10 "github.com/bytom/consensus"
11 btmBc "github.com/bytom/protocol/bc"
12 "github.com/bytom/protocol/bc/types"
13 "github.com/jinzhu/gorm"
14 log "github.com/sirupsen/logrus"
16 "github.com/vapor/errors"
17 "github.com/vapor/federation/common"
18 "github.com/vapor/federation/config"
19 "github.com/vapor/federation/database"
20 "github.com/vapor/federation/database/orm"
21 "github.com/vapor/federation/service"
22 "github.com/vapor/federation/util"
23 "github.com/vapor/protocol/bc"
26 type mainchainKeeper struct {
31 assetStore *database.AssetStore
35 func NewMainchainKeeper(db *gorm.DB, assetStore *database.AssetStore, cfg *config.Config) *mainchainKeeper {
36 return &mainchainKeeper{
39 node: service.NewNode(cfg.Mainchain.Upstream),
40 chainName: cfg.Mainchain.Name,
41 assetStore: assetStore,
42 fedProg: util.SegWitWrap(util.ParseFedProg(cfg.Warders, cfg.Quorum)),
46 func (m *mainchainKeeper) Run() {
47 ticker := time.NewTicker(time.Duration(m.cfg.SyncSeconds) * time.Second)
48 for ; true; <-ticker.C {
50 isUpdate, err := m.syncBlock()
52 log.WithField("error", err).Errorln("blockKeeper fail on process block")
63 func (m *mainchainKeeper) syncBlock() (bool, error) {
64 chain := &orm.Chain{Name: m.chainName}
65 if err := m.db.Where(chain).First(chain).Error; err != nil {
66 return false, errors.Wrap(err, "query chain")
69 height, err := m.node.GetBlockCount()
74 if height <= chain.BlockHeight+m.cfg.Confirmations {
78 nextBlockStr, txStatus, err := m.node.GetBlockByHeight(chain.BlockHeight + 1)
83 nextBlock := &types.Block{}
84 if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
85 return false, errors.New("Unmarshal nextBlock")
88 if nextBlock.PreviousBlockHash.String() != chain.BlockHash {
89 log.WithFields(log.Fields{
90 "remote PreviousBlockHash": nextBlock.PreviousBlockHash.String(),
91 "db block_hash": chain.BlockHash,
92 }).Fatal("BlockHash mismatch")
93 return false, ErrInconsistentDB
96 if err := m.tryAttachBlock(chain, nextBlock, txStatus); err != nil {
103 func (m *mainchainKeeper) tryAttachBlock(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus) error {
104 blockHash := block.Hash()
105 log.WithFields(log.Fields{"block_height": block.Height, "block_hash": blockHash.String()}).Info("start to attachBlock")
107 if err := m.processBlock(chain, block, txStatus); err != nil {
112 return dbTx.Commit().Error
115 func (m *mainchainKeeper) processBlock(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus) error {
116 if err := m.processIssuing(block.Transactions); err != nil {
120 for i, tx := range block.Transactions {
121 if m.isDepositTx(tx) {
122 if err := m.processDepositTx(chain, block, txStatus, uint64(i), tx); err != nil {
127 if m.isWithdrawalTx(tx) {
128 if err := m.processWithdrawalTx(chain, block, uint64(i), tx); err != nil {
134 return m.processChainInfo(chain, block)
137 func (m *mainchainKeeper) isDepositTx(tx *types.Tx) bool {
138 for _, output := range tx.Outputs {
139 if bytes.Equal(output.OutputCommitment.ControlProgram, m.fedProg) {
146 func (m *mainchainKeeper) isWithdrawalTx(tx *types.Tx) bool {
147 for _, input := range tx.Inputs {
148 if bytes.Equal(input.ControlProgram(), m.fedProg) {
155 func (m *mainchainKeeper) processDepositTx(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus, txIndex uint64, tx *types.Tx) error {
156 blockHash := block.Hash()
159 res0ID := tx.ResultIds[0]
160 switch res := tx.Entries[*res0ID].(type) {
162 muxID = *res.Source.Ref
163 case *btmBc.Retirement:
164 muxID = *res.Source.Ref
169 rawTx, err := tx.MarshalText()
174 ormTx := &orm.CrossTransaction{
176 SourceBlockHeight: block.Height,
177 SourceBlockTimestamp: block.Timestamp,
178 SourceBlockHash: blockHash.String(),
179 SourceTxIndex: txIndex,
180 SourceMuxID: muxID.String(),
181 SourceTxHash: tx.ID.String(),
182 SourceRawTransaction: string(rawTx),
183 DestBlockHeight: sql.NullInt64{Valid: false},
184 DestBlockTimestamp: sql.NullInt64{Valid: false},
185 DestBlockHash: sql.NullString{Valid: false},
186 DestTxIndex: sql.NullInt64{Valid: false},
187 DestTxHash: sql.NullString{Valid: false},
188 Status: common.CrossTxPendingStatus,
190 if err := m.db.Create(ormTx).Error; err != nil {
191 return errors.Wrap(err, fmt.Sprintf("create mainchain DepositTx %s", tx.ID.String()))
194 statusFail := txStatus.VerifyStatus[txIndex].StatusFail
195 crossChainInputs, err := m.getCrossChainReqs(ormTx.ID, tx, statusFail)
200 for _, input := range crossChainInputs {
201 if err := m.db.Create(input).Error; err != nil {
202 return errors.Wrap(err, fmt.Sprintf("create DepositFromMainchain input: txid(%s), pos(%d)", tx.ID.String(), input.SourcePos))
209 func (m *mainchainKeeper) getCrossChainReqs(crossTransactionID uint64, tx *types.Tx, statusFail bool) ([]*orm.CrossTransactionReq, error) {
210 // assume inputs are from an identical owner
211 script := hex.EncodeToString(tx.Inputs[0].ControlProgram())
212 reqs := []*orm.CrossTransactionReq{}
213 for i, rawOutput := range tx.Outputs {
214 // check valid deposit
215 if !bytes.Equal(rawOutput.OutputCommitment.ControlProgram, m.fedProg) {
219 if statusFail && *rawOutput.OutputCommitment.AssetAmount.AssetId != *consensus.BTMAssetID {
223 asset, err := m.assetStore.GetByAssetID(rawOutput.OutputCommitment.AssetAmount.AssetId.String())
228 req := &orm.CrossTransactionReq{
229 CrossTransactionID: crossTransactionID,
230 SourcePos: uint64(i),
232 AssetAmount: rawOutput.OutputCommitment.AssetAmount.Amount,
235 reqs = append(reqs, req)
240 func (m *mainchainKeeper) processWithdrawalTx(chain *orm.Chain, block *types.Block, txIndex uint64, tx *types.Tx) error {
241 blockHash := block.Hash()
242 stmt := m.db.Model(&orm.CrossTransaction{}).Where("chain_id != ?", chain.ID).
243 Where(&orm.CrossTransaction{
244 DestTxHash: sql.NullString{tx.ID.String(), true},
245 Status: common.CrossTxPendingStatus,
246 }).UpdateColumn(&orm.CrossTransaction{
247 DestBlockHeight: sql.NullInt64{int64(block.Height), true},
248 DestBlockTimestamp: sql.NullInt64{int64(block.Timestamp), true},
249 DestBlockHash: sql.NullString{blockHash.String(), true},
250 DestTxIndex: sql.NullInt64{int64(txIndex), true},
251 Status: common.CrossTxCompletedStatus,
253 if stmt.Error != nil {
257 if stmt.RowsAffected != 1 {
258 log.Warnf("mainchainKeeper.processWithdrawalTx(%v): rows affected != 1", tx.ID.String())
263 func (m *mainchainKeeper) processChainInfo(chain *orm.Chain, block *types.Block) error {
264 blockHash := block.Hash()
265 chain.BlockHash = blockHash.String()
266 chain.BlockHeight = block.Height
267 res := m.db.Model(chain).Where("block_hash = ?", block.PreviousBlockHash.String()).Updates(chain)
268 if err := res.Error; err != nil {
272 if res.RowsAffected != 1 {
273 return ErrInconsistentDB
279 func (m *mainchainKeeper) processIssuing(txs []*types.Tx) error {
280 for _, tx := range txs {
281 for _, input := range tx.Inputs {
282 switch inp := input.TypedInput.(type) {
283 case *types.IssuanceInput:
284 assetID := inp.AssetID()
285 if _, err := m.assetStore.GetByAssetID(assetID.String()); err == nil {
289 m.assetStore.Add(&orm.Asset{
290 AssetID: assetID.String(),
291 IssuanceProgram: hex.EncodeToString(inp.IssuanceProgram),
292 VMVersion: inp.VMVersion,
293 RawDefinitionByte: hex.EncodeToString(inp.AssetDefinition),