log "github.com/sirupsen/logrus"
"github.com/vapor/consensus"
- "github.com/vapor/consensus/segwit"
"github.com/vapor/errors"
"github.com/vapor/federation/common"
"github.com/vapor/federation/config"
"github.com/vapor/federation/service"
"github.com/vapor/protocol/bc"
"github.com/vapor/protocol/bc/types"
- "github.com/vapor/wallet"
)
type sidechainKeeper struct {
cfg *config.Chain
db *gorm.DB
node *service.Node
- chainName string
assetStore *database.AssetStore
+ chainID uint64
}
func NewSidechainKeeper(db *gorm.DB, assetStore *database.AssetStore, cfg *config.Config) *sidechainKeeper {
+ chain := &orm.Chain{Name: common.VaporChainName}
+ if err := db.Where(chain).First(chain).Error; err != nil {
+ log.WithField("err", err).Fatal("fail on get chain info")
+ }
+
return &sidechainKeeper{
cfg: &cfg.Sidechain,
db: db,
node: service.NewNode(cfg.Sidechain.Upstream),
- chainName: cfg.Sidechain.Name,
assetStore: assetStore,
}
}
}
}
-func (s *sidechainKeeper) syncBlock() (bool, error) {
- chain := &orm.Chain{Name: s.chainName}
- if err := s.db.Where(chain).First(chain).Error; err != nil {
- return false, errors.Wrap(err, "query chain")
- }
-
- height, err := s.node.GetBlockCount()
- if err != nil {
- return false, err
- }
+func (s *sidechainKeeper) createCrossChainReqs(db *gorm.DB, crossTransactionID uint64, tx *types.Tx, statusFail bool) error {
+ fromAddress := common.ProgToAddress(tx.Inputs[0].ControlProgram(), &consensus.MainNetParams)
+ for i, rawOutput := range tx.Outputs {
+ if rawOutput.OutputType() != types.CrossChainOutputType {
+ continue
+ }
- if height <= chain.BlockHeight+s.cfg.Confirmations {
- return false, nil
- }
+ if statusFail && *rawOutput.OutputCommitment().AssetAmount.AssetId != *consensus.BTMAssetID {
+ continue
+ }
- nextBlockStr, txStatus, err := s.node.GetBlockByHeight(chain.BlockHeight + 1)
- if err != nil {
- return false, err
- }
+ asset, err := s.assetStore.GetByAssetID(rawOutput.OutputCommitment().AssetAmount.AssetId.String())
+ if err != nil {
+ return err
+ }
- nextBlock := &types.Block{}
- if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
- return false, errors.New("Unmarshal nextBlock")
- }
+ prog := rawOutput.ControlProgram()
+ req := &orm.CrossTransactionReq{
+ CrossTransactionID: crossTransactionID,
+ SourcePos: uint64(i),
+ AssetID: asset.ID,
+ AssetAmount: rawOutput.OutputCommitment().AssetAmount.Amount,
+ Script: hex.EncodeToString(prog),
+ FromAddress: fromAddress,
+ ToAddress: common.ProgToAddress(prog, &consensus.BytomMainNetParams),
+ }
- if nextBlock.PreviousBlockHash.String() != chain.BlockHash {
- log.WithFields(log.Fields{
- "remote PreviousBlockHash": nextBlock.PreviousBlockHash.String(),
- "db block_hash": chain.BlockHash,
- }).Fatal("BlockHash mismatch")
- return false, ErrInconsistentDB
+ if err := db.Create(req).Error; err != nil {
+ return err
+ }
}
+ return nil
+}
- if err := s.tryAttachBlock(chain, nextBlock, txStatus); err != nil {
- return false, err
+func (s *sidechainKeeper) isDepositTx(tx *types.Tx) bool {
+ for _, input := range tx.Inputs {
+ if input.InputType() == types.CrossChainInputType {
+ return true
+ }
}
-
- return true, nil
+ return false
}
-func (s *sidechainKeeper) tryAttachBlock(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus) error {
- blockHash := block.Hash()
- log.WithFields(log.Fields{"block_height": block.Height, "block_hash": blockHash.String()}).Info("start to attachBlock")
- dbTx := s.db.Begin()
- if err := s.processBlock(chain, block, txStatus); err != nil {
- dbTx.Rollback()
- return err
+func (s *sidechainKeeper) isWithdrawalTx(tx *types.Tx) bool {
+ for _, output := range tx.Outputs {
+ if output.OutputType() == types.CrossChainOutputType {
+ return true
+ }
}
-
- return dbTx.Commit().Error
+ return false
}
-func (s *sidechainKeeper) processBlock(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus) error {
+func (s *sidechainKeeper) processBlock(db *gorm.DB, block *types.Block, txStatus *bc.TransactionStatus) error {
for i, tx := range block.Transactions {
if s.isDepositTx(tx) {
- if err := s.processDepositTx(chain, block, uint64(i), tx); err != nil {
+ if err := s.processDepositTx(db, block, i); err != nil {
return err
}
}
if s.isWithdrawalTx(tx) {
- if err := s.processWithdrawalTx(chain, block, txStatus, uint64(i), tx); err != nil {
+ if err := s.processWithdrawalTx(db, block, txStatus, i); err != nil {
return err
}
}
}
-
- return s.processChainInfo(chain, block)
+ return nil
}
-func (s *sidechainKeeper) isDepositTx(tx *types.Tx) bool {
- for _, input := range tx.Inputs {
- if input.InputType() == types.CrossChainInputType {
- return true
- }
+func (s *sidechainKeeper) processChainInfo(db *gorm.DB, block *types.Block) error {
+ blockHash := block.Hash()
+ res := db.Model(&orm.Chain{}).Where("block_hash = ?", block.PreviousBlockHash.String()).Updates(&orm.Chain{
+ BlockHash: blockHash.String(),
+ BlockHeight: block.Height,
+ })
+ if err := res.Error; err != nil {
+ return err
}
- return false
-}
-func (s *sidechainKeeper) isWithdrawalTx(tx *types.Tx) bool {
- for _, output := range tx.Outputs {
- if output.OutputType() == types.CrossChainOutputType {
- return true
- }
+ if res.RowsAffected != 1 {
+ return ErrInconsistentDB
}
- return false
+
+ return nil
}
-func (s *sidechainKeeper) processDepositTx(chain *orm.Chain, block *types.Block, txIndex uint64, tx *types.Tx) error {
+func (s *sidechainKeeper) processDepositTx(db *gorm.DB, block *types.Block, txIndex int) error {
+ tx := block.Transactions[txIndex]
+ sourceTxHash, err := s.locateMainChainTx(tx.Inputs[0])
+ if err != nil {
+ return err
+ }
+
blockHash := block.Hash()
- stmt := s.db.Model(&orm.CrossTransaction{}).Where("chain_id != ?", chain.ID).
- Where(&orm.CrossTransaction{
- DestTxHash: sql.NullString{tx.ID.String(), true},
- Status: common.CrossTxPendingStatus,
- }).UpdateColumn(&orm.CrossTransaction{
+ stmt := db.Model(&orm.CrossTransaction{}).Where(&orm.CrossTransaction{
+ SourceTxHash: sourceTxHash,
+ Status: common.CrossTxPendingStatus,
+ }).UpdateColumn(&orm.CrossTransaction{
DestBlockHeight: sql.NullInt64{int64(block.Height), true},
DestBlockTimestamp: sql.NullInt64{int64(block.Timestamp), true},
DestBlockHash: sql.NullString{blockHash.String(), true},
DestTxIndex: sql.NullInt64{int64(txIndex), true},
+ DestTxHash: sql.NullString{tx.ID.String(), true},
Status: common.CrossTxCompletedStatus,
})
if stmt.Error != nil {
}
if stmt.RowsAffected != 1 {
- log.Warnf("sidechainKeeper.processDepositTx(%v): rows affected != 1", tx.ID.String())
+ return errors.Wrap(ErrInconsistentDB, "fail on find deposit data on database")
}
return nil
}
-func (s *sidechainKeeper) processWithdrawalTx(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus, txIndex uint64, tx *types.Tx) error {
- blockHash := block.Hash()
-
+func (s *sidechainKeeper) processWithdrawalTx(db *gorm.DB, block *types.Block, txStatus *bc.TransactionStatus, txIndex int) error {
+ tx := block.Transactions[txIndex]
var muxID bc.Hash
- res0ID := tx.ResultIds[0]
- switch res := tx.Entries[*res0ID].(type) {
+ switch res := tx.Entries[*tx.ResultIds[0]].(type) {
case *bc.CrossChainOutput:
muxID = *res.Source.Ref
case *bc.IntraChainOutput:
muxID = *res.Source.Ref
case *bc.VoteOutput:
muxID = *res.Source.Ref
+ case *bc.Retirement:
+ muxID = *res.Source.Ref
default:
return ErrOutputType
}
return err
}
+ blockHash := block.Hash()
ormTx := &orm.CrossTransaction{
- ChainID: chain.ID,
+ ChainID: s.chainID,
SourceBlockHeight: block.Height,
SourceBlockTimestamp: block.Timestamp,
SourceBlockHash: blockHash.String(),
- SourceTxIndex: txIndex,
+ SourceTxIndex: uint64(txIndex),
SourceMuxID: muxID.String(),
SourceTxHash: tx.ID.String(),
SourceRawTransaction: string(rawTx),
DestTxHash: sql.NullString{Valid: false},
Status: common.CrossTxPendingStatus,
}
- if err := s.db.Create(ormTx).Error; err != nil {
+ if err := db.Create(ormTx).Error; err != nil {
return errors.Wrap(err, fmt.Sprintf("create sidechain WithdrawalTx %s", tx.ID.String()))
}
- statusFail := txStatus.VerifyStatus[txIndex].StatusFail
- crossChainOutputs, err := s.getCrossChainReqs(ormTx.ID, tx, statusFail)
- if err != nil {
- return err
- }
+ return s.createCrossChainReqs(db, ormTx.ID, tx, txStatus.VerifyStatus[txIndex].StatusFail)
+}
- for _, output := range crossChainOutputs {
- if err := s.db.Create(output).Error; err != nil {
- return errors.Wrap(err, fmt.Sprintf("create WithdrawalFromSidechain output: txid(%s), pos(%d)", tx.ID.String(), output.SourcePos))
- }
+func (s *sidechainKeeper) locateMainChainTx(input *types.TxInput) (string, error) {
+ if input.InputType() != types.CrossChainInputType {
+ return "", errors.New("found weird crossChain tx")
}
- return nil
+ crossIn := input.TypedInput.(*types.CrossChainInput)
+ crossTx := &orm.CrossTransaction{SourceMuxID: crossIn.SpendCommitment.SourceID.String()}
+ if err := s.db.Where(crossTx).First(crossTx).Error; err != nil {
+ return "", errors.Wrap(err, "fail on find CrossTransaction")
+ }
+ return crossTx.SourceTxHash, nil
}
-func (s *sidechainKeeper) getCrossChainReqs(crossTransactionID uint64, tx *types.Tx, statusFail bool) ([]*orm.CrossTransactionReq, error) {
- var fromAddress string
- inputCP := tx.Inputs[0].ControlProgram()
- switch {
- case segwit.IsP2WPKHScript(inputCP):
- if pubHash, err := segwit.GetHashFromStandardProg(inputCP); err == nil {
- fromAddress = wallet.BuildP2PKHAddress(pubHash, &consensus.MainNetParams)
- }
- case segwit.IsP2WSHScript(inputCP):
- if scriptHash, err := segwit.GetHashFromStandardProg(inputCP); err == nil {
- fromAddress = wallet.BuildP2SHAddress(scriptHash, &consensus.MainNetParams)
- }
+func (s *sidechainKeeper) syncBlock() (bool, error) {
+ chain := &orm.Chain{ID: s.chainID}
+ if err := s.db.First(chain).Error; err != nil {
+ return false, errors.Wrap(err, "query chain")
}
- reqs := []*orm.CrossTransactionReq{}
- for i, rawOutput := range tx.Outputs {
- // check valid withdrawal
- if rawOutput.OutputType() != types.CrossChainOutputType {
- continue
- }
+ height, err := s.node.GetBlockCount()
+ if err != nil {
+ return false, err
+ }
- if statusFail && *rawOutput.OutputCommitment().AssetAmount.AssetId != *consensus.BTMAssetID {
- continue
- }
+ if height <= chain.BlockHeight+s.cfg.Confirmations {
+ return false, nil
+ }
- asset, err := s.assetStore.GetByAssetID(rawOutput.OutputCommitment().AssetAmount.AssetId.String())
- if err != nil {
- return nil, err
- }
+ nextBlockStr, txStatus, err := s.node.GetBlockByHeight(chain.BlockHeight + 1)
+ if err != nil {
+ return false, err
+ }
- var toAddress string
- outputCP := rawOutput.ControlProgram()
- switch {
- case segwit.IsP2WPKHScript(outputCP):
- if pubHash, err := segwit.GetHashFromStandardProg(outputCP); err == nil {
- toAddress = wallet.BuildP2PKHAddress(pubHash, &consensus.BytomMainNetParams)
- }
- case segwit.IsP2WSHScript(outputCP):
- if scriptHash, err := segwit.GetHashFromStandardProg(outputCP); err == nil {
- toAddress = wallet.BuildP2SHAddress(scriptHash, &consensus.BytomMainNetParams)
- }
- }
+ nextBlock := &types.Block{}
+ if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
+ return false, errors.New("Unmarshal nextBlock")
+ }
- req := &orm.CrossTransactionReq{
- CrossTransactionID: crossTransactionID,
- SourcePos: uint64(i),
- AssetID: asset.ID,
- AssetAmount: rawOutput.OutputCommitment().AssetAmount.Amount,
- Script: hex.EncodeToString(rawOutput.ControlProgram()),
- FromAddress: fromAddress,
- ToAddress: toAddress,
- }
- reqs = append(reqs, req)
+ if nextBlock.PreviousBlockHash.String() != chain.BlockHash {
+ log.WithFields(log.Fields{
+ "remote previous_block_Hash": nextBlock.PreviousBlockHash.String(),
+ "db block_hash": chain.BlockHash,
+ }).Fatal("fail on block hash mismatch")
+ }
+
+ if err := s.tryAttachBlock(nextBlock, txStatus); err != nil {
+ return false, err
}
- return reqs, nil
+
+ return true, nil
}
-func (s *sidechainKeeper) processChainInfo(chain *orm.Chain, block *types.Block) error {
+func (s *sidechainKeeper) tryAttachBlock(block *types.Block, txStatus *bc.TransactionStatus) error {
blockHash := block.Hash()
- chain.BlockHash = blockHash.String()
- chain.BlockHeight = block.Height
- res := s.db.Model(chain).Where("block_hash = ?", block.PreviousBlockHash.String()).Updates(chain)
- if err := res.Error; err != nil {
+ log.WithFields(log.Fields{"block_height": block.Height, "block_hash": blockHash.String()}).Info("start to attachBlock")
+
+ dbTx := s.db.Begin()
+ if err := s.processBlock(dbTx, block, txStatus); err != nil {
+ dbTx.Rollback()
return err
}
- if res.RowsAffected != 1 {
- return ErrInconsistentDB
+ if err := s.processChainInfo(dbTx, block); err != nil {
+ dbTx.Rollback()
+ return err
}
-
- return nil
+ return dbTx.Commit().Error
}
OSDN Git Service
