cerc-io/plugeth
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Moved process transaction to state manager

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* Buy gas of the coinbase address
This commit is contained in:
obscuren 2014-06-11 21:55:23 +02:00
parent 9ff97a98a7
commit 4d3209ad1d
2 changed files with 100 additions and 22 deletions
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93
ethchain/state_manager.go
View File

@ -108,15 +108,90 @@ 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())
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)))
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
}
coinbase.BuyGas(gas, tx.GasPrice)
state.UpdateStateObject(coinbase)
// 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)
fmt.Printf("state root after sender update %x\n", state.Root())
// 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())
}
state.UpdateStateObject(sender)
ethutil.Config.Log.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
return
}
// Apply transactions uses the transaction passed to it and applies them onto
// the current processing state.
func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) {
func (sm *StateManager) ApplyTransactions(coinbase []byte, state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) {
// Process each transaction/contract
var receipts []*Receipt
var validTxs []*Transaction
totalUsedGas := big.NewInt(0)
for _, tx := range txs {
usedGas, err := sm.ApplyTransaction(state, block, tx)
usedGas, err := sm.ApplyTransaction(coinbase, state, block, tx)
if err != nil {
if IsNonceErr(err) {
continue
@ -135,7 +210,7 @@ func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Tra
return receipts, validTxs
}
func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
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.
@ -152,8 +227,9 @@ func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transac
)
totalGasUsed = big.NewInt(0)
ca := state.GetAccount(coinbase)
// Apply the transaction to the current state
gas, err = sm.Ethereum.TxPool().ProcessTransaction(tx, state, false)
gas, err = sm.ProcessTransaction(tx, ca, state, false)
addTotalGas(gas)
if tx.CreatesContract() {
@ -229,7 +305,7 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
}
// Process the transactions on to current block
sm.ApplyTransactions(state, parent, block.Transactions())
sm.ApplyTransactions(block.Coinbase, state, parent, block.Transactions())
// Block validation
if err := sm.ValidateBlock(block); err != nil {
@ -337,13 +413,6 @@ func CalculateBlockReward(block *Block, uncleLength int) *big.Int {
base.Add(base, UncleInclusionReward)
}
lastCumulGasUsed := big.NewInt(0)
for _, r := range block.Receipts() {
usedGas := new(big.Int).Sub(r.CumulativeGasUsed, lastCumulGasUsed)
usedGas.Add(usedGas, r.Tx.GasPrice)
base.Add(base, usedGas)
}
return base.Add(base, BlockReward)
}

29
ethchain/transaction_pool.go
View File

@ -89,9 +89,11 @@ func (pool *TxPool) addTransaction(tx *Transaction) {
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 {
ethutil.Config.Log.Infoln(r)
@ -101,6 +103,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract
gas = new(big.Int)
addGas := func(g *big.Int) { gas.Add(gas, g) }
addGas(GasTx)
// Get the sender
sender := state.GetAccount(tx.Sender())
@ -110,28 +113,37 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract
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, new(big.Int).Mul(TxFee, TxFeeRat))
totAmount := new(big.Int).Add(tx.Value, new(big.Int).Mul(tx.Gas, tx.GasPrice))
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)
sender.Nonce += 1
// Send Tx to self
if bytes.Compare(tx.Recipient, tx.Sender()) == 0 {
addGas(GasTx)
// Subtract the fee
sender.SubAmount(new(big.Int).Mul(GasTx, tx.GasPrice))
sender.SubAmount(rGas)
} else {
// Subtract the amount from the senders account
sender.SubAmount(totAmount)
@ -140,17 +152,14 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract
receiver.AddAmount(tx.Value)
state.UpdateStateObject(receiver)
fmt.Printf("state root after receiver update %x\n", state.Root())
}
state.UpdateStateObject(sender)
ethutil.Config.Log.Infof("[TXPL] Processed Tx %x\n", tx.Hash())
// Notify all subscribers
pool.Ethereum.Reactor().Post("newTx:post", tx)
return
}
*/
func (pool *TxPool) ValidateTransaction(tx *Transaction) error {
// Get the last block so we can retrieve the sender and receiver from