roysc/plugeth
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Merge branch 'master' into develop

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This commit is contained in:
obscuren 2014-03-03 11:35:35 +01:00
commit 5b1613d65b
12 changed files with 282 additions and 133 deletions
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30
ethchain/address.go
View File

@ -5,31 +5,31 @@ import (
"math/big"
)
type Address struct {
type Account struct {
Amount *big.Int
Nonce uint64
}
func NewAddress(amount *big.Int) *Address {
return &Address{Amount: amount, Nonce: 0}
func NewAccount(amount *big.Int) *Account {
return &Account{Amount: amount, Nonce: 0}
}
func NewAddressFromData(data []byte) *Address {
address := &Address{}
func NewAccountFromData(data []byte) *Account {
address := &Account{}
address.RlpDecode(data)
return address
}
func (a *Address) AddFee(fee *big.Int) {
func (a *Account) AddFee(fee *big.Int) {
a.Amount.Add(a.Amount, fee)
}
func (a *Address) RlpEncode() []byte {
func (a *Account) RlpEncode() []byte {
return ethutil.Encode([]interface{}{a.Amount, a.Nonce})
}
func (a *Address) RlpDecode(data []byte) {
func (a *Account) RlpDecode(data []byte) {
decoder := ethutil.NewValueFromBytes(data)
a.Amount = decoder.Get(0).BigInt()
@ -37,24 +37,24 @@ func (a *Address) RlpDecode(data []byte) {
}
type AddrStateStore struct {
states map[string]*AddressState
states map[string]*AccountState
}
func NewAddrStateStore() *AddrStateStore {
return &AddrStateStore{states: make(map[string]*AddressState)}
return &AddrStateStore{states: make(map[string]*AccountState)}
}
func (s *AddrStateStore) Add(addr []byte, account *Address) *AddressState {
state := &AddressState{Nonce: account.Nonce, Account: account}
func (s *AddrStateStore) Add(addr []byte, account *Account) *AccountState {
state := &AccountState{Nonce: account.Nonce, Account: account}
s.states[string(addr)] = state
return state
}
func (s *AddrStateStore) Get(addr []byte) *AddressState {
func (s *AddrStateStore) Get(addr []byte) *AccountState {
return s.states[string(addr)]
}
type AddressState struct {
type AccountState struct {
Nonce uint64
Account *Address
Account *Account
}

90
ethchain/block.go
View File

@ -34,7 +34,8 @@ type Block struct {
// The coin base address
Coinbase []byte
// Block Trie state
state *ethutil.Trie
//state *ethutil.Trie
state *State
// Difficulty for the current block
Difficulty *big.Int
// Creation time
@ -94,7 +95,7 @@ func CreateBlock(root interface{},
block.SetTransactions(txes)
block.SetUncles([]*Block{})
block.state = ethutil.NewTrie(ethutil.Config.Db, root)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, root))
for _, tx := range txes {
block.MakeContract(tx)
@ -109,15 +110,15 @@ func (block *Block) Hash() []byte {
}
func (block *Block) HashNoNonce() []byte {
return ethutil.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Extra}))
return ethutil.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Extra}))
}
func (block *Block) PrintHash() {
fmt.Println(block)
fmt.Println(ethutil.NewValue(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Extra, block.Nonce})))
fmt.Println(ethutil.NewValue(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Extra, block.Nonce})))
}
func (block *Block) State() *ethutil.Trie {
func (block *Block) State() *State {
return block.state
}
@ -125,54 +126,8 @@ func (block *Block) Transactions() []*Transaction {
return block.transactions
}
func (block *Block) GetContract(addr []byte) *Contract {
data := block.state.Get(string(addr))
if data == "" {
return nil
}
value := ethutil.NewValueFromBytes([]byte(data))
if value.Len() == 2 {
return nil
}
contract := &Contract{}
contract.RlpDecode([]byte(data))
cachedState := block.contractStates[string(addr)]
if cachedState != nil {
contract.state = cachedState
} else {
block.contractStates[string(addr)] = contract.state
}
return contract
}
func (block *Block) UpdateContract(addr []byte, contract *Contract) {
// Make sure the state is synced
//contract.State().Sync()
block.state.Update(string(addr), string(contract.RlpEncode()))
}
func (block *Block) GetAddr(addr []byte) *Address {
var address *Address
data := block.State().Get(string(addr))
if data == "" {
address = NewAddress(big.NewInt(0))
} else {
address = NewAddressFromData([]byte(data))
}
return address
}
func (block *Block) UpdateAddr(addr []byte, address *Address) {
block.state.Update(string(addr), string(address.RlpEncode()))
}
func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
contract := block.GetContract(addr)
contract := block.state.GetContract(addr)
// If we can't pay the fee return
if contract == nil || contract.Amount.Cmp(fee) < 0 /* amount < fee */ {
fmt.Println("Contract has insufficient funds", contract.Amount, fee)
@ -182,17 +137,17 @@ func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
base := new(big.Int)
contract.Amount = base.Sub(contract.Amount, fee)
block.state.Update(string(addr), string(contract.RlpEncode()))
block.state.trie.Update(string(addr), string(contract.RlpEncode()))
data := block.state.Get(string(block.Coinbase))
data := block.state.trie.Get(string(block.Coinbase))
// Get the ether (Coinbase) and add the fee (gief fee to miner)
ether := NewAddressFromData([]byte(data))
ether := NewAccountFromData([]byte(data))
base = new(big.Int)
ether.Amount = base.Add(ether.Amount, fee)
block.state.Update(string(block.Coinbase), string(ether.RlpEncode()))
block.state.trie.Update(string(block.Coinbase), string(ether.RlpEncode()))
return true
}
@ -207,27 +162,18 @@ func (block *Block) BlockInfo() BlockInfo {
// Sync the block's state and contract respectively
func (block *Block) Sync() {
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Sync()
}
// Sync the block state itself
block.state.Sync()
}
func (block *Block) Undo() {
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Undo()
}
// Sync the block state itself
block.state.Undo()
block.state.Reset()
}
func (block *Block) MakeContract(tx *Transaction) {
contract := MakeContract(tx, NewState(block.state))
contract := MakeContract(tx, block.state)
if contract != nil {
block.contractStates[string(tx.Hash()[12:])] = contract.state
block.state.states[string(tx.Hash()[12:])] = contract.state
}
}
@ -308,7 +254,7 @@ func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Time = int64(header.Get(6).BigInt().Uint64())
@ -345,7 +291,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Time = int64(header.Get(6).BigInt().Uint64())
@ -356,7 +302,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
}
func (block *Block) String() string {
return fmt.Sprintf("Block(%x):\nPrevHash:%x\nUncleSha:%x\nCoinbase:%x\nRoot:%x\nTxSha:%x\nDiff:%v\nTime:%d\nNonce:%x\nTxs:%d\n", block.Hash(), block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Nonce, len(block.transactions))
return fmt.Sprintf("Block(%x):\nPrevHash:%x\nUncleSha:%x\nCoinbase:%x\nRoot:%x\nTxSha:%x\nDiff:%v\nTime:%d\nNonce:%x\nTxs:%d\n", block.Hash(), block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Nonce, len(block.transactions))
}
//////////// UNEXPORTED /////////////////
@ -369,7 +315,7 @@ func (block *Block) header() []interface{} {
// Coinbase address
block.Coinbase,
// root state
block.state.Root,
block.state.trie.Root,
// Sha of tx
block.TxSha,
// Current block Difficulty

2
ethchain/block_chain.go
View File

@ -39,7 +39,7 @@ func (bc *BlockChain) NewBlock(coinbase []byte, txs []*Transaction) *Block {
hash := ZeroHash256
if bc.CurrentBlock != nil {
root = bc.CurrentBlock.State().Root
root = bc.CurrentBlock.state.trie.Root
hash = bc.LastBlockHash
lastBlockTime = bc.CurrentBlock.Time
}

32
ethchain/block_manager.go
View File

@ -51,9 +51,9 @@ func AddTestNetFunds(block *Block) {
} {
//log.Println("2^200 Wei to", addr)
codedAddr, _ := hex.DecodeString(addr)
addr := block.GetAddr(codedAddr)
addr := block.state.GetAccount(codedAddr)
addr.Amount = ethutil.BigPow(2, 200)
block.UpdateAddr(codedAddr, addr)
block.state.UpdateAccount(codedAddr, addr)
}
}
@ -71,7 +71,7 @@ func NewBlockManager(speaker PublicSpeaker) *BlockManager {
if bm.bc.CurrentBlock == nil {
AddTestNetFunds(bm.bc.genesisBlock)
bm.bc.genesisBlock.State().Sync()
bm.bc.genesisBlock.state.trie.Sync()
// Prepare the genesis block
bm.bc.Add(bm.bc.genesisBlock)
@ -85,17 +85,17 @@ func NewBlockManager(speaker PublicSpeaker) *BlockManager {
}
// Watches any given address and puts it in the address state store
func (bm *BlockManager) WatchAddr(addr []byte) *AddressState {
account := bm.bc.CurrentBlock.GetAddr(addr)
func (bm *BlockManager) WatchAddr(addr []byte) *AccountState {
account := bm.bc.CurrentBlock.state.GetAccount(addr)
return bm.addrStateStore.Add(addr, account)
}
func (bm *BlockManager) GetAddrState(addr []byte) *AddressState {
func (bm *BlockManager) GetAddrState(addr []byte) *AccountState {
account := bm.addrStateStore.Get(addr)
if account == nil {
a := bm.bc.CurrentBlock.GetAddr(addr)
account = &AddressState{Nonce: a.Nonce, Account: a}
a := bm.bc.CurrentBlock.state.GetAccount(addr)
account = &AccountState{Nonce: a.Nonce, Account: a}
}
return account
@ -112,7 +112,7 @@ func (bm *BlockManager) ApplyTransactions(block *Block, txs []*Transaction) {
if tx.IsContract() {
block.MakeContract(tx)
} else {
if contract := block.GetContract(tx.Recipient); contract != nil {
if contract := block.state.GetContract(tx.Recipient); contract != nil {
bm.ProcessContract(contract, tx, block)
} else {
err := bm.TransactionPool.ProcessTransaction(tx, block)
@ -161,8 +161,8 @@ func (bm *BlockManager) ProcessBlock(block *Block) error {
return err
}
if !block.State().Cmp(bm.bc.CurrentBlock.State()) {
return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().Root, bm.bc.CurrentBlock.State().Root)
if !block.state.Cmp(bm.bc.CurrentBlock.state) {
return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().trie.Root, bm.bc.CurrentBlock.State().trie.Root)
}
// Calculate the new total difficulty and sync back to the db
@ -267,17 +267,17 @@ func CalculateUncleReward(block *Block) *big.Int {
func (bm *BlockManager) AccumelateRewards(processor *Block, block *Block) error {
// Get the coinbase rlp data
addr := processor.GetAddr(block.Coinbase)
addr := processor.state.GetAccount(block.Coinbase)
// Reward amount of ether to the coinbase address
addr.AddFee(CalculateBlockReward(block, len(block.Uncles)))
processor.UpdateAddr(block.Coinbase, addr)
processor.state.UpdateAccount(block.Coinbase, addr)
for _, uncle := range block.Uncles {
uncleAddr := processor.GetAddr(uncle.Coinbase)
uncleAddr := processor.state.GetAccount(uncle.Coinbase)
uncleAddr.AddFee(CalculateUncleReward(uncle))
processor.UpdateAddr(uncle.Coinbase, uncleAddr)
processor.state.UpdateAccount(uncle.Coinbase, uncleAddr)
}
return nil
@ -298,7 +298,7 @@ func (bm *BlockManager) ProcessContract(contract *Contract, tx *Transaction, blo
*/
vm := &Vm{}
vm.Process(contract, NewState(block.state), RuntimeVars{
vm.Process(contract, block.state, RuntimeVars{
address: tx.Hash()[12:],
blockNumber: block.BlockInfo().Number,
sender: tx.Sender(),

17
ethchain/contract.go
View File

@ -8,18 +8,19 @@ import (
type Contract struct {
Amount *big.Int
Nonce uint64
state *ethutil.Trie
//state *ethutil.Trie
state *State
}
func NewContract(Amount *big.Int, root []byte) *Contract {
contract := &Contract{Amount: Amount, Nonce: 0}
contract.state = ethutil.NewTrie(ethutil.Config.Db, string(root))
contract.state = NewState(ethutil.NewTrie(ethutil.Config.Db, string(root)))
return contract
}
func (c *Contract) RlpEncode() []byte {
return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.Root})
return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.trie.Root})
}
func (c *Contract) RlpDecode(data []byte) {
@ -27,18 +28,18 @@ func (c *Contract) RlpDecode(data []byte) {
c.Amount = decoder.Get(0).BigInt()
c.Nonce = decoder.Get(1).Uint()
c.state = ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface())
c.state = NewState(ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface()))
}
func (c *Contract) Addr(addr []byte) *ethutil.Value {
return ethutil.NewValueFromBytes([]byte(c.state.Get(string(addr))))
return ethutil.NewValueFromBytes([]byte(c.state.trie.Get(string(addr))))
}
func (c *Contract) SetAddr(addr []byte, value interface{}) {
c.state.Update(string(addr), string(ethutil.NewValue(value).Encode()))
c.state.trie.Update(string(addr), string(ethutil.NewValue(value).Encode()))
}
func (c *Contract) State() *ethutil.Trie {
func (c *Contract) State() *State {
return c.state
}
@ -59,7 +60,7 @@ func MakeContract(tx *Transaction, state *State) *Contract {
for i, val := range tx.Data {
if len(val) > 0 {
bytNum := ethutil.BigToBytes(big.NewInt(int64(i)), 256)
contract.state.Update(string(bytNum), string(ethutil.Encode(val)))
contract.state.trie.Update(string(bytNum), string(ethutil.Encode(val)))
}
}
state.trie.Update(string(addr), string(contract.RlpEncode()))

67
ethchain/state.go
View File

@ -5,12 +5,46 @@ import (
"math/big"
)
// States within the ethereum protocol are used to store anything
// within the merkle trie. States take care of caching and storing
// nested states. It's the general query interface to retrieve:
// * Contracts
// * Accounts
type State struct {
// The trie for this structure
trie *ethutil.Trie
// Nested states
states map[string]*State
}
// Create a new state from a given trie
func NewState(trie *ethutil.Trie) *State {
return &State{trie: trie}
return &State{trie: trie, states: make(map[string]*State)}
}
// Resets the trie and all siblings
func (s *State) Reset() {
s.trie.Undo()
// Reset all nested states
for _, state := range s.states {
state.Reset()
}
}
// Syncs the trie and all siblings
func (s *State) Sync() {
s.trie.Sync()
// Sync all nested states
for _, state := range s.states {
state.Sync()
}
}
// Purges the current trie.
func (s *State) Purge() int {
return s.trie.NewIterator().Purge()
}
func (s *State) GetContract(addr []byte) *Contract {
@ -19,9 +53,28 @@ func (s *State) GetContract(addr []byte) *Contract {
return nil
}
// Whet get contract is called the retrieved value might
// be an account. The StateManager uses this to check
// to see if the address a tx was sent to is a contract
// or an account
value := ethutil.NewValueFromBytes([]byte(data))
if value.Len() == 2 {
return nil
}
// build contract
contract := &Contract{}
contract.RlpDecode([]byte(data))
// Check if there's a cached state for this contract
cachedState := s.states[string(addr)]
if cachedState != nil {
contract.state = cachedState
} else {
// If it isn't cached, cache the state
s.states[string(addr)] = contract.state
}
return contract
}
@ -40,17 +93,21 @@ func Compile(code []string) (script []string) {
return
}
func (s *State) GetAccount(addr []byte) (account *Address) {
func (s *State) GetAccount(addr []byte) (account *Account) {
data := s.trie.Get(string(addr))
if data == "" {
account = NewAddress(big.NewInt(0))
account = NewAccount(big.NewInt(0))
} else {
account = NewAddressFromData([]byte(data))
account = NewAccountFromData([]byte(data))
}
return
}
func (s *State) UpdateAccount(addr []byte, account *Address) {
func (s *State) UpdateAccount(addr []byte, account *Account) {
s.trie.Update(string(addr), string(account.RlpEncode()))
}
func (s *State) Cmp(other *State) bool {
return s.trie.Cmp(other.trie)
}

8
ethchain/transaction_pool.go
View File

@ -104,7 +104,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
}
}()
// Get the sender
sender := block.GetAddr(tx.Sender())
sender := block.state.GetAccount(tx.Sender())
// Make sure there's enough in the sender's account. Having insufficient
// funds won't invalidate this transaction but simple ignores it.
@ -122,7 +122,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
}
// Get the receiver
receiver := block.GetAddr(tx.Recipient)
receiver := block.state.GetAccount(tx.Recipient)
sender.Nonce += 1
// Send Tx to self
@ -136,10 +136,10 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
// Add the amount to receivers account which should conclude this transaction
receiver.Amount.Add(receiver.Amount, tx.Value)
block.UpdateAddr(tx.Recipient, receiver)
block.state.UpdateAccount(tx.Recipient, receiver)
}
block.UpdateAddr(tx.Sender(), sender)
block.state.UpdateAccount(tx.Sender(), sender)
log.Printf("[TXPL] Processed Tx %x\n", tx.Hash())

4
ethchain/vm.go
View File

@ -330,7 +330,7 @@ out:
// Load the value in storage and push it on the stack
x := vm.stack.Pop()
// decode the object as a big integer
decoder := ethutil.NewValueFromBytes([]byte(contract.State().Get(x.String())))
decoder := contract.Addr(x.Bytes())
if !decoder.IsNil() {
vm.stack.Push(decoder.BigInt())
} else {
@ -375,7 +375,7 @@ out:
case oSUICIDE:
recAddr := vm.stack.Pop().Bytes()
// Purge all memory
deletedMemory := contract.state.NewIterator().Purge()
deletedMemory := contract.state.Purge()
// Add refunds to the pop'ed address
refund := new(big.Int).Mul(StoreFee, big.NewInt(int64(deletedMemory)))
account := state.GetAccount(recAddr)

43
ethutil/common_test.go
View File

@ -1,17 +1,44 @@
package ethutil
import (
"fmt"
"math/big"
"testing"
)
func TestCommon(t *testing.T) {
fmt.Println(CurrencyToString(BigPow(10, 19)))
fmt.Println(CurrencyToString(BigPow(10, 16)))
fmt.Println(CurrencyToString(BigPow(10, 13)))
fmt.Println(CurrencyToString(BigPow(10, 10)))
fmt.Println(CurrencyToString(BigPow(10, 7)))
fmt.Println(CurrencyToString(BigPow(10, 4)))
fmt.Println(CurrencyToString(big.NewInt(10)))
ether := CurrencyToString(BigPow(10, 19))
finney := CurrencyToString(BigPow(10, 16))
szabo := CurrencyToString(BigPow(10, 13))
vito := CurrencyToString(BigPow(10, 10))
turing := CurrencyToString(BigPow(10, 7))
eins := CurrencyToString(BigPow(10, 4))
wei := CurrencyToString(big.NewInt(10))
if ether != "10 Ether" {
t.Error("Got", ether)
}
if finney != "10 Finney" {
t.Error("Got", finney)
}
if szabo != "10 Szabo" {
t.Error("Got", szabo)
}
if vito != "10 Vito" {
t.Error("Got", vito)
}
if turing != "10 Turing" {
t.Error("Got", turing)
}
if eins != "10 Eins" {
t.Error("Got", eins)
}
if wei != "10 Wei" {
t.Error("Got", wei)
}
}

86
ethutil/reactor.go Normal file
View File

@ -0,0 +1,86 @@
package ethutil
import (
"sync"
)
type ReactorEvent struct {
mut sync.Mutex
event string
chans []chan React
}
// Post the specified reactor resource on the channels
// currently subscribed
func (e *ReactorEvent) Post(react React) {
e.mut.Lock()
defer e.mut.Unlock()
for _, ch := range e.chans {
go func(ch chan React) {
ch <- react
}(ch)
}
}
// Add a subscriber to this event
func (e *ReactorEvent) Add(ch chan React) {
e.mut.Lock()
defer e.mut.Unlock()
e.chans = append(e.chans, ch)
}
// Remove a subscriber
func (e *ReactorEvent) Remove(ch chan React) {
e.mut.Lock()
defer e.mut.Unlock()
for i, c := range e.chans {
if c == ch {
e.chans = append(e.chans[:i], e.chans[i+1:]...)
}
}
}
// Basic reactor resource
type React struct {
Resource interface{}
}
// The reactor basic engine. Acts as bridge
// between the events and the subscribers/posters
type ReactorEngine struct {
patterns map[string]*ReactorEvent
}
func NewReactorEngine() *ReactorEngine {
return &ReactorEngine{patterns: make(map[string]*ReactorEvent)}
}
// Subscribe a channel to the specified event
func (reactor *ReactorEngine) Subscribe(event string, ch chan React) {
ev := reactor.patterns[event]
// Create a new event if one isn't available
if ev == nil {
ev = &ReactorEvent{event: event}
reactor.patterns[event] = ev
}
// Add the channel to reactor event handler
ev.Add(ch)
}
func (reactor *ReactorEngine) Unsubscribe(event string, ch chan React) {
ev := reactor.patterns[event]
if ev != nil {
ev.Remove(ch)
}
}
func (reactor *ReactorEngine) Post(event string, resource interface{}) {
ev := reactor.patterns[event]
if ev != nil {
ev.Post(React{Resource: resource})
}
}

30
ethutil/reactor_test.go Normal file
View File

@ -0,0 +1,30 @@
package ethutil
import "testing"
func TestReactorAdd(t *testing.T) {
engine := NewReactorEngine()
ch := make(chan React)
engine.Subscribe("test", ch)
if len(engine.patterns) != 1 {
t.Error("Expected patterns to be 1, got", len(engine.patterns))
}
}
func TestReactorEvent(t *testing.T) {
engine := NewReactorEngine()
// Buffer 1, so it doesn't block for this test
ch := make(chan React, 1)
engine.Subscribe("test", ch)
engine.Post("test", "hello")
value := <-ch
if val, ok := value.Resource.(string); ok {
if val != "hello" {
t.Error("Expected Resource to be 'hello', got", val)
}
} else {
t.Error("Unable to cast")
}
}

6
peer.go
View File

@ -17,6 +17,8 @@ import (
const (
// The size of the output buffer for writing messages
outputBufferSize = 50
// Current protocol version
ProtocolVersion = 7
)
type DiscReason byte
@ -469,7 +471,7 @@ func (p *Peer) pushHandshake() error {
pubkey := ethutil.NewValueFromBytes(data).Get(2).Bytes()
msg := ethwire.NewMessage(ethwire.MsgHandshakeTy, []interface{}{
uint32(5), uint32(0), p.Version, byte(p.caps), p.port, pubkey,
uint32(ProtocolVersion), uint32(0), p.Version, byte(p.caps), p.port, pubkey,
})
p.QueueMessage(msg)
@ -496,7 +498,7 @@ func (p *Peer) pushPeers() {
func (p *Peer) handleHandshake(msg *ethwire.Msg) {
c := msg.Data
if c.Get(0).Uint() != 5 {
if c.Get(0).Uint() != ProtocolVersion {
ethutil.Config.Log.Debugln("Invalid peer version. Require protocol v5")
p.Stop()
return