mirror of https://github.com/poanetwork/quorum.git
Cleaned up
Removed the unneeded address watch mechanism. State manager's transient state should now take care of this.
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@ -25,24 +25,16 @@ type EthManager interface {
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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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// Canonical block chain
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bc *BlockChain
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// States for addresses. You can watch any address
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// at any given time
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stateObjectCache *StateObjectCache
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// Stack for processing contracts
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stack *Stack
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// non-persistent key/value memory storage
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mem map[string]*big.Int
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// Proof of work used for validating
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Pow PoW
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// The ethereum manager interface
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Ethereum EthManager
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SecondaryBlockProcessor BlockProcessor
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// The managed states
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// Processor state. Anything processed will be applied to this
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// state
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@ -54,19 +46,18 @@ type StateManager struct {
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// it could be used for setting account nonces without effecting
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// the main states.
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transState *State
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// Manifest for keeping changes regarding state objects. See `notify`
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manifest *Manifest
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}
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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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Ethereum: ethereum,
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stateObjectCache: NewStateObjectCache(),
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bc: ethereum.BlockChain(),
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manifest: NewManifest(),
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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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Ethereum: ethereum,
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bc: ethereum.BlockChain(),
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manifest: NewManifest(),
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}
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sm.procState = ethereum.BlockChain().CurrentBlock.State()
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sm.transState = sm.procState.Copy()
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@ -193,12 +184,6 @@ func (sm *StateManager) ProcessBlock(block *Block, dontReact bool) error {
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// Add the block to the chain
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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 sm.SecondaryBlockProcessor != nil {
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sm.SecondaryBlockProcessor.ProcessBlock(block)
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}
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ethutil.Config.Log.Infof("[STATE] Added block #%d (%x)\n", block.BlockInfo().Number, block.Hash())
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if dontReact == false {
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sm.Ethereum.Reactor().Post("newBlock", block)
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@ -160,33 +160,8 @@ func (c *StateObject) RlpDecode(data []byte) {
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c.script = decoder.Get(3).Bytes()
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}
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// The cached state and state object cache are helpers which will give you somewhat
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// control over the nonce. When creating new transactions you're interested in the 'next'
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// nonce rather than the current nonce. This to avoid creating invalid-nonce transactions.
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type StateObjectCache struct {
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cachedObjects map[string]*CachedStateObject
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}
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func NewStateObjectCache() *StateObjectCache {
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return &StateObjectCache{cachedObjects: make(map[string]*CachedStateObject)}
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}
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func (s *StateObjectCache) Add(addr []byte, object *StateObject) *CachedStateObject {
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state := &CachedStateObject{Nonce: object.Nonce, Object: object}
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s.cachedObjects[string(addr)] = state
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return state
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}
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func (s *StateObjectCache) Get(addr []byte) *CachedStateObject {
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return s.cachedObjects[string(addr)]
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}
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type CachedStateObject struct {
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Nonce uint64
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Object *StateObject
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}
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// Storage change object. Used by the manifest for notifying changes to
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// the sub channels.
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type StorageState struct {
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StateAddress []byte
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Address []byte
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