From d701b232304149f5e9035213d1710ab71cc4a01d Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 15 Aug 2014 13:05:13 +0200 Subject: [PATCH] Reworking the public js interface (pub) => (pipe) --- ethpipe/js_pipe.go | 168 +++++++++++++++++++++++++++++++++++++++++ ethpipe/js_types.go | 177 ++++++++++++++++++++++++++++++++++++++++++++ ethpipe/world.go | 4 + ethpub/pub.go | 6 -- 4 files changed, 349 insertions(+), 6 deletions(-) create mode 100644 ethpipe/js_pipe.go create mode 100644 ethpipe/js_types.go diff --git a/ethpipe/js_pipe.go b/ethpipe/js_pipe.go new file mode 100644 index 000000000..a2d3fdf10 --- /dev/null +++ b/ethpipe/js_pipe.go @@ -0,0 +1,168 @@ +package ethpipe + +import ( + "encoding/json" + "sync/atomic" + + "github.com/ethereum/eth-go/ethchain" + "github.com/ethereum/eth-go/ethcrypto" + "github.com/ethereum/eth-go/ethutil" +) + +type JSPipe struct { + *Pipe +} + +func NewJSPipe(eth ethchain.EthManager) *JSPipe { + return &JSPipe{New(eth)} +} + +func (self *JSPipe) GetBlockByHash(strHash string) *JSBlock { + hash := ethutil.Hex2Bytes(strHash) + block := self.obj.BlockChain().GetBlock(hash) + + return NewJSBlock(block) +} + +func (self *JSPipe) GetKey() *JSKey { + return NewJSKey(self.obj.KeyManager().KeyPair()) +} + +func (self *JSPipe) GetStateObject(addr string) *JSObject { + object := &Object{self.World().safeGet(ethutil.Hex2Bytes(addr))} + + return NewJSObject(object) +} + +func (self *JSPipe) GetPeerCount() int { + return self.obj.PeerCount() +} + +func (self *JSPipe) GetPeers() []JSPeer { + var peers []JSPeer + for peer := self.obj.Peers().Front(); peer != nil; peer = peer.Next() { + p := peer.Value.(ethchain.Peer) + // we only want connected peers + if atomic.LoadInt32(p.Connected()) != 0 { + peers = append(peers, *NewJSPeer(p)) + } + } + + return peers +} + +func (self *JSPipe) GetIsMining() bool { + return self.obj.IsMining() +} + +func (self *JSPipe) GetIsListening() bool { + return self.obj.IsListening() +} + +func (self *JSPipe) GetCoinBase() string { + return ethutil.Bytes2Hex(self.obj.KeyManager().Address()) +} + +func (self *JSPipe) GetStorage(addr, storageAddr string) string { + return self.World().SafeGet(ethutil.Hex2Bytes(addr)).Storage(ethutil.Hex2Bytes(storageAddr)).Str() +} + +func (self *JSPipe) GetTxCountAt(address string) int { + return int(self.World().SafeGet(ethutil.Hex2Bytes(address)).Nonce) +} + +func (self *JSPipe) IsContract(address string) bool { + return len(self.World().SafeGet(ethutil.Hex2Bytes(address)).Code) > 0 +} + +func (self *JSPipe) SecretToAddress(key string) string { + pair, err := ethcrypto.NewKeyPairFromSec(ethutil.Hex2Bytes(key)) + if err != nil { + return "" + } + + return ethutil.Bytes2Hex(pair.Address()) +} + +type KeyVal struct { + Key string `json:"key"` + Value string `json:"value"` +} + +func (self *JSPipe) GetEachStorage(addr string) string { + var values []KeyVal + object := self.World().SafeGet(ethutil.Hex2Bytes(addr)) + object.EachStorage(func(name string, value *ethutil.Value) { + value.Decode() + values = append(values, KeyVal{ethutil.Bytes2Hex([]byte(name)), ethutil.Bytes2Hex(value.Bytes())}) + }) + + valuesJson, err := json.Marshal(values) + if err != nil { + return "" + } + + return string(valuesJson) +} + +func (self *JSPipe) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (*JSReceipt, error) { + var hash []byte + var contractCreation bool + if len(toStr) == 0 { + contractCreation = true + } else { + // Check if an address is stored by this address + addr := self.World().Config().Get("NameReg").StorageString(toStr).Bytes() + if len(addr) > 0 { + hash = addr + } else { + hash = ethutil.Hex2Bytes(toStr) + } + } + + var keyPair *ethcrypto.KeyPair + var err error + if ethutil.IsHex(key) { + keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key[2:]))) + } else { + keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key))) + } + + if err != nil { + return nil, err + } + + var ( + value = ethutil.Big(valueStr) + gas = ethutil.Big(gasStr) + gasPrice = ethutil.Big(gasPriceStr) + data []byte + tx *ethchain.Transaction + ) + + if ethutil.IsHex(codeStr) { + data = ethutil.Hex2Bytes(codeStr[2:]) + } else { + data = ethutil.Hex2Bytes(codeStr) + } + + if contractCreation { + tx = ethchain.NewContractCreationTx(value, gas, gasPrice, data) + } else { + tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data) + } + + acc := self.obj.StateManager().TransState().GetOrNewStateObject(keyPair.Address()) + tx.Nonce = acc.Nonce + acc.Nonce += 1 + self.obj.StateManager().TransState().UpdateStateObject(acc) + + tx.Sign(keyPair.PrivateKey) + self.obj.TxPool().QueueTransaction(tx) + + if contractCreation { + logger.Infof("Contract addr %x", tx.CreationAddress()) + } + + return NewJSReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil +} diff --git a/ethpipe/js_types.go b/ethpipe/js_types.go new file mode 100644 index 000000000..e1743486b --- /dev/null +++ b/ethpipe/js_types.go @@ -0,0 +1,177 @@ +package ethpipe + +import ( + "encoding/json" + "strconv" + "strings" + + "github.com/ethereum/eth-go/ethchain" + "github.com/ethereum/eth-go/ethcrypto" + "github.com/ethereum/eth-go/ethutil" +) + +// Block interface exposed to QML +type JSBlock struct { + ref *ethchain.Block + Number int `json:"number"` + Hash string `json:"hash"` + Transactions string `json:"transactions"` + Time int64 `json:"time"` + Coinbase string `json:"coinbase"` + Name string `json:"name"` + GasLimit string `json:"gasLimit"` + GasUsed string `json:"gasUsed"` +} + +// Creates a new QML Block from a chain block +func NewJSBlock(block *ethchain.Block) *JSBlock { + if block == nil { + return nil + } + + var ptxs []JSTransaction + for _, tx := range block.Transactions() { + ptxs = append(ptxs, *NewJSTx(tx)) + } + + txJson, err := json.Marshal(ptxs) + if err != nil { + return nil + } + + return &JSBlock{ref: block, Number: int(block.Number.Uint64()), GasUsed: block.GasUsed.String(), GasLimit: block.GasLimit.String(), Hash: ethutil.Bytes2Hex(block.Hash()), Transactions: string(txJson), Time: block.Time, Coinbase: ethutil.Bytes2Hex(block.Coinbase)} +} + +func (self *JSBlock) ToString() string { + if self.ref != nil { + return self.ref.String() + } + + return "" +} + +func (self *JSBlock) GetTransaction(hash string) *JSTransaction { + tx := self.ref.GetTransaction(ethutil.Hex2Bytes(hash)) + if tx == nil { + return nil + } + + return NewJSTx(tx) +} + +type JSTransaction struct { + ref *ethchain.Transaction + + Value string `json:"value"` + Gas string `json:"gas"` + GasPrice string `json:"gasPrice"` + Hash string `json:"hash"` + Address string `json:"address"` + Sender string `json:"sender"` + RawData string `json:"rawData"` + Data string `json:"data"` + Contract bool `json:"isContract"` + CreatesContract bool `json:"createsContract"` + Confirmations int `json:"confirmations"` +} + +func NewJSTx(tx *ethchain.Transaction) *JSTransaction { + hash := ethutil.Bytes2Hex(tx.Hash()) + receiver := ethutil.Bytes2Hex(tx.Recipient) + if receiver == "0000000000000000000000000000000000000000" { + receiver = ethutil.Bytes2Hex(tx.CreationAddress()) + } + sender := ethutil.Bytes2Hex(tx.Sender()) + createsContract := tx.CreatesContract() + + var data string + if tx.CreatesContract() { + data = strings.Join(ethchain.Disassemble(tx.Data), "\n") + } else { + data = ethutil.Bytes2Hex(tx.Data) + } + + return &JSTransaction{ref: tx, Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: receiver, Contract: tx.CreatesContract(), Gas: tx.Gas.String(), GasPrice: tx.GasPrice.String(), Data: data, Sender: sender, CreatesContract: createsContract, RawData: ethutil.Bytes2Hex(tx.Data)} +} + +func (self *JSTransaction) ToString() string { + return self.ref.String() +} + +type JSKey struct { + Address string `json:"address"` + PrivateKey string `json:"privateKey"` + PublicKey string `json:"publicKey"` +} + +func NewJSKey(key *ethcrypto.KeyPair) *JSKey { + return &JSKey{ethutil.Bytes2Hex(key.Address()), ethutil.Bytes2Hex(key.PrivateKey), ethutil.Bytes2Hex(key.PublicKey)} +} + +type JSObject struct { + *Object +} + +func NewJSObject(object *Object) *JSObject { + return &JSObject{object} +} + +type PReceipt struct { + CreatedContract bool `json:"createdContract"` + Address string `json:"address"` + Hash string `json:"hash"` + Sender string `json:"sender"` +} + +func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) *PReceipt { + return &PReceipt{ + contractCreation, + ethutil.Bytes2Hex(creationAddress), + ethutil.Bytes2Hex(hash), + ethutil.Bytes2Hex(address), + } +} + +// Peer interface exposed to QML + +type JSPeer struct { + ref *ethchain.Peer + Inbound bool `json:"isInbound"` + LastSend int64 `json:"lastSend"` + LastPong int64 `json:"lastPong"` + Ip string `json:"ip"` + Port int `json:"port"` + Version string `json:"version"` + LastResponse string `json:"lastResponse"` + Latency string `json:"latency"` +} + +func NewJSPeer(peer ethchain.Peer) *JSPeer { + if peer == nil { + return nil + } + + var ip []string + for _, i := range peer.Host() { + ip = append(ip, strconv.Itoa(int(i))) + } + ipAddress := strings.Join(ip, ".") + + return &JSPeer{ref: &peer, Inbound: peer.Inbound(), LastSend: peer.LastSend().Unix(), LastPong: peer.LastPong(), Version: peer.Version(), Ip: ipAddress, Port: int(peer.Port()), Latency: peer.PingTime()} +} + +type JSReceipt struct { + CreatedContract bool `json:"createdContract"` + Address string `json:"address"` + Hash string `json:"hash"` + Sender string `json:"sender"` +} + +func NewJSReciept(contractCreation bool, creationAddress, hash, address []byte) *JSReceipt { + return &JSReceipt{ + contractCreation, + ethutil.Bytes2Hex(creationAddress), + ethutil.Bytes2Hex(hash), + ethutil.Bytes2Hex(address), + } +} diff --git a/ethpipe/world.go b/ethpipe/world.go index 72e116d09..4666362f9 100644 --- a/ethpipe/world.go +++ b/ethpipe/world.go @@ -30,6 +30,10 @@ func (self *World) Get(addr []byte) *Object { return &Object{self.State().GetStateObject(addr)} } +func (self *World) SafeGet(addr []byte) *Object { + return &Object{self.safeGet(addr)} +} + func (self *World) safeGet(addr []byte) *ethstate.StateObject { object := self.State().GetStateObject(addr) if object == nil { diff --git a/ethpub/pub.go b/ethpub/pub.go index 762c9a60f..64c08c2f1 100644 --- a/ethpub/pub.go +++ b/ethpub/pub.go @@ -52,12 +52,6 @@ type PEthereum struct { keyManager *ethcrypto.KeyManager } -func NewPEthereum(manager ethchain.EthManager) *PEthereum { - logger.Warnln("DEPRECATED: ethpub.New should be used in favour of ethpub.NewPEthereum") - - return New(manager) -} - func New(manager ethchain.EthManager) *PEthereum { return &PEthereum{ manager,