package synchron
import (
+ "bytes"
+ "database/sql"
"encoding/hex"
+ "fmt"
"time"
- btmTypes "github.com/bytom/protocol/bc/types"
+ "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"
+ vaporCfg "github.com/vapor/config"
"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/protocol/bc"
)
+var fedProg = vaporCfg.FederationProgrom(vaporCfg.CommonConfig)
+
type mainchainKeeper struct {
cfg *config.Chain
db *gorm.DB
return false, err
}
- nextBlock := &btmTypes.Block{}
+ nextBlock := &types.Block{}
if err := nextBlock.UnmarshalText([]byte(nextBlockStr)); err != nil {
return false, errors.New("Unmarshal nextBlock")
}
"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 {
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 {
+ if err := m.processBlock(chain, block, txStatus); err != nil {
m.db.Rollback()
return err
}
return m.db.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 _, output := range tx.Outputs {
+ if bytes.Equal(output.OutputCommitment.ControlProgram, fedProg) {
+ return true
+ }
+ }
+ return false
+}
+
+func (m *mainchainKeeper) isWithdrawalTx(tx *types.Tx) bool {
+ for _, input := range tx.Inputs {
+ if bytes.Equal(input.ControlProgram(), 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,
+ SourceBlockHash: blockHash.String(),
+ SourceTxIndex: txIndex,
+ SourceMuxID: muxID.String(),
+ SourceTxHash: tx.ID.String(),
+ SourceRawTransaction: string(rawTx),
+ DestBlockHeight: 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) getCrossChainReqs(crossTransactionID uint64, tx *types.Tx, statusFail bool) ([]*orm.CrossTransactionReq, error) {
+ // assume inputs are from an identical owner
+ script := hex.EncodeToString(tx.Inputs[0].ControlProgram())
+ inputs := []*orm.CrossTransactionReq{}
+ for i, rawOutput := range tx.Outputs {
+ // check valid deposit
+ if !bytes.Equal(rawOutput.OutputCommitment.ControlProgram, fedProg) {
+ continue
+ }
+
+ if statusFail && *rawOutput.OutputCommitment.AssetAmount.AssetId != *consensus.BTMAssetID {
+ continue
+ }
+
+ asset, err := m.getAsset(rawOutput.OutputCommitment.AssetAmount.AssetId.String())
+ if err != nil {
+ return nil, err
+ }
+
+ input := &orm.CrossTransactionReq{
+ CrossTransactionID: crossTransactionID,
+ SourcePos: uint64(i),
+ AssetID: asset.ID,
+ AssetAmount: rawOutput.OutputCommitment.AssetAmount.Amount,
+ Script: script,
+ }
+ inputs = append(inputs, input)
+ }
+ return inputs, 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.CrossTxSubmittedStatus,
+ }).UpdateColumn(&orm.CrossTransaction{
+ DestBlockHeight: sql.NullInt64{int64(block.Height), 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) 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
+ }
+
+ if res.RowsAffected != 1 {
+ return ErrInconsistentDB
+ }
+
return nil
}
-func (m *mainchainKeeper) processIssuing(txs []*btmTypes.Tx) error {
+func (m *mainchainKeeper) processIssuing(txs []*types.Tx) error {
for _, tx := range txs {
for _, input := range tx.Inputs {
switch inp := input.TypedInput.(type) {
- case *btmTypes.IssuanceInput:
+ case *types.IssuanceInput:
assetID := inp.AssetID()
if _, err := m.getAsset(assetID.String()); err == nil {
continue
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