Removed deprecated states
This commit is contained in:
obscuren
parent
53e30f750d
commit
3621988e15
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@ -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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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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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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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
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// Nested states
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states map[string]*State
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stateObjects map[string]*StateObject
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@ -23,7 +21,7 @@ type State struct {
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// Create a new state from a given trie
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func NewState(trie *ethutil.Trie) *State {
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return &State{trie: trie, states: make(map[string]*State), stateObjects: make(map[string]*StateObject), manifest: NewManifest()}
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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
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@ -155,7 +153,7 @@ func (s *State) Snapshot() *State {
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func (s *State) Revert(snapshot *State) {
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s.trie = snapshot.trie
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s.states = snapshot.states
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s.stateObjects = snapshot.stateObjects
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}
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func (s *State) Put(key, object []byte) {
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