import (
"encoding/json"
+ "sync"
+
log "github.com/sirupsen/logrus"
"github.com/tendermint/tmlibs/db"
"github.com/bytom/protocol/bc/types"
)
-//SINGLE single sign
-const SINGLE = 1
+const (
+ //SINGLE single sign
+ SINGLE = 1
+)
var walletKey = []byte("walletInfo")
//StatusInfo is base valid block info to handle orphan block rollback
type StatusInfo struct {
- WorkHeight uint64
- WorkHash bc.Hash
- BestHeight uint64
- BestHash bc.Hash
+ WorkHeight uint64
+ WorkHash bc.Hash
+ BestHeight uint64
+ BestHash bc.Hash
}
//Wallet is related to storing account unspent outputs
type Wallet struct {
- DB db.DB
- status StatusInfo
- AccountMgr *account.Manager
- AssetReg *asset.Registry
- Hsm *pseudohsm.HSM
- chain *protocol.Chain
+ DB db.DB
+ rw sync.RWMutex
+ status StatusInfo
+ AccountMgr *account.Manager
+ AssetReg *asset.Registry
+ Hsm *pseudohsm.HSM
+ chain *protocol.Chain
+ rescanCh chan struct{}
}
//NewWallet return a new wallet instance
func NewWallet(walletDB db.DB, account *account.Manager, asset *asset.Registry, hsm *pseudohsm.HSM, chain *protocol.Chain) (*Wallet, error) {
w := &Wallet{
- DB: walletDB,
- AccountMgr: account,
- AssetReg: asset,
- chain: chain,
- Hsm: hsm,
+ DB: walletDB,
+ AccountMgr: account,
+ AssetReg: asset,
+ chain: chain,
+ Hsm: hsm,
+ rescanCh: make(chan struct{}, 1),
}
if err := w.loadWalletInfo(); err != nil {
}
go w.walletUpdater()
-
+ go w.delUnconfirmedTx()
return w, nil
}
// AttachBlock attach a new block
func (w *Wallet) AttachBlock(block *types.Block) error {
+ w.rw.Lock()
+ defer w.rw.Unlock()
+
if block.PreviousBlockHash != w.status.WorkHash {
log.Warn("wallet skip attachBlock due to status hash not equal to previous hash")
return nil
storeBatch := w.DB.NewBatch()
w.indexTransactions(storeBatch, block, txStatus)
- w.buildAccountUTXOs(storeBatch, block, txStatus)
+ w.attachUtxos(storeBatch, block, txStatus)
w.status.WorkHeight = block.Height
w.status.WorkHash = block.Hash()
// DetachBlock detach a block and rollback state
func (w *Wallet) DetachBlock(block *types.Block) error {
+ w.rw.Lock()
+ defer w.rw.Unlock()
+
blockHash := block.Hash()
txStatus, err := w.chain.GetTransactionStatus(&blockHash)
if err != nil {
}
storeBatch := w.DB.NewBatch()
- w.reverseAccountUTXOs(storeBatch, block, txStatus)
+ w.detachUtxos(storeBatch, block, txStatus)
w.deleteTransactions(storeBatch, w.status.BestHeight)
w.status.BestHeight = block.Height - 1
//WalletUpdate process every valid block and reverse every invalid block which need to rollback
func (w *Wallet) walletUpdater() {
for {
+ w.getRescanNotification()
for !w.chain.InMainChain(w.status.BestHash) {
block, err := w.chain.GetBlockByHash(&w.status.BestHash)
if err != nil {
}
if err := w.DetachBlock(block); err != nil {
- log.WithField("err", err).Error("walletUpdater detachBlock")
+ log.WithField("err", err).Error("walletUpdater detachBlock stop")
return
}
}
block, _ := w.chain.GetBlockByHeight(w.status.WorkHeight + 1)
if block == nil {
- <-w.chain.BlockWaiter(w.status.WorkHeight + 1)
+ w.walletBlockWaiter()
continue
}
if err := w.AttachBlock(block); err != nil {
- log.WithField("err", err).Error("walletUpdater stop")
+ log.WithField("err", err).Error("walletUpdater AttachBlock stop")
return
}
}
}
+//RescanBlocks provide a trigger to rescan blocks
+func (w *Wallet) RescanBlocks() {
+ select {
+ case w.rescanCh <- struct{}{}:
+ default:
+ return
+ }
+}
-func (w *Wallet) createProgram(account *account.Account, XPub *pseudohsm.XPub, index uint64) error {
- for i := uint64(0); i < index; i++ {
- if _, err := w.AccountMgr.CreateAddress(nil, account.ID, false); err != nil {
- return err
- }
+func (w *Wallet) getRescanNotification() {
+ select {
+ case <-w.rescanCh:
+ w.setRescanStatus()
+ default:
+ return
}
- return nil
+}
+
+func (w *Wallet) setRescanStatus() {
+ block, _ := w.chain.GetBlockByHeight(0)
+ w.status.WorkHash = bc.Hash{}
+ w.AttachBlock(block)
+}
+
+func (w *Wallet) walletBlockWaiter() {
+ select {
+ case <-w.chain.BlockWaiter(w.status.WorkHeight + 1):
+ case <-w.rescanCh:
+ w.setRescanStatus()
+ }
+}
+
+// GetWalletStatusInfo return current wallet StatusInfo
+func (w *Wallet) GetWalletStatusInfo() StatusInfo {
+ w.rw.RLock()
+ defer w.rw.RUnlock()
+
+ return w.status
}