import (
log "github.com/sirupsen/logrus"
+ "github.com/vapor/config"
"github.com/vapor/errors"
+ "github.com/vapor/event"
"github.com/vapor/protocol/bc"
"github.com/vapor/protocol/bc/types"
"github.com/vapor/protocol/state"
ErrBadBlock = errors.New("invalid block")
// ErrBadStateRoot is returned when the computed assets merkle root
// disagrees with the one declared in a block header.
- ErrBadStateRoot = errors.New("invalid state merkle root")
+ ErrBadStateRoot = errors.New("invalid state merkle root")
+ errBelowIrreversibleBlock = errors.New("the height of block below the height of irreversible block")
)
// BlockExist check is a block in chain or orphan
// GetBlockByHash return a block by given hash
func (c *Chain) GetBlockByHash(hash *bc.Hash) (*types.Block, error) {
- return c.store.GetBlock(hash)
+ node := c.index.GetNode(hash)
+ if node == nil {
+ return nil, errors.New("can't find block in given hash")
+ }
+ return c.store.GetBlock(hash, node.Height)
}
// GetBlockByHeight return a block header by given height
if node == nil {
return nil, errors.New("can't find block in given height")
}
- return c.store.GetBlock(&node.Hash)
+ return c.store.GetBlock(&node.Hash, height)
}
// GetHeaderByHash return a block header by given hash
}
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
if err := utxoView.ApplyBlock(bcBlock, bcBlock.TransactionStatus); err != nil {
return err
}
+
+ voteResult, err := c.consensusNodeManager.getBestVoteResult()
+ if err != nil {
+ return err
+ }
+ if err := voteResult.ApplyBlock(block); err != nil {
+ return err
+ }
+
node := c.index.GetNode(&bcBlock.ID)
- if err := c.setState(node, utxoView); err != nil {
+ if c.isIrreversible(node) && block.Height > irreversibleNode.Height {
+ irreversibleNode = node
+ }
+
+ if err := c.setState(node, irreversibleNode, utxoView, []*state.VoteResult{voteResult}); err != nil {
return err
}
+
for _, tx := range block.Transactions {
- for key, value := range tx.Entries {
- switch value.(type) {
- case *bc.Claim:
- c.store.SetWithdrawSpent(&key)
- default:
- continue
- }
- }
c.txPool.RemoveTransaction(&tx.Tx.ID)
}
return nil
func (c *Chain) reorganizeChain(node *state.BlockNode) error {
attachNodes, detachNodes := c.calcReorganizeNodes(node)
utxoView := state.NewUtxoViewpoint()
+ voteResults := []*state.VoteResult{}
+ irreversibleNode := c.bestIrreversibleNode
+ voteResult, err := c.consensusNodeManager.getBestVoteResult()
+ if err != nil {
+ return err
+ }
for _, detachNode := range detachNodes {
- b, err := c.store.GetBlock(&detachNode.Hash)
+ b, err := c.store.GetBlock(&detachNode.Hash, detachNode.Height)
if err != nil {
return err
}
if err := c.store.GetTransactionsUtxo(utxoView, detachBlock.Transactions); err != nil {
return err
}
+
txStatus, err := c.GetTransactionStatus(&detachBlock.ID)
if err != nil {
return err
}
+
if err := utxoView.DetachBlock(detachBlock, txStatus); err != nil {
return err
}
- log.WithFields(log.Fields{"height": node.Height, "hash": node.Hash.String()}).Debug("detach from mainchain")
+ if err := voteResult.DetachBlock(b); err != nil {
+ return err
+ }
+
+ log.WithFields(log.Fields{"module": logModule, "height": node.Height, "hash": node.Hash.String()}).Debug("detach from mainchain")
}
for _, attachNode := range attachNodes {
- b, err := c.store.GetBlock(&attachNode.Hash)
+ b, err := c.store.GetBlock(&attachNode.Hash, attachNode.Height)
if err != nil {
return err
}
if err := c.store.GetTransactionsUtxo(utxoView, attachBlock.Transactions); err != nil {
return err
}
+
txStatus, err := c.GetTransactionStatus(&attachBlock.ID)
if err != nil {
return err
}
+
if err := utxoView.ApplyBlock(attachBlock, txStatus); err != nil {
return err
}
- log.WithFields(log.Fields{"height": node.Height, "hash": node.Hash.String()}).Debug("attach from mainchain")
+ if err := voteResult.ApplyBlock(b); err != nil {
+ return err
+ }
+
+ if voteResult.IsFinalize() {
+ voteResults = append(voteResults, voteResult.Fork())
+ }
+
+ if c.isIrreversible(attachNode) && attachNode.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)
+ if detachNodes[len(detachNodes)-1].Height <= c.bestIrreversibleNode.Height && irreversibleNode.Height <= c.bestIrreversibleNode.Height {
+ return errors.New("rollback block below the height of irreversible block")
+ }
+ voteResults = append(voteResults, voteResult.Fork())
+ return c.setState(node, irreversibleNode, utxoView, voteResults)
}
// SaveBlock will validate and save block into storage
func (c *Chain) saveBlock(block *types.Block) error {
- bcBlock := types.MapBlock(block)
+ if err := c.validateSign(block); err != nil {
+ return errors.Sub(ErrBadBlock, err)
+ }
+
parent := c.index.GetNode(&block.PreviousBlockHash)
+ bcBlock := types.MapBlock(block)
+ if err := validation.ValidateBlock(bcBlock, parent); err != nil {
+ return errors.Sub(ErrBadBlock, err)
+ }
- if err := validation.ValidateBlock(bcBlock, parent, block, c, c.engine, c.Authoritys, c.position); err != nil {
+ signature, err := c.SignBlock(block)
+ if err != nil {
return errors.Sub(ErrBadBlock, err)
}
+
if err := c.store.SaveBlock(block, bcBlock.TransactionStatus); err != nil {
return err
}
}
c.index.AddNode(node)
+
+ if len(signature) != 0 {
+ xPub := config.CommonConfig.PrivateKey().XPub()
+ if err := c.eventDispatcher.Post(event.BlockSignatureEvent{BlockHash: block.Hash(), Signature: signature, XPub: xPub[:]}); err != nil {
+ return err
+ }
+ }
return nil
}
for _, prevOrphan := range prevOrphans {
orphanBlock, ok := c.orphanManage.Get(prevOrphan)
if !ok {
- log.WithFields(log.Fields{"hash": prevOrphan.String()}).Warning("saveSubBlock fail to get block from orphanManage")
+ log.WithFields(log.Fields{"module": logModule, "hash": prevOrphan.String()}).Warning("saveSubBlock fail to get block from orphanManage")
continue
}
if err := c.saveBlock(orphanBlock); err != nil {
- log.WithFields(log.Fields{"hash": prevOrphan.String(), "height": orphanBlock.Height}).Warning("saveSubBlock fail to save block")
+ log.WithFields(log.Fields{"module": logModule, "hash": prevOrphan.String(), "height": orphanBlock.Height}).Warning("saveSubBlock fail to save block")
continue
}
func (c *Chain) processBlock(block *types.Block) (bool, error) {
blockHash := block.Hash()
if c.BlockExist(&blockHash) {
- log.WithFields(log.Fields{"hash": blockHash.String(), "height": block.Height}).Info("block has been processed")
+ log.WithFields(log.Fields{"module": logModule, "hash": blockHash.String(), "height": block.Height}).Info("block has been processed")
return c.orphanManage.BlockExist(&blockHash), nil
}
bestBlockHash := bestBlock.Hash()
bestNode := c.index.GetNode(&bestBlockHash)
+ c.cond.L.Lock()
+ defer c.cond.L.Unlock()
if bestNode.Parent == c.bestNode {
- log.Debug("append block to the end of mainchain")
+ log.WithFields(log.Fields{"module": logModule}).Debug("append block to the end of mainchain")
return false, c.connectBlock(bestBlock)
}
- if bestNode.Height > c.bestNode.Height && bestNode.WorkSum.Cmp(c.bestNode.WorkSum) >= 0 {
- log.Debug("start to reorganize chain")
+ 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
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