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Optimisations and fixed a couple of DDOS issues in the miner

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This commit is contained in:
obscuren
2015-02-19 22:33:22 +01:00
parent c14071df9d
commit fa4cbad315
15 changed files with 156 additions and 104 deletions
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25
core/block_processor.go
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@@ -73,24 +73,27 @@ func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block
return receipts, nil
}
func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, state *state.StateDB, block *types.Block, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, statedb *state.StateDB, block *types.Block, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
// If we are mining this block and validating we want to set the logs back to 0
state.EmptyLogs()
statedb.EmptyLogs()
txGas := new(big.Int).Set(tx.Gas())
cb := state.GetStateObject(coinbase.Address())
st := NewStateTransition(NewEnv(state, self.bc, tx, block), tx, cb)
cb := statedb.GetStateObject(coinbase.Address())
st := NewStateTransition(NewEnv(statedb, self.bc, tx, block), tx, cb)
_, err := st.TransitionState()
if err != nil && (IsNonceErr(err) || state.IsGasLimitErr(err)) {
return nil, nil, err
}
txGas.Sub(txGas, st.gas)
// Update the state with pending changes
state.Update(txGas)
statedb.Update(txGas)
cumulative := new(big.Int).Set(usedGas.Add(usedGas, txGas))
receipt := types.NewReceipt(state.Root(), cumulative)
receipt.SetLogs(state.Logs())
receipt := types.NewReceipt(statedb.Root(), cumulative)
receipt.SetLogs(statedb.Logs())
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
chainlogger.Debugln(receipt)
@@ -99,12 +102,12 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, state
go self.eventMux.Post(TxPostEvent{tx})
}
go self.eventMux.Post(state.Logs())
go self.eventMux.Post(statedb.Logs())
return receipt, txGas, err
}
func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state *state.StateDB, block *types.Block, txs types.Transactions, transientProcess bool) (types.Receipts, types.Transactions, types.Transactions, types.Transactions, error) {
func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, statedb *state.StateDB, block *types.Block, txs types.Transactions, transientProcess bool) (types.Receipts, types.Transactions, types.Transactions, types.Transactions, error) {
var (
receipts types.Receipts
handled, unhandled types.Transactions
@@ -115,12 +118,12 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state
)
for _, tx := range txs {
receipt, txGas, err := self.ApplyTransaction(coinbase, state, block, tx, totalUsedGas, transientProcess)
receipt, txGas, err := self.ApplyTransaction(coinbase, statedb, block, tx, totalUsedGas, transientProcess)
if err != nil {
switch {
case IsNonceErr(err):
return nil, nil, nil, nil, err
case IsGasLimitErr(err):
case state.IsGasLimitErr(err):
return nil, nil, nil, nil, err
default:
statelogger.Infoln(err)