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path: root/ethchain/state_manager.go
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-rw-r--r--ethchain/state_manager.go156
1 files changed, 36 insertions, 120 deletions
diff --git a/ethchain/state_manager.go b/ethchain/state_manager.go
index f1c09b819..36bb14846 100644
--- a/ethchain/state_manager.go
+++ b/ethchain/state_manager.go
@@ -97,100 +97,49 @@ func (sm *StateManager) BlockChain() *BlockChain {
return sm.bc
}
-func (sm *StateManager) 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 *StateManager) ProcessTransactions(coinbase *StateObject, state *State, block, parent *Block, txs Transactions) (Receipts, Transactions, Transactions, error) {
+ var (
+ receipts Receipts
+ handled, unhandled Transactions
+ totalUsedGas = big.NewInt(0)
+ err error
+ )
-// 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) {
- // 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)
+done:
+ for i, tx := range txs {
+ txGas := new(big.Int).Set(tx.Gas)
+ st := NewStateTransition(coinbase, tx, state, block)
+ err = st.TransitionState()
if err != nil {
- if IsNonceErr(err) {
+ switch {
+ case IsNonceErr(err):
+ err = nil // ignore error
continue
- }
+ case IsGasLimitErr(err):
+ unhandled = txs[i:]
- ethutil.Config.Log.Infoln(err)
+ break done
+ default:
+ ethutil.Config.Log.Infoln(err)
+ }
}
- accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas))
+ // Notify all subscribers
+ self.Ethereum.Reactor().Post("newTx:post", tx)
+
+ 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)
}
- return receipts, validTxs
-}
+ fmt.Println("################# MADE\n", receipts, "\n############################")
-func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
- /*
- Applies transactions to the given state and creates new
- state objects where needed.
+ parent.GasUsed = totalUsedGas
- 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)
-
- // Apply the transaction to the current state
- gas, err = sm.Ethereum.TxPool().ProcessTransaction(tx, 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 {
- // 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)
- }
- }
-
- return
+ return receipts, handled, unhandled, err
}
func (sm *StateManager) Process(block *Block, dontReact bool) error {
@@ -212,7 +161,6 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
hash := block.Hash()
if sm.bc.HasBlock(hash) {
- //fmt.Println("[STATE] We already have this block, ignoring")
return nil
}
@@ -227,9 +175,14 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
if !sm.bc.HasBlock(block.PrevHash) && sm.bc.CurrentBlock != nil {
return ParentError(block.PrevHash)
}
+ fmt.Println(block.Receipts())
+
+ coinbase := state.GetOrNewStateObject(block.Coinbase)
+ coinbase.SetGasPool(block.CalcGasLimit(parent))
// Process the transactions on to current block
- sm.ApplyTransactions(state, parent, block.Transactions())
+ //sm.ApplyTransactions(block.Coinbase, state, parent, block.Transactions())
+ sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
// Block validation
if err := sm.ValidateBlock(block); err != nil {
@@ -244,7 +197,6 @@ func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontRea
return err
}
- //if !sm.compState.Cmp(state) {
if !block.State().Cmp(state) {
return fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().trie.Root, state.trie.Root)
}
@@ -337,13 +289,6 @@ 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)
}
@@ -375,35 +320,6 @@ 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)