forked from cerc-io/plugeth
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@ -6,7 +6,7 @@ Ethereum
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Ethereum Go Development package (C) Jeffrey Wilcke
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Ethereum is currently in its testing phase. The current state is "Proof
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of Concept 2". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Edge).
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of Concept 3". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)).
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Ethereum Go is split up in several sub packages Please refer to each
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individual package for more information.
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@ -35,7 +35,7 @@ get a node and connectivity going.
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Build
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=======
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This is the Developer package. For the development client please see
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This is the Developer package. For the Ethereal client please see
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[Ethereum(G)](https://github.com/ethereum/go-ethereum).
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`go get -u github.com/ethereum/eth-go`
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@ -11,7 +11,7 @@ import (
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)
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type PoW interface {
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Search(block *Block, breakChan chan bool) []byte
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Search(block *Block, minerChan chan ethutil.React) []byte
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Verify(hash []byte, diff *big.Int, nonce []byte) bool
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}
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@ -19,19 +19,32 @@ type EasyPow struct {
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hash *big.Int
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}
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func (pow *EasyPow) Search(block *Block, breakChan chan bool) []byte {
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func (pow *EasyPow) Search(block *Block, minerChan chan ethutil.React) []byte {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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hash := block.HashNoNonce()
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diff := block.Difficulty
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i := int64(0)
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start := time.Now().UnixNano()
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for {
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select {
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case shouldbreak := <-breakChan:
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if shouldbreak {
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log.Println("Got signal: Breaking out mining.")
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case chanMessage := <-minerChan:
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if _, ok := chanMessage.Resource.(*Block); ok {
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log.Println("BREAKING OUT: BLOCK")
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return nil
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}
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if _, ok := chanMessage.Resource.(*Transaction); ok {
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log.Println("BREAKING OUT: TX")
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return nil
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}
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default:
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i++
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if i%1234567 == 0 {
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elapsed := time.Now().UnixNano() - start
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hashes := ((float64(1e9) / float64(elapsed)) * float64(i)) / 1000
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log.Println("Hashing @", int64(hashes), "khash")
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}
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sha := ethutil.Sha3Bin(big.NewInt(r.Int63()).Bytes())
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if pow.Verify(hash, diff, sha) {
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return sha
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74
ethchain/keypair.go
Normal file
74
ethchain/keypair.go
Normal file
@ -0,0 +1,74 @@
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package ethchain
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import (
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"github.com/ethereum/eth-go/ethutil"
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"math/big"
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)
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type KeyPair struct {
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PrivateKey []byte
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PublicKey []byte
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// The associated account
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account *Account
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state *State
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}
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func NewKeyPairFromValue(val *ethutil.Value) *KeyPair {
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keyPair := &KeyPair{PrivateKey: val.Get(0).Bytes(), PublicKey: val.Get(1).Bytes()}
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return keyPair
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}
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func (k *KeyPair) Address() []byte {
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return ethutil.Sha3Bin(k.PublicKey[1:])[12:]
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}
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func (k *KeyPair) Account() *Account {
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if k.account == nil {
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k.account = k.state.GetAccount(k.Address())
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}
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return k.account
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}
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// Create transaction, creates a new and signed transaction, ready for processing
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func (k *KeyPair) CreateTx(receiver []byte, value *big.Int, data []string) *Transaction {
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tx := NewTransaction(receiver, value, data)
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tx.Nonce = k.account.Nonce
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// Sign the transaction with the private key in this key chain
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tx.Sign(k.PrivateKey)
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return tx
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}
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func (k *KeyPair) RlpEncode() []byte {
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return ethutil.EmptyValue().Append(k.PrivateKey).Append(k.PublicKey).Encode()
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}
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type KeyRing struct {
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keys []*KeyPair
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}
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func (k *KeyRing) Add(pair *KeyPair) {
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k.keys = append(k.keys, pair)
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}
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// The public "singleton" keyring
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var keyRing *KeyRing
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func GetKeyRing(state *State) *KeyRing {
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if keyRing == nil {
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keyRing = &KeyRing{}
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data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
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it := ethutil.NewValueFromBytes(data).NewIterator()
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for it.Next() {
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v := it.Value()
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keyRing.Add(NewKeyPairFromValue(v))
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}
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}
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return keyRing
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}
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@ -22,7 +22,6 @@ type EthManager interface {
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Reactor() *ethutil.ReactorEngine
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}
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// TODO rename to state manager
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type StateManager struct {
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// Mutex for locking the block processor. Blocks can only be handled one at a time
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mutex sync.Mutex
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51
ethereum.go
51
ethereum.go
@ -271,20 +271,45 @@ func (s *Ethereum) Start() {
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if ethutil.Config.Seed {
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ethutil.Config.Log.Debugln("Seeding")
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// Testnet seed bootstrapping
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resp, err := http.Get("https://www.ethereum.org/servers.poc3.txt")
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if err != nil {
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log.Println("Fetching seed failed:", err)
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Println("Reading seed failed:", err)
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return
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}
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// DNS Bootstrapping
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_, nodes, err := net.LookupSRV("eth", "tcp", "ethereum.org")
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if err == nil {
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peers := []string{}
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// Iterate SRV nodes
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for _, n := range nodes {
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target := n.Target
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port := strconv.Itoa(int(n.Port))
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// Resolve target to ip (Go returns list, so may resolve to multiple ips?)
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addr, err := net.LookupHost(target)
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if err == nil {
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for _, a := range addr {
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// Build string out of SRV port and Resolved IP
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peer := net.JoinHostPort(a, port)
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log.Println("Found DNS Bootstrap Peer:", peer)
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peers = append(peers, peer)
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}
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} else {
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log.Println("Couldn't resolve :", target)
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}
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}
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// Connect to Peer list
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s.ProcessPeerList(peers)
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} else {
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// Fallback to servers.poc3.txt
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resp, err := http.Get("http://www.ethereum.org/servers.poc3.txt")
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if err != nil {
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log.Println("Fetching seed failed:", err)
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Println("Reading seed failed:", err)
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return
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}
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s.ConnectToPeer(string(body))
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s.ConnectToPeer(string(body))
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}
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}
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}
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@ -219,18 +219,6 @@ func (t *Trie) UpdateState(node interface{}, key []int, value string) interface{
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}
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func (t *Trie) Put(node interface{}) interface{} {
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/*
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enc := Encode(node)
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if len(enc) >= 32 {
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var sha []byte
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sha = Sha3Bin(enc)
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//t.db.Put([]byte(sha), enc)
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return sha
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}
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return node
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*/
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/*
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TODO?
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c := Conv(t.Root)
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