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Update after each transition instead of at the end.

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Updating the state /after/ the entire transition creates invalid
receipts.
This commit is contained in:
obscuren 2014-06-19 13:42:14 +02:00
parent 731f55a05d
commit 5ea7598408
1 changed files with 22 additions and 11 deletions
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33
ethchain/state_manager.go
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@ -127,6 +127,9 @@ done:
// Notify all subscribers
self.Ethereum.Reactor().Post("newTx:post", tx)
// Update the state with pending changes
state.Update()
txGas.Sub(txGas, st.gas)
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
@ -135,8 +138,6 @@ done:
handled = append(handled, tx)
}
fmt.Println("################# MADE\n", receipts, "\n############################")
parent.GasUsed = totalUsedGas
return receipts, handled, unhandled, err
@ -154,7 +155,7 @@ func (sm *StateManager) Process(block *Block, dontReact bool) error {
}
// Block processing and validating with a given (temporarily) state
func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontReact bool) error {
func (sm *StateManager) ProcessBlock(state *State, parent, block *Block, dontReact bool) (err error) {
// Processing a blocks may never happen simultaneously
sm.mutex.Lock()
defer sm.mutex.Unlock()
@ -175,32 +176,42 @@ 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))
fmt.Println(block.Receipts())
// Process the transactions on to current block
sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
receipts, _, _, _ := sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
defer func() {
if err != nil {
if len(receipts) == len(block.Receipts()) {
for i, receipt := range block.Receipts() {
ethutil.Config.Log.Debugf("diff (r) %v ~ %x <=> (c) %v ~ %x (%x)\n", receipt.CumulativeGasUsed, receipt.PostState[0:4], receipts[i].CumulativeGasUsed, receipts[i].PostState[0:4], receipt.Tx.Hash())
}
} else {
ethutil.Config.Log.Debugln("Unable to print receipt diff. Length didn't match", len(receipts), "for", len(block.Receipts()))
}
}
}()
// Block validation
if err := sm.ValidateBlock(block); err != nil {
if err = sm.ValidateBlock(block); err != nil {
fmt.Println("[SM] Error validating block:", err)
return err
}
// I'm not sure, but I don't know if there should be thrown
// any errors at this time.
if err := sm.AccumelateRewards(state, block); err != nil {
if err = sm.AccumelateRewards(state, block); err != nil {
fmt.Println("[SM] Error accumulating reward", err)
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)
err = fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().trie.Root, state.trie.Root)
return
}
// Calculate the new total difficulty and sync back to the db