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wallet: only log block batch if non-empty

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This fixes an issue reputed by a user that would cause btcwallet to
panic if the full node was stopped while btcwallet was still restoring
the wallet.
This commit is contained in:
Olaoluwa Osuntokun 2019-02-27 18:38:17 -03:00
parent b51c1adeee
commit b9da1fbd8d
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GPG key ID: CE58F7F8E20FD9A2
1 changed files with 4 additions and 2 deletions
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6
wallet/wallet.go
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@ -732,8 +732,10 @@ func (w *Wallet) recovery(startHeight int32) error {
return err
}
log.Infof("Recovered addresses from blocks %d-%d", blockBatch[0].Height,
blockBatch[len(blockBatch)-1].Height)
if len(blockBatch) > 0 {
log.Infof("Recovered addresses from blocks %d-%d", blockBatch[0].Height,
blockBatch[len(blockBatch)-1].Height)
}
return nil
}