10 btmConsensus "github.com/bytom/consensus"
11 btmBc "github.com/bytom/protocol/bc"
12 "github.com/bytom/protocol/bc/types"
13 "github.com/bytom/protocol/vm"
14 "github.com/jinzhu/gorm"
15 log "github.com/sirupsen/logrus"
17 "github.com/vapor/consensus"
18 "github.com/vapor/errors"
19 "github.com/vapor/protocol/bc"
20 "github.com/vapor/toolbar/federation/common"
21 "github.com/vapor/toolbar/federation/config"
22 "github.com/vapor/toolbar/federation/database"
23 "github.com/vapor/toolbar/federation/database/orm"
24 "github.com/vapor/toolbar/federation/service"
27 type mainchainKeeper struct {
31 assetStore *database.AssetStore
34 vaporNetParams consensus.Params
37 func NewMainchainKeeper(db *gorm.DB, assetStore *database.AssetStore, cfg *config.Config) *mainchainKeeper {
38 chain := &orm.Chain{Name: common.BytomChainName}
39 if err := db.Where(chain).First(chain).Error; err != nil {
40 log.WithField("err", err).Fatal("fail on get chain info")
43 return &mainchainKeeper{
46 node: service.NewNode(cfg.Mainchain.Upstream),
47 assetStore: assetStore,
48 federationProg: cfg.FederationProg,
50 vaporNetParams: consensus.NetParams[cfg.Network],
54 func (m *mainchainKeeper) Run() {
55 ticker := time.NewTicker(time.Duration(m.cfg.SyncSeconds) * time.Second)
56 for ; true; <-ticker.C {
58 isUpdate, err := m.syncBlock()
60 log.WithField("error", err).Errorln("blockKeeper fail on process block")
71 func (m *mainchainKeeper) createCrossChainReqs(db *gorm.DB, crossTransactionID uint64, tx *types.Tx, statusFail bool) error {
72 prog := tx.Inputs[0].ControlProgram()
73 fromAddress := common.ProgToAddress(prog, consensus.BytomMainNetParams(&m.vaporNetParams))
74 toAddress := common.ProgToAddress(prog, &m.vaporNetParams)
75 for i, rawOutput := range tx.Outputs {
76 if !bytes.Equal(rawOutput.OutputCommitment.ControlProgram, m.federationProg) {
80 if statusFail && *rawOutput.OutputCommitment.AssetAmount.AssetId != *btmConsensus.BTMAssetID {
84 asset, err := m.assetStore.GetByAssetID(rawOutput.OutputCommitment.AssetAmount.AssetId.String())
89 req := &orm.CrossTransactionReq{
90 CrossTransactionID: crossTransactionID,
93 AssetAmount: rawOutput.OutputCommitment.AssetAmount.Amount,
94 Script: hex.EncodeToString(prog),
95 FromAddress: fromAddress,
99 if err := db.Create(req).Error; err != nil {
106 func (m *mainchainKeeper) isDepositTx(tx *types.Tx) bool {
107 for _, input := range tx.Inputs {
108 if bytes.Equal(input.ControlProgram(), m.federationProg) {
113 for _, output := range tx.Outputs {
114 if bytes.Equal(output.OutputCommitment.ControlProgram, m.federationProg) {
121 func (m *mainchainKeeper) isWithdrawalTx(tx *types.Tx) bool {
122 for _, input := range tx.Inputs {
123 if !bytes.Equal(input.ControlProgram(), m.federationProg) {
128 sourceTxHash := locateSideChainTx(tx.Outputs[len(tx.Outputs)-1])
129 return sourceTxHash != ""
132 func locateSideChainTx(output *types.TxOutput) string {
133 insts, err := vm.ParseProgram(output.OutputCommitment.ControlProgram)
142 if insts[0].Op != vm.OP_FAIL {
146 sourceTxHash := string(insts[1].Data)
147 if _, err = hex.DecodeString(sourceTxHash); err == nil && len(sourceTxHash) == 64 {
153 func (m *mainchainKeeper) processBlock(db *gorm.DB, block *types.Block, txStatus *bc.TransactionStatus) error {
154 for i, tx := range block.Transactions {
155 if err := m.processIssuance(tx); err != nil {
159 if m.isDepositTx(tx) {
160 if err := m.processDepositTx(db, block, txStatus, i); err != nil {
165 if m.isWithdrawalTx(tx) {
166 if err := m.processWithdrawalTx(db, block, i); err != nil {
175 func (m *mainchainKeeper) processChainInfo(db *gorm.DB, block *types.Block) error {
176 blockHash := block.Hash()
177 res := db.Model(&orm.Chain{}).Where("block_hash = ?", block.PreviousBlockHash.String()).Updates(&orm.Chain{
178 BlockHash: blockHash.String(),
179 BlockHeight: block.Height,
181 if err := res.Error; err != nil {
185 if res.RowsAffected != 1 {
186 return ErrInconsistentDB
191 func (m *mainchainKeeper) processDepositTx(db *gorm.DB, block *types.Block, txStatus *bc.TransactionStatus, txIndex int) error {
192 tx := block.Transactions[txIndex]
194 switch res := tx.Entries[*tx.ResultIds[0]].(type) {
196 muxID = *res.Source.Ref
197 case *btmBc.Retirement:
198 muxID = *res.Source.Ref
203 rawTx, err := tx.MarshalText()
208 blockHash := block.Hash()
209 ormTx := &orm.CrossTransaction{
211 SourceBlockHeight: block.Height,
212 SourceBlockTimestamp: block.Timestamp,
213 SourceBlockHash: blockHash.String(),
214 SourceTxIndex: uint64(txIndex),
215 SourceMuxID: muxID.String(),
216 SourceTxHash: tx.ID.String(),
217 SourceRawTransaction: string(rawTx),
218 DestBlockHeight: sql.NullInt64{Valid: false},
219 DestBlockTimestamp: sql.NullInt64{Valid: false},
220 DestBlockHash: sql.NullString{Valid: false},
221 DestTxIndex: sql.NullInt64{Valid: false},
222 DestTxHash: sql.NullString{Valid: false},
223 Status: common.CrossTxPendingStatus,
225 if err := db.Create(ormTx).Error; err != nil {
226 return errors.Wrap(err, fmt.Sprintf("create mainchain DepositTx %s", tx.ID.String()))
229 return m.createCrossChainReqs(db, ormTx.ID, tx, txStatus.VerifyStatus[txIndex].StatusFail)
232 func (m *mainchainKeeper) processIssuance(tx *types.Tx) error {
233 for _, input := range tx.Inputs {
234 if input.InputType() != types.IssuanceInputType {
238 issuance := input.TypedInput.(*types.IssuanceInput)
239 assetID := issuance.AssetID()
240 if _, err := m.assetStore.GetByAssetID(assetID.String()); err == nil {
245 AssetID: assetID.String(),
246 IssuanceProgram: hex.EncodeToString(issuance.IssuanceProgram),
247 VMVersion: issuance.VMVersion,
248 Definition: string(issuance.AssetDefinition),
251 if err := m.db.Create(asset).Error; err != nil {
258 func (m *mainchainKeeper) processWithdrawalTx(db *gorm.DB, block *types.Block, txIndex int) error {
259 blockHash := block.Hash()
260 tx := block.Transactions[txIndex]
262 crossTx := &orm.CrossTransaction{
263 SourceTxHash: locateSideChainTx(tx.Outputs[len(tx.Outputs)-1]),
264 Status: common.CrossTxPendingStatus,
266 stmt := db.Model(&orm.CrossTransaction{}).Where(crossTx).UpdateColumn(&orm.CrossTransaction{
267 DestBlockHeight: sql.NullInt64{int64(block.Height), true},
268 DestBlockTimestamp: sql.NullInt64{int64(block.Timestamp), true},
269 DestBlockHash: sql.NullString{blockHash.String(), true},
270 DestTxIndex: sql.NullInt64{int64(txIndex), true},
271 DestTxHash: sql.NullString{tx.ID.String(), true},
272 Status: common.CrossTxCompletedStatus,
274 if stmt.Error != nil {
278 if stmt.RowsAffected != 1 {
279 log.WithFields(log.Fields{"sourceTxHash": crossTx.SourceTxHash, "destTxHash": tx.ID.String()}).Error("fail to update withdrawal transaction")
284 func (m *mainchainKeeper) syncBlock() (bool, error) {
285 chain := &orm.Chain{ID: m.chainID}
286 if err := m.db.First(chain).Error; err != nil {
287 return false, errors.Wrap(err, "query chain")
290 height, err := m.node.GetBlockCount()
295 if height <= chain.BlockHeight+m.cfg.Confirmations {
299 nextBlockStr, txStatus, err := m.node.GetBlockByHeight(chain.BlockHeight + 1)
304 nextBlock := &types.Block{}
305 if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
306 return false, errors.New("Unmarshal nextBlock")
309 if nextBlock.PreviousBlockHash.String() != chain.BlockHash {
310 log.WithFields(log.Fields{
311 "remote previous_block_Hash": nextBlock.PreviousBlockHash.String(),
312 "db block_hash": chain.BlockHash,
313 }).Fatal("fail on block hash mismatch")
316 if err := m.tryAttachBlock(nextBlock, txStatus); err != nil {
323 func (m *mainchainKeeper) tryAttachBlock(block *types.Block, txStatus *bc.TransactionStatus) error {
324 blockHash := block.Hash()
325 log.WithFields(log.Fields{"block_height": block.Height, "block_hash": blockHash.String()}).Info("start to attachBlock")
328 if err := m.processBlock(dbTx, block, txStatus); err != nil {
333 if err := m.processChainInfo(dbTx, block); err != nil {
338 return dbTx.Commit().Error