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refactor: change asset.Definition encoding (#250)
[bytom/vapor.git] / federation / synchron / mainchain_keeper.go
index c53a90d..e3ea7a3 100644 (file)
@@ -1,19 +1,29 @@
 package synchron
 
 import (
+       "bytes"
+       "database/sql"
        "encoding/hex"
+       "fmt"
        "time"
 
-       btmTypes "github.com/bytom/protocol/bc/types"
+       btmConsensus "github.com/bytom/consensus"
+       btmBc "github.com/bytom/protocol/bc"
+       "github.com/bytom/protocol/bc/types"
        "github.com/jinzhu/gorm"
        log "github.com/sirupsen/logrus"
 
+       vaporConsensus "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/database"
        "github.com/vapor/federation/database/orm"
        "github.com/vapor/federation/service"
+       "github.com/vapor/federation/util"
        "github.com/vapor/protocol/bc"
+       "github.com/vapor/wallet"
 )
 
 type mainchainKeeper struct {
@@ -21,16 +31,18 @@ type mainchainKeeper struct {
        db         *gorm.DB
        node       *service.Node
        chainName  string
-       assetCache *database.AssetCache
+       assetStore *database.AssetStore
+       fedProg    []byte
 }
 
-func NewMainchainKeeper(db *gorm.DB, chainCfg *config.Chain) *mainchainKeeper {
+func NewMainchainKeeper(db *gorm.DB, assetStore *database.AssetStore, cfg *config.Config) *mainchainKeeper {
        return &mainchainKeeper{
-               cfg:        chainCfg,
+               cfg:        &cfg.Mainchain,
                db:         db,
-               node:       service.NewNode(chainCfg.Upstream),
-               chainName:  chainCfg.Name,
-               assetCache: database.NewAssetCache(),
+               node:       service.NewNode(cfg.Mainchain.Upstream),
+               chainName:  cfg.Mainchain.Name,
+               assetStore: assetStore,
+               fedProg:    util.ParseFedProg(cfg.Warders, cfg.Quorum),
        }
 }
 
@@ -71,7 +83,7 @@ func (m *mainchainKeeper) syncBlock() (bool, error) {
                return false, err
        }
 
-       nextBlock := &btmTypes.Block{}
+       nextBlock := &types.Block{}
        if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
                return false, errors.New("Unmarshal nextBlock")
        }
@@ -81,7 +93,7 @@ func (m *mainchainKeeper) syncBlock() (bool, error) {
                        "remote PreviousBlockHash": nextBlock.PreviousBlockHash.String(),
                        "db block_hash":            chain.BlockHash,
                }).Fatal("BlockHash mismatch")
-               return false, errors.New("BlockHash mismatch")
+               return false, ErrInconsistentDB
        }
 
        if err := m.tryAttachBlock(chain, nextBlock, txStatus); err != nil {
@@ -91,64 +103,225 @@ func (m *mainchainKeeper) syncBlock() (bool, error) {
        return true, nil
 }
 
-func (m *mainchainKeeper) tryAttachBlock(chain *orm.Chain, block *btmTypes.Block, txStatus *bc.TransactionStatus) error {
+func (m *mainchainKeeper) 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")
-       m.db.Begin()
-       if err := m.processBlock(block); err != nil {
-               m.db.Rollback()
+       dbTx := m.db.Begin()
+       if err := m.processBlock(chain, block, txStatus); err != nil {
+               dbTx.Rollback()
                return err
        }
 
-       return m.db.Commit().Error
+       return dbTx.Commit().Error
 }
 
-func (m *mainchainKeeper) processBlock(block *btmTypes.Block) error {
+func (m *mainchainKeeper) processBlock(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus) error {
        if err := m.processIssuing(block.Transactions); err != nil {
                return err
        }
 
+       for i, tx := range block.Transactions {
+               if m.isDepositTx(tx) {
+                       if err := m.processDepositTx(chain, block, txStatus, uint64(i), tx); err != nil {
+                               return err
+                       }
+               }
+
+               if m.isWithdrawalTx(tx) {
+                       if err := m.processWithdrawalTx(chain, block, uint64(i), tx); err != nil {
+                               return err
+                       }
+               }
+       }
+
+       return m.processChainInfo(chain, block)
+}
+
+func (m *mainchainKeeper) isDepositTx(tx *types.Tx) bool {
+       for _, input := range tx.Inputs {
+               if bytes.Equal(input.ControlProgram(), m.fedProg) {
+                       return false
+               }
+       }
+
+       for _, output := range tx.Outputs {
+               if bytes.Equal(output.OutputCommitment.ControlProgram, m.fedProg) {
+                       return true
+               }
+       }
+
+       return false
+}
+
+func (m *mainchainKeeper) isWithdrawalTx(tx *types.Tx) bool {
+       for _, input := range tx.Inputs {
+               if bytes.Equal(input.ControlProgram(), m.fedProg) {
+                       return true
+               }
+       }
+       return false
+}
+
+func (m *mainchainKeeper) processDepositTx(chain *orm.Chain, block *types.Block, txStatus *bc.TransactionStatus, txIndex uint64, tx *types.Tx) error {
+       blockHash := block.Hash()
+
+       var muxID btmBc.Hash
+       res0ID := tx.ResultIds[0]
+       switch res := tx.Entries[*res0ID].(type) {
+       case *btmBc.Output:
+               muxID = *res.Source.Ref
+       case *btmBc.Retirement:
+               muxID = *res.Source.Ref
+       default:
+               return ErrOutputType
+       }
+
+       rawTx, err := tx.MarshalText()
+       if err != nil {
+               return err
+       }
+
+       ormTx := &orm.CrossTransaction{
+               ChainID:              chain.ID,
+               SourceBlockHeight:    block.Height,
+               SourceBlockTimestamp: block.Timestamp,
+               SourceBlockHash:      blockHash.String(),
+               SourceTxIndex:        txIndex,
+               SourceMuxID:          muxID.String(),
+               SourceTxHash:         tx.ID.String(),
+               SourceRawTransaction: string(rawTx),
+               DestBlockHeight:      sql.NullInt64{Valid: false},
+               DestBlockTimestamp:   sql.NullInt64{Valid: false},
+               DestBlockHash:        sql.NullString{Valid: false},
+               DestTxIndex:          sql.NullInt64{Valid: false},
+               DestTxHash:           sql.NullString{Valid: false},
+               Status:               common.CrossTxPendingStatus,
+       }
+       if err := m.db.Create(ormTx).Error; err != nil {
+               return errors.Wrap(err, fmt.Sprintf("create mainchain DepositTx %s", tx.ID.String()))
+       }
+
+       statusFail := txStatus.VerifyStatus[txIndex].StatusFail
+       crossChainInputs, err := m.getCrossChainReqs(ormTx.ID, tx, statusFail)
+       if err != nil {
+               return err
+       }
+
+       for _, input := range crossChainInputs {
+               if err := m.db.Create(input).Error; err != nil {
+                       return errors.Wrap(err, fmt.Sprintf("create DepositFromMainchain input: txid(%s), pos(%d)", tx.ID.String(), input.SourcePos))
+               }
+       }
+
        return nil
 }
 
-func (m *mainchainKeeper) processIssuing(txs []*btmTypes.Tx) error {
-       for _, tx := range txs {
-               for _, input := range tx.Inputs {
-                       switch inp := input.TypedInput.(type) {
-                       case *btmTypes.IssuanceInput:
-                               assetID := inp.AssetID()
-                               if _, err := m.getAsset(assetID.String()); err == nil {
-                                       continue
-                               }
+func (m *mainchainKeeper) getCrossChainReqs(crossTransactionID uint64, tx *types.Tx, statusFail bool) ([]*orm.CrossTransactionReq, error) {
+       var fromAddress, toAddress string
+       // assume inputs are from an identical owner
+       prog := tx.Inputs[0].ControlProgram()
+       script := hex.EncodeToString(prog)
+       switch {
+       case segwit.IsP2WPKHScript(prog):
+               if pubHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
+                       fromAddress = wallet.BuildP2PKHAddress(pubHash, &vaporConsensus.MainNetParams)
+                       toAddress = wallet.BuildP2PKHAddress(pubHash, &vaporConsensus.VaporNetParams)
+               }
+       case segwit.IsP2WSHScript(prog):
+               if scriptHash, err := segwit.GetHashFromStandardProg(prog); err == nil {
+                       fromAddress = wallet.BuildP2SHAddress(scriptHash, &vaporConsensus.MainNetParams)
+                       toAddress = wallet.BuildP2SHAddress(scriptHash, &vaporConsensus.VaporNetParams)
+               }
+       }
 
-                               asset := &orm.Asset{
-                                       AssetID:           assetID.String(),
-                                       IssuanceProgram:   hex.EncodeToString(inp.IssuanceProgram),
-                                       VMVersion:         inp.VMVersion,
-                                       RawDefinitionByte: hex.EncodeToString(inp.AssetDefinition),
-                               }
-                               if err := m.db.Create(asset).Error; err != nil {
-                                       return err
-                               }
+       reqs := []*orm.CrossTransactionReq{}
+       for i, rawOutput := range tx.Outputs {
+               // check valid deposit
+               if !bytes.Equal(rawOutput.OutputCommitment.ControlProgram, m.fedProg) {
+                       continue
+               }
 
-                               m.assetCache.Add(asset.AssetID, asset)
-                       }
+               if statusFail && *rawOutput.OutputCommitment.AssetAmount.AssetId != *btmConsensus.BTMAssetID {
+                       continue
+               }
+
+               asset, err := m.assetStore.GetByAssetID(rawOutput.OutputCommitment.AssetAmount.AssetId.String())
+               if err != nil {
+                       return nil, err
                }
+
+               req := &orm.CrossTransactionReq{
+                       CrossTransactionID: crossTransactionID,
+                       SourcePos:          uint64(i),
+                       AssetID:            asset.ID,
+                       AssetAmount:        rawOutput.OutputCommitment.AssetAmount.Amount,
+                       Script:             script,
+                       FromAddress:        fromAddress,
+                       ToAddress:          toAddress,
+               }
+               reqs = append(reqs, req)
        }
+       return reqs, nil
+}
 
+func (m *mainchainKeeper) processWithdrawalTx(chain *orm.Chain, block *types.Block, txIndex uint64, tx *types.Tx) error {
+       blockHash := block.Hash()
+       stmt := m.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{
+               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},
+               Status:             common.CrossTxCompletedStatus,
+       })
+       if stmt.Error != nil {
+               return stmt.Error
+       }
+
+       if stmt.RowsAffected != 1 {
+               log.Warnf("mainchainKeeper.processWithdrawalTx(%v): rows affected != 1", tx.ID.String())
+       }
        return nil
 }
 
-func (m *mainchainKeeper) getAsset(assetID string) (*orm.Asset, error) {
-       if asset := m.assetCache.Get(assetID); asset != nil {
-               return asset, nil
+func (m *mainchainKeeper) processChainInfo(chain *orm.Chain, block *types.Block) error {
+       blockHash := block.Hash()
+       chain.BlockHash = blockHash.String()
+       chain.BlockHeight = block.Height
+       res := m.db.Model(chain).Where("block_hash = ?", block.PreviousBlockHash.String()).Updates(chain)
+       if err := res.Error; err != nil {
+               return err
        }
 
-       asset := &orm.Asset{AssetID: assetID}
-       if err := m.db.Where(asset).First(asset).Error; err != nil {
-               return nil, errors.Wrap(err, "asset not found in memory and mysql")
+       if res.RowsAffected != 1 {
+               return ErrInconsistentDB
        }
 
-       m.assetCache.Add(assetID, asset)
-       return asset, nil
+       return nil
+}
+
+func (m *mainchainKeeper) processIssuing(txs []*types.Tx) error {
+       for _, tx := range txs {
+               for _, input := range tx.Inputs {
+                       switch inp := input.TypedInput.(type) {
+                       case *types.IssuanceInput:
+                               assetID := inp.AssetID()
+                               if _, err := m.assetStore.GetByAssetID(assetID.String()); err == nil {
+                                       continue
+                               }
+
+                               m.assetStore.Add(&orm.Asset{
+                                       AssetID:         assetID.String(),
+                                       IssuanceProgram: hex.EncodeToString(inp.IssuanceProgram),
+                                       VMVersion:       inp.VMVersion,
+                                       Definition:      string(inp.AssetDefinition),
+                               })
+                       }
+               }
+       }
+
+       return nil
 }