Merge branch 'develop' of github.com:ethereum/eth-go into develop
This commit is contained in:
Maran
commit
a90ffe1af1
@ -1,236 +0,0 @@
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package ethchain
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import (
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"bytes"
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"fmt"
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"github.com/ethereum/eth-go/ethutil"
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"math/big"
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)
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func (sm *StateManager) MakeStateObject(state *State, tx *Transaction) *StateObject {
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contract := MakeContract(tx, state)
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if contract != nil {
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state.states[string(tx.CreationAddress())] = contract.state
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return contract
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}
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return nil
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}
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func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, gas *big.Int, err error) {
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account := state.GetAccount(tx.Sender())
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err = account.ConvertGas(tx.Gas, tx.GasPrice)
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if err != nil {
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ethutil.Config.Log.Debugln(err)
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return
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}
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closure := NewClosure(account, object, script, state, tx.Gas, tx.GasPrice)
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vm := NewVm(state, sm, RuntimeVars{
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Origin: account.Address(),
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BlockNumber: block.BlockInfo().Number,
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PrevHash: block.PrevHash,
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Coinbase: block.Coinbase,
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Time: block.Time,
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Diff: block.Difficulty,
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Value: tx.Value,
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//Price: tx.GasPrice,
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})
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ret, gas, err = closure.Call(vm, tx.Data, nil)
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// Update the account (refunds)
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state.UpdateStateObject(account)
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state.UpdateStateObject(object)
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return
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}
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func (self *StateManager) ProcessTransaction(tx *Transaction, coinbase *StateObject, state *State, toContract bool) (gas *big.Int, err error) {
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fmt.Printf("state root before update %x\n", state.Root())
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defer func() {
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if r := recover(); r != nil {
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ethutil.Config.Log.Infoln(r)
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err = fmt.Errorf("%v", r)
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}
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}()
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gas = new(big.Int)
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addGas := func(g *big.Int) { gas.Add(gas, g) }
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addGas(GasTx)
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// Get the sender
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sender := state.GetAccount(tx.Sender())
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if sender.Nonce != tx.Nonce {
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err = NonceError(tx.Nonce, sender.Nonce)
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return
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}
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sender.Nonce += 1
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defer func() {
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//state.UpdateStateObject(sender)
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// Notify all subscribers
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self.Ethereum.Reactor().Post("newTx:post", tx)
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}()
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txTotalBytes := big.NewInt(int64(len(tx.Data)))
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//fmt.Println("txTotalBytes", txTotalBytes)
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//txTotalBytes.Div(txTotalBytes, ethutil.Big32)
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addGas(new(big.Int).Mul(txTotalBytes, GasData))
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rGas := new(big.Int).Set(gas)
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rGas.Mul(gas, tx.GasPrice)
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// Make sure there's enough in the sender's account. Having insufficient
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// funds won't invalidate this transaction but simple ignores it.
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totAmount := new(big.Int).Add(tx.Value, rGas)
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if sender.Amount.Cmp(totAmount) < 0 {
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state.UpdateStateObject(sender)
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err = fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
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return
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}
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coinbase.BuyGas(gas, tx.GasPrice)
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state.UpdateStateObject(coinbase)
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fmt.Printf("1. root %x\n", state.Root())
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// Get the receiver
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receiver := state.GetAccount(tx.Recipient)
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// Send Tx to self
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if bytes.Compare(tx.Recipient, tx.Sender()) == 0 {
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// Subtract the fee
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sender.SubAmount(rGas)
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} else {
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// Subtract the amount from the senders account
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sender.SubAmount(totAmount)
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state.UpdateStateObject(sender)
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fmt.Printf("3. root %x\n", state.Root())
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// Add the amount to receivers account which should conclude this transaction
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receiver.AddAmount(tx.Value)
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state.UpdateStateObject(receiver)
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fmt.Printf("2. root %x\n", state.Root())
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}
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ethutil.Config.Log.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
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return
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}
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func (sm *StateManager) ApplyTransaction(coinbase []byte, state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
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/*
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Applies transactions to the given state and creates new
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state objects where needed.
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If said objects needs to be created
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run the initialization script provided by the transaction and
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assume there's a return value. The return value will be set to
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the script section of the state object.
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*/
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var (
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addTotalGas = func(gas *big.Int) { totalGasUsed.Add(totalGasUsed, gas) }
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gas = new(big.Int)
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script []byte
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)
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totalGasUsed = big.NewInt(0)
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snapshot := state.Snapshot()
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ca := state.GetAccount(coinbase)
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// Apply the transaction to the current state
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gas, err = sm.ProcessTransaction(tx, ca, state, false)
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addTotalGas(gas)
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fmt.Println("gas used by tx", gas)
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if tx.CreatesContract() {
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if err == nil {
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// Create a new state object and the transaction
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// as it's data provider.
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contract := sm.MakeStateObject(state, tx)
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if contract != nil {
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fmt.Println(Disassemble(contract.Init()))
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// Evaluate the initialization script
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// and use the return value as the
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// script section for the state object.
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script, gas, err = sm.EvalScript(state, contract.Init(), contract, tx, block)
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fmt.Println("gas used by eval", gas)
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addTotalGas(gas)
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fmt.Println("total =", totalGasUsed)
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fmt.Println("script len =", len(script))
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if err != nil {
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err = fmt.Errorf("[STATE] Error during init script run %v", err)
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return
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}
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contract.script = script
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state.UpdateStateObject(contract)
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} else {
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err = fmt.Errorf("[STATE] Unable to create contract")
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}
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} else {
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err = fmt.Errorf("[STATE] contract creation tx: %v for sender %x", err, tx.Sender())
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}
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} else {
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// Find the state object at the "recipient" address. If
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// there's an object attempt to run the script.
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stateObject := state.GetStateObject(tx.Recipient)
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if err == nil && stateObject != nil && len(stateObject.Script()) > 0 {
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_, gas, err = sm.EvalScript(state, stateObject.Script(), stateObject, tx, block)
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addTotalGas(gas)
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}
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}
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parent := sm.bc.GetBlock(block.PrevHash)
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total := new(big.Int).Add(block.GasUsed, totalGasUsed)
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limit := block.CalcGasLimit(parent)
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if total.Cmp(limit) > 0 {
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state.Revert(snapshot)
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err = GasLimitError(total, limit)
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}
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return
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}
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// Apply transactions uses the transaction passed to it and applies them onto
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// the current processing state.
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func (sm *StateManager) ApplyTransactions(coinbase []byte, state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) {
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// Process each transaction/contract
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var receipts []*Receipt
|
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var validTxs []*Transaction
|
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var ignoredTxs []*Transaction // Transactions which go over the gasLimit
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|
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totalUsedGas := big.NewInt(0)
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for _, tx := range txs {
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usedGas, err := sm.ApplyTransaction(coinbase, state, block, tx)
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if err != nil {
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if IsNonceErr(err) {
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continue
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}
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if IsGasLimitErr(err) {
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ignoredTxs = append(ignoredTxs, tx)
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// We need to figure out if we want to do something with thse txes
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ethutil.Config.Log.Debugln("Gastlimit:", err)
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continue
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}
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ethutil.Config.Log.Infoln(err)
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}
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accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas))
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receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
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|
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receipts = append(receipts, receipt)
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validTxs = append(validTxs, tx)
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}
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fmt.Println("################# MADE\n", receipts, "\n############################")
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// Update the total gas used for the block (to be mined)
|
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block.GasUsed = totalUsedGas
|
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|
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return receipts, validTxs
|
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}
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@ -13,8 +13,6 @@ import (
|
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type State struct {
|
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// The trie for this structure
|
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trie *ethutil.Trie
|
||||
// Nested states
|
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states map[string]*State
|
||||
|
||||
stateObjects map[string]*StateObject
|
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|
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@ -23,7 +21,7 @@ type State struct {
|
||||
|
||||
// Create a new state from a given trie
|
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func NewState(trie *ethutil.Trie) *State {
|
||||
return &State{trie: trie, states: make(map[string]*State), stateObjects: make(map[string]*StateObject), manifest: NewManifest()}
|
||||
return &State{trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest()}
|
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}
|
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|
||||
// Resets the trie and all siblings
|
||||
@ -38,12 +36,16 @@ func (s *State) Reset() {
|
||||
|
||||
stateObject.state.Reset()
|
||||
}
|
||||
|
||||
s.Empty()
|
||||
}
|
||||
|
||||
// Syncs the trie and all siblings
|
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func (s *State) Sync() {
|
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// Sync all nested states
|
||||
for _, stateObject := range s.stateObjects {
|
||||
s.UpdateStateObject(stateObject)
|
||||
|
||||
if stateObject.state == nil {
|
||||
continue
|
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}
|
||||
@ -52,6 +54,18 @@ func (s *State) Sync() {
|
||||
}
|
||||
|
||||
s.trie.Sync()
|
||||
|
||||
s.Empty()
|
||||
}
|
||||
|
||||
func (self *State) Empty() {
|
||||
self.stateObjects = make(map[string]*StateObject)
|
||||
}
|
||||
|
||||
func (self *State) Update() {
|
||||
for _, stateObject := range self.stateObjects {
|
||||
self.UpdateStateObject(stateObject)
|
||||
}
|
||||
}
|
||||
|
||||
// Purges the current trie.
|
||||
@ -68,6 +82,7 @@ func (self *State) UpdateStateObject(stateObject *StateObject) {
|
||||
addr := stateObject.Address()
|
||||
|
||||
if self.stateObjects[string(addr)] == nil {
|
||||
panic("?")
|
||||
self.stateObjects[string(addr)] = stateObject
|
||||
}
|
||||
|
||||
@ -98,13 +113,19 @@ func (self *State) GetStateObject(addr []byte) *StateObject {
|
||||
func (self *State) GetOrNewStateObject(addr []byte) *StateObject {
|
||||
stateObject := self.GetStateObject(addr)
|
||||
if stateObject == nil {
|
||||
stateObject = NewStateObject(addr)
|
||||
self.stateObjects[string(addr)] = stateObject
|
||||
stateObject = self.NewStateObject(addr)
|
||||
}
|
||||
|
||||
return stateObject
|
||||
}
|
||||
|
||||
func (self *State) NewStateObject(addr []byte) *StateObject {
|
||||
stateObject := NewStateObject(addr)
|
||||
self.stateObjects[string(addr)] = stateObject
|
||||
|
||||
return stateObject
|
||||
}
|
||||
|
||||
func (self *State) GetAccount(addr []byte) *StateObject {
|
||||
return self.GetOrNewStateObject(addr)
|
||||
}
|
||||
@ -132,7 +153,7 @@ func (s *State) Snapshot() *State {
|
||||
|
||||
func (s *State) Revert(snapshot *State) {
|
||||
s.trie = snapshot.trie
|
||||
s.states = snapshot.states
|
||||
s.stateObjects = snapshot.stateObjects
|
||||
}
|
||||
|
||||
func (s *State) Put(key, object []byte) {
|
||||
|
||||
@ -181,7 +181,6 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
|
||||
coinbase.SetGasPool(block.CalcGasLimit(parent))
|
||||
|
||||
// Process the transactions on to current block
|
||||
//sm.ApplyTransactions(block.Coinbase, state, parent, block.Transactions())
|
||||
sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
|
||||
|
||||
// Block validation
|
||||
@ -197,6 +196,9 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
|
||||
return err
|
||||
}
|
||||
|
||||
// Update the state with pending changes
|
||||
state.Update()
|
||||
|
||||
if !block.State().Cmp(state) {
|
||||
return fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().trie.Root, state.trie.Root)
|
||||
}
|
||||
|
||||
@ -4,8 +4,15 @@ import (
|
||||
"fmt"
|
||||
"github.com/ethereum/eth-go/ethutil"
|
||||
"math/big"
|
||||
"strings"
|
||||
)
|
||||
|
||||
type Code []byte
|
||||
|
||||
func (self Code) String() string {
|
||||
return strings.Join(Disassemble(self), " ")
|
||||
}
|
||||
|
||||
type StateObject struct {
|
||||
// Address of the object
|
||||
address []byte
|
||||
@ -15,8 +22,8 @@ type StateObject struct {
|
||||
Nonce uint64
|
||||
// Contract related attributes
|
||||
state *State
|
||||
script []byte
|
||||
initScript []byte
|
||||
script Code
|
||||
initScript Code
|
||||
|
||||
// Total gas pool is the total amount of gas currently
|
||||
// left if this object is the coinbase. Gas is directly
|
||||
@ -30,12 +37,9 @@ func MakeContract(tx *Transaction, state *State) *StateObject {
|
||||
if tx.IsContract() {
|
||||
addr := tx.CreationAddress()
|
||||
|
||||
value := tx.Value
|
||||
contract := NewContract(addr, value, ZeroHash256)
|
||||
|
||||
contract := state.NewStateObject(addr)
|
||||
contract.initScript = tx.Data
|
||||
|
||||
state.UpdateStateObject(contract)
|
||||
contract.state = NewState(ethutil.NewTrie(ethutil.Config.Db, ""))
|
||||
|
||||
return contract
|
||||
}
|
||||
@ -120,13 +124,13 @@ func (c *StateObject) ReturnGas(gas, price *big.Int, state *State) {
|
||||
func (c *StateObject) AddAmount(amount *big.Int) {
|
||||
c.SetAmount(new(big.Int).Add(c.Amount, amount))
|
||||
|
||||
ethutil.Config.Log.Printf(ethutil.LogLevelSystem, "%x: #%d %v (+ %v)\n", c.Address(), c.Nonce, c.Amount, amount)
|
||||
ethutil.Config.Log.Printf(ethutil.LogLevelInfo, "%x: #%d %v (+ %v)\n", c.Address(), c.Nonce, c.Amount, amount)
|
||||
}
|
||||
|
||||
func (c *StateObject) SubAmount(amount *big.Int) {
|
||||
c.SetAmount(new(big.Int).Sub(c.Amount, amount))
|
||||
|
||||
ethutil.Config.Log.Printf(ethutil.LogLevelSystem, "%x: #%d %v (- %v)\n", c.Address(), c.Nonce, c.Amount, amount)
|
||||
ethutil.Config.Log.Printf(ethutil.LogLevelInfo, "%x: #%d %v (- %v)\n", c.Address(), c.Nonce, c.Amount, amount)
|
||||
}
|
||||
|
||||
func (c *StateObject) SetAmount(amount *big.Int) {
|
||||
@ -197,12 +201,12 @@ func (c *StateObject) Address() []byte {
|
||||
}
|
||||
|
||||
// Returns the main script body
|
||||
func (c *StateObject) Script() []byte {
|
||||
func (c *StateObject) Script() Code {
|
||||
return c.script
|
||||
}
|
||||
|
||||
// Returns the initialization script
|
||||
func (c *StateObject) Init() []byte {
|
||||
func (c *StateObject) Init() Code {
|
||||
return c.initScript
|
||||
}
|
||||
|
||||
|
||||
@ -67,15 +67,10 @@ func (self *StateTransition) Receiver() *StateObject {
|
||||
|
||||
func (self *StateTransition) MakeStateObject(state *State, tx *Transaction) *StateObject {
|
||||
contract := MakeContract(tx, state)
|
||||
if contract != nil {
|
||||
state.states[string(tx.CreationAddress())] = contract.state
|
||||
|
||||
return contract
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateTransition) UseGas(amount *big.Int) error {
|
||||
if self.gas.Cmp(amount) < 0 {
|
||||
return OutOfGasError()
|
||||
@ -137,6 +132,8 @@ func (self *StateTransition) TransitionState() (err error) {
|
||||
receiver *StateObject
|
||||
)
|
||||
|
||||
ethutil.Config.Log.Printf(ethutil.LogLevelInfo, "(~) %x\n", tx.Hash())
|
||||
|
||||
// Make sure this transaction's nonce is correct
|
||||
if sender.Nonce != tx.Nonce {
|
||||
return NonceError(tx.Nonce, sender.Nonce)
|
||||
@ -152,6 +149,7 @@ func (self *StateTransition) TransitionState() (err error) {
|
||||
defer func() {
|
||||
self.RefundGas()
|
||||
|
||||
/*
|
||||
if sender != nil {
|
||||
self.state.UpdateStateObject(sender)
|
||||
}
|
||||
@ -161,6 +159,7 @@ func (self *StateTransition) TransitionState() (err error) {
|
||||
}
|
||||
|
||||
self.state.UpdateStateObject(self.Coinbase())
|
||||
*/
|
||||
}()
|
||||
|
||||
// Increment the nonce for the next transaction
|
||||
@ -209,6 +208,7 @@ func (self *StateTransition) TransitionState() (err error) {
|
||||
receiver.script = code
|
||||
} else {
|
||||
if len(receiver.Script()) > 0 {
|
||||
fmt.Println(receiver.Script())
|
||||
_, err := self.Eval(receiver.Script(), receiver)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Error during code execution %v", err)
|
||||
|
||||
@ -95,9 +95,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
||||
step := 0
|
||||
prevStep := 0
|
||||
|
||||
if ethutil.Config.Debug {
|
||||
ethutil.Config.Log.Debugf("# op\n")
|
||||
}
|
||||
|
||||
for {
|
||||
prevStep = step
|
||||
@ -109,9 +107,8 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
||||
val := closure.Get(pc)
|
||||
// Get the opcode (it must be an opcode!)
|
||||
op := OpCode(val.Uint())
|
||||
if ethutil.Config.Debug {
|
||||
|
||||
ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String())
|
||||
}
|
||||
|
||||
gas := new(big.Int)
|
||||
addStepGasUsage := func(amount *big.Int) {
|
||||
@ -525,8 +522,6 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
||||
vm.state.Revert(snapshot)
|
||||
} else {
|
||||
stack.Push(ethutil.BigD(addr))
|
||||
|
||||
vm.state.UpdateStateObject(contract)
|
||||
}
|
||||
case CALL:
|
||||
// TODO RE-WRITE
|
||||
@ -569,8 +564,6 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
||||
} else {
|
||||
stack.Push(ethutil.BigTrue)
|
||||
|
||||
vm.state.UpdateStateObject(contract)
|
||||
|
||||
mem.Set(retOffset.Int64(), retSize.Int64(), ret)
|
||||
}
|
||||
} else {
|
||||
@ -589,9 +582,11 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
|
||||
|
||||
receiver := vm.state.GetAccount(stack.Pop().Bytes())
|
||||
receiver.AddAmount(closure.object.Amount)
|
||||
vm.state.UpdateStateObject(receiver)
|
||||
|
||||
closure.object.state.Purge()
|
||||
trie := closure.object.state.trie
|
||||
trie.NewIterator().Each(func(key string, v *ethutil.Value) {
|
||||
trie.Delete(key)
|
||||
})
|
||||
|
||||
fallthrough
|
||||
case STOP: // Stop the closure
|
||||
|
||||
@ -154,6 +154,8 @@ func (self *Miner) mineNewBlock() {
|
||||
// Accumulate the rewards included for this block
|
||||
stateManager.AccumelateRewards(self.block.State(), self.block)
|
||||
|
||||
self.block.State().Update()
|
||||
|
||||
ethutil.Config.Log.Infoln("[MINER] Mining on block. Includes", len(self.txs), "transactions")
|
||||
|
||||
// Find a valid nonce
|
||||
|
||||
Loading…
Reference in New Issue
Block a user