/
dropwtx.go
70 lines (62 loc) · 1.65 KB
/
dropwtx.go
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package dropwtx
import (
"path"
"time"
"github.com/breez/breez/config"
"github.com/btcsuite/btcwallet/waddrmgr"
"github.com/btcsuite/btcwallet/walletdb"
_ "github.com/btcsuite/btcwallet/walletdb/bdb"
"github.com/btcsuite/btcwallet/wtxmgr"
)
var (
waddrmgrNamespace = []byte("waddrmgr")
wtxmgrNamespace = []byte("wtxmgr")
)
func Drop(workingDir string) error {
cfg, err := config.GetConfig(workingDir)
if err != nil {
return err
}
db, err := walletdb.Open("bdb", path.Join(workingDir, "data/chain/bitcoin/", cfg.Network, "wallet.db"), false, time.Second*60)
if err != nil {
return err
}
defer db.Close()
err = walletdb.Update(db, func(tx walletdb.ReadWriteTx) error {
err := tx.DeleteTopLevelBucket(wtxmgrNamespace)
if err != nil && err != walletdb.ErrBucketNotFound {
return err
}
ns, err := tx.CreateTopLevelBucket(wtxmgrNamespace)
if err != nil {
return err
}
err = wtxmgr.Create(ns)
if err != nil {
return err
}
ns = tx.ReadWriteBucket(waddrmgrNamespace)
birthdayBlock, err := waddrmgr.FetchBirthdayBlock(ns)
if err != nil {
startBlock, err := waddrmgr.FetchStartBlock(ns)
if err != nil {
return err
}
return waddrmgr.PutSyncedTo(ns, startBlock)
}
// We'll need to remove our birthday block first because it
// serves as a barrier when updating our state to detect reorgs
// due to the wallet not storing all block hashes of the chain.
if err := waddrmgr.DeleteBirthdayBlock(ns); err != nil {
return err
}
if err := waddrmgr.PutSyncedTo(ns, &birthdayBlock); err != nil {
return err
}
return waddrmgr.PutBirthdayBlock(ns, birthdayBlock)
})
if err != nil {
return err
}
return nil
}