log "github.com/sirupsen/logrus"
+ "github.com/vapor/common"
"github.com/vapor/config"
- engine "github.com/vapor/consensus/consensus"
- "github.com/vapor/errors"
+ "github.com/vapor/event"
"github.com/vapor/protocol/bc"
"github.com/vapor/protocol/bc/types"
"github.com/vapor/protocol/state"
// Chain provides functions for working with the Bytom block chain.
type Chain struct {
- index *state.BlockIndex
orphanManage *OrphanManage
txPool *TxPool
store Store
processBlockCh chan *processBlockMsg
- cond sync.Cond
- bestNode *state.BlockNode
- Authoritys map[string]string
- position uint64
- engine engine.Engine
+ signatureCache *common.Cache
+ eventDispatcher *event.Dispatcher
+
+ cond sync.Cond
+ bestBlockHeader *types.BlockHeader
+ bestIrrBlockHeader *types.BlockHeader
}
// NewChain returns a new Chain using store as the underlying storage.
-func NewChain(store Store, txPool *TxPool) (*Chain, error) {
+func NewChain(store Store, txPool *TxPool, eventDispatcher *event.Dispatcher) (*Chain, error) {
c := &Chain{
- orphanManage: NewOrphanManage(),
- txPool: txPool,
- store: store,
- processBlockCh: make(chan *processBlockMsg, maxProcessBlockChSize),
+ orphanManage: NewOrphanManage(),
+ txPool: txPool,
+ store: store,
+ signatureCache: common.NewCache(maxSignatureCacheSize),
+ eventDispatcher: eventDispatcher,
+ processBlockCh: make(chan *processBlockMsg, maxProcessBlockChSize),
}
c.cond.L = new(sync.Mutex)
}
var err error
- if c.index, err = store.LoadBlockIndex(storeStatus.Height); err != nil {
+ c.bestBlockHeader, err = c.store.GetBlockHeader(storeStatus.Hash)
+ if err != nil {
return nil, err
}
- c.bestNode = c.index.GetNode(storeStatus.Hash)
- c.index.SetMainChain(c.bestNode)
+ c.bestIrrBlockHeader, err = c.store.GetBlockHeader(storeStatus.IrreversibleHash)
+ if err != nil {
+ return nil, err
+ }
go c.blockProcesser()
return c, nil
}
-func (c *Chain) SetAuthoritys(authoritys map[string]string) {
- c.Authoritys = authoritys
-}
-
-func (c *Chain) SetPosition(position uint64) {
- c.position = position
-}
-
-func (c *Chain) SetConsensusEngine(engine engine.Engine) {
- c.engine = engine
-}
-
func (c *Chain) initChainStatus() error {
genesisBlock := config.GenesisBlock()
txStatus := bc.NewTransactionStatus()
return err
}
- node, err := state.NewBlockNode(&genesisBlock.BlockHeader, nil)
- if err != nil {
- return err
- }
- return c.store.SaveChainStatus(node, utxoView)
+ voteResults := []*state.VoteResult{&state.VoteResult{
+ Seq: 0,
+ NumOfVote: map[string]uint64{},
+ BlockHash: genesisBlock.Hash(),
+ BlockHeight: 0,
+ }}
+
+ genesisBlockHeader := &genesisBlock.BlockHeader
+ return c.store.SaveChainStatus(genesisBlockHeader, genesisBlockHeader, []*types.BlockHeader{genesisBlockHeader}, utxoView, voteResults)
}
// BestBlockHeight returns the current height of the blockchain.
func (c *Chain) BestBlockHeight() uint64 {
c.cond.L.Lock()
defer c.cond.L.Unlock()
- return c.bestNode.Height
+ return c.bestBlockHeader.Height
}
// BestBlockHash return the hash of the chain tail block
func (c *Chain) BestBlockHash() *bc.Hash {
c.cond.L.Lock()
defer c.cond.L.Unlock()
- return &c.bestNode.Hash
+ bestHash := c.bestBlockHeader.Hash()
+ return &bestHash
}
-// BestBlockHeader returns the chain tail block
+// BestIrreversibleHeader returns the chain best irreversible block header
+func (c *Chain) BestIrreversibleHeader() *types.BlockHeader {
+ c.cond.L.Lock()
+ defer c.cond.L.Unlock()
+ return c.bestIrrBlockHeader
+}
+
+// BestBlockHeader returns the chain best block header
func (c *Chain) BestBlockHeader() *types.BlockHeader {
- node := c.index.BestNode()
- return node.BlockHeader()
+ c.cond.L.Lock()
+ defer c.cond.L.Unlock()
+ return c.bestBlockHeader
}
// InMainChain checks wheather a block is in the main chain
func (c *Chain) InMainChain(hash bc.Hash) bool {
- return c.index.InMainchain(hash)
-}
-
-// CalcNextSeed return the seed for the given block
-func (c *Chain) CalcNextSeed(preBlock *bc.Hash) (*bc.Hash, error) {
- node := c.index.GetNode(preBlock)
- if node == nil {
- return nil, errors.New("can't find preblock in the blockindex")
+ blockHeader, err := c.store.GetBlockHeader(&hash)
+ if err != nil {
+ return false
}
- return node.CalcNextSeed(), nil
-}
-// CalcNextBits return the seed for the given block
-func (c *Chain) CalcNextBits(preBlock *bc.Hash) (uint64, error) {
- node := c.index.GetNode(preBlock)
- if node == nil {
- return 0, errors.New("can't find preblock in the blockindex")
+ blockHash, err := c.store.GetMainChainHash(blockHeader.Height)
+ if err != nil {
+ log.WithFields(log.Fields{"module": logModule, "height": blockHeader.Height}).Debug("not contain block hash in main chain for specified height")
+ return false
}
- return node.CalcNextBits(), nil
+ return *blockHash == hash
}
// This function must be called with mu lock in above level
-func (c *Chain) setState(node *state.BlockNode, view *state.UtxoViewpoint) error {
- if err := c.store.SaveChainStatus(node, view); err != nil {
+func (c *Chain) setState(blockHeader, irrBlockHeader *types.BlockHeader, mainBlockHeaders []*types.BlockHeader, view *state.UtxoViewpoint, voteResults []*state.VoteResult) error {
+ if err := c.store.SaveChainStatus(blockHeader, irrBlockHeader, mainBlockHeaders, view, voteResults); err != nil {
return err
}
- c.cond.L.Lock()
- defer c.cond.L.Unlock()
-
- c.index.SetMainChain(node)
- c.bestNode = node
+ c.bestBlockHeader = blockHeader
+ c.bestIrrBlockHeader = irrBlockHeader
- log.WithFields(log.Fields{"height": c.bestNode.Height, "hash": c.bestNode.Hash.String()}).Debug("chain best status has been update")
+ blockHash := blockHeader.Hash()
+ log.WithFields(log.Fields{"module": logModule, "height": blockHeader.Height, "hash": blockHash.String()}).Debug("chain best status has been update")
c.cond.Broadcast()
return nil
}
go func() {
c.cond.L.Lock()
defer c.cond.L.Unlock()
- for c.bestNode.Height < height {
+ for c.bestBlockHeader.Height < height {
c.cond.Wait()
}
ch <- struct{}{}
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