log "github.com/sirupsen/logrus"
"github.com/vapor/errors"
+ "github.com/vapor/event"
"github.com/vapor/protocol/bc"
"github.com/vapor/protocol/bc/types"
"github.com/vapor/protocol/state"
}
func (c *Chain) connectBlock(block *types.Block) (err error) {
+ irreversibleNode := c.bestIrreversibleNode
bcBlock := types.MapBlock(block)
if bcBlock.TransactionStatus, err = c.store.GetTransactionStatus(&bcBlock.ID); err != nil {
return err
return err
}
+ voteResultMap := make(map[uint64]*state.VoteResult)
+ if err := c.bbft.ApplyBlock(voteResultMap, block); err != nil {
+ return err
+ }
+
node := c.index.GetNode(&bcBlock.ID)
- if err := c.setState(node, utxoView); err != nil {
+ if c.bbft.isIrreversible(block) && block.Height > irreversibleNode.Height {
+ irreversibleNode = node
+ }
+
+ if err := c.setState(node, irreversibleNode, utxoView, voteResultMap); err != nil {
return err
}
func (c *Chain) reorganizeChain(node *state.BlockNode) error {
attachNodes, detachNodes := c.calcReorganizeNodes(node)
utxoView := state.NewUtxoViewpoint()
-
+ voteResultMap := make(map[uint64]*state.VoteResult)
+ irreversibleNode := c.bestIrreversibleNode
+
for _, detachNode := range detachNodes {
b, err := c.store.GetBlock(&detachNode.Hash)
if err != nil {
return err
}
+ if b.Height <= irreversibleNode.Height {
+ return errors.New("the height of rollback block below the height of irreversible block")
+ }
+
detachBlock := types.MapBlock(b)
if err := c.store.GetTransactionsUtxo(utxoView, detachBlock.Transactions); err != nil {
return err
if err := utxoView.DetachBlock(detachBlock, txStatus); err != nil {
return err
}
+
+ if err := c.bbft.DetachBlock(voteResultMap, b); err != nil {
+ return err
+ }
log.WithFields(log.Fields{"module": logModule, "height": node.Height, "hash": node.Hash.String()}).Debug("detach from mainchain")
}
return err
}
+ if err := c.bbft.ApplyBlock(voteResultMap, b); err != nil {
+ return err
+ }
+
+ if c.bbft.isIrreversible(b) && b.Height > irreversibleNode.Height {
+ irreversibleNode = attachNode
+ }
+
log.WithFields(log.Fields{"module": logModule, "height": node.Height, "hash": node.Hash.String()}).Debug("attach from mainchain")
}
- return c.setState(node, utxoView)
+ return c.setState(node, irreversibleNode, utxoView, voteResultMap)
}
// SaveBlock will validate and save block into storage
func (c *Chain) saveBlock(block *types.Block) error {
- bcBlock := types.MapBlock(block)
+ if err := c.bbft.ValidateBlock(block); err != nil {
+ return errors.Sub(ErrBadBlock, err)
+ }
+
parent := c.index.GetNode(&block.PreviousBlockHash)
+ if err := validation.ValidateBlock(types.MapBlock(block), parent); err != nil {
+ return errors.Sub(ErrBadBlock, err)
+ }
- if err := validation.ValidateBlock(bcBlock, parent); err != nil {
+ signature, err := c.bbft.SignBlock(block)
+ if err != nil {
return errors.Sub(ErrBadBlock, err)
}
+
+ if len(signature) != 0 {
+ if err := c.bbft.eventDispatcher.Post(event.BlockSignatureEvent{BlockHash: block.Hash(), Signature: signature}); err != nil {
+ return err
+ }
+ }
+
+ bcBlock := types.MapBlock(block)
if err := c.store.SaveBlock(block, bcBlock.TransactionStatus); err != nil {
return err
}
// ProcessBlock is the entry for handle block insert
func (c *Chain) processBlock(block *types.Block) (bool, error) {
+ if block.Height <= c.bestIrreversibleNode.Height {
+ return false, errors.New("the height of block below the height of irreversible block")
+ }
+
blockHash := block.Hash()
if c.BlockExist(&blockHash) {
log.WithFields(log.Fields{"module": logModule, "hash": blockHash.String(), "height": block.Height}).Info("block has been processed")
return c.orphanManage.BlockExist(&blockHash), nil
}
- if parent := c.index.GetNode(&block.PreviousBlockHash); parent == nil {
+ parent := c.index.GetNode(&block.PreviousBlockHash)
+ if parent == nil {
c.orphanManage.Add(block)
return true, nil
}
return false, c.connectBlock(bestBlock)
}
- if bestNode.Height > c.bestNode.Height && bestNode.WorkSum.Cmp(c.bestNode.WorkSum) >= 0 {
+ if bestNode.Height > c.bestNode.Height {
log.WithFields(log.Fields{"module": logModule}).Debug("start to reorganize chain")
return false, c.reorganizeChain(bestNode)
}
return false, nil
}
+
+func (c *Chain) processBlockSignature(signature, pubkey []byte, blockHeight uint64, blockHash *bc.Hash) error {
+ isBestIrreversible, err := c.bbft.ProcessBlockSignature(signature, pubkey, blockHeight, blockHash)
+ if err != nil {
+ return err
+ }
+
+ if isBestIrreversible {
+ bestIrreversibleNode := c.index.GetNode(blockHash)
+ if err := c.store.SaveChainNodeStatus(c.bestNode, bestIrreversibleNode); err != nil {
+ return err
+ }
+
+ c.bestIrreversibleNode = bestIrreversibleNode
+ }
+ return nil
+}