Steps:
1. Send transaction (A) to a different wallet
2. Using the change, create another transaction (B) to a different wallet
3. `abandontransaction` B
4. `bumpfee` A fails with `Transaction has descendants in the wallet`
UnsetWalletFlagWithDB(batch, flag);
}
void CWalletUnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
{
    LOCK(cs_);
    m__flags &= ~flag;
    if (!batch.WriteWalletFlags(m__flags))
        throw stdruntime_error(stdstring(__func__) + " writing  flags failed");
}
void CWalletUnsetBlankWalletFlag(WalletBatch& batch)
{
    UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
}
bool CWalletIsWalletFlagSet(uint64_t flag) const
{
    return (m__flags & flag);
}
bool CWalletLoadWalletFlags(uint64_t flags)
{
    LOCK(cs_);
    if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
        // c
        return false;
    }
    m__flags = flags;
    return true;
}
void CWalletInitWalletFlags(uint64_t flags)
{
    LOCK(cs_);