Method NewKeyPool

src/wallet/scriptpubkeyman.cpp:1235–1267

* Mark old keypool keys as used, * and generate all new keys */

 * and generate all new keys
 */
bool LegacyScriptPubKeyMan::NewKeyPool()
{
    if (m_storage.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
        return false;
    }
    {
        LOCK(cs_KeyStore);
        WalletBatch batch(m_storage.GetDatabase());

        for (const int64_t nIndex : setInternalKeyPool) {
            batch.ErasePool(nIndex);
        }
        setInternalKeyPool.clear();

        for (const int64_t nIndex : setExternalKeyPool) {
            batch.ErasePool(nIndex);
        }
        setExternalKeyPool.clear();

        for (const int64_t nIndex : set_pre_split_keypool) {
            batch.ErasePool(nIndex);
        }
        set_pre_split_keypool.clear();

        m_pool_key_to_index.clear();

        if (!TopUp()) {
            return false;
        }
        WalletLogPrintf("LegacyScriptPubKeyMan::NewKeyPool rewrote keypool\n");
    }
    return true;
}

bool LegacyScriptPubKeyMan::TopUp(unsigned int kpSize)
{