Commit 98316198 authored by zelig's avatar zelig

merge upstream

parents 194c5885 42d47ecf
...@@ -6,7 +6,7 @@ Ethereum ...@@ -6,7 +6,7 @@ Ethereum
Ethereum Go Development package (C) Jeffrey Wilcke Ethereum Go Development package (C) Jeffrey Wilcke
Ethereum is currently in its testing phase. The current state is "Proof Ethereum is currently in its testing phase. The current state is "Proof
of Concept 0.5.20". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)). of Concept 0.6.0". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)).
Ethereum Go is split up in several sub packages Please refer to each Ethereum Go is split up in several sub packages Please refer to each
individual package for more information. individual package for more information.
......
...@@ -25,7 +25,7 @@ func Disassemble(script []byte) (asm []string) { ...@@ -25,7 +25,7 @@ func Disassemble(script []byte) (asm []string) {
pc.Add(pc, ethutil.Big1) pc.Add(pc, ethutil.Big1)
a := int64(op) - int64(PUSH1) + 1 a := int64(op) - int64(PUSH1) + 1
if int(pc.Int64()+a) > len(script) { if int(pc.Int64()+a) > len(script) {
return nil return
} }
data := script[pc.Int64() : pc.Int64()+a] data := script[pc.Int64() : pc.Int64()+a]
...@@ -40,5 +40,5 @@ func Disassemble(script []byte) (asm []string) { ...@@ -40,5 +40,5 @@ func Disassemble(script []byte) (asm []string) {
pc.Add(pc, ethutil.Big1) pc.Add(pc, ethutil.Big1)
} }
return return asm
} }
...@@ -3,12 +3,14 @@ package ethchain ...@@ -3,12 +3,14 @@ package ethchain
import ( import (
"bytes" "bytes"
"fmt" "fmt"
"github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil"
"math/big" "math/big"
_ "strconv" _ "strconv"
"time" "time"
"github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil"
) )
type BlockInfo struct { type BlockInfo struct {
...@@ -39,7 +41,7 @@ type Block struct { ...@@ -39,7 +41,7 @@ type Block struct {
Coinbase []byte Coinbase []byte
// Block Trie state // Block Trie state
//state *ethutil.Trie //state *ethutil.Trie
state *State state *ethstate.State
// Difficulty for the current block // Difficulty for the current block
Difficulty *big.Int Difficulty *big.Int
// Creation time // Creation time
...@@ -62,12 +64,6 @@ type Block struct { ...@@ -62,12 +64,6 @@ type Block struct {
TxSha []byte TxSha []byte
} }
// New block takes a raw encoded string
// XXX DEPRICATED
func NewBlockFromData(raw []byte) *Block {
return NewBlockFromBytes(raw)
}
func NewBlockFromBytes(raw []byte) *Block { func NewBlockFromBytes(raw []byte) *Block {
block := &Block{} block := &Block{}
block.RlpDecode(raw) block.RlpDecode(raw)
...@@ -104,7 +100,7 @@ func CreateBlock(root interface{}, ...@@ -104,7 +100,7 @@ func CreateBlock(root interface{},
} }
block.SetUncles([]*Block{}) block.SetUncles([]*Block{})
block.state = NewState(ethtrie.NewTrie(ethutil.Config.Db, root)) block.state = ethstate.NewState(ethtrie.NewTrie(ethutil.Config.Db, root))
return block return block
} }
...@@ -116,12 +112,12 @@ func (block *Block) Hash() []byte { ...@@ -116,12 +112,12 @@ func (block *Block) Hash() []byte {
func (block *Block) HashNoNonce() []byte { func (block *Block) HashNoNonce() []byte {
return ethcrypto.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash, return ethcrypto.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash,
block.UncleSha, block.Coinbase, block.state.trie.Root, block.UncleSha, block.Coinbase, block.state.Trie.Root,
block.TxSha, block.Difficulty, block.Number, block.MinGasPrice, block.TxSha, block.Difficulty, block.Number, block.MinGasPrice,
block.GasLimit, block.GasUsed, block.Time, block.Extra})) block.GasLimit, block.GasUsed, block.Time, block.Extra}))
} }
func (block *Block) State() *State { func (block *Block) State() *ethstate.State {
return block.state return block.state
} }
...@@ -129,33 +125,6 @@ func (block *Block) Transactions() []*Transaction { ...@@ -129,33 +125,6 @@ func (block *Block) Transactions() []*Transaction {
return block.transactions return block.transactions
} }
func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
contract := block.state.GetStateObject(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)
return false
}
base := new(big.Int)
contract.Amount = base.Sub(contract.Amount, fee)
block.state.trie.Update(string(addr), string(contract.RlpEncode()))
data := block.state.trie.Get(string(block.Coinbase))
// Get the ether (Coinbase) and add the fee (gief fee to miner)
account := NewStateObjectFromBytes(block.Coinbase, []byte(data))
base = new(big.Int)
account.Amount = base.Add(account.Amount, fee)
//block.state.trie.Update(string(block.Coinbase), string(ether.RlpEncode()))
block.state.UpdateStateObject(account)
return true
}
func (block *Block) CalcGasLimit(parent *Block) *big.Int { func (block *Block) CalcGasLimit(parent *Block) *big.Int {
if block.Number.Cmp(big.NewInt(0)) == 0 { if block.Number.Cmp(big.NewInt(0)) == 0 {
return ethutil.BigPow(10, 6) return ethutil.BigPow(10, 6)
...@@ -312,7 +281,7 @@ func (block *Block) RlpValueDecode(decoder *ethutil.Value) { ...@@ -312,7 +281,7 @@ func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
block.PrevHash = header.Get(0).Bytes() block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes() block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes() block.Coinbase = header.Get(2).Bytes()
block.state = NewState(ethtrie.NewTrie(ethutil.Config.Db, header.Get(3).Val)) block.state = ethstate.NewState(ethtrie.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes() block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt() block.Difficulty = header.Get(5).BigInt()
block.Number = header.Get(6).BigInt() block.Number = header.Get(6).BigInt()
...@@ -354,7 +323,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block { ...@@ -354,7 +323,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
block.PrevHash = header.Get(0).Bytes() block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes() block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes() block.Coinbase = header.Get(2).Bytes()
block.state = NewState(ethtrie.NewTrie(ethutil.Config.Db, header.Get(3).Val)) block.state = ethstate.NewState(ethtrie.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes() block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt() block.Difficulty = header.Get(5).BigInt()
block.Number = header.Get(6).BigInt() block.Number = header.Get(6).BigInt()
...@@ -369,7 +338,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block { ...@@ -369,7 +338,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
} }
func (block *Block) GetRoot() interface{} { func (block *Block) GetRoot() interface{} {
return block.state.trie.Root return block.state.Trie.Root
} }
func (self *Block) Receipts() []*Receipt { func (self *Block) Receipts() []*Receipt {
...@@ -385,7 +354,7 @@ func (block *Block) header() []interface{} { ...@@ -385,7 +354,7 @@ func (block *Block) header() []interface{} {
// Coinbase address // Coinbase address
block.Coinbase, block.Coinbase,
// root state // root state
block.state.trie.Root, block.state.Trie.Root,
// Sha of tx // Sha of tx
block.TxSha, block.TxSha,
// Current block Difficulty // Current block Difficulty
...@@ -429,7 +398,7 @@ func (block *Block) String() string { ...@@ -429,7 +398,7 @@ func (block *Block) String() string {
block.PrevHash, block.PrevHash,
block.UncleSha, block.UncleSha,
block.Coinbase, block.Coinbase,
block.state.trie.Root, block.state.Trie.Root,
block.TxSha, block.TxSha,
block.Difficulty, block.Difficulty,
block.Number, block.Number,
......
...@@ -2,11 +2,12 @@ package ethchain ...@@ -2,11 +2,12 @@ package ethchain
import ( import (
"bytes" "bytes"
"math"
"math/big"
"github.com/ethereum/eth-go/ethlog" "github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire" "github.com/ethereum/eth-go/ethwire"
"math"
"math/big"
) )
var chainlogger = ethlog.NewLogger("CHAIN") var chainlogger = ethlog.NewLogger("CHAIN")
...@@ -44,7 +45,7 @@ func (bc *BlockChain) NewBlock(coinbase []byte) *Block { ...@@ -44,7 +45,7 @@ func (bc *BlockChain) NewBlock(coinbase []byte) *Block {
hash := ZeroHash256 hash := ZeroHash256
if bc.CurrentBlock != nil { if bc.CurrentBlock != nil {
root = bc.CurrentBlock.state.trie.Root root = bc.CurrentBlock.state.Trie.Root
hash = bc.LastBlockHash hash = bc.LastBlockHash
lastBlockTime = bc.CurrentBlock.Time lastBlockTime = bc.CurrentBlock.Time
} }
...@@ -280,7 +281,7 @@ func AddTestNetFunds(block *Block) { ...@@ -280,7 +281,7 @@ func AddTestNetFunds(block *Block) {
} { } {
codedAddr := ethutil.Hex2Bytes(addr) codedAddr := ethutil.Hex2Bytes(addr)
account := block.state.GetAccount(codedAddr) account := block.state.GetAccount(codedAddr)
account.Amount = ethutil.Big("1606938044258990275541962092341162602522202993782792835301376") //ethutil.BigPow(2, 200) account.Balance = ethutil.Big("1606938044258990275541962092341162602522202993782792835301376") //ethutil.BigPow(2, 200)
block.state.UpdateStateObject(account) block.state.UpdateStateObject(account)
} }
} }
...@@ -297,7 +298,7 @@ func (bc *BlockChain) setLastBlock() { ...@@ -297,7 +298,7 @@ func (bc *BlockChain) setLastBlock() {
} else { } else {
AddTestNetFunds(bc.genesisBlock) AddTestNetFunds(bc.genesisBlock)
bc.genesisBlock.state.trie.Sync() bc.genesisBlock.state.Trie.Sync()
// Prepare the genesis block // Prepare the genesis block
bc.Add(bc.genesisBlock) bc.Add(bc.genesisBlock)
......
...@@ -7,6 +7,7 @@ import ( ...@@ -7,6 +7,7 @@ import (
"github.com/ethereum/eth-go/ethcrypto" "github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethlog" "github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethreact" "github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire" "github.com/ethereum/eth-go/ethwire"
"math/big" "math/big"
...@@ -50,8 +51,6 @@ type StateManager struct { ...@@ -50,8 +51,6 @@ type StateManager struct {
mutex sync.Mutex mutex sync.Mutex
// Canonical block chain // Canonical block chain
bc *BlockChain bc *BlockChain
// Stack for processing contracts
stack *Stack
// non-persistent key/value memory storage // non-persistent key/value memory storage
mem map[string]*big.Int mem map[string]*big.Int
// Proof of work used for validating // Proof of work used for validating
...@@ -62,10 +61,10 @@ type StateManager struct { ...@@ -62,10 +61,10 @@ type StateManager struct {
// Transiently state. The trans state isn't ever saved, validated and // Transiently state. The trans state isn't ever saved, validated and
// it could be used for setting account nonces without effecting // it could be used for setting account nonces without effecting
// the main states. // the main states.
transState *State transState *ethstate.State
// Mining state. The mining state is used purely and solely by the mining // Mining state. The mining state is used purely and solely by the mining
// operation. // operation.
miningState *State miningState *ethstate.State
// The last attempted block is mainly used for debugging purposes // The last attempted block is mainly used for debugging purposes
// This does not have to be a valid block and will be set during // This does not have to be a valid block and will be set during
...@@ -75,7 +74,6 @@ type StateManager struct { ...@@ -75,7 +74,6 @@ type StateManager struct {
func NewStateManager(ethereum EthManager) *StateManager { func NewStateManager(ethereum EthManager) *StateManager {
sm := &StateManager{ sm := &StateManager{
stack: NewStack(),
mem: make(map[string]*big.Int), mem: make(map[string]*big.Int),
Pow: &EasyPow{}, Pow: &EasyPow{},
Ethereum: ethereum, Ethereum: ethereum,
...@@ -87,19 +85,19 @@ func NewStateManager(ethereum EthManager) *StateManager { ...@@ -87,19 +85,19 @@ func NewStateManager(ethereum EthManager) *StateManager {
return sm return sm
} }
func (sm *StateManager) CurrentState() *State { func (sm *StateManager) CurrentState() *ethstate.State {
return sm.Ethereum.BlockChain().CurrentBlock.State() return sm.Ethereum.BlockChain().CurrentBlock.State()
} }
func (sm *StateManager) TransState() *State { func (sm *StateManager) TransState() *ethstate.State {
return sm.transState return sm.transState
} }
func (sm *StateManager) MiningState() *State { func (sm *StateManager) MiningState() *ethstate.State {
return sm.miningState return sm.miningState
} }
func (sm *StateManager) NewMiningState() *State { func (sm *StateManager) NewMiningState() *ethstate.State {
sm.miningState = sm.Ethereum.BlockChain().CurrentBlock.State().Copy() sm.miningState = sm.Ethereum.BlockChain().CurrentBlock.State().Copy()
return sm.miningState return sm.miningState
...@@ -109,7 +107,7 @@ func (sm *StateManager) BlockChain() *BlockChain { ...@@ -109,7 +107,7 @@ func (sm *StateManager) BlockChain() *BlockChain {
return sm.bc return sm.bc
} }
func (self *StateManager) ProcessTransactions(coinbase *StateObject, state *State, block, parent *Block, txs Transactions) (Receipts, Transactions, Transactions, error) { func (self *StateManager) ProcessTransactions(coinbase *ethstate.StateObject, state *ethstate.State, block, parent *Block, txs Transactions) (Receipts, Transactions, Transactions, error) {
var ( var (
receipts Receipts receipts Receipts
handled, unhandled Transactions handled, unhandled Transactions
...@@ -123,9 +121,9 @@ done: ...@@ -123,9 +121,9 @@ done:
cb := state.GetStateObject(coinbase.Address()) cb := state.GetStateObject(coinbase.Address())
st := NewStateTransition(cb, tx, state, block) st := NewStateTransition(cb, tx, state, block)
//fmt.Printf("#%d\n", i+1)
err = st.TransitionState() err = st.TransitionState()
if err != nil { if err != nil {
statelogger.Infoln(err)
switch { switch {
case IsNonceErr(err): case IsNonceErr(err):
err = nil // ignore error err = nil // ignore error
...@@ -225,7 +223,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) { ...@@ -225,7 +223,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
} }
if !block.State().Cmp(state) { if !block.State().Cmp(state) {
err = fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().trie.Root, state.trie.Root) err = fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().Trie.Root, state.Trie.Root)
return return
} }
...@@ -242,7 +240,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) { ...@@ -242,7 +240,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
if dontReact == false { if dontReact == false {
sm.Ethereum.Reactor().Post("newBlock", block) sm.Ethereum.Reactor().Post("newBlock", block)
state.manifest.Reset() state.Manifest().Reset()
} }
sm.Ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val}) sm.Ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})
...@@ -255,7 +253,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) { ...@@ -255,7 +253,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
return nil return nil
} }
func (sm *StateManager) ApplyDiff(state *State, parent, block *Block) (receipts Receipts, err error) { func (sm *StateManager) ApplyDiff(state *ethstate.State, parent, block *Block) (receipts Receipts, err error) {
coinbase := state.GetOrNewStateObject(block.Coinbase) coinbase := state.GetOrNewStateObject(block.Coinbase)
coinbase.SetGasPool(block.CalcGasLimit(parent)) coinbase.SetGasPool(block.CalcGasLimit(parent))
...@@ -340,7 +338,7 @@ func CalculateUncleReward(block *Block) *big.Int { ...@@ -340,7 +338,7 @@ func CalculateUncleReward(block *Block) *big.Int {
return UncleReward return UncleReward
} }
func (sm *StateManager) AccumelateRewards(state *State, block *Block) error { func (sm *StateManager) AccumelateRewards(state *ethstate.State, block *Block) error {
// Get the account associated with the coinbase // Get the account associated with the coinbase
account := state.GetAccount(block.Coinbase) account := state.GetAccount(block.Coinbase)
// Reward amount of ether to the coinbase address // Reward amount of ether to the coinbase address
...@@ -364,14 +362,14 @@ func (sm *StateManager) Stop() { ...@@ -364,14 +362,14 @@ func (sm *StateManager) Stop() {
sm.bc.Stop() sm.bc.Stop()
} }
func (sm *StateManager) notifyChanges(state *State) { func (sm *StateManager) notifyChanges(state *ethstate.State) {
for addr, stateObject := range state.manifest.objectChanges { for addr, stateObject := range state.Manifest().ObjectChanges {
sm.Ethereum.Reactor().Post("object:"+addr, stateObject) sm.Ethereum.Reactor().Post("object:"+addr, stateObject)
} }
for stateObjectAddr, mappedObjects := range state.manifest.storageChanges { for stateObjectAddr, mappedObjects := range state.Manifest().StorageChanges {
for addr, value := range mappedObjects { for addr, value := range mappedObjects {
sm.Ethereum.Reactor().Post("storage:"+stateObjectAddr+":"+addr, &StorageState{[]byte(stateObjectAddr), []byte(addr), value}) sm.Ethereum.Reactor().Post("storage:"+stateObjectAddr+":"+addr, &ethstate.StorageState{[]byte(stateObjectAddr), []byte(addr), value})
} }
} }
} }
package ethchain
import (
"fmt"
"github.com/ethereum/eth-go/ethdb"
"github.com/ethereum/eth-go/ethutil"
"math/big"
"testing"
)
func TestSync(t *testing.T) {
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "", "ETH")
db, _ := ethdb.NewMemDatabase()
state := NewState(ethutil.NewTrie(db, ""))
contract := NewContract([]byte("aa"), ethutil.Big1, ZeroHash256)
contract.script = []byte{42}
state.UpdateStateObject(contract)
state.Sync()
object := state.GetStateObject([]byte("aa"))
if len(object.Script()) == 0 {
t.Fail()
}
}
func TestObjectGet(t *testing.T) {
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "", "ETH")
db, _ := ethdb.NewMemDatabase()
ethutil.Config.Db = db
state := NewState(ethutil.NewTrie(db, ""))
contract := NewContract([]byte("aa"), ethutil.Big1, ZeroHash256)
state.UpdateStateObject(contract)
contract = state.GetStateObject([]byte("aa"))
contract.SetStorage(big.NewInt(0), ethutil.NewValue("hello"))
o := contract.GetMem(big.NewInt(0))
fmt.Println(o)
state.UpdateStateObject(contract)
contract.SetStorage(big.NewInt(0), ethutil.NewValue("hello00"))
contract = state.GetStateObject([]byte("aa"))
o = contract.GetMem(big.NewInt(0))
fmt.Println("after", o)
}
...@@ -3,6 +3,11 @@ package ethchain ...@@ -3,6 +3,11 @@ package ethchain
import ( import (
"fmt" "fmt"
"math/big" "math/big"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethvm"
) )
/* /*
...@@ -27,17 +32,17 @@ type StateTransition struct { ...@@ -27,17 +32,17 @@ type StateTransition struct {
gas, gasPrice *big.Int gas, gasPrice *big.Int
value *big.Int value *big.Int
data []byte data []byte
state *State state *ethstate.State
block *Block block *Block
cb, rec, sen *StateObject cb, rec, sen *ethstate.StateObject
} }
func NewStateTransition(coinbase *StateObject, tx *Transaction, state *State, block *Block) *StateTransition { func NewStateTransition(coinbase *ethstate.StateObject, tx *Transaction, state *ethstate.State, block *Block) *StateTransition {
return &StateTransition{coinbase.Address(), tx.Recipient, tx, new(big.Int), new(big.Int).Set(tx.GasPrice), tx.Value, tx.Data, state, block, coinbase, nil, nil} return &StateTransition{coinbase.Address(), tx.Recipient, tx, new(big.Int), new(big.Int).Set(tx.GasPrice), tx.Value, tx.Data, state, block, coinbase, nil, nil}
} }
func (self *StateTransition) Coinbase() *StateObject { func (self *StateTransition) Coinbase() *ethstate.StateObject {
if self.cb != nil { if self.cb != nil {
return self.cb return self.cb
} }
...@@ -45,7 +50,7 @@ func (self *StateTransition) Coinbase() *StateObject { ...@@ -45,7 +50,7 @@ func (self *StateTransition) Coinbase() *StateObject {
self.cb = self.state.GetOrNewStateObject(self.coinbase) self.cb = self.state.GetOrNewStateObject(self.coinbase)
return self.cb return self.cb
} }
func (self *StateTransition) Sender() *StateObject { func (self *StateTransition) Sender() *ethstate.StateObject {
if self.sen != nil { if self.sen != nil {
return self.sen return self.sen
} }
...@@ -54,7 +59,7 @@ func (self *StateTransition) Sender() *StateObject { ...@@ -54,7 +59,7 @@ func (self *StateTransition) Sender() *StateObject {
return self.sen return self.sen
} }
func (self *StateTransition) Receiver() *StateObject { func (self *StateTransition) Receiver() *ethstate.StateObject {
if self.tx != nil && self.tx.CreatesContract() { if self.tx != nil && self.tx.CreatesContract() {
return nil return nil
} }
...@@ -67,7 +72,7 @@ func (self *StateTransition) Receiver() *StateObject { ...@@ -67,7 +72,7 @@ func (self *StateTransition) Receiver() *StateObject {
return self.rec return self.rec
} }
func (self *StateTransition) MakeStateObject(state *State, tx *Transaction) *StateObject { func (self *StateTransition) MakeStateObject(state *ethstate.State, tx *Transaction) *ethstate.StateObject {
contract := MakeContract(tx, state) contract := MakeContract(tx, state)
return contract return contract
...@@ -90,8 +95,8 @@ func (self *StateTransition) BuyGas() error { ...@@ -90,8 +95,8 @@ func (self *StateTransition) BuyGas() error {
var err error var err error
sender := self.Sender() sender := self.Sender()
if sender.Amount.Cmp(self.tx.GasValue()) < 0 { if sender.Balance.Cmp(self.tx.GasValue()) < 0 {
return fmt.Errorf("Insufficient funds to pre-pay gas. Req %v, has %v", self.tx.GasValue(), sender.Amount) return fmt.Errorf("Insufficient funds to pre-pay gas. Req %v, has %v", self.tx.GasValue(), sender.Balance)
} }
coinbase := self.Coinbase() coinbase := self.Coinbase()
...@@ -154,7 +159,7 @@ func (self *StateTransition) TransitionState() (err error) { ...@@ -154,7 +159,7 @@ func (self *StateTransition) TransitionState() (err error) {
var ( var (
tx = self.tx tx = self.tx
sender = self.Sender() sender = self.Sender()
receiver *StateObject receiver *ethstate.StateObject
) )
defer self.RefundGas() defer self.RefundGas()
...@@ -163,22 +168,22 @@ func (self *StateTransition) TransitionState() (err error) { ...@@ -163,22 +168,22 @@ func (self *StateTransition) TransitionState() (err error) {
sender.Nonce += 1 sender.Nonce += 1
// Transaction gas // Transaction gas
if err = self.UseGas(GasTx); err != nil { if err = self.UseGas(ethvm.GasTx); err != nil {
return return
} }
// Pay data gas // Pay data gas
dataPrice := big.NewInt(int64(len(self.data))) dataPrice := big.NewInt(int64(len(self.data)))
dataPrice.Mul(dataPrice, GasData) dataPrice.Mul(dataPrice, ethvm.GasData)
if err = self.UseGas(dataPrice); err != nil { if err = self.UseGas(dataPrice); err != nil {
return return
} }
if sender.Amount.Cmp(self.value) < 0 { if sender.Balance.Cmp(self.value) < 0 {
return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, sender.Amount) return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, sender.Balance)
} }
var snapshot *State var snapshot *ethstate.State
// If the receiver is nil it's a contract (\0*32). // If the receiver is nil it's a contract (\0*32).
if tx.CreatesContract() { if tx.CreatesContract() {
// Subtract the (irreversible) amount from the senders account // Subtract the (irreversible) amount from the senders account
...@@ -220,10 +225,10 @@ func (self *StateTransition) TransitionState() (err error) { ...@@ -220,10 +225,10 @@ func (self *StateTransition) TransitionState() (err error) {
return fmt.Errorf("Error during init execution %v", err) return fmt.Errorf("Error during init execution %v", err)
} }
receiver.script = code receiver.Code = code
} else { } else {
if len(receiver.Script()) > 0 { if len(receiver.Code) > 0 {
_, err = self.Eval(receiver.Script(), receiver, "code") _, err = self.Eval(receiver.Code, receiver, "code")
if err != nil { if err != nil {
self.state.Set(snapshot) self.state.Set(snapshot)
...@@ -235,9 +240,9 @@ func (self *StateTransition) TransitionState() (err error) { ...@@ -235,9 +240,9 @@ func (self *StateTransition) TransitionState() (err error) {
return return
} }
func (self *StateTransition) transferValue(sender, receiver *StateObject) error { func (self *StateTransition) transferValue(sender, receiver *ethstate.StateObject) error {
if sender.Amount.Cmp(self.value) < 0 { if sender.Balance.Cmp(self.value) < 0 {
return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, sender.Amount) return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, sender.Balance)
} }
// Subtract the amount from the senders account // Subtract the amount from the senders account
...@@ -248,34 +253,35 @@ func (self *StateTransition) transferValue(sender, receiver *StateObject) error ...@@ -248,34 +253,35 @@ func (self *StateTransition) transferValue(sender, receiver *StateObject) error
return nil return nil
} }
func (self *StateTransition) Eval(script []byte, context *StateObject, typ string) (ret []byte, err error) { func (self *StateTransition) Eval(script []byte, context *ethstate.StateObject, typ string) (ret []byte, err error) {
var ( var (
block = self.block transactor = self.Sender()
initiator = self.Sender()
state = self.state state = self.state
env = NewEnv(state, self.tx, self.block)
callerClosure = ethvm.NewClosure(transactor, context, script, self.gas, self.gasPrice)
) )
closure := NewClosure(initiator, context, script, state, self.gas, self.gasPrice) vm := ethvm.New(env)
vm := NewVm(state, nil, RuntimeVars{
Origin: initiator.Address(),
Block: block,
BlockNumber: block.Number,
PrevHash: block.PrevHash,
Coinbase: block.Coinbase,
Time: block.Time,
Diff: block.Difficulty,
Value: self.value,
})
vm.Verbose = true vm.Verbose = true
vm.Fn = typ vm.Fn = typ
ret, err = Call(vm, closure, self.data) ret, _, err = callerClosure.Call(vm, self.tx.Data)
return return
} }
func Call(vm *Vm, closure *Closure, data []byte) (ret []byte, err error) { // Converts an transaction in to a state object
ret, _, err = closure.Call(vm, data) func MakeContract(tx *Transaction, state *ethstate.State) *ethstate.StateObject {
// Create contract if there's no recipient
if tx.IsContract() {
addr := tx.CreationAddress()
return contract := state.NewStateObject(addr)
contract.InitCode = tx.Data
contract.State = ethstate.NewState(ethtrie.NewTrie(ethutil.Config.Db, ""))
return contract
}
return nil
} }
...@@ -4,10 +4,12 @@ import ( ...@@ -4,10 +4,12 @@ import (
"bytes" "bytes"
"container/list" "container/list"
"fmt" "fmt"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethwire"
"math/big" "math/big"
"sync" "sync"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethwire"
) )
var txplogger = ethlog.NewLogger("TXP") var txplogger = ethlog.NewLogger("TXP")
...@@ -90,78 +92,6 @@ func (pool *TxPool) addTransaction(tx *Transaction) { ...@@ -90,78 +92,6 @@ func (pool *TxPool) addTransaction(tx *Transaction) {
pool.Ethereum.Broadcast(ethwire.MsgTxTy, []interface{}{tx.RlpData()}) pool.Ethereum.Broadcast(ethwire.MsgTxTy, []interface{}{tx.RlpData()})
} }
/*
// Process transaction validates the Tx and processes funds from the
// sender to the recipient.
func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract bool) (gas *big.Int, err error) {
fmt.Printf("state root before update %x\n", state.Root())
defer func() {
if r := recover(); r != nil {
txplogger.Infoln(r)
err = fmt.Errorf("%v", r)
}
}()
gas = new(big.Int)
addGas := func(g *big.Int) { gas.Add(gas, g) }
addGas(GasTx)
// Get the sender
sender := state.GetAccount(tx.Sender())
if sender.Nonce != tx.Nonce {
err = NonceError(tx.Nonce, sender.Nonce)
return
}
sender.Nonce += 1
defer func() {
//state.UpdateStateObject(sender)
// Notify all subscribers
pool.Ethereum.Reactor().Post("newTx:post", tx)
}()
txTotalBytes := big.NewInt(int64(len(tx.Data)))
txTotalBytes.Div(txTotalBytes, ethutil.Big32)
addGas(new(big.Int).Mul(txTotalBytes, GasSStore))
rGas := new(big.Int).Set(gas)
rGas.Mul(gas, tx.GasPrice)
// Make sure there's enough in the sender's account. Having insufficient
// funds won't invalidate this transaction but simple ignores it.
totAmount := new(big.Int).Add(tx.Value, rGas)
if sender.Amount.Cmp(totAmount) < 0 {
err = fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
return
}
state.UpdateStateObject(sender)
fmt.Printf("state root after sender update %x\n", state.Root())
// Get the receiver
receiver := state.GetAccount(tx.Recipient)
// Send Tx to self
if bytes.Compare(tx.Recipient, tx.Sender()) == 0 {
// Subtract the fee
sender.SubAmount(rGas)
} else {
// Subtract the amount from the senders account
sender.SubAmount(totAmount)
// Add the amount to receivers account which should conclude this transaction
receiver.AddAmount(tx.Value)
state.UpdateStateObject(receiver)
fmt.Printf("state root after receiver update %x\n", state.Root())
}
txplogger.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
return
}
*/
func (pool *TxPool) ValidateTransaction(tx *Transaction) error { func (pool *TxPool) ValidateTransaction(tx *Transaction) error {
// Get the last block so we can retrieve the sender and receiver from // Get the last block so we can retrieve the sender and receiver from
// the merkle trie // the merkle trie
...@@ -182,7 +112,7 @@ func (pool *TxPool) ValidateTransaction(tx *Transaction) error { ...@@ -182,7 +112,7 @@ func (pool *TxPool) ValidateTransaction(tx *Transaction) error {
totAmount := new(big.Int).Set(tx.Value) totAmount := new(big.Int).Set(tx.Value)
// Make sure there's enough in the sender's account. Having insufficient // Make sure there's enough in the sender's account. Having insufficient
// funds won't invalidate this transaction but simple ignores it. // funds won't invalidate this transaction but simple ignores it.
if sender.Amount.Cmp(totAmount) < 0 { if sender.Balance.Cmp(totAmount) < 0 {
return fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender()) return fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
} }
...@@ -252,7 +182,7 @@ func (pool *TxPool) CurrentTransactions() []*Transaction { ...@@ -252,7 +182,7 @@ func (pool *TxPool) CurrentTransactions() []*Transaction {
return txList return txList
} }
func (pool *TxPool) RemoveInvalid(state *State) { func (pool *TxPool) RemoveInvalid(state *ethstate.State) {
for e := pool.pool.Front(); e != nil; e = e.Next() { for e := pool.pool.Front(); e != nil; e = e.Next() {
tx := e.Value.(*Transaction) tx := e.Value.(*Transaction)
sender := state.GetAccount(tx.Sender()) sender := state.GetAccount(tx.Sender())
......
package ethchain
import (
"github.com/ethereum/eth-go/ethstate"
"math/big"
)
type VMEnv struct {
state *ethstate.State
block *Block
tx *Transaction
}
func NewEnv(state *ethstate.State, tx *Transaction, block *Block) *VMEnv {
return &VMEnv{
state: state,
block: block,
tx: tx,
}
}
func (self *VMEnv) Origin() []byte { return self.tx.Sender() }
func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number }
func (self *VMEnv) PrevHash() []byte { return self.block.PrevHash }
func (self *VMEnv) Coinbase() []byte { return self.block.Coinbase }
func (self *VMEnv) Time() int64 { return self.block.Time }
func (self *VMEnv) Difficulty() *big.Int { return self.block.Difficulty }
func (self *VMEnv) Value() *big.Int { return self.tx.Value }
func (self *VMEnv) State() *ethstate.State { return self.state }
package ethchain
import (
_ "bytes"
"fmt"
"github.com/ethereum/eth-go/ethdb"
"github.com/ethereum/eth-go/ethutil"
"math/big"
"testing"
)
func TestRun4(t *testing.T) {
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "", "ETH")
db, _ := ethdb.NewMemDatabase()
state := NewState(ethutil.NewTrie(db, ""))
callerScript, err := ethutil.Compile(`
this.store[this.origin()] = 10**20
hello := "world"
return lambda {
big to = this.data[0]
big from = this.origin()
big value = this.data[1]
if this.store[from] >= value {
this.store[from] = this.store[from] - value
this.store[to] = this.store[to] + value
}
}
`)
if err != nil {
fmt.Println(err)
}
fmt.Println(Disassemble(callerScript))
callerTx := NewContractCreationTx(ethutil.Big("0"), ethutil.Big("1000"), ethutil.Big("100"), callerScript)
callerTx.Sign([]byte("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
// Contract addr as test address
gas := big.NewInt(1000)
gasPrice := big.NewInt(10)
account := NewAccount(ContractAddr, big.NewInt(10000000))
fmt.Println("account.Amount =", account.Amount)
c := MakeContract(callerTx, state)
e := account.ConvertGas(gas, gasPrice)
if e != nil {
fmt.Println(err)
}
fmt.Println("account.Amount =", account.Amount)
callerClosure := NewClosure(account, c, callerScript, state, gas, gasPrice)
vm := NewVm(state, nil, RuntimeVars{
Origin: account.Address(),
BlockNumber: big.NewInt(1),
PrevHash: ethutil.FromHex("5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"),
Coinbase: ethutil.FromHex("2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"),
Time: 1,
Diff: big.NewInt(256),
})
var ret []byte
ret, _, e = callerClosure.Call(vm, nil, nil)
if e != nil {
fmt.Println("error", e)
}
fmt.Println(ret)
}
...@@ -3,25 +3,27 @@ package eth ...@@ -3,25 +3,27 @@ package eth
import ( import (
"container/list" "container/list"
"fmt" "fmt"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethrpc"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"io/ioutil"
"math/rand" "math/rand"
"net" "net"
"net/http"
"strconv" "strconv"
"strings" "strings"
"sync" "sync"
"sync/atomic" "sync/atomic"
"time" "time"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethrpc"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
) )
const seedTextFileUri string = "http://www.ethereum.org/servers.poc3.txt" const (
seedTextFileUri string = "http://www.ethereum.org/servers.poc3.txt"
seedNodeAddress = "54.76.56.74:30303"
)
var ethlogger = ethlog.NewLogger("SERV") var ethlogger = ethlog.NewLogger("SERV")
...@@ -422,22 +424,10 @@ func (s *Ethereum) Seed() { ...@@ -422,22 +424,10 @@ func (s *Ethereum) Seed() {
} }
// Connect to Peer list // Connect to Peer list
s.ProcessPeerList(peers) s.ProcessPeerList(peers)
} else {
// Fallback to servers.poc3.txt
resp, err := http.Get(seedTextFileUri)
if err != nil {
ethlogger.Warnln("Fetching seed failed:", err)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
ethlogger.Warnln("Reading seed failed:", err)
return
} }
s.ConnectToPeer(string(body)) // XXX tmp
} s.ConnectToPeer(seedNodeAddress)
} }
func (s *Ethereum) peerHandler(listener net.Listener) { func (s *Ethereum) peerHandler(listener net.Listener) {
......
...@@ -6,6 +6,7 @@ import ( ...@@ -6,6 +6,7 @@ import (
"github.com/ethereum/eth-go/ethchain" "github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethcrypto" "github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethlog" "github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"math/big" "math/big"
"strings" "strings"
...@@ -24,11 +25,11 @@ type helper struct { ...@@ -24,11 +25,11 @@ type helper struct {
func EthereumConfig(stateManager *ethchain.StateManager) helper { func EthereumConfig(stateManager *ethchain.StateManager) helper {
return helper{stateManager} return helper{stateManager}
} }
func (self helper) obj() *ethchain.StateObject { func (self helper) obj() *ethstate.StateObject {
return self.sm.CurrentState().GetStateObject(cnfCtr) return self.sm.CurrentState().GetStateObject(cnfCtr)
} }
func (self helper) NameReg() *ethchain.StateObject { func (self helper) NameReg() *ethstate.StateObject {
if self.obj() != nil { if self.obj() != nil {
addr := self.obj().GetStorage(big.NewInt(0)) addr := self.obj().GetStorage(big.NewInt(0))
if len(addr.Bytes()) > 0 { if len(addr.Bytes()) > 0 {
...@@ -48,6 +49,12 @@ type PEthereum struct { ...@@ -48,6 +49,12 @@ type PEthereum struct {
} }
func NewPEthereum(manager ethchain.EthManager) *PEthereum { 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{ return &PEthereum{
manager, manager,
manager.StateManager(), manager.StateManager(),
......
...@@ -3,11 +3,13 @@ package ethpub ...@@ -3,11 +3,13 @@ package ethpub
import ( import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"strings"
"github.com/ethereum/eth-go/ethchain" "github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethcrypto" "github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethtrie" "github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"strings"
) )
// Peer interface exposed to QML // Peer interface exposed to QML
...@@ -154,10 +156,10 @@ func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) * ...@@ -154,10 +156,10 @@ func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) *
} }
type PStateObject struct { type PStateObject struct {
object *ethchain.StateObject object *ethstate.StateObject
} }
func NewPStateObject(object *ethchain.StateObject) *PStateObject { func NewPStateObject(object *ethstate.StateObject) *PStateObject {
return &PStateObject{object: object} return &PStateObject{object: object}
} }
...@@ -174,9 +176,9 @@ func (c *PStateObject) GetStorage(address string) string { ...@@ -174,9 +176,9 @@ func (c *PStateObject) GetStorage(address string) string {
return "" return ""
} }
func (c *PStateObject) Value() string { func (c *PStateObject) Balance() string {
if c.object != nil { if c.object != nil {
return c.object.Amount.String() return c.object.Balance.String()
} }
return "" return ""
...@@ -200,7 +202,7 @@ func (c *PStateObject) Nonce() int { ...@@ -200,7 +202,7 @@ func (c *PStateObject) Nonce() int {
func (c *PStateObject) Root() string { func (c *PStateObject) Root() string {
if c.object != nil { if c.object != nil {
return ethutil.Bytes2Hex(ethutil.NewValue(c.object.State().Root()).Bytes()) return ethutil.Bytes2Hex(ethutil.NewValue(c.object.State.Root()).Bytes())
} }
return "<err>" return "<err>"
...@@ -208,7 +210,7 @@ func (c *PStateObject) Root() string { ...@@ -208,7 +210,7 @@ func (c *PStateObject) Root() string {
func (c *PStateObject) IsContract() bool { func (c *PStateObject) IsContract() bool {
if c.object != nil { if c.object != nil {
return len(c.object.Script()) > 0 return len(c.object.Code) > 0
} }
return false return false
...@@ -245,7 +247,7 @@ func (c *PStateObject) StateKeyVal(asJson bool) interface{} { ...@@ -245,7 +247,7 @@ func (c *PStateObject) StateKeyVal(asJson bool) interface{} {
func (c *PStateObject) Script() string { func (c *PStateObject) Script() string {
if c.object != nil { if c.object != nil {
return strings.Join(ethchain.Disassemble(c.object.Script()), " ") return strings.Join(ethchain.Disassemble(c.object.Code), " ")
} }
return "" return ""
...@@ -253,7 +255,7 @@ func (c *PStateObject) Script() string { ...@@ -253,7 +255,7 @@ func (c *PStateObject) Script() string {
func (c *PStateObject) HexScript() string { func (c *PStateObject) HexScript() string {
if c.object != nil { if c.object != nil {
return ethutil.Bytes2Hex(c.object.Script()) return ethutil.Bytes2Hex(c.object.Code)
} }
return "" return ""
...@@ -265,6 +267,6 @@ type PStorageState struct { ...@@ -265,6 +267,6 @@ type PStorageState struct {
Value string Value string
} }
func NewPStorageState(storageObject *ethchain.StorageState) *PStorageState { func NewPStorageState(storageObject *ethstate.StorageState) *PStorageState {
return &PStorageState{ethutil.Bytes2Hex(storageObject.StateAddress), ethutil.Bytes2Hex(storageObject.Address), storageObject.Value.String()} return &PStorageState{ethutil.Bytes2Hex(storageObject.StateAddress), ethutil.Bytes2Hex(storageObject.Address), storageObject.Value.String()}
} }
...@@ -3,10 +3,11 @@ package ethrpc ...@@ -3,10 +3,11 @@ package ethrpc
import ( import (
"encoding/json" "encoding/json"
"errors" "errors"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethutil"
"math/big" "math/big"
"strings" "strings"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethutil"
) )
type EthereumApi struct { type EthereumApi struct {
...@@ -272,7 +273,7 @@ func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *string) error { ...@@ -272,7 +273,7 @@ func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *string) error {
return err return err
} }
state := p.ethp.GetStateObject(args.Address) state := p.ethp.GetStateObject(args.Address)
*reply = NewSuccessRes(BalanceRes{Balance: state.Value(), Address: args.Address}) *reply = NewSuccessRes(BalanceRes{Balance: state.Balance(), Address: args.Address})
return nil return nil
} }
......
package ethstate
import (
"fmt"
"math/big"
)
type GasLimitErr struct {
Message string
Is, Max *big.Int
}
func IsGasLimitErr(err error) bool {
_, ok := err.(*GasLimitErr)
return ok
}
func (err *GasLimitErr) Error() string {
return err.Message
}
func GasLimitError(is, max *big.Int) *GasLimitErr {
return &GasLimitErr{Message: fmt.Sprintf("GasLimit error. Max %s, transaction would take it to %s", max, is), Is: is, Max: max}
}
package ethchain package ethstate
import ( import (
"math/big"
"github.com/ethereum/eth-go/ethcrypto" "github.com/ethereum/eth-go/ethcrypto"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethtrie" "github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"math/big"
) )
var statelogger = ethlog.NewLogger("STATE")
// States within the ethereum protocol are used to store anything // States within the ethereum protocol are used to store anything
// within the merkle trie. States take care of caching and storing // within the merkle trie. States take care of caching and storing
// nested states. It's the general query interface to retrieve: // nested states. It's the general query interface to retrieve:
...@@ -14,7 +18,7 @@ import ( ...@@ -14,7 +18,7 @@ import (
// * Accounts // * Accounts
type State struct { type State struct {
// The trie for this structure // The trie for this structure
trie *ethtrie.Trie Trie *ethtrie.Trie
stateObjects map[string]*StateObject stateObjects map[string]*StateObject
...@@ -23,14 +27,14 @@ type State struct { ...@@ -23,14 +27,14 @@ type State struct {
// Create a new state from a given trie // Create a new state from a given trie
func NewState(trie *ethtrie.Trie) *State { func NewState(trie *ethtrie.Trie) *State {
return &State{trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest()} return &State{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest()}
} }
// Retrieve the balance from the given address or 0 if object not found // Retrieve the balance from the given address or 0 if object not found
func (self *State) GetBalance(addr []byte) *big.Int { func (self *State) GetBalance(addr []byte) *big.Int {
stateObject := self.GetStateObject(addr) stateObject := self.GetStateObject(addr)
if stateObject != nil { if stateObject != nil {
return stateObject.Amount return stateObject.Balance
} }
return ethutil.Big0 return ethutil.Big0
...@@ -53,16 +57,16 @@ func (self *State) GetNonce(addr []byte) uint64 { ...@@ -53,16 +57,16 @@ func (self *State) GetNonce(addr []byte) uint64 {
func (self *State) UpdateStateObject(stateObject *StateObject) { func (self *State) UpdateStateObject(stateObject *StateObject) {
addr := stateObject.Address() addr := stateObject.Address()
ethutil.Config.Db.Put(ethcrypto.Sha3Bin(stateObject.Script()), stateObject.Script()) ethutil.Config.Db.Put(ethcrypto.Sha3Bin(stateObject.Code), stateObject.Code)
self.trie.Update(string(addr), string(stateObject.RlpEncode())) self.Trie.Update(string(addr), string(stateObject.RlpEncode()))
self.manifest.AddObjectChange(stateObject) self.manifest.AddObjectChange(stateObject)
} }
// Delete the given state object and delete it from the state trie // Delete the given state object and delete it from the state trie
func (self *State) DeleteStateObject(stateObject *StateObject) { func (self *State) DeleteStateObject(stateObject *StateObject) {
self.trie.Delete(string(stateObject.Address())) self.Trie.Delete(string(stateObject.Address()))
delete(self.stateObjects, string(stateObject.Address())) delete(self.stateObjects, string(stateObject.Address()))
} }
...@@ -76,7 +80,7 @@ func (self *State) GetStateObject(addr []byte) *StateObject { ...@@ -76,7 +80,7 @@ func (self *State) GetStateObject(addr []byte) *StateObject {
return stateObject return stateObject
} }
data := self.trie.Get(string(addr)) data := self.Trie.Get(string(addr))
if len(data) == 0 { if len(data) == 0 {
return nil return nil
} }
...@@ -99,6 +103,8 @@ func (self *State) GetOrNewStateObject(addr []byte) *StateObject { ...@@ -99,6 +103,8 @@ func (self *State) GetOrNewStateObject(addr []byte) *StateObject {
// Create a state object whether it exist in the trie or not // Create a state object whether it exist in the trie or not
func (self *State) NewStateObject(addr []byte) *StateObject { func (self *State) NewStateObject(addr []byte) *StateObject {
addr = ethutil.Address(addr)
statelogger.Infof("(+) %x\n", addr) statelogger.Infof("(+) %x\n", addr)
stateObject := NewStateObject(addr) stateObject := NewStateObject(addr)
...@@ -117,12 +123,12 @@ func (self *State) GetAccount(addr []byte) *StateObject { ...@@ -117,12 +123,12 @@ func (self *State) GetAccount(addr []byte) *StateObject {
// //
func (s *State) Cmp(other *State) bool { func (s *State) Cmp(other *State) bool {
return s.trie.Cmp(other.trie) return s.Trie.Cmp(other.Trie)
} }
func (self *State) Copy() *State { func (self *State) Copy() *State {
if self.trie != nil { if self.Trie != nil {
state := NewState(self.trie.Copy()) state := NewState(self.Trie.Copy())
for k, stateObject := range self.stateObjects { for k, stateObject := range self.stateObjects {
state.stateObjects[k] = stateObject.Copy() state.stateObjects[k] = stateObject.Copy()
} }
...@@ -138,21 +144,21 @@ func (self *State) Set(state *State) { ...@@ -138,21 +144,21 @@ func (self *State) Set(state *State) {
panic("Tried setting 'state' to nil through 'Set'") panic("Tried setting 'state' to nil through 'Set'")
} }
self.trie = state.trie self.Trie = state.Trie
self.stateObjects = state.stateObjects self.stateObjects = state.stateObjects
} }
func (s *State) Root() interface{} { func (s *State) Root() interface{} {
return s.trie.Root return s.Trie.Root
} }
// Resets the trie and all siblings // Resets the trie and all siblings
func (s *State) Reset() { func (s *State) Reset() {
s.trie.Undo() s.Trie.Undo()
// Reset all nested states // Reset all nested states
for _, stateObject := range s.stateObjects { for _, stateObject := range s.stateObjects {
if stateObject.state == nil { if stateObject.State == nil {
continue continue
} }
...@@ -169,14 +175,14 @@ func (s *State) Sync() { ...@@ -169,14 +175,14 @@ func (s *State) Sync() {
for _, stateObject := range s.stateObjects { for _, stateObject := range s.stateObjects {
//s.UpdateStateObject(stateObject) //s.UpdateStateObject(stateObject)
if stateObject.state == nil { if stateObject.State == nil {
continue continue
} }
stateObject.state.Sync() stateObject.State.Sync()
} }
s.trie.Sync() s.Trie.Sync()
s.Empty() s.Empty()
} }
...@@ -197,11 +203,11 @@ func (self *State) Update() { ...@@ -197,11 +203,11 @@ func (self *State) Update() {
} }
// FIXME trie delete is broken // FIXME trie delete is broken
valid, t2 := ethtrie.ParanoiaCheck(self.trie) valid, t2 := ethtrie.ParanoiaCheck(self.Trie)
if !valid { if !valid {
statelogger.Infof("Warn: PARANOIA: Different state root during copy %x vs %x\n", self.trie.Root, t2.Root) statelogger.Infof("Warn: PARANOIA: Different state root during copy %x vs %x\n", self.Trie.Root, t2.Root)
self.trie = t2 self.Trie = t2
} }
} }
...@@ -212,6 +218,10 @@ func (self *State) CreateOutputForDiff() { ...@@ -212,6 +218,10 @@ func (self *State) CreateOutputForDiff() {
} }
} }
func (self *State) Manifest() *Manifest {
return self.manifest
}
// Object manifest // Object manifest
// //
// The object manifest is used to keep changes to the state so we can keep track of the changes // The object manifest is used to keep changes to the state so we can keep track of the changes
...@@ -221,8 +231,8 @@ type Manifest struct { ...@@ -221,8 +231,8 @@ type Manifest struct {
objectAddresses map[string]bool objectAddresses map[string]bool
storageAddresses map[string]map[string]bool storageAddresses map[string]map[string]bool
objectChanges map[string]*StateObject ObjectChanges map[string]*StateObject
storageChanges map[string]map[string]*big.Int StorageChanges map[string]map[string]*big.Int
} }
func NewManifest() *Manifest { func NewManifest() *Manifest {
...@@ -233,18 +243,18 @@ func NewManifest() *Manifest { ...@@ -233,18 +243,18 @@ func NewManifest() *Manifest {
} }
func (m *Manifest) Reset() { func (m *Manifest) Reset() {
m.objectChanges = make(map[string]*StateObject) m.ObjectChanges = make(map[string]*StateObject)
m.storageChanges = make(map[string]map[string]*big.Int) m.StorageChanges = make(map[string]map[string]*big.Int)
} }
func (m *Manifest) AddObjectChange(stateObject *StateObject) { func (m *Manifest) AddObjectChange(stateObject *StateObject) {
m.objectChanges[string(stateObject.Address())] = stateObject m.ObjectChanges[string(stateObject.Address())] = stateObject
} }
func (m *Manifest) AddStorageChange(stateObject *StateObject, storageAddr []byte, storage *big.Int) { func (m *Manifest) AddStorageChange(stateObject *StateObject, storageAddr []byte, storage *big.Int) {
if m.storageChanges[string(stateObject.Address())] == nil { if m.StorageChanges[string(stateObject.Address())] == nil {
m.storageChanges[string(stateObject.Address())] = make(map[string]*big.Int) m.StorageChanges[string(stateObject.Address())] = make(map[string]*big.Int)
} }
m.storageChanges[string(stateObject.Address())][string(storageAddr)] = storage m.StorageChanges[string(stateObject.Address())][string(storageAddr)] = storage
} }
package ethchain package ethstate
import ( import (
"github.com/ethereum/eth-go/ethdb" "github.com/ethereum/eth-go/ethdb"
"github.com/ethereum/eth-go/ethtrie"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"testing" "testing"
) )
func TestSnapshot(t *testing.T) { var ZeroHash256 = make([]byte, 32)
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "", "ETH")
func TestSnapshot(t *testing.T) {
db, _ := ethdb.NewMemDatabase() db, _ := ethdb.NewMemDatabase()
state := NewState(ethutil.NewTrie(db, "")) ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
ethutil.Config.Db = db
state := NewState(ethtrie.NewTrie(db, ""))
stateObject := state.GetOrNewStateObject([]byte("aa"))
stateObject := NewContract([]byte("aa"), ethutil.Big1, ZeroHash256)
state.UpdateStateObject(stateObject)
stateObject.SetStorage(ethutil.Big("0"), ethutil.NewValue(42)) stateObject.SetStorage(ethutil.Big("0"), ethutil.NewValue(42))
snapshot := state.Copy() snapshot := state.Copy()
...@@ -24,7 +28,8 @@ func TestSnapshot(t *testing.T) { ...@@ -24,7 +28,8 @@ func TestSnapshot(t *testing.T) {
state.Set(snapshot) state.Set(snapshot)
stateObject = state.GetStateObject([]byte("aa")) stateObject = state.GetStateObject([]byte("aa"))
if !stateObject.GetStorage(ethutil.Big("0")).Cmp(ethutil.NewValue(42)) { res := stateObject.GetStorage(ethutil.Big("0"))
t.Error("Expected storage 0 to be 42") if !res.Cmp(ethutil.NewValue(42)) {
t.Error("Expected storage 0 to be 42", res)
} }
} }
...@@ -4,14 +4,6 @@ import ( ...@@ -4,14 +4,6 @@ import (
"math/big" "math/big"
) )
var BigInt0 *big.Int = big.NewInt(0)
// True
var BigTrue *big.Int = big.NewInt(1)
// False
var BigFalse *big.Int = big.NewInt(0)
// Big pow // Big pow
// //
// Returns the power of two big integers // Returns the power of two big integers
...@@ -73,3 +65,14 @@ func BigMax(x, y *big.Int) *big.Int { ...@@ -73,3 +65,14 @@ func BigMax(x, y *big.Int) *big.Int {
return x return x
} }
// Big min
//
// Returns the minimum size big integer
func BigMin(x, y *big.Int) *big.Int {
if x.Cmp(y) >= 0 {
return y
}
return x
}
...@@ -44,26 +44,28 @@ func BytesToNumber(b []byte) uint64 { ...@@ -44,26 +44,28 @@ func BytesToNumber(b []byte) uint64 {
// Read variable int // Read variable int
// //
// Read a variable length number in big endian byte order // Read a variable length number in big endian byte order
func ReadVarint(reader *bytes.Reader) (ret uint64) { func ReadVarInt(buff []byte) (ret uint64) {
if reader.Len() == 8 { switch l := len(buff); {
var num uint64 case l > 4:
binary.Read(reader, binary.BigEndian, &num) d := LeftPadBytes(buff, 8)
ret = uint64(num) binary.Read(bytes.NewReader(d), binary.BigEndian, &ret)
} else if reader.Len() == 4 { case l > 2:
var num uint32 var num uint32
binary.Read(reader, binary.BigEndian, &num) d := LeftPadBytes(buff, 4)
binary.Read(bytes.NewReader(d), binary.BigEndian, &num)
ret = uint64(num) ret = uint64(num)
} else if reader.Len() == 2 { case l > 1:
var num uint16 var num uint16
binary.Read(reader, binary.BigEndian, &num) d := LeftPadBytes(buff, 2)
binary.Read(bytes.NewReader(d), binary.BigEndian, &num)
ret = uint64(num) ret = uint64(num)
} else { default:
var num uint8 var num uint8
binary.Read(reader, binary.BigEndian, &num) binary.Read(bytes.NewReader(buff), binary.BigEndian, &num)
ret = uint64(num) ret = uint64(num)
} }
return ret return
} }
// Binary length // Binary length
...@@ -98,6 +100,7 @@ func Bytes2Hex(d []byte) string { ...@@ -98,6 +100,7 @@ func Bytes2Hex(d []byte) string {
func Hex2Bytes(str string) []byte { func Hex2Bytes(str string) []byte {
h, _ := hex.DecodeString(str) h, _ := hex.DecodeString(str)
return h return h
} }
......
...@@ -61,6 +61,8 @@ var ( ...@@ -61,6 +61,8 @@ var (
Big1 = big.NewInt(1) Big1 = big.NewInt(1)
Big2 = big.NewInt(2) Big2 = big.NewInt(2)
Big0 = big.NewInt(0) Big0 = big.NewInt(0)
BigTrue = Big1
BigFalse = Big0
Big32 = big.NewInt(32) Big32 = big.NewInt(32)
Big256 = big.NewInt(0xff) Big256 = big.NewInt(0xff)
) )
...@@ -3,8 +3,9 @@ package ethutil ...@@ -3,8 +3,9 @@ package ethutil
import ( import (
"flag" "flag"
"fmt" "fmt"
"github.com/rakyll/globalconf"
"os" "os"
"github.com/rakyll/globalconf"
) )
// Config struct // Config struct
...@@ -28,8 +29,7 @@ var Config *ConfigManager ...@@ -28,8 +29,7 @@ var Config *ConfigManager
func ReadConfig(ConfigFile string, Datadir string, EnvPrefix string) *ConfigManager { func ReadConfig(ConfigFile string, Datadir string, EnvPrefix string) *ConfigManager {
if Config == nil { if Config == nil {
// create ConfigFile if does not exist, otherwise globalconf panic when trying to persist flags // create ConfigFile if does not exist, otherwise globalconf panic when trying to persist flags
_, err := os.Stat(ConfigFile) if !FileExist(ConfigFile) {
if err != nil && os.IsNotExist(err) {
fmt.Printf("config file '%s' doesn't exist, creating it\n", ConfigFile) fmt.Printf("config file '%s' doesn't exist, creating it\n", ConfigFile)
os.Create(ConfigFile) os.Create(ConfigFile)
} }
......
package ethutil package ethutil
import ( import (
"io/ioutil"
"os"
"os/user" "os/user"
"strings" "strings"
) )
...@@ -18,3 +20,41 @@ func ExpandHomePath(p string) (path string) { ...@@ -18,3 +20,41 @@ func ExpandHomePath(p string) (path string) {
return return
} }
func FileExist(filePath string) bool {
_, err := os.Stat(filePath)
if err != nil && os.IsNotExist(err) {
return false
}
return true
}
func ReadAllFile(filePath string) (string, error) {
file, err := os.Open(filePath)
if err != nil {
return "", err
}
data, err := ioutil.ReadAll(file)
if err != nil {
return "", err
}
return string(data), nil
}
func WriteFile(filePath string, content []byte) error {
fh, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE, os.ModePerm)
if err != nil {
return err
}
defer fh.Close()
_, err = fh.Write(content)
if err != nil {
return err
}
return nil
}
...@@ -55,8 +55,7 @@ func DecodeWithReader(reader *bytes.Buffer) interface{} { ...@@ -55,8 +55,7 @@ func DecodeWithReader(reader *bytes.Buffer) interface{} {
return reader.Next(int(char - 0x80)) return reader.Next(int(char - 0x80))
case char <= 0xbf: case char <= 0xbf:
buff := bytes.NewReader(reader.Next(int(char - 0xb8))) length := ReadVarInt(reader.Next(int(char - 0xb7)))
length := ReadVarint(buff)
return reader.Next(int(length)) return reader.Next(int(length))
...@@ -72,74 +71,20 @@ func DecodeWithReader(reader *bytes.Buffer) interface{} { ...@@ -72,74 +71,20 @@ func DecodeWithReader(reader *bytes.Buffer) interface{} {
} }
return slice return slice
}
return slice
}
// TODO Use a bytes.Buffer instead of a raw byte slice.
// Cleaner code, and use draining instead of seeking the next bytes to read
func Decode(data []byte, pos uint64) (interface{}, uint64) {
var slice []interface{}
char := int(data[pos])
switch {
case char <= 0x7f:
return data[pos], pos + 1
case char <= 0xb7:
b := uint64(data[pos]) - 0x80
return data[pos+1 : pos+1+b], pos + 1 + b
case char <= 0xbf:
b := uint64(data[pos]) - 0xb7
b2 := ReadVarint(bytes.NewReader(data[pos+1 : pos+1+b]))
return data[pos+1+b : pos+1+b+b2], pos + 1 + b + b2
case char <= 0xf7:
b := uint64(data[pos]) - 0xc0
prevPos := pos
pos++
for i := uint64(0); i < b; {
var obj interface{}
// Get the next item in the data list and append it
obj, prevPos = Decode(data, pos)
slice = append(slice, obj)
// Increment i by the amount bytes read in the previous
// read
i += (prevPos - pos)
pos = prevPos
}
return slice, pos
case char <= 0xff: case char <= 0xff:
l := uint64(data[pos]) - 0xf7 length := ReadVarInt(reader.Next(int(char - 0xf7)))
b := ReadVarint(bytes.NewReader(data[pos+1 : pos+1+l])) for i := uint64(0); i < length; i++ {
obj := DecodeWithReader(reader)
pos = pos + l + 1 if obj != nil {
prevPos := b
for i := uint64(0); i < uint64(b); {
var obj interface{}
obj, prevPos = Decode(data, pos)
slice = append(slice, obj) slice = append(slice, obj)
} else {
i += (prevPos - pos) break
pos = prevPos }
} }
return slice, pos
default: default:
panic(fmt.Sprintf("byte not supported: %q", char))
} }
return slice, 0 return slice
} }
var ( var (
...@@ -223,3 +168,67 @@ func Encode(object interface{}) []byte { ...@@ -223,3 +168,67 @@ func Encode(object interface{}) []byte {
return buff.Bytes() return buff.Bytes()
} }
// TODO Use a bytes.Buffer instead of a raw byte slice.
// Cleaner code, and use draining instead of seeking the next bytes to read
func Decode(data []byte, pos uint64) (interface{}, uint64) {
var slice []interface{}
char := int(data[pos])
switch {
case char <= 0x7f:
return data[pos], pos + 1
case char <= 0xb7:
b := uint64(data[pos]) - 0x80
return data[pos+1 : pos+1+b], pos + 1 + b
case char <= 0xbf:
b := uint64(data[pos]) - 0xb7
b2 := ReadVarInt(data[pos+1 : pos+1+b])
return data[pos+1+b : pos+1+b+b2], pos + 1 + b + b2
case char <= 0xf7:
b := uint64(data[pos]) - 0xc0
prevPos := pos
pos++
for i := uint64(0); i < b; {
var obj interface{}
// Get the next item in the data list and append it
obj, prevPos = Decode(data, pos)
slice = append(slice, obj)
// Increment i by the amount bytes read in the previous
// read
i += (prevPos - pos)
pos = prevPos
}
return slice, pos
case char <= 0xff:
l := uint64(data[pos]) - 0xf7
b := ReadVarInt(data[pos+1 : pos+1+l])
pos = pos + l + 1
prevPos := b
for i := uint64(0); i < uint64(b); {
var obj interface{}
obj, prevPos = Decode(data, pos)
slice = append(slice, obj)
i += (prevPos - pos)
pos = prevPos
}
return slice, pos
default:
panic(fmt.Sprintf("byte not supported: %q", char))
}
return slice, 0
}
...@@ -44,6 +44,17 @@ func TestValueSlice(t *testing.T) { ...@@ -44,6 +44,17 @@ func TestValueSlice(t *testing.T) {
} }
} }
func TestLargeData(t *testing.T) {
data := make([]byte, 100000)
enc := Encode(data)
value := NewValue(enc)
value.Decode()
if value.Len() != len(data) {
t.Error("Expected data to be", len(data), "got", value.Len())
}
}
func TestValue(t *testing.T) { func TestValue(t *testing.T) {
value := NewValueFromBytes([]byte("\xcd\x83dog\x83god\x83cat\x01")) value := NewValueFromBytes([]byte("\xcd\x83dog\x83god\x83cat\x01"))
if value.Get(0).Str() != "dog" { if value.Get(0).Str() != "dog" {
......
package ethutil package ethutil
import ( import (
"bytes"
"fmt" "fmt"
"math/big" "math/big"
"reflect" "reflect"
...@@ -67,7 +66,9 @@ func (val *Value) Uint() uint64 { ...@@ -67,7 +66,9 @@ func (val *Value) Uint() uint64 {
} else if Val, ok := val.Val.(uint); ok { } else if Val, ok := val.Val.(uint); ok {
return uint64(Val) return uint64(Val)
} else if Val, ok := val.Val.([]byte); ok { } else if Val, ok := val.Val.([]byte); ok {
return ReadVarint(bytes.NewReader(Val)) return new(big.Int).SetBytes(Val).Uint64()
} else if Val, ok := val.Val.(*big.Int); ok {
return Val.Uint64()
} }
return 0 return 0
...@@ -205,6 +206,13 @@ func (val *Value) Cmp(o *Value) bool { ...@@ -205,6 +206,13 @@ func (val *Value) Cmp(o *Value) bool {
return reflect.DeepEqual(val.Val, o.Val) return reflect.DeepEqual(val.Val, o.Val)
} }
func (self *Value) DeepCmp(o *Value) bool {
a := NewValue(self.BigInt())
b := NewValue(o.BigInt())
return a.Cmp(b)
}
func (val *Value) Encode() []byte { func (val *Value) Encode() []byte {
return Encode(val.Val) return Encode(val.Val)
} }
...@@ -260,6 +268,55 @@ func (val *Value) Append(v interface{}) *Value { ...@@ -260,6 +268,55 @@ func (val *Value) Append(v interface{}) *Value {
return val return val
} }
const (
valOpAdd = iota
valOpDiv
valOpMul
valOpPow
valOpSub
)
// Math stuff
func (self *Value) doOp(op int, other interface{}) *Value {
left := self.BigInt()
right := NewValue(other).BigInt()
switch op {
case valOpAdd:
self.Val = left.Add(left, right)
case valOpDiv:
self.Val = left.Div(left, right)
case valOpMul:
self.Val = left.Mul(left, right)
case valOpPow:
self.Val = left.Exp(left, right, Big0)
case valOpSub:
self.Val = left.Sub(left, right)
}
return self
}
func (self *Value) Add(other interface{}) *Value {
return self.doOp(valOpAdd, other)
}
func (self *Value) Sub(other interface{}) *Value {
return self.doOp(valOpSub, other)
}
func (self *Value) Div(other interface{}) *Value {
return self.doOp(valOpDiv, other)
}
func (self *Value) Mul(other interface{}) *Value {
return self.doOp(valOpMul, other)
}
func (self *Value) Pow(other interface{}) *Value {
return self.doOp(valOpPow, other)
}
type ValueIterator struct { type ValueIterator struct {
value *Value value *Value
currentValue *Value currentValue *Value
......
...@@ -63,3 +63,18 @@ func TestIterator(t *testing.T) { ...@@ -63,3 +63,18 @@ func TestIterator(t *testing.T) {
i++ i++
} }
} }
func TestMath(t *testing.T) {
a := NewValue(1)
a.Add(1).Add(1)
if !a.DeepCmp(NewValue(3)) {
t.Error("Expected 3, got", a)
}
a = NewValue(2)
a.Sub(1).Sub(1)
if !a.DeepCmp(NewValue(0)) {
t.Error("Expected 0, got", a)
}
}
package ethvm
import (
"fmt"
"github.com/ethereum/eth-go/ethutil"
"math/big"
)
func Disassemble(script []byte) (asm []string) {
pc := new(big.Int)
for {
if pc.Cmp(big.NewInt(int64(len(script)))) >= 0 {
return
}
// Get the memory location of pc
val := script[pc.Int64()]
// Get the opcode (it must be an opcode!)
op := OpCode(val)
asm = append(asm, fmt.Sprintf("%v", op))
switch op {
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
pc.Add(pc, ethutil.Big1)
a := int64(op) - int64(PUSH1) + 1
if int(pc.Int64()+a) > len(script) {
return nil
}
data := script[pc.Int64() : pc.Int64()+a]
if len(data) == 0 {
data = []byte{0}
}
asm = append(asm, fmt.Sprintf("0x%x", data))
pc.Add(pc, big.NewInt(a-1))
}
pc.Add(pc, ethutil.Big1)
}
return
}
package ethchain package ethvm
// TODO Re write VM to use values instead of big integers? // TODO Re write VM to use values instead of big integers?
import ( import (
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"math/big" "math/big"
) )
type ClosureRef interface { type ClosureRef interface {
ReturnGas(*big.Int, *big.Int, *State) ReturnGas(*big.Int, *big.Int)
Address() []byte Address() []byte
GetStorage(*big.Int) *ethutil.Value GetStorage(*big.Int) *ethutil.Value
SetStorage(*big.Int, *ethutil.Value) SetStorage(*big.Int, *ethutil.Value)
N() *big.Int
} }
// Basic inline closure object which implement the 'closure' interface // Basic inline closure object which implement the 'closure' interface
type Closure struct { type Closure struct {
caller ClosureRef caller ClosureRef
object *StateObject object *ethstate.StateObject
Script []byte Code []byte
State *State
Gas, UsedGas, Price *big.Int Gas, UsedGas, Price *big.Int
...@@ -28,8 +27,8 @@ type Closure struct { ...@@ -28,8 +27,8 @@ type Closure struct {
} }
// Create a new closure for the given data items // Create a new closure for the given data items
func NewClosure(caller ClosureRef, object *StateObject, script []byte, state *State, gas, price *big.Int) *Closure { func NewClosure(caller ClosureRef, object *ethstate.StateObject, code []byte, gas, price *big.Int) *Closure {
c := &Closure{caller: caller, object: object, Script: script, State: state, Args: nil} c := &Closure{caller: caller, object: object, Code: code, Args: nil}
// Gas should be a pointer so it can safely be reduced through the run // Gas should be a pointer so it can safely be reduced through the run
// This pointer will be off the state transition // This pointer will be off the state transition
...@@ -57,11 +56,11 @@ func (c *Closure) Get(x *big.Int) *ethutil.Value { ...@@ -57,11 +56,11 @@ func (c *Closure) Get(x *big.Int) *ethutil.Value {
} }
func (c *Closure) Gets(x, y *big.Int) *ethutil.Value { func (c *Closure) Gets(x, y *big.Int) *ethutil.Value {
if x.Int64() >= int64(len(c.Script)) || y.Int64() >= int64(len(c.Script)) { if x.Int64() >= int64(len(c.Code)) || y.Int64() >= int64(len(c.Code)) {
return ethutil.NewValue(0) return ethutil.NewValue(0)
} }
partial := c.Script[x.Int64() : x.Int64()+y.Int64()] partial := c.Code[x.Int64() : x.Int64()+y.Int64()]
return ethutil.NewValue(partial) return ethutil.NewValue(partial)
} }
...@@ -84,7 +83,7 @@ func (c *Closure) Call(vm *Vm, args []byte) ([]byte, *big.Int, error) { ...@@ -84,7 +83,7 @@ func (c *Closure) Call(vm *Vm, args []byte) ([]byte, *big.Int, error) {
func (c *Closure) Return(ret []byte) []byte { func (c *Closure) Return(ret []byte) []byte {
// Return the remaining gas to the caller // Return the remaining gas to the caller
c.caller.ReturnGas(c.Gas, c.Price, c.State) c.caller.ReturnGas(c.Gas, c.Price)
return ret return ret
} }
...@@ -102,20 +101,16 @@ func (c *Closure) UseGas(gas *big.Int) bool { ...@@ -102,20 +101,16 @@ func (c *Closure) UseGas(gas *big.Int) bool {
} }
// Implement the caller interface // Implement the caller interface
func (c *Closure) ReturnGas(gas, price *big.Int, state *State) { func (c *Closure) ReturnGas(gas, price *big.Int) {
// Return the gas to the closure // Return the gas to the closure
c.Gas.Add(c.Gas, gas) c.Gas.Add(c.Gas, gas)
c.UsedGas.Sub(c.UsedGas, gas) c.UsedGas.Sub(c.UsedGas, gas)
} }
func (c *Closure) Object() *StateObject { func (c *Closure) Object() *ethstate.StateObject {
return c.object return c.object
} }
func (c *Closure) Caller() ClosureRef { func (c *Closure) Caller() ClosureRef {
return c.caller return c.caller
} }
func (c *Closure) N() *big.Int {
return c.object.N()
}
package ethvm
import (
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethutil"
"math/big"
)
var vmlogger = ethlog.NewLogger("VM")
var (
GasStep = big.NewInt(1)
GasSha = big.NewInt(20)
GasSLoad = big.NewInt(20)
GasSStore = big.NewInt(100)
GasBalance = big.NewInt(20)
GasCreate = big.NewInt(100)
GasCall = big.NewInt(20)
GasMemory = big.NewInt(1)
GasData = big.NewInt(5)
GasTx = big.NewInt(500)
Pow256 = ethutil.BigPow(2, 256)
LogTyPretty byte = 0x1
LogTyDiff byte = 0x2
)
package ethchain package ethvm
import ( import (
"fmt" "fmt"
......
package ethvm
import (
"fmt"
)
type OpCode int
// Op codes
const (
// 0x0 range - arithmetic ops
STOP = 0x00
ADD = 0x01
MUL = 0x02
SUB = 0x03
DIV = 0x04
SDIV = 0x05
MOD = 0x06
SMOD = 0x07
EXP = 0x08
NEG = 0x09
LT = 0x0a
GT = 0x0b
SLT = 0x0c
SGT = 0x0d
EQ = 0x0e
NOT = 0x0f
// 0x10 range - bit ops
AND = 0x10
OR = 0x11
XOR = 0x12
BYTE = 0x13
// 0x20 range - crypto
SHA3 = 0x20
// 0x30 range - closure state
ADDRESS = 0x30
BALANCE = 0x31
ORIGIN = 0x32
CALLER = 0x33
CALLVALUE = 0x34
CALLDATALOAD = 0x35
CALLDATASIZE = 0x36
CALLDATACOPY = 0x37
CODESIZE = 0x38
CODECOPY = 0x39
GASPRICE = 0x3a
// 0x40 range - block operations
PREVHASH = 0x40
COINBASE = 0x41
TIMESTAMP = 0x42
NUMBER = 0x43
DIFFICULTY = 0x44
GASLIMIT = 0x45
// 0x50 range - 'storage' and execution
POP = 0x50
DUP = 0x51
SWAP = 0x52
MLOAD = 0x53
MSTORE = 0x54
MSTORE8 = 0x55
SLOAD = 0x56
SSTORE = 0x57
JUMP = 0x58
JUMPI = 0x59
PC = 0x5a
MSIZE = 0x5b
GAS = 0x5c
// 0x60 range
PUSH1 = 0x60
PUSH2 = 0x61
PUSH3 = 0x62
PUSH4 = 0x63
PUSH5 = 0x64
PUSH6 = 0x65
PUSH7 = 0x66
PUSH8 = 0x67
PUSH9 = 0x68
PUSH10 = 0x69
PUSH11 = 0x6a
PUSH12 = 0x6b
PUSH13 = 0x6c
PUSH14 = 0x6d
PUSH15 = 0x6e
PUSH16 = 0x6f
PUSH17 = 0x70
PUSH18 = 0x71
PUSH19 = 0x72
PUSH20 = 0x73
PUSH21 = 0x74
PUSH22 = 0x75
PUSH23 = 0x76
PUSH24 = 0x77
PUSH25 = 0x78
PUSH26 = 0x79
PUSH27 = 0x7a
PUSH28 = 0x7b
PUSH29 = 0x7c
PUSH30 = 0x7d
PUSH31 = 0x7e
PUSH32 = 0x7f
// 0xf0 range - closures
CREATE = 0xf0
CALL = 0xf1
RETURN = 0xf2
// 0x70 range - other
LOG = 0xfe // XXX Unofficial
SUICIDE = 0xff
)
// Since the opcodes aren't all in order we can't use a regular slice
var opCodeToString = map[OpCode]string{
// 0x0 range - arithmetic ops
STOP: "STOP",
ADD: "ADD",
MUL: "MUL",
SUB: "SUB",
DIV: "DIV",
SDIV: "SDIV",
MOD: "MOD",
SMOD: "SMOD",
EXP: "EXP",
NEG: "NEG",
LT: "LT",
GT: "GT",
SLT: "SLT",
SGT: "SGT",
EQ: "EQ",
NOT: "NOT",
// 0x10 range - bit ops
AND: "AND",
OR: "OR",
XOR: "XOR",
BYTE: "BYTE",
// 0x20 range - crypto
SHA3: "SHA3",
// 0x30 range - closure state
ADDRESS: "ADDRESS",
BALANCE: "BALANCE",
ORIGIN: "ORIGIN",
CALLER: "CALLER",
CALLVALUE: "CALLVALUE",
CALLDATALOAD: "CALLDATALOAD",
CALLDATASIZE: "CALLDATASIZE",
CALLDATACOPY: "CALLDATACOPY",
CODESIZE: "CODESIZE",
CODECOPY: "CODECOPY",
GASPRICE: "TXGASPRICE",
// 0x40 range - block operations
PREVHASH: "PREVHASH",
COINBASE: "COINBASE",
TIMESTAMP: "TIMESTAMP",
NUMBER: "NUMBER",
DIFFICULTY: "DIFFICULTY",
GASLIMIT: "GASLIMIT",
// 0x50 range - 'storage' and execution
POP: "POP",
DUP: "DUP",
SWAP: "SWAP",
MLOAD: "MLOAD",
MSTORE: "MSTORE",
MSTORE8: "MSTORE8",
SLOAD: "SLOAD",
SSTORE: "SSTORE",
JUMP: "JUMP",
JUMPI: "JUMPI",
PC: "PC",
MSIZE: "MSIZE",
GAS: "GAS",
// 0x60 range - push
PUSH1: "PUSH1",
PUSH2: "PUSH2",
PUSH3: "PUSH3",
PUSH4: "PUSH4",
PUSH5: "PUSH5",
PUSH6: "PUSH6",
PUSH7: "PUSH7",
PUSH8: "PUSH8",
PUSH9: "PUSH9",
PUSH10: "PUSH10",
PUSH11: "PUSH11",
PUSH12: "PUSH12",
PUSH13: "PUSH13",
PUSH14: "PUSH14",
PUSH15: "PUSH15",
PUSH16: "PUSH16",
PUSH17: "PUSH17",
PUSH18: "PUSH18",
PUSH19: "PUSH19",
PUSH20: "PUSH20",
PUSH21: "PUSH21",
PUSH22: "PUSH22",
PUSH23: "PUSH23",
PUSH24: "PUSH24",
PUSH25: "PUSH25",
PUSH26: "PUSH26",
PUSH27: "PUSH27",
PUSH28: "PUSH28",
PUSH29: "PUSH29",
PUSH30: "PUSH30",
PUSH31: "PUSH31",
PUSH32: "PUSH32",
// 0xf0 range
CREATE: "CREATE",
CALL: "CALL",
RETURN: "RETURN",
// 0x70 range - other
LOG: "LOG",
SUICIDE: "SUICIDE",
}
func (o OpCode) String() string {
str := opCodeToString[o]
if len(str) == 0 {
return fmt.Sprintf("Missing opcode 0x%x", int(o))
}
return str
}
// Op codes for assembling
var OpCodes = map[string]byte{
// 0x0 range - arithmetic ops
"STOP": 0x00,
"ADD": 0x01,
"MUL": 0x02,
"SUB": 0x03,
"DIV": 0x04,
"SDIV": 0x05,
"MOD": 0x06,
"SMOD": 0x07,
"EXP": 0x08,
"NEG": 0x09,
"LT": 0x0a,
"GT": 0x0b,
"EQ": 0x0c,
"NOT": 0x0d,
// 0x10 range - bit ops
"AND": 0x10,
"OR": 0x11,
"XOR": 0x12,
"BYTE": 0x13,
// 0x20 range - crypto
"SHA3": 0x20,
// 0x30 range - closure state
"ADDRESS": 0x30,
"BALANCE": 0x31,
"ORIGIN": 0x32,
"CALLER": 0x33,
"CALLVALUE": 0x34,
"CALLDATALOAD": 0x35,
"CALLDATASIZE": 0x36,
"GASPRICE": 0x38,
// 0x40 range - block operations
"PREVHASH": 0x40,
"COINBASE": 0x41,
"TIMESTAMP": 0x42,
"NUMBER": 0x43,
"DIFFICULTY": 0x44,
"GASLIMIT": 0x45,
// 0x50 range - 'storage' and execution
"POP": 0x51,
"DUP": 0x52,
"SWAP": 0x53,
"MLOAD": 0x54,
"MSTORE": 0x55,
"MSTORE8": 0x56,
"SLOAD": 0x57,
"SSTORE": 0x58,
"JUMP": 0x59,
"JUMPI": 0x5a,
"PC": 0x5b,
"MSIZE": 0x5c,
// 0x70 range - 'push'
"PUSH1": 0x60,
"PUSH2": 0x61,
"PUSH3": 0x62,
"PUSH4": 0x63,
"PUSH5": 0x64,
"PUSH6": 0x65,
"PUSH7": 0x66,
"PUSH8": 0x67,
"PUSH9": 0x68,
"PUSH10": 0x69,
"PUSH11": 0x6a,
"PUSH12": 0x6b,
"PUSH13": 0x6c,
"PUSH14": 0x6d,
"PUSH15": 0x6e,
"PUSH16": 0x6f,
"PUSH17": 0x70,
"PUSH18": 0x71,
"PUSH19": 0x72,
"PUSH20": 0x73,
"PUSH21": 0x74,
"PUSH22": 0x75,
"PUSH23": 0x76,
"PUSH24": 0x77,
"PUSH25": 0x78,
"PUSH26": 0x70,
"PUSH27": 0x7a,
"PUSH28": 0x7b,
"PUSH29": 0x7c,
"PUSH30": 0x7d,
"PUSH31": 0x7e,
"PUSH32": 0x7f,
// 0xf0 range - closures
"CREATE": 0xf0,
"CALL": 0xf1,
"RETURN": 0xf2,
// 0x70 range - other
"LOG": 0xfe,
"SUICIDE": 0x7f,
}
func IsOpCode(s string) bool {
for key, _ := range OpCodes {
if key == s {
return true
}
}
return false
}
This diff is collapsed.
package ethvm
import (
"fmt"
"github.com/ethereum/eth-go/ethdb"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
"log"
"math/big"
"os"
"testing"
)
type TestEnv struct {
}
func (self TestEnv) Origin() []byte { return nil }
func (self TestEnv) BlockNumber() *big.Int { return nil }
func (self TestEnv) PrevHash() []byte { return nil }
func (self TestEnv) Coinbase() []byte { return nil }
func (self TestEnv) Time() int64 { return 0 }
func (self TestEnv) Difficulty() *big.Int { return nil }
func (self TestEnv) Value() *big.Int { return nil }
func (self TestEnv) State() *ethstate.State { return nil }
func TestVm(t *testing.T) {
ethlog.AddLogSystem(ethlog.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlog.LogLevel(4)))
db, _ := ethdb.NewMemDatabase()
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
ethutil.Config.Db = db
stateObject := ethstate.NewStateObject([]byte{'j', 'e', 'f', 'f'})
callerClosure := NewClosure(stateObject, stateObject, []byte{0x60, 0x01}, big.NewInt(1000000), big.NewInt(0))
vm := New(TestEnv{})
vm.Verbose = true
ret, _, e := callerClosure.Call(vm, nil)
if e != nil {
fmt.Println("error", e)
}
fmt.Println(ret)
}
...@@ -4,15 +4,16 @@ import ( ...@@ -4,15 +4,16 @@ import (
"bytes" "bytes"
"container/list" "container/list"
"fmt" "fmt"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"net" "net"
"strconv" "strconv"
"strings" "strings"
"sync/atomic" "sync/atomic"
"time" "time"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
) )
var peerlogger = ethlog.NewLogger("PEER") var peerlogger = ethlog.NewLogger("PEER")
...@@ -21,7 +22,7 @@ const ( ...@@ -21,7 +22,7 @@ const (
// The size of the output buffer for writing messages // The size of the output buffer for writing messages
outputBufferSize = 50 outputBufferSize = 50
// Current protocol version // Current protocol version
ProtocolVersion = 23 ProtocolVersion = 25
// Interval for ping/pong message // Interval for ping/pong message
pingPongTimer = 2 * time.Second pingPongTimer = 2 * time.Second
) )
...@@ -122,9 +123,7 @@ type Peer struct { ...@@ -122,9 +123,7 @@ type Peer struct {
// Last received pong message // Last received pong message
lastPong int64 lastPong int64
// Indicates whether a MsgGetPeersTy was requested of the peer lastBlockReceived time.Time
// this to prevent receiving false peers.
requestedPeerList bool
host []byte host []byte
port uint16 port uint16
...@@ -180,10 +179,9 @@ func NewOutboundPeer(addr string, ethereum *Ethereum, caps Caps) *Peer { ...@@ -180,10 +179,9 @@ func NewOutboundPeer(addr string, ethereum *Ethereum, caps Caps) *Peer {
// Set up the connection in another goroutine so we don't block the main thread // Set up the connection in another goroutine so we don't block the main thread
go func() { go func() {
conn, err := net.DialTimeout("tcp", addr, 10*time.Second) conn, err := p.Connect(addr)
if err != nil { if err != nil {
peerlogger.Debugln("Connection to peer failed", err) peerlogger.Debugln("Connection to peer failed. Giving up.", err)
p.Stop() p.Stop()
return return
} }
...@@ -199,6 +197,23 @@ func NewOutboundPeer(addr string, ethereum *Ethereum, caps Caps) *Peer { ...@@ -199,6 +197,23 @@ func NewOutboundPeer(addr string, ethereum *Ethereum, caps Caps) *Peer {
return p return p
} }
func (self *Peer) Connect(addr string) (conn net.Conn, err error) {
const maxTries = 3
for attempts := 0; attempts < maxTries; attempts++ {
conn, err = net.DialTimeout("tcp", addr, 10*time.Second)
if err != nil {
//peerlogger.Debugf("Peer connection failed. Retrying (%d/%d) (%s)\n", attempts+1, maxTries, addr)
time.Sleep(time.Duration(attempts*20) * time.Second)
continue
}
// Success
return
}
return
}
// Getters // Getters
func (p *Peer) PingTime() string { func (p *Peer) PingTime() string {
return p.pingTime.String() return p.pingTime.String()
...@@ -279,12 +294,14 @@ out: ...@@ -279,12 +294,14 @@ out:
// Ping timer // Ping timer
case <-pingTimer.C: case <-pingTimer.C:
/*
timeSince := time.Since(time.Unix(p.lastPong, 0)) timeSince := time.Since(time.Unix(p.lastPong, 0))
if !p.pingStartTime.IsZero() && p.lastPong != 0 && timeSince > (pingPongTimer+30*time.Second) { if !p.pingStartTime.IsZero() && p.lastPong != 0 && timeSince > (pingPongTimer+30*time.Second) {
peerlogger.Infof("Peer did not respond to latest pong fast enough, it took %s, disconnecting.\n", timeSince) peerlogger.Infof("Peer did not respond to latest pong fast enough, it took %s, disconnecting.\n", timeSince)
p.Stop() p.Stop()
return return
} }
*/
p.writeMessage(ethwire.NewMessage(ethwire.MsgPingTy, "")) p.writeMessage(ethwire.NewMessage(ethwire.MsgPingTy, ""))
p.pingStartTime = time.Now() p.pingStartTime = time.Now()
...@@ -339,7 +356,7 @@ func (p *Peer) HandleInbound() { ...@@ -339,7 +356,7 @@ func (p *Peer) HandleInbound() {
} }
case ethwire.MsgDiscTy: case ethwire.MsgDiscTy:
p.Stop() p.Stop()
peerlogger.Infoln("Disconnect peer:", DiscReason(msg.Data.Get(0).Uint())) peerlogger.Infoln("Disconnect peer: ", DiscReason(msg.Data.Get(0).Uint()))
case ethwire.MsgPingTy: case ethwire.MsgPingTy:
// Respond back with pong // Respond back with pong
p.QueueMessage(ethwire.NewMessage(ethwire.MsgPongTy, "")) p.QueueMessage(ethwire.NewMessage(ethwire.MsgPongTy, ""))
...@@ -348,11 +365,17 @@ func (p *Peer) HandleInbound() { ...@@ -348,11 +365,17 @@ func (p *Peer) HandleInbound() {
// last pong so the peer handler knows this peer is still // last pong so the peer handler knows this peer is still
// active. // active.
p.lastPong = time.Now().Unix() p.lastPong = time.Now().Unix()
p.pingTime = time.Now().Sub(p.pingStartTime) p.pingTime = time.Since(p.pingStartTime)
case ethwire.MsgBlockTy: case ethwire.MsgBlockTy:
// Get all blocks and process them // Get all blocks and process them
var block, lastBlock *ethchain.Block //var block, lastBlock *ethchain.Block
var err error //var err error
var (
block, lastBlock *ethchain.Block
blockChain = p.ethereum.BlockChain()
err error
)
// Make sure we are actually receiving anything // Make sure we are actually receiving anything
if msg.Data.Len()-1 > 1 && p.diverted { if msg.Data.Len()-1 > 1 && p.diverted {
...@@ -368,11 +391,11 @@ func (p *Peer) HandleInbound() { ...@@ -368,11 +391,11 @@ func (p *Peer) HandleInbound() {
for i := msg.Data.Len() - 1; i >= 0; i-- { for i := msg.Data.Len() - 1; i >= 0; i-- {
block = ethchain.NewBlockFromRlpValue(msg.Data.Get(i)) block = ethchain.NewBlockFromRlpValue(msg.Data.Get(i))
// Do we have this block on our chain? If so we can continue // Do we have this block on our chain? If so we can continue
if !p.ethereum.StateManager().BlockChain().HasBlock(block.Hash()) { if !blockChain.HasBlock(block.Hash()) {
// We don't have this block, but we do have a block with the same prevHash, diversion time! // We don't have this block, but we do have a block with the same prevHash, diversion time!
if p.ethereum.StateManager().BlockChain().HasBlockWithPrevHash(block.PrevHash) { if blockChain.HasBlockWithPrevHash(block.PrevHash) {
p.diverted = false p.diverted = false
if !p.ethereum.StateManager().BlockChain().FindCanonicalChainFromMsg(msg, block.PrevHash) { if !blockChain.FindCanonicalChainFromMsg(msg, block.PrevHash) {
p.SyncWithPeerToLastKnown() p.SyncWithPeerToLastKnown()
break nextMsg break nextMsg
} }
...@@ -397,10 +420,7 @@ func (p *Peer) HandleInbound() { ...@@ -397,10 +420,7 @@ func (p *Peer) HandleInbound() {
for i := msg.Data.Len() - 1; i >= 0; i-- { for i := msg.Data.Len() - 1; i >= 0; i-- {
block = ethchain.NewBlockFromRlpValue(msg.Data.Get(i)) block = ethchain.NewBlockFromRlpValue(msg.Data.Get(i))
//p.ethereum.StateManager().PrepareDefault(block)
//state := p.ethereum.StateManager().CurrentState()
err = p.ethereum.StateManager().Process(block, false) err = p.ethereum.StateManager().Process(block, false)
if err != nil { if err != nil {
if ethutil.Config.Debug { if ethutil.Config.Debug {
peerlogger.Infof("Block %x failed\n", block.Hash()) peerlogger.Infof("Block %x failed\n", block.Hash())
...@@ -411,6 +431,8 @@ func (p *Peer) HandleInbound() { ...@@ -411,6 +431,8 @@ func (p *Peer) HandleInbound() {
} else { } else {
lastBlock = block lastBlock = block
} }
p.lastBlockReceived = time.Now()
} }
if msg.Data.Len() <= 1 { if msg.Data.Len() <= 1 {
...@@ -422,19 +444,20 @@ func (p *Peer) HandleInbound() { ...@@ -422,19 +444,20 @@ func (p *Peer) HandleInbound() {
if err != nil { if err != nil {
// If the parent is unknown try to catch up with this peer // If the parent is unknown try to catch up with this peer
if ethchain.IsParentErr(err) { if ethchain.IsParentErr(err) {
/*
b := ethchain.NewBlockFromRlpValue(msg.Data.Get(0)) b := ethchain.NewBlockFromRlpValue(msg.Data.Get(0))
peerlogger.Infof("Attempting to catch (%x). Parent known\n", b.Hash()) peerlogger.Infof("Attempting to catch (%x). Parent unknown\n", b.Hash())
p.catchingUp = false p.catchingUp = false
p.CatchupWithPeer(b.Hash()) p.CatchupWithPeer(b.Hash())
peerlogger.Infoln(b) peerlogger.Infoln(b)
*/
/*
peerlogger.Infoln("Attempting to catch. Parent known") peerlogger.Infoln("Attempting to catch. Parent known")
p.catchingUp = false p.catchingUp = false
p.CatchupWithPeer(p.ethereum.BlockChain().CurrentBlock.Hash()) p.CatchupWithPeer(p.ethereum.BlockChain().CurrentBlock.Hash())
*/
} else if ethchain.IsValidationErr(err) { } else if ethchain.IsValidationErr(err) {
fmt.Println("Err:", err) fmt.Println("Err:", err)
p.catchingUp = false p.catchingUp = false
...@@ -463,15 +486,10 @@ func (p *Peer) HandleInbound() { ...@@ -463,15 +486,10 @@ func (p *Peer) HandleInbound() {
p.ethereum.TxPool().QueueTransaction(tx) p.ethereum.TxPool().QueueTransaction(tx)
} }
case ethwire.MsgGetPeersTy: case ethwire.MsgGetPeersTy:
// Flag this peer as a 'requested of new peers' this to
// prevent malicious peers being forced.
p.requestedPeerList = true
// Peer asked for list of connected peers // Peer asked for list of connected peers
p.pushPeers() p.pushPeers()
case ethwire.MsgPeersTy: case ethwire.MsgPeersTy:
// Received a list of peers (probably because MsgGetPeersTy was send) // Received a list of peers (probably because MsgGetPeersTy was send)
// Only act on message if we actually requested for a peers list
if p.requestedPeerList {
data := msg.Data data := msg.Data
// Create new list of possible peers for the ethereum to process // Create new list of possible peers for the ethereum to process
peers := make([]string, data.Len()) peers := make([]string, data.Len())
...@@ -483,10 +501,6 @@ func (p *Peer) HandleInbound() { ...@@ -483,10 +501,6 @@ func (p *Peer) HandleInbound() {
// Connect to the list of peers // Connect to the list of peers
p.ethereum.ProcessPeerList(peers) p.ethereum.ProcessPeerList(peers)
// Mark unrequested again
p.requestedPeerList = false
}
case ethwire.MsgGetChainTy: case ethwire.MsgGetChainTy:
var parent *ethchain.Block var parent *ethchain.Block
// Length minus one since the very last element in the array is a count // Length minus one since the very last element in the array is a count
...@@ -559,6 +573,25 @@ func (p *Peer) HandleInbound() { ...@@ -559,6 +573,25 @@ func (p *Peer) HandleInbound() {
p.Stop() p.Stop()
} }
// General update method
func (self *Peer) update() {
serviceTimer := time.NewTicker(5 * time.Second)
out:
for {
select {
case <-serviceTimer.C:
if time.Since(self.lastBlockReceived) > 10*time.Second {
self.catchingUp = false
}
case <-self.quit:
break out
}
}
serviceTimer.Stop()
}
func (p *Peer) Start() { func (p *Peer) Start() {
peerHost, peerPort, _ := net.SplitHostPort(p.conn.LocalAddr().String()) peerHost, peerPort, _ := net.SplitHostPort(p.conn.LocalAddr().String())
servHost, servPort, _ := net.SplitHostPort(p.conn.RemoteAddr().String()) servHost, servPort, _ := net.SplitHostPort(p.conn.RemoteAddr().String())
...@@ -581,6 +614,8 @@ func (p *Peer) Start() { ...@@ -581,6 +614,8 @@ func (p *Peer) Start() {
go p.HandleOutbound() go p.HandleOutbound()
// Run the inbound handler in a new goroutine // Run the inbound handler in a new goroutine
go p.HandleInbound() go p.HandleInbound()
// Run the general update handler
go p.update()
// Wait a few seconds for startup and then ask for an initial ping // Wait a few seconds for startup and then ask for an initial ping
time.Sleep(2 * time.Second) time.Sleep(2 * time.Second)
...@@ -698,11 +733,13 @@ func (p *Peer) handleHandshake(msg *ethwire.Msg) { ...@@ -698,11 +733,13 @@ func (p *Peer) handleHandshake(msg *ethwire.Msg) {
ethlogger.Infof("Added peer (%s) %d / %d\n", p.conn.RemoteAddr(), p.ethereum.Peers().Len(), p.ethereum.MaxPeers) ethlogger.Infof("Added peer (%s) %d / %d\n", p.conn.RemoteAddr(), p.ethereum.Peers().Len(), p.ethereum.MaxPeers)
/*
// Catch up with the connected peer // Catch up with the connected peer
if !p.ethereum.IsUpToDate() { if !p.ethereum.IsUpToDate() {
peerlogger.Debugln("Already syncing up with a peer; sleeping") peerlogger.Debugln("Already syncing up with a peer; sleeping")
time.Sleep(10 * time.Second) time.Sleep(10 * time.Second)
} }
*/
p.SyncWithPeerToLastKnown() p.SyncWithPeerToLastKnown()
peerlogger.Debugln(p) peerlogger.Debugln(p)
...@@ -757,7 +794,7 @@ func (p *Peer) CatchupWithPeer(blockHash []byte) { ...@@ -757,7 +794,7 @@ func (p *Peer) CatchupWithPeer(blockHash []byte) {
if !p.catchingUp { if !p.catchingUp {
// Make sure nobody else is catching up when you want to do this // Make sure nobody else is catching up when you want to do this
p.catchingUp = true p.catchingUp = true
msg := ethwire.NewMessage(ethwire.MsgGetChainTy, []interface{}{blockHash, uint64(30)}) msg := ethwire.NewMessage(ethwire.MsgGetChainTy, []interface{}{blockHash, uint64(100)})
p.QueueMessage(msg) p.QueueMessage(msg)
peerlogger.DebugDetailf("Requesting blockchain %x... from peer %s\n", p.ethereum.BlockChain().CurrentBlock.Hash()[:4], p.conn.RemoteAddr()) peerlogger.DebugDetailf("Requesting blockchain %x... from peer %s\n", p.ethereum.BlockChain().CurrentBlock.Hash()[:4], p.conn.RemoteAddr())
......
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