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wallet: handle corner cases for reorg

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This commit is contained in:
Roy Lee 2022-09-12 23:38:13 -07:00
parent b7013bf5e1
commit 79bcb8365c
1 changed files with 17 additions and 0 deletions
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17
wallet/wallet.go
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@ -430,6 +430,23 @@ func (w *Wallet) syncWithChain(birthdayStamp *waddrmgr.BlockStamp) error {
// before catching up with the rescan. // before catching up with the rescan.
rollback := false rollback := false
rollbackStamp := w.Manager.SyncedTo() rollbackStamp := w.Manager.SyncedTo()
// Handle corner cases where the chain has reorged to a lower height
// than the wallet had synced to. This could happen if the chain has
// reorged to a shorter chain with difficulty greater than the current.
// Most of the time, it's only temporary since the chain will grow
// past the previous height anyway. In regtest, however, it burdens
// the testing setup without this check.
bestBlockHash, bestBlockHeight, err := chainClient.GetBestBlock()
if err != nil {
return err
}
if rollbackStamp.Height > bestBlockHeight {
rollbackStamp.Hash = *bestBlockHash
rollbackStamp.Height = bestBlockHeight
rollback = true
}
err = walletdb.Update(w.db, func(tx walletdb.ReadWriteTx) error { err = walletdb.Update(w.db, func(tx walletdb.ReadWriteTx) error {
addrmgrNs := tx.ReadWriteBucket(waddrmgrNamespaceKey) addrmgrNs := tx.ReadWriteBucket(waddrmgrNamespaceKey)
txmgrNs := tx.ReadWriteBucket(wtxmgrNamespaceKey) txmgrNs := tx.ReadWriteBucket(wtxmgrNamespaceKey)