[#wallet-DescriptorScriptPubKeyMan-TopUpWithDB]
= xref:wallet.adoc[wallet]::xref:wallet/DescriptorScriptPubKeyMan.adoc[DescriptorScriptPubKeyMan]::TopUpWithDB
:relfileprefix: ../../
:mrdocs:

Same as 'TopUp' but designed for use within a batch transaction context

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
TopUpWithDB(
    xref:wallet/WalletBatch.adoc[WalletBatch]& batch,
    unsigned int size = 0);
----

== Return Value

true if the cache was successfully topped up.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *batch*
| The database batch to write new cache entries through.
| *size*
| Number of keys to top up to, or 0 to use the configured keypool size.
|===


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