		return true
 | |
| 	}
 | |
| 	return false
 | |
| }
 | |
| 
 | |
| // WhisperMessages retrieves all the known messages that match a specific filter.
 | |
| func (self *XEth) WhisperMessages(id int) []WhisperMessage {
 | |
| 	self.messagesMu.RLock()
 | |
| 	defer self.messagesMu.RUnlock()
 | |
| 
 | |
| 	if self.messages[id] != nil {
 | |
| 		return self.messages[id].messages()
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| // WhisperMessagesChanged retrieves all the new messages matched by a filter
 | |
| // since the last retrieval
 | |
| func (self *XEth) WhisperMessagesChanged(id int) []WhisperMessage {
 | |
| 	self.messagesMu.RLock()
 | |
| 	defer self.messagesMu.RUnlock()
 | |
| 
 | |
| 	if self.messages[id] != nil {
 | |
| 		return self.messages[id].retrieve()
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| // func (self *XEth) Register(args string) bool {
 | |
| // 	self.regmut.Lock()
 | |
| // 	defer self.regmut.Unlock()
 | |
| 
 | |
| // 	if _, ok := self.register[args]; ok {
 | |
| // 		self.register[args] = nil // register with empty
 | |
| // 	}
 | |
| // 	return true
 | |
| // }
 | |
| 
 | |
| // func (self *XEth) Unregister(args string) bool {
 | |
| // 	self.regmut.Lock()
 | |
| // 	defer self.regmut.Unlock()
 | |
| 
 | |
| // 	if _, ok := self.register[args]; ok {
 | |
| // 		delete(self.register, args)
 | |
| // 		return true
 | |
| // 	}
 | |
| 
 | |
| // 	return false
 | |
| // }
 | |
| 
 | |
| // // TODO improve return type
 | |
| // func (self *XEth) PullWatchTx(args string) []*interface{} {
 | |
| // 	self.regmut.Lock()
 | |
| // 	defer self.regmut.Unlock()
 | |
| 
 | |
| // 	txs := self.register[args]
 | |
| // 	self.register[args] = nil
 | |
| 
 | |
| // 	return txs
 | |
| // }
 | |
| 
 | |
| type KeyVal struct {
 | |
| 	Key   string `json:"key"`
 | |
| 	Value string `json:"value"`
 | |
| }
 | |
| 
 | |
| func (self *XEth) EachStorage(addr string) string {
 | |
| 	var values []KeyVal
 | |
| 	object := self.State().SafeGet(addr)
 | |
| 	it := object.Trie().Iterator()
 | |
| 	for it.Next() {
 | |
| 		values = append(values, KeyVal{common.ToHex(object.Trie().GetKey(it.Key)), common.ToHex(it.Value)})
 | |
| 	}
 | |
| 
 | |
| 	valuesJson, err := json.Marshal(values)
 | |
| 	if err != nil {
 | |
| 		return ""
 | |
| 	}
 | |
| 
 | |
| 	return string(valuesJson)
 | |
| }
 | |
| 
 | |
| func (self *XEth) ToAscii(str string) string {
 | |
| 	padded := common.RightPadBytes([]byte(str), 32)
 | |
| 
 | |
| 	return "0x" + common.ToHex(padded)
 | |
| }
 | |
| 
 | |
| func (self *XEth) FromAscii(str string) string {
 | |
| 	if common.IsHex(str) {
 | |
| 		str = str[2:]
 | |
| 	}
 | |
| 
 | |
| 	return string(bytes.Trim(common.FromHex(str), "\x00"))
 | |
| }
 | |
| 
 | |
| func (self *XEth) FromNumber(str string) string {
 | |
| 	if common.IsHex(str) {
 | |
| 		str = str[2:]
 | |
| 	}
 | |
| 
 | |
| 	return common.BigD(common.FromHex(str)).String()
 | |
| }
 | |
| 
 | |
| func (self *XEth) PushTx(encodedTx string) (string, error) {
 | |
| 	tx := types.NewTransactionFromBytes(common.FromHex(encodedTx))
 | |
| 	err := self.backend.TxPool().Add(tx)
 | |
| 	if err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 
 | |
| 	if tx.To() == nil {
 | |
| 		addr := core.AddressFromMessage(tx)
 | |
| 		return addr.Hex(), nil
 | |
| 	}
 | |
| 	return tx.Hash().Hex(), nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, string, error) {
 | |
| 	statedb := self.State().State().Copy()
 | |
| 	var from *state.StateObject
 | |
| 	if len(fromStr) == 0 {
 | |
| 		accounts, err := self.backend.AccountManager().Accounts()
 | |
| 		if err != nil || len(accounts) == 0 {
 | |
| 			from = statedb.GetOrNewStateObject(common.Address{})
 | |
| 		} else {
 | |
| 			from = statedb.GetOrNewStateObject(accounts[0].Address)
 | |
| 		}
 | |
| 	} else {
 | |
| 		from = statedb.GetOrNewStateObject(common.HexToAddress(fromStr))
 | |
| 	}
 | |
| 
 | |
| 	from.SetBalance(common.MaxBig)
 | |
| 	from.SetGasPool(self.backend.ChainManager().GasLimit())
 | |
| 	msg := callmsg{
 | |
| 		from:     from,
 | |
| 		to:       common.HexToAddress(toStr),
 | |
| 		gas:      common.Big(gasStr),
 | |
| 		gasPrice: common.Big(gasPriceStr),
 | |
| 		value:    common.Big(valueStr),
 | |
| 		data:     common.FromHex(dataStr),
 | |
| 	}
 | |
| 
 | |
| 	if msg.gas.Cmp(big.NewInt(0)) == 0 {
 | |
| 		msg.gas = DefaultGas()
 | |
| 	}
 | |
| 
 | |
| 	if msg.gasPrice.Cmp(big.NewInt(0)) == 0 {
 | |
| 		msg.gasPrice = DefaultGasPrice()
 | |
| 	}
 | |
| 
 | |
| 	block := self.CurrentBlock()
 | |
| 	vmenv := core.NewEnv(statedb, self.backend.ChainManager(), msg, block)
 | |
| 
 | |
| 	res, gas, err := core.ApplyMessage(vmenv, msg, from)
 | |
| 	return common.ToHex(res), gas.String(), err
 | |
| }
 | |
| 
 | |
| func (self *XEth) ConfirmTransaction(tx string) bool {
 | |
| 	return self.frontend.ConfirmTransaction(tx)
 | |
| }
 | |
| 
 | |
| func (self *XEth) doSign(from common.Address, hash common.Hash, didUnlock bool) ([]byte, error) {
 | |
| 	sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from}, hash.Bytes())
 | |
| 	if err == accounts.ErrLocked {
 | |
| 		if didUnlock {
 | |
| 			return nil, fmt.Errorf("signer account still locked after successful unlock")
 | |
| 		}
 | |
| 		if !self.frontend.UnlockAccount(from.Bytes()) {
 | |
| 			return nil, fmt.Errorf("could not unlock signer account")
 | |
| 		}
 | |
| 		// retry signing, the account should now be unlocked.
 | |
| 		return self.doSign(from, hash, true)
 | |
| 	} else if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	return sig, nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) {
 | |
| 	var (
 | |
| 		from = common.HexToAddress(fromStr)
 | |
| 		hash = common.HexToHash(hashStr)
 | |
| 	)
 | |
| 	sig, err := self.doSign(from, hash, didUnlock)
 | |
| 	if err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 	return common.ToHex(sig), nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
 | |
| 
 | |
| 	// this minimalistic recoding is enough (works for natspec.js)
 | |
| 	var jsontx = fmt.Sprintf(`{"params":[{"to":"%s","data": "%s"}]}`, toStr, codeStr)
 | |
| 	if !self.ConfirmTransaction(jsontx) {
 | |
| 		err := fmt.Errorf("Transaction not confirmed")
 | |
| 		return "", err
 | |
| 	}
 | |
| 
 | |
| 	var (
 | |
| 		from             = common.HexToAddress(fromStr)
 | |
| 		to               = common.HexToAddress(toStr)
 | |
| 		value            = common.Big(valueStr)
 | |
| 		gas              = common.Big(gasStr)
 | |
| 		price            = common.Big(gasPriceStr)
 | |
| 		data             []byte
 | |
| 		contractCreation bool
 | |
| 	)
 | |
| 
 | |
| 	// 2015-05-18 Is this still needed?
 | |
| 	// TODO if no_private_key then
 | |
| 	//if _, exists := p.register[args.From]; exists {
 | |
| 	//	p.register[args.From] = append(p.register[args.From], args)
 | |
| 	//} else {
 | |
| 	/*
 | |
| 		account := accounts.Get(common.FromHex(args.From))
 | |
| 		if account != nil {
 | |
| 			if account.Unlocked() {
 | |
| 				if !unlockAccount(account) {
 | |
| 					return
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			result, _ := account.Transact(common.FromHex(args.To), common.FromHex(args.Value), common.FromHex(args.Gas), common.FromHex(args.GasPrice), common.FromHex(args.Data))
 | |
| 			if len(result) > 0 {
 | |
| 				*reply = common.ToHex(result)
 | |
| 			}
 | |
| 		} else if _, exists := p.register[args.From]; exists {
 | |
| 			p.register[ags.From] = append(p.register[args.From], args)
 | |
| 		}
 | |
| 	*/
 | |
| 
 | |
| 	// TODO: align default values to have the same type, e.g. not depend on
 | |
| 	// common.Value conversions later on
 | |
| 	if gas.Cmp(big.NewInt(0)) == 0 {
 | |
| 		gas = DefaultGas()
 | |
| 	}
 | |
| 
 | |
| 	if price.Cmp(big.NewInt(0)) == 0 {
 | |
| 		price = DefaultGasPrice()
 | |
| 	}
 | |
| 
 | |
| 	data = common.FromHex(codeStr)
 | |
| 	if len(toStr) == 0 {
 | |
| 		contractCreation = true
 | |
| 	}
 | |
| 
 | |
| 	var tx *types.Transaction
 | |
| 	if contractCreation {
 | |
| 		tx = types.NewContractCreationTx(value, gas, price, data)
 | |
| 	} else {
 | |
| 		tx = types.NewTransactionMessage(to, value, gas, price, data)
 | |
| 	}
 | |
| 
 | |
| 	state := self.backend.TxPool().State()
 | |
| 
 | |
| 	var nonce uint64
 | |
| 	if len(nonceStr) != 0 {
 | |
| 		nonce = common.Big(nonceStr).Uint64()
 | |
| 	} else {
 | |
| 		nonce = state.GetNonce(from)
 | |
| 	}
 | |
| 	tx.SetNonce(nonce)
 | |
| 
 | |
| 	if err := self.sign(tx, from, false); err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 	if err := self.backend.TxPool().Add(tx); err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 	state.SetNonce(from, nonce+1)
 | |
| 
 | |
| 	if contractCreation {
 | |
| 		addr := core.AddressFromMessage(tx)
 | |
| 		glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
 | |
| 
 | |
| 		return core.AddressFromMessage(tx).Hex(), nil
 | |
| 	} else {
 | |
| 		glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
 | |
| 	}
 | |
| 	return tx.Hash().Hex(), nil
 | |
| }
 | |
| 
 | |
| func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error {
 | |
| 	hash := tx.Hash()
 | |
| 	sig, err := self.doSign(from, hash, didUnlock)
 | |
| 	if err != nil {
 | |
| 		return err
 | |
| 	}
 | |
| 	tx.SetSignatureValues(sig)
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| // callmsg is the message type used for call transations.
 | |
| type callmsg struct {
 | |
| 	from          *state.StateObject
 | |
| 	to            common.Address
 | |
| 	gas, gasPrice *big.Int
 | |
| 	value         *big.Int
 | |
| 	data          []byte
 | |
| }
 | |
| 
 | |
| // accessor boilerplate to implement core.Message
 | |
| func (m callmsg) From() (common.Address, error) { return m.from.Address(), nil }
 | |
| func (m callmsg) Nonce() uint64                 { return m.from.Nonce() }
 | |
| func (m callmsg) To() *common.Address           { return &m.to }
 | |
| func (m callmsg) GasPrice() *big.Int            { return m.gasPrice }
 | |
| func (m callmsg) Gas() *big.Int                 { return m.gas }
 | |
| func (m callmsg) Value() *big.Int               { return m.value }
 | |
| func (m callmsg) Data() []byte                  { return m.data }
 | |
| 
 | |
| type logQueue struct {
 | |
| 	logs    state.Logs
 | |
| 	timeout time.Time
 | |
| 	id      int
 | |
| }
 | |
| 
 | |
| func (l *logQueue) add(logs ...*state.Log) {
 | |
| 	l.logs = append(l.logs, logs...)
 | |
| }
 | |
| 
 | |
| func (l *logQueue) get() state.Logs {
 | |
| 	l.timeout = time.Now()
 | |
| 	tmp := l.logs
 | |
| 	l.logs = nil
 | |
| 	return tmp
 | |
| }
 | |
| 
 | |
| type hashQueue struct {
 | |
| 	hashes  []common.Hash
 | |
| 	timeout time.Time
 | |
| 	id      int
 | |
| }
 | |
| 
 | |
| func (l *hashQueue) add(hashes ...common.Hash) {
 | |
| 	l.hashes = append(l.hashes, hashes...)
 | |
| }
 | |
| 
 | |
| func (l *hashQueue) get() []common.Hash {
 | |
| 	l.timeout = time.Now()
 | |
| 	tmp := l.hashes
 | |
| 	l.hashes = nil
 | |
| 	return tmp
 | |
| }
 |