mirror of https://github.com/poanetwork/quorum.git
Renamed block manager to state manager
This commit is contained in:
parent
79320e2868
commit
6c6e8b0fd7
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@ -15,14 +15,14 @@ type BlockProcessor interface {
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}
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type EthManager interface {
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StateManager() *BlockManager
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StateManager() *StateManager
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BlockChain() *BlockChain
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TxPool() *TxPool
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Broadcast(msgType ethwire.MsgType, data []interface{})
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}
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// TODO rename to state manager
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type BlockManager struct {
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type StateManager struct {
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// Mutex for locking the block processor. Blocks can only be handled one at a time
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mutex sync.Mutex
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@ -52,8 +52,8 @@ type BlockManager struct {
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compState *State
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}
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func NewBlockManager(ethereum EthManager) *BlockManager {
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bm := &BlockManager{
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func NewStateManager(ethereum EthManager) *StateManager {
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sm := &StateManager{
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stack: NewStack(),
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mem: make(map[string]*big.Int),
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Pow: &EasyPow{},
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@ -62,57 +62,57 @@ func NewBlockManager(ethereum EthManager) *BlockManager {
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bc: ethereum.BlockChain(),
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}
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return bm
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return sm
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}
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func (bm *BlockManager) ProcState() *State {
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return bm.procState
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func (sm *StateManager) ProcState() *State {
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return sm.procState
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}
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// Watches any given address and puts it in the address state store
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func (bm *BlockManager) WatchAddr(addr []byte) *AccountState {
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//FIXME account := bm.procState.GetAccount(addr)
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account := bm.bc.CurrentBlock.state.GetAccount(addr)
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func (sm *StateManager) WatchAddr(addr []byte) *AccountState {
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//FIXME account := sm.procState.GetAccount(addr)
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account := sm.bc.CurrentBlock.state.GetAccount(addr)
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return bm.addrStateStore.Add(addr, account)
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return sm.addrStateStore.Add(addr, account)
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}
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func (bm *BlockManager) GetAddrState(addr []byte) *AccountState {
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account := bm.addrStateStore.Get(addr)
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func (sm *StateManager) GetAddrState(addr []byte) *AccountState {
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account := sm.addrStateStore.Get(addr)
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if account == nil {
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a := bm.bc.CurrentBlock.state.GetAccount(addr)
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a := sm.bc.CurrentBlock.state.GetAccount(addr)
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account = &AccountState{Nonce: a.Nonce, Account: a}
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}
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return account
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}
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func (bm *BlockManager) BlockChain() *BlockChain {
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return bm.bc
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func (sm *StateManager) BlockChain() *BlockChain {
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return sm.bc
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}
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func (bm *BlockManager) MakeContract(tx *Transaction) {
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contract := MakeContract(tx, bm.procState)
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func (sm *StateManager) MakeContract(tx *Transaction) {
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contract := MakeContract(tx, sm.procState)
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if contract != nil {
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bm.procState.states[string(tx.Hash()[12:])] = contract.state
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sm.procState.states[string(tx.Hash()[12:])] = contract.state
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}
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}
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func (bm *BlockManager) ApplyTransactions(block *Block, txs []*Transaction) {
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func (sm *StateManager) ApplyTransactions(block *Block, txs []*Transaction) {
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// Process each transaction/contract
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for _, tx := range txs {
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// If there's no recipient, it's a contract
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if tx.IsContract() {
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//FIXME bm.MakeContract(tx)
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//FIXME sm.MakeContract(tx)
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block.MakeContract(tx)
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} else {
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//FIXME if contract := procState.GetContract(tx.Recipient); contract != nil {
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if contract := block.state.GetContract(tx.Recipient); contract != nil {
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bm.ProcessContract(contract, tx, block)
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sm.ProcessContract(contract, tx, block)
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} else {
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err := bm.Ethereum.TxPool().ProcessTransaction(tx, block)
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err := sm.Ethereum.TxPool().ProcessTransaction(tx, block)
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if err != nil {
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ethutil.Config.Log.Infoln("[BMGR]", err)
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ethutil.Config.Log.Infoln("[smGR]", err)
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}
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}
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}
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@ -121,78 +121,78 @@ func (bm *BlockManager) ApplyTransactions(block *Block, txs []*Transaction) {
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// The prepare function, prepares the state manager for the next
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// "ProcessBlock" action.
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func (bm *BlockManager) Prepare(processer *State, comparative *State) {
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bm.compState = comparative
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bm.procState = processer
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func (sm *StateManager) Prepare(processer *State, comparative *State) {
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sm.compState = comparative
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sm.procState = processer
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}
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// Default prepare function
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func (bm *BlockManager) PrepareDefault(block *Block) {
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bm.Prepare(bm.BlockChain().CurrentBlock.State(), block.State())
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func (sm *StateManager) PrepareDefault(block *Block) {
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sm.Prepare(sm.BlockChain().CurrentBlock.State(), block.State())
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}
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// Block processing and validating with a given (temporarily) state
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func (bm *BlockManager) ProcessBlock(block *Block) error {
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func (sm *StateManager) ProcessBlock(block *Block) error {
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// Processing a blocks may never happen simultaneously
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bm.mutex.Lock()
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defer bm.mutex.Unlock()
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sm.mutex.Lock()
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defer sm.mutex.Unlock()
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// Defer the Undo on the Trie. If the block processing happened
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// we don't want to undo but since undo only happens on dirty
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// nodes this won't happen because Commit would have been called
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// before that.
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defer bm.bc.CurrentBlock.Undo()
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defer sm.bc.CurrentBlock.Undo()
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hash := block.Hash()
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if bm.bc.HasBlock(hash) {
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if sm.bc.HasBlock(hash) {
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return nil
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}
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// Check if we have the parent hash, if it isn't known we discard it
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// Reasons might be catching up or simply an invalid block
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if !bm.bc.HasBlock(block.PrevHash) && bm.bc.CurrentBlock != nil {
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if !sm.bc.HasBlock(block.PrevHash) && sm.bc.CurrentBlock != nil {
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return ParentError(block.PrevHash)
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}
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// Process the transactions on to current block
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bm.ApplyTransactions(bm.bc.CurrentBlock, block.Transactions())
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sm.ApplyTransactions(sm.bc.CurrentBlock, block.Transactions())
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// Block validation
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if err := bm.ValidateBlock(block); err != nil {
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if err := sm.ValidateBlock(block); err != nil {
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return err
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}
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// I'm not sure, but I don't know if there should be thrown
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// any errors at this time.
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if err := bm.AccumelateRewards(bm.bc.CurrentBlock, block); err != nil {
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if err := sm.AccumelateRewards(sm.bc.CurrentBlock, block); err != nil {
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return err
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}
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// if !bm.compState.Cmp(bm.procState)
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if !block.state.Cmp(bm.bc.CurrentBlock.state) {
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return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().trie.Root, bm.bc.CurrentBlock.State().trie.Root)
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//FIXME return fmt.Errorf("Invalid merkle root. Expected %x, got %x", bm.compState.trie.Root, bm.procState.trie.Root)
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// if !sm.compState.Cmp(sm.procState)
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if !block.state.Cmp(sm.bc.CurrentBlock.state) {
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return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().trie.Root, sm.bc.CurrentBlock.State().trie.Root)
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//FIXME return fmt.Errorf("Invalid merkle root. Expected %x, got %x", sm.compState.trie.Root, sm.procState.trie.Root)
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}
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// Calculate the new total difficulty and sync back to the db
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if bm.CalculateTD(block) {
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if sm.CalculateTD(block) {
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// Sync the current block's state to the database and cancelling out the deferred Undo
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bm.bc.CurrentBlock.Sync()
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//FIXME bm.procState.Sync()
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sm.bc.CurrentBlock.Sync()
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//FIXME sm.procState.Sync()
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// Broadcast the valid block back to the wire
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//bm.Ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})
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//sm.Ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})
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// Add the block to the chain
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bm.bc.Add(block)
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sm.bc.Add(block)
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// If there's a block processor present, pass in the block for further
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// processing
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if bm.SecondaryBlockProcessor != nil {
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bm.SecondaryBlockProcessor.ProcessBlock(block)
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if sm.SecondaryBlockProcessor != nil {
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sm.SecondaryBlockProcessor.ProcessBlock(block)
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}
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ethutil.Config.Log.Infof("[BMGR] Added block #%d (%x)\n", block.BlockInfo().Number, block.Hash())
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ethutil.Config.Log.Infof("[smGR] Added block #%d (%x)\n", block.BlockInfo().Number, block.Hash())
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} else {
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fmt.Println("total diff failed")
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}
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@ -200,7 +200,7 @@ func (bm *BlockManager) ProcessBlock(block *Block) error {
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return nil
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}
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func (bm *BlockManager) CalculateTD(block *Block) bool {
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func (sm *StateManager) CalculateTD(block *Block) bool {
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uncleDiff := new(big.Int)
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for _, uncle := range block.Uncles {
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uncleDiff = uncleDiff.Add(uncleDiff, uncle.Difficulty)
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@ -208,14 +208,14 @@ func (bm *BlockManager) CalculateTD(block *Block) bool {
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// TD(genesis_block) = 0 and TD(B) = TD(B.parent) + sum(u.difficulty for u in B.uncles) + B.difficulty
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td := new(big.Int)
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td = td.Add(bm.bc.TD, uncleDiff)
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td = td.Add(sm.bc.TD, uncleDiff)
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td = td.Add(td, block.Difficulty)
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// The new TD will only be accepted if the new difficulty is
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// is greater than the previous.
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if td.Cmp(bm.bc.TD) > 0 {
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if td.Cmp(sm.bc.TD) > 0 {
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// Set the new total difficulty back to the block chain
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bm.bc.SetTotalDifficulty(td)
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sm.bc.SetTotalDifficulty(td)
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return true
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}
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@ -226,20 +226,20 @@ func (bm *BlockManager) CalculateTD(block *Block) bool {
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// Validates the current block. Returns an error if the block was invalid,
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// an uncle or anything that isn't on the current block chain.
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// Validation validates easy over difficult (dagger takes longer time = difficult)
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func (bm *BlockManager) ValidateBlock(block *Block) error {
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func (sm *StateManager) ValidateBlock(block *Block) error {
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// TODO
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// 2. Check if the difficulty is correct
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// Check each uncle's previous hash. In order for it to be valid
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// is if it has the same block hash as the current
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previousBlock := bm.bc.GetBlock(block.PrevHash)
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previousBlock := sm.bc.GetBlock(block.PrevHash)
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for _, uncle := range block.Uncles {
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if bytes.Compare(uncle.PrevHash, previousBlock.PrevHash) != 0 {
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return ValidationError("Mismatch uncle's previous hash. Expected %x, got %x", previousBlock.PrevHash, uncle.PrevHash)
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}
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}
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diff := block.Time - bm.bc.CurrentBlock.Time
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diff := block.Time - sm.bc.CurrentBlock.Time
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if diff < 0 {
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return ValidationError("Block timestamp less then prev block %v", diff)
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}
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@ -250,7 +250,7 @@ func (bm *BlockManager) ValidateBlock(block *Block) error {
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}
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// Verify the nonce of the block. Return an error if it's not valid
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if !bm.Pow.Verify(block.HashNoNonce(), block.Difficulty, block.Nonce) {
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if !sm.Pow.Verify(block.HashNoNonce(), block.Difficulty, block.Nonce) {
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return ValidationError("Block's nonce is invalid (= %v)", block.Nonce)
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}
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@ -269,7 +269,7 @@ func CalculateUncleReward(block *Block) *big.Int {
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return UncleReward
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}
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func (bm *BlockManager) AccumelateRewards(processor *Block, block *Block) error {
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func (sm *StateManager) AccumelateRewards(processor *Block, block *Block) error {
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// Get the coinbase rlp data
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addr := processor.state.GetAccount(block.Coinbase)
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//FIXME addr := proc.GetAccount(block.Coinbase)
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@ -290,11 +290,11 @@ func (bm *BlockManager) AccumelateRewards(processor *Block, block *Block) error
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return nil
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}
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func (bm *BlockManager) Stop() {
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bm.bc.Stop()
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func (sm *StateManager) Stop() {
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sm.bc.Stop()
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}
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func (bm *BlockManager) ProcessContract(contract *Contract, tx *Transaction, block *Block) {
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func (sm *StateManager) ProcessContract(contract *Contract, tx *Transaction, block *Block) {
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// Recovering function in case the VM had any errors
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/*
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defer func() {
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@ -305,7 +305,7 @@ func (bm *BlockManager) ProcessContract(contract *Contract, tx *Transaction, blo
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*/
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vm := &Vm{}
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//vm.Process(contract, bm.procState, RuntimeVars{
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//vm.Process(contract, sm.procState, RuntimeVars{
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vm.Process(contract, block.state, RuntimeVars{
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address: tx.Hash()[12:],
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blockNumber: block.BlockInfo().Number,
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12
ethereum.go
12
ethereum.go
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@ -36,8 +36,8 @@ type Ethereum struct {
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// DB interface
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//db *ethdb.LDBDatabase
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db ethutil.Database
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// Block manager for processing new blocks and managing the block chain
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blockManager *ethchain.BlockManager
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// State manager for processing new blocks and managing the over all states
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stateManager *ethchain.StateManager
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// The transaction pool. Transaction can be pushed on this pool
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// for later including in the blocks
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txPool *ethchain.TxPool
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@ -91,7 +91,7 @@ func New(caps Caps, usePnp bool) (*Ethereum, error) {
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}
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ethereum.txPool = ethchain.NewTxPool(ethereum)
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ethereum.blockChain = ethchain.NewBlockChain(ethereum)
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ethereum.blockManager = ethchain.NewBlockManager(ethereum)
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ethereum.stateManager = ethchain.NewStateManager(ethereum)
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// Start the tx pool
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ethereum.txPool.Start()
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@ -103,8 +103,8 @@ func (s *Ethereum) BlockChain() *ethchain.BlockChain {
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return s.blockChain
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}
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func (s *Ethereum) StateManager() *ethchain.BlockManager {
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return s.blockManager
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func (s *Ethereum) StateManager() *ethchain.StateManager {
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return s.stateManager
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}
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func (s *Ethereum) TxPool() *ethchain.TxPool {
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@ -304,7 +304,7 @@ func (s *Ethereum) Stop() {
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close(s.quit)
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s.txPool.Stop()
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s.blockManager.Stop()
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s.stateManager.Stop()
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close(s.shutdownChan)
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}
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