Refactoring state transitioning
This commit is contained in:
obscuren
parent
b855e5f7df
commit
d078e9b8c9
|
|
@ -25,16 +25,10 @@ func Disassemble(script []byte) (asm []string) {
|
|||
pc.Add(pc, ethutil.Big1)
|
||||
a := int64(op) - int64(PUSH1) + 1
|
||||
data := script[pc.Int64() : pc.Int64()+a]
|
||||
val := ethutil.BigD(data)
|
||||
|
||||
var b []byte
|
||||
if val.Int64() == 0 {
|
||||
b = []byte{0}
|
||||
} else {
|
||||
b = val.Bytes()
|
||||
if len(data) == 0 {
|
||||
data = []byte{0}
|
||||
}
|
||||
|
||||
asm = append(asm, fmt.Sprintf("0x%x", b))
|
||||
asm = append(asm, fmt.Sprintf("0x%x", data))
|
||||
|
||||
pc.Add(pc, big.NewInt(a-1))
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,225 @@
|
|||
package ethchain
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"github.com/ethereum/eth-go/ethutil"
|
||||
"math/big"
|
||||
)
|
||||
|
||||
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, gas *big.Int, err error) {
|
||||
account := state.GetAccount(tx.Sender())
|
||||
|
||||
err = account.ConvertGas(tx.Gas, tx.GasPrice)
|
||||
if err != nil {
|
||||
ethutil.Config.Log.Debugln(err)
|
||||
return
|
||||
}
|
||||
|
||||
closure := NewClosure(account, object, script, state, tx.Gas, tx.GasPrice)
|
||||
vm := NewVm(state, sm, RuntimeVars{
|
||||
Origin: account.Address(),
|
||||
BlockNumber: block.BlockInfo().Number,
|
||||
PrevHash: block.PrevHash,
|
||||
Coinbase: block.Coinbase,
|
||||
Time: block.Time,
|
||||
Diff: block.Difficulty,
|
||||
Value: tx.Value,
|
||||
//Price: tx.GasPrice,
|
||||
})
|
||||
ret, gas, err = closure.Call(vm, tx.Data, nil)
|
||||
|
||||
// Update the account (refunds)
|
||||
state.UpdateStateObject(account)
|
||||
state.UpdateStateObject(object)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (self *StateManager) ProcessTransaction(tx *Transaction, coinbase *StateObject, 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 {
|
||||
ethutil.Config.Log.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
|
||||
self.Ethereum.Reactor().Post("newTx:post", tx)
|
||||
}()
|
||||
|
||||
txTotalBytes := big.NewInt(int64(len(tx.Data)))
|
||||
//fmt.Println("txTotalBytes", txTotalBytes)
|
||||
//txTotalBytes.Div(txTotalBytes, ethutil.Big32)
|
||||
addGas(new(big.Int).Mul(txTotalBytes, GasData))
|
||||
|
||||
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 {
|
||||
state.UpdateStateObject(sender)
|
||||
err = fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
|
||||
return
|
||||
}
|
||||
|
||||
coinbase.BuyGas(gas, tx.GasPrice)
|
||||
state.UpdateStateObject(coinbase)
|
||||
fmt.Printf("1. root %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)
|
||||
state.UpdateStateObject(sender)
|
||||
fmt.Printf("3. root %x\n", state.Root())
|
||||
|
||||
// Add the amount to receivers account which should conclude this transaction
|
||||
receiver.AddAmount(tx.Value)
|
||||
state.UpdateStateObject(receiver)
|
||||
fmt.Printf("2. root %x\n", state.Root())
|
||||
}
|
||||
|
||||
ethutil.Config.Log.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (sm *StateManager) ApplyTransaction(coinbase []byte, state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
|
||||
/*
|
||||
Applies transactions to the given state and creates new
|
||||
state objects where needed.
|
||||
|
||||
If said objects needs to be created
|
||||
run the initialization script provided by the transaction and
|
||||
assume there's a return value. The return value will be set to
|
||||
the script section of the state object.
|
||||
*/
|
||||
var (
|
||||
addTotalGas = func(gas *big.Int) { totalGasUsed.Add(totalGasUsed, gas) }
|
||||
gas = new(big.Int)
|
||||
script []byte
|
||||
)
|
||||
totalGasUsed = big.NewInt(0)
|
||||
snapshot := state.Snapshot()
|
||||
|
||||
ca := state.GetAccount(coinbase)
|
||||
// Apply the transaction to the current state
|
||||
gas, err = sm.ProcessTransaction(tx, ca, state, false)
|
||||
addTotalGas(gas)
|
||||
fmt.Println("gas used by tx", gas)
|
||||
|
||||
if tx.CreatesContract() {
|
||||
if err == nil {
|
||||
// Create a new state object and the transaction
|
||||
// as it's data provider.
|
||||
contract := sm.MakeStateObject(state, tx)
|
||||
if contract != nil {
|
||||
fmt.Println(Disassemble(contract.Init()))
|
||||
// Evaluate the initialization script
|
||||
// and use the return value as the
|
||||
// script section for the state object.
|
||||
script, gas, err = sm.EvalScript(state, contract.Init(), contract, tx, block)
|
||||
fmt.Println("gas used by eval", gas)
|
||||
addTotalGas(gas)
|
||||
fmt.Println("total =", totalGasUsed)
|
||||
|
||||
fmt.Println("script len =", len(script))
|
||||
|
||||
if err != nil {
|
||||
err = fmt.Errorf("[STATE] Error during init script run %v", err)
|
||||
return
|
||||
}
|
||||
contract.script = script
|
||||
state.UpdateStateObject(contract)
|
||||
} else {
|
||||
err = fmt.Errorf("[STATE] Unable to create contract")
|
||||
}
|
||||
} else {
|
||||
err = fmt.Errorf("[STATE] contract creation tx: %v for sender %x", err, tx.Sender())
|
||||
}
|
||||
} else {
|
||||
// Find the state object at the "recipient" address. If
|
||||
// there's an object attempt to run the script.
|
||||
stateObject := state.GetStateObject(tx.Recipient)
|
||||
if err == nil && stateObject != nil && len(stateObject.Script()) > 0 {
|
||||
_, gas, err = sm.EvalScript(state, stateObject.Script(), stateObject, tx, block)
|
||||
addTotalGas(gas)
|
||||
}
|
||||
}
|
||||
|
||||
parent := sm.bc.GetBlock(block.PrevHash)
|
||||
total := new(big.Int).Add(block.GasUsed, totalGasUsed)
|
||||
limit := block.CalcGasLimit(parent)
|
||||
if total.Cmp(limit) > 0 {
|
||||
state.Revert(snapshot)
|
||||
err = GasLimitError(total, limit)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Apply transactions uses the transaction passed to it and applies them onto
|
||||
// the current processing state.
|
||||
func (sm *StateManager) ApplyTransactions(coinbase []byte, state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) {
|
||||
// Process each transaction/contract
|
||||
var receipts []*Receipt
|
||||
var validTxs []*Transaction
|
||||
var ignoredTxs []*Transaction // Transactions which go over the gasLimit
|
||||
|
||||
totalUsedGas := big.NewInt(0)
|
||||
|
||||
for _, tx := range txs {
|
||||
usedGas, err := sm.ApplyTransaction(coinbase, state, block, tx)
|
||||
if err != nil {
|
||||
if IsNonceErr(err) {
|
||||
continue
|
||||
}
|
||||
if IsGasLimitErr(err) {
|
||||
ignoredTxs = append(ignoredTxs, tx)
|
||||
// We need to figure out if we want to do something with thse txes
|
||||
ethutil.Config.Log.Debugln("Gastlimit:", err)
|
||||
continue
|
||||
}
|
||||
|
||||
ethutil.Config.Log.Infoln(err)
|
||||
}
|
||||
|
||||
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas))
|
||||
receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
|
||||
|
||||
receipts = append(receipts, receipt)
|
||||
validTxs = append(validTxs, tx)
|
||||
}
|
||||
|
||||
fmt.Println("################# MADE\n", receipts, "\n############################")
|
||||
|
||||
// Update the total gas used for the block (to be mined)
|
||||
block.GasUsed = totalUsedGas
|
||||
|
||||
return receipts, validTxs
|
||||
}
|
||||
|
|
@ -79,3 +79,20 @@ func IsNonceErr(err error) bool {
|
|||
|
||||
return ok
|
||||
}
|
||||
|
||||
type OutOfGasErr struct {
|
||||
Message string
|
||||
}
|
||||
|
||||
func OutOfGasError() *OutOfGasErr {
|
||||
return &OutOfGasErr{Message: "Out of gas"}
|
||||
}
|
||||
func (self *OutOfGasErr) Error() string {
|
||||
return self.Message
|
||||
}
|
||||
|
||||
func IsOutOfGasErr(err error) bool {
|
||||
_, ok := err.(*OutOfGasErr)
|
||||
|
||||
return ok
|
||||
}
|
||||
|
|
|
|||
|
|
@ -111,6 +111,12 @@ func (m *Memory) Set(offset, size int64, value []byte) {
|
|||
copy(m.store[offset:offset+size], value)
|
||||
}
|
||||
|
||||
func (m *Memory) Resize(size uint64) {
|
||||
if uint64(m.Len()) < size {
|
||||
m.store = append(m.store, make([]byte, size-uint64(m.Len()))...)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Memory) Get(offset, size int64) []byte {
|
||||
return m.store[offset : offset+size]
|
||||
}
|
||||
|
|
|
|||
|
|
@ -108,8 +108,86 @@ func (sm *StateManager) MakeStateObject(state *State, tx *Transaction) *StateObj
|
|||
return nil
|
||||
}
|
||||
|
||||
func (self *StateManager) ProcessTransaction(tx *Transaction, coinbase *StateObject, state *State, toContract bool) (gas *big.Int, err error) {
|
||||
fmt.Printf("state root before update %x\n", state.Root())
|
||||
type StateTransition struct {
|
||||
coinbase []byte
|
||||
tx *Transaction
|
||||
gas *big.Int
|
||||
state *State
|
||||
block *Block
|
||||
|
||||
cb, rec, sen *StateObject
|
||||
}
|
||||
|
||||
func NewStateTransition(coinbase []byte, gas *big.Int, tx *Transaction, state *State, block *Block) *StateTransition {
|
||||
return &StateTransition{coinbase, tx, new(big.Int), state, block, nil, nil, nil}
|
||||
}
|
||||
|
||||
func (self *StateTransition) Coinbase() *StateObject {
|
||||
if self.cb != nil {
|
||||
return self.cb
|
||||
}
|
||||
|
||||
self.cb = self.state.GetAccount(self.coinbase)
|
||||
return self.cb
|
||||
}
|
||||
func (self *StateTransition) Sender() *StateObject {
|
||||
if self.sen != nil {
|
||||
return self.sen
|
||||
}
|
||||
|
||||
self.sen = self.state.GetAccount(self.tx.Sender())
|
||||
return self.sen
|
||||
}
|
||||
func (self *StateTransition) Receiver() *StateObject {
|
||||
if self.tx.CreatesContract() {
|
||||
return nil
|
||||
}
|
||||
|
||||
if self.rec != nil {
|
||||
return self.rec
|
||||
}
|
||||
|
||||
self.rec = self.state.GetAccount(self.tx.Recipient)
|
||||
return self.rec
|
||||
}
|
||||
|
||||
func (self *StateTransition) UseGas(amount *big.Int) error {
|
||||
if self.gas.Cmp(amount) < 0 {
|
||||
return OutOfGasError()
|
||||
}
|
||||
self.gas.Sub(self.gas, amount)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateTransition) AddGas(amount *big.Int) {
|
||||
self.gas.Add(self.gas, amount)
|
||||
}
|
||||
|
||||
func (self *StateTransition) BuyGas() error {
|
||||
var err error
|
||||
|
||||
sender := self.Sender()
|
||||
if sender.Amount.Cmp(self.tx.GasValue()) < 0 {
|
||||
return fmt.Errorf("Insufficient funds to pre-pay gas. Req %v, has %v", self.tx.GasValue(), self.tx.Value)
|
||||
}
|
||||
|
||||
coinbase := self.Coinbase()
|
||||
err = coinbase.BuyGas(self.tx.Gas, self.tx.GasPrice)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
self.state.UpdateStateObject(coinbase)
|
||||
|
||||
self.AddGas(self.tx.Gas)
|
||||
sender.SubAmount(self.tx.GasValue())
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateManager) TransitionState(st *StateTransition) (err error) {
|
||||
//snapshot := st.state.Snapshot()
|
||||
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
ethutil.Config.Log.Infoln(r)
|
||||
|
|
@ -117,173 +195,144 @@ func (self *StateManager) ProcessTransaction(tx *Transaction, coinbase *StateObj
|
|||
}
|
||||
}()
|
||||
|
||||
gas = new(big.Int)
|
||||
addGas := func(g *big.Int) { gas.Add(gas, g) }
|
||||
addGas(GasTx)
|
||||
|
||||
// Get the sender
|
||||
sender := state.GetAccount(tx.Sender())
|
||||
var (
|
||||
tx = st.tx
|
||||
sender = st.Sender()
|
||||
receiver *StateObject
|
||||
)
|
||||
|
||||
if sender.Nonce != tx.Nonce {
|
||||
err = NonceError(tx.Nonce, sender.Nonce)
|
||||
return
|
||||
return NonceError(tx.Nonce, sender.Nonce)
|
||||
}
|
||||
|
||||
sender.Nonce += 1
|
||||
defer func() {
|
||||
//state.UpdateStateObject(sender)
|
||||
// Notify all subscribers
|
||||
self.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 {
|
||||
state.UpdateStateObject(sender)
|
||||
err = fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
|
||||
return
|
||||
if err = st.BuyGas(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
coinbase.BuyGas(gas, tx.GasPrice)
|
||||
state.UpdateStateObject(coinbase)
|
||||
receiver = st.Receiver()
|
||||
|
||||
// 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)
|
||||
if err = st.UseGas(GasTx); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
state.UpdateStateObject(sender)
|
||||
dataPrice := big.NewInt(int64(len(tx.Data)))
|
||||
dataPrice.Mul(dataPrice, GasData)
|
||||
if err = st.UseGas(dataPrice); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ethutil.Config.Log.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
|
||||
if receiver == nil { // Contract
|
||||
receiver = self.MakeStateObject(st.state, tx)
|
||||
if receiver == nil {
|
||||
return fmt.Errorf("ERR. Unable to create contract with transaction %v", tx)
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
if err = self.transferValue(st, sender, receiver); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Apply transactions uses the transaction passed to it and applies them onto
|
||||
// the current processing state.
|
||||
func (sm *StateManager) ApplyTransactions(coinbase []byte, state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) {
|
||||
// Process each transaction/contract
|
||||
var receipts []*Receipt
|
||||
var validTxs []*Transaction
|
||||
var ignoredTxs []*Transaction // Transactions which go over the gasLimit
|
||||
|
||||
totalUsedGas := big.NewInt(0)
|
||||
|
||||
for _, tx := range txs {
|
||||
usedGas, err := sm.ApplyTransaction(coinbase, state, block, tx)
|
||||
if tx.CreatesContract() {
|
||||
fmt.Println(Disassemble(receiver.Init()))
|
||||
// Evaluate the initialization script
|
||||
// and use the return value as the
|
||||
// script section for the state object.
|
||||
//script, gas, err = sm.Eval(state, contract.Init(), contract, tx, block)
|
||||
code, err := self.Eval(st, receiver.Init(), receiver)
|
||||
if err != nil {
|
||||
if IsNonceErr(err) {
|
||||
continue
|
||||
}
|
||||
if IsGasLimitErr(err) {
|
||||
ignoredTxs = append(ignoredTxs, tx)
|
||||
// We need to figure out if we want to do something with thse txes
|
||||
ethutil.Config.Log.Debugln("Gastlimit:", err)
|
||||
continue
|
||||
}
|
||||
|
||||
ethutil.Config.Log.Infoln(err)
|
||||
return fmt.Errorf("Error during init script run %v", err)
|
||||
}
|
||||
|
||||
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas))
|
||||
receiver.script = code
|
||||
}
|
||||
|
||||
st.state.UpdateStateObject(sender)
|
||||
st.state.UpdateStateObject(receiver)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateManager) transferValue(st *StateTransition, sender, receiver *StateObject) error {
|
||||
if sender.Amount.Cmp(st.tx.Value) < 0 {
|
||||
return fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", st.tx.Value, sender.Amount)
|
||||
}
|
||||
|
||||
// Subtract the amount from the senders account
|
||||
sender.SubAmount(st.tx.Value)
|
||||
// Add the amount to receivers account which should conclude this transaction
|
||||
receiver.AddAmount(st.tx.Value)
|
||||
|
||||
ethutil.Config.Log.Debugf("%x => %x (%v) %x\n", sender.Address()[:4], receiver.Address()[:4], st.tx.Value, st.tx.Hash())
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateManager) ProcessTransactions(coinbase []byte, state *State, block, parent *Block, txs Transactions) (Receipts, Transactions, Transactions, error) {
|
||||
var (
|
||||
receipts Receipts
|
||||
handled, unhandled Transactions
|
||||
totalUsedGas = big.NewInt(0)
|
||||
err error
|
||||
)
|
||||
|
||||
done:
|
||||
for i, tx := range txs {
|
||||
txGas := new(big.Int).Set(tx.Gas)
|
||||
st := NewStateTransition(coinbase, tx.Gas, tx, state, block)
|
||||
err = self.TransitionState(st)
|
||||
if err != nil {
|
||||
switch {
|
||||
case IsNonceErr(err):
|
||||
err = nil // ignore error
|
||||
continue
|
||||
case IsGasLimitErr(err):
|
||||
unhandled = txs[i:]
|
||||
|
||||
break done
|
||||
default:
|
||||
ethutil.Config.Log.Infoln(err)
|
||||
}
|
||||
}
|
||||
|
||||
txGas.Sub(txGas, st.gas)
|
||||
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
|
||||
receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
|
||||
|
||||
receipts = append(receipts, receipt)
|
||||
validTxs = append(validTxs, tx)
|
||||
handled = append(handled, tx)
|
||||
}
|
||||
|
||||
fmt.Println("################# MADE\n", receipts, "\n############################")
|
||||
|
||||
// Update the total gas used for the block (to be mined)
|
||||
block.GasUsed = totalUsedGas
|
||||
parent.GasUsed = totalUsedGas
|
||||
|
||||
return receipts, validTxs
|
||||
return receipts, handled, unhandled, err
|
||||
}
|
||||
|
||||
func (sm *StateManager) ApplyTransaction(coinbase []byte, state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
|
||||
/*
|
||||
Applies transactions to the given state and creates new
|
||||
state objects where needed.
|
||||
|
||||
If said objects needs to be created
|
||||
run the initialization script provided by the transaction and
|
||||
assume there's a return value. The return value will be set to
|
||||
the script section of the state object.
|
||||
*/
|
||||
func (self *StateManager) Eval(st *StateTransition, script []byte, context *StateObject) (ret []byte, err error) {
|
||||
var (
|
||||
addTotalGas = func(gas *big.Int) { totalGasUsed.Add(totalGasUsed, gas) }
|
||||
gas = new(big.Int)
|
||||
script []byte
|
||||
tx = st.tx
|
||||
block = st.block
|
||||
initiator = st.Sender()
|
||||
)
|
||||
totalGasUsed = big.NewInt(0)
|
||||
snapshot := state.Snapshot()
|
||||
|
||||
ca := state.GetAccount(coinbase)
|
||||
// Apply the transaction to the current state
|
||||
gas, err = sm.ProcessTransaction(tx, ca, state, false)
|
||||
addTotalGas(gas)
|
||||
|
||||
if tx.CreatesContract() {
|
||||
if err == nil {
|
||||
// Create a new state object and the transaction
|
||||
// as it's data provider.
|
||||
contract := sm.MakeStateObject(state, tx)
|
||||
if contract != nil {
|
||||
fmt.Println(Disassemble(contract.Init()))
|
||||
// Evaluate the initialization script
|
||||
// and use the return value as the
|
||||
// script section for the state object.
|
||||
script, gas, err = sm.EvalScript(state, contract.Init(), contract, tx, block)
|
||||
addTotalGas(gas)
|
||||
|
||||
if err != nil {
|
||||
err = fmt.Errorf("[STATE] Error during init script run %v", err)
|
||||
return
|
||||
}
|
||||
contract.script = script
|
||||
state.UpdateStateObject(contract)
|
||||
} else {
|
||||
err = fmt.Errorf("[STATE] Unable to create contract")
|
||||
}
|
||||
} else {
|
||||
err = fmt.Errorf("[STATE] contract creation tx: %v for sender %x", err, tx.Sender())
|
||||
}
|
||||
} else {
|
||||
// Find the state object at the "recipient" address. If
|
||||
// there's an object attempt to run the script.
|
||||
stateObject := state.GetStateObject(tx.Recipient)
|
||||
if err == nil && stateObject != nil && len(stateObject.Script()) > 0 {
|
||||
_, gas, err = sm.EvalScript(state, stateObject.Script(), stateObject, tx, block)
|
||||
addTotalGas(gas)
|
||||
}
|
||||
}
|
||||
|
||||
parent := sm.bc.GetBlock(block.PrevHash)
|
||||
total := new(big.Int).Add(block.GasUsed, totalGasUsed)
|
||||
limit := block.CalcGasLimit(parent)
|
||||
if total.Cmp(limit) > 0 {
|
||||
state.Revert(snapshot)
|
||||
err = GasLimitError(total, limit)
|
||||
}
|
||||
closure := NewClosure(initiator, context, script, st.state, st.gas, tx.GasPrice)
|
||||
vm := NewVm(st.state, self, RuntimeVars{
|
||||
Origin: initiator.Address(),
|
||||
BlockNumber: block.BlockInfo().Number,
|
||||
PrevHash: block.PrevHash,
|
||||
Coinbase: block.Coinbase,
|
||||
Time: block.Time,
|
||||
Diff: block.Difficulty,
|
||||
Value: tx.Value,
|
||||
})
|
||||
ret, _, err = closure.Call(vm, tx.Data, nil)
|
||||
|
||||
return
|
||||
}
|
||||
|
|
@ -325,7 +374,8 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
|
|||
fmt.Println(block.Receipts())
|
||||
|
||||
// Process the transactions on to current block
|
||||
sm.ApplyTransactions(block.Coinbase, state, parent, block.Transactions())
|
||||
//sm.ApplyTransactions(block.Coinbase, state, parent, block.Transactions())
|
||||
sm.ProcessTransactions(block.Coinbase, state, block, parent, block.Transactions())
|
||||
|
||||
// Block validation
|
||||
if err := sm.ValidateBlock(block); err != nil {
|
||||
|
|
@ -464,35 +514,6 @@ func (sm *StateManager) Stop() {
|
|||
sm.bc.Stop()
|
||||
}
|
||||
|
||||
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, gas *big.Int, err error) {
|
||||
account := state.GetAccount(tx.Sender())
|
||||
|
||||
err = account.ConvertGas(tx.Gas, tx.GasPrice)
|
||||
if err != nil {
|
||||
ethutil.Config.Log.Debugln(err)
|
||||
return
|
||||
}
|
||||
|
||||
closure := NewClosure(account, object, script, state, tx.Gas, tx.GasPrice)
|
||||
vm := NewVm(state, sm, RuntimeVars{
|
||||
Origin: account.Address(),
|
||||
BlockNumber: block.BlockInfo().Number,
|
||||
PrevHash: block.PrevHash,
|
||||
Coinbase: block.Coinbase,
|
||||
Time: block.Time,
|
||||
Diff: block.Difficulty,
|
||||
Value: tx.Value,
|
||||
//Price: tx.GasPrice,
|
||||
})
|
||||
ret, gas, err = closure.Call(vm, tx.Data, nil)
|
||||
|
||||
// Update the account (refunds)
|
||||
state.UpdateStateObject(account)
|
||||
state.UpdateStateObject(object)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (sm *StateManager) notifyChanges(state *State) {
|
||||
for addr, stateObject := range state.manifest.objectChanges {
|
||||
sm.Ethereum.Reactor().Post("object:"+addr, stateObject)
|
||||
|
|
|
|||
|
|
@ -135,7 +135,7 @@ func (c *StateObject) ConvertGas(gas, price *big.Int) error {
|
|||
|
||||
func (self *StateObject) BuyGas(gas, price *big.Int) error {
|
||||
rGas := new(big.Int).Set(gas)
|
||||
rGas.Mul(gas, price)
|
||||
rGas.Mul(rGas, price)
|
||||
|
||||
self.AddAmount(rGas)
|
||||
|
||||
|
|
|
|||
|
|
@ -46,15 +46,18 @@ func NewTransactionFromValue(val *ethutil.Value) *Transaction {
|
|||
return tx
|
||||
}
|
||||
|
||||
func (self *Transaction) GasValue() *big.Int {
|
||||
return new(big.Int).Mul(self.Gas, self.GasPrice)
|
||||
}
|
||||
|
||||
func (self *Transaction) TotalValue() *big.Int {
|
||||
v := self.GasValue()
|
||||
return v.Add(v, self.Value)
|
||||
}
|
||||
|
||||
func (tx *Transaction) Hash() []byte {
|
||||
data := []interface{}{tx.Nonce, tx.GasPrice, tx.Gas, tx.Recipient, tx.Value, tx.Data}
|
||||
|
||||
/*
|
||||
if tx.contractCreation {
|
||||
data = append(data, tx.Init)
|
||||
}
|
||||
*/
|
||||
|
||||
return ethutil.Sha3Bin(ethutil.NewValue(data).Encode())
|
||||
}
|
||||
|
||||
|
|
@ -185,6 +188,7 @@ type Receipt struct {
|
|||
PostState []byte
|
||||
CumulativeGasUsed *big.Int
|
||||
}
|
||||
type Receipts []*Receipt
|
||||
|
||||
func NewRecieptFromValue(val *ethutil.Value) *Receipt {
|
||||
r := &Receipt{}
|
||||
|
|
|
|||
|
|
@ -220,7 +220,7 @@ out:
|
|||
// Call blocking version.
|
||||
pool.addTransaction(tx)
|
||||
|
||||
ethutil.Config.Log.Debugf("%x => %x (%v) %x\n", tx.Sender()[:4], tx.Recipient[:4], tx.Value, tx.Hash())
|
||||
ethutil.Config.Log.Debugf("(t) %x => %x (%v) %x\n", tx.Sender()[:4], tx.Recipient[:4], tx.Value, tx.Hash())
|
||||
|
||||
// Notify the subscribers
|
||||
pool.Ethereum.Reactor().Post("newTx:pre", tx)
|
||||
|
|
|
|||
|
|
@ -21,8 +21,10 @@ const (
|
|||
NEG = 0x09
|
||||
LT = 0x0a
|
||||
GT = 0x0b
|
||||
EQ = 0x0c
|
||||
NOT = 0x0d
|
||||
SLT = 0x0c
|
||||
SGT = 0x0d
|
||||
EQ = 0x0e
|
||||
NOT = 0x0f
|
||||
|
||||
// 0x10 range - bit ops
|
||||
AND = 0x10
|
||||
|
|
@ -128,6 +130,8 @@ var opCodeToString = map[OpCode]string{
|
|||
NEG: "NEG",
|
||||
LT: "LT",
|
||||
GT: "GT",
|
||||
SLT: "SLT",
|
||||
SGT: "SGT",
|
||||
EQ: "EQ",
|
||||
NOT: "NOT",
|
||||
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@ import (
|
|||
"fmt"
|
||||
"github.com/ethereum/eth-go/ethutil"
|
||||
_ "github.com/obscuren/secp256k1-go"
|
||||
"math"
|
||||
_ "math"
|
||||
"math/big"
|
||||
)
|
||||
|
|
@ -18,6 +19,7 @@ var (
|
|||
GasCreate = big.NewInt(100)
|
||||
GasCall = big.NewInt(20)
|
||||
GasMemory = big.NewInt(1)
|
||||
GasData = big.NewInt(5)
|
||||
GasTx = big.NewInt(500)
|
||||
)
|
||||
|
||||
|
|
@ -116,9 +118,8 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
|||
gas.Add(gas, amount)
|
||||
}
|
||||
|
||||
var newMemSize uint64 = 0
|
||||
switch op {
|
||||
case SHA3:
|
||||
setStepGasUsage(GasSha)
|
||||
case SLOAD:
|
||||
setStepGasUsage(GasSLoad)
|
||||
case SSTORE:
|
||||
|
|
@ -135,27 +136,61 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
|||
setStepGasUsage(new(big.Int).Mul(mult, GasSStore))
|
||||
case BALANCE:
|
||||
setStepGasUsage(GasBalance)
|
||||
case CREATE:
|
||||
case MSTORE:
|
||||
require(2)
|
||||
newMemSize = stack.Peek().Uint64() + 32
|
||||
case MSTORE8:
|
||||
require(2)
|
||||
newMemSize = stack.Peek().Uint64() + 1
|
||||
case RETURN:
|
||||
require(2)
|
||||
|
||||
newMemSize = stack.Peek().Uint64() + stack.data[stack.Len()-2].Uint64()
|
||||
case SHA3:
|
||||
require(2)
|
||||
|
||||
setStepGasUsage(GasSha)
|
||||
|
||||
newMemSize = stack.Peek().Uint64() + stack.data[stack.Len()-2].Uint64()
|
||||
case CALLDATACOPY:
|
||||
require(3)
|
||||
|
||||
args := stack.Get(big.NewInt(3))
|
||||
initSize := new(big.Int).Add(args[1], args[0])
|
||||
newMemSize = stack.Peek().Uint64() + stack.data[stack.Len()-3].Uint64()
|
||||
case CODECOPY:
|
||||
require(3)
|
||||
|
||||
setStepGasUsage(CalculateTxGas(initSize))
|
||||
newMemSize = stack.Peek().Uint64() + stack.data[stack.Len()-3].Uint64()
|
||||
case CALL:
|
||||
require(7)
|
||||
setStepGasUsage(GasCall)
|
||||
case MLOAD, MSIZE, MSTORE8, MSTORE:
|
||||
setStepGasUsage(GasMemory)
|
||||
|
||||
x := stack.data[stack.Len()-6].Uint64() + stack.data[stack.Len()-7].Uint64()
|
||||
y := stack.data[stack.Len()-4].Uint64() + stack.data[stack.Len()-5].Uint64()
|
||||
|
||||
newMemSize = uint64(math.Max(float64(x), float64(y)))
|
||||
case CREATE:
|
||||
require(3)
|
||||
setStepGasUsage(GasCreate)
|
||||
|
||||
newMemSize = stack.data[stack.Len()-2].Uint64() + stack.data[stack.Len()-3].Uint64()
|
||||
default:
|
||||
setStepGasUsage(GasStep)
|
||||
}
|
||||
|
||||
newMemSize = (newMemSize + 31) / 32 * 32
|
||||
if newMemSize > uint64(mem.Len()) {
|
||||
m := GasMemory.Uint64() * (newMemSize - uint64(mem.Len())) / 32
|
||||
setStepGasUsage(big.NewInt(int64(m)))
|
||||
}
|
||||
|
||||
if !closure.UseGas(gas) {
|
||||
ethutil.Config.Log.Debugln("Insufficient gas", closure.Gas, gas)
|
||||
|
||||
return closure.Return(nil), fmt.Errorf("insufficient gas %v %v", closure.Gas, gas)
|
||||
}
|
||||
|
||||
mem.Resize(newMemSize)
|
||||
|
||||
switch op {
|
||||
case LOG:
|
||||
stack.Print()
|
||||
|
|
@ -340,6 +375,23 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
|||
case CALLDATACOPY:
|
||||
case CODESIZE:
|
||||
case CODECOPY:
|
||||
var (
|
||||
size = int64(len(closure.Script))
|
||||
mOff = stack.Pop().Int64()
|
||||
cOff = stack.Pop().Int64()
|
||||
l = stack.Pop().Int64()
|
||||
)
|
||||
|
||||
if cOff > size {
|
||||
cOff = 0
|
||||
l = 0
|
||||
} else if cOff+l > size {
|
||||
l = 0
|
||||
}
|
||||
|
||||
code := closure.Script[cOff : cOff+l]
|
||||
|
||||
mem.Set(mOff, l, code)
|
||||
case GASPRICE:
|
||||
stack.Push(closure.Price)
|
||||
|
||||
|
|
@ -448,7 +500,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
|||
// Transfer all remaining gas to the new
|
||||
// contract so it may run the init script
|
||||
gas := new(big.Int).Set(closure.Gas)
|
||||
closure.UseGas(gas)
|
||||
//closure.UseGas(gas)
|
||||
|
||||
// Create the closure
|
||||
c := NewClosure(closure.callee,
|
||||
|
|
@ -498,12 +550,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
|||
|
||||
if contract != nil {
|
||||
// Prepay for the gas
|
||||
// If gas is set to 0 use all remaining gas for the next call
|
||||
if gas.Cmp(big.NewInt(0)) == 0 {
|
||||
// Copy
|
||||
gas = new(big.Int).Set(closure.Gas)
|
||||
}
|
||||
closure.UseGas(gas)
|
||||
//closure.UseGas(gas)
|
||||
|
||||
// Add the value to the state object
|
||||
contract.AddAmount(value)
|
||||
|
|
|
|||
Loading…
Reference in New Issue