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

Generates a new single‐signature DescriptorScriptPubKeyMan from a master key.

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
std::unique_ptr<DescriptorScriptPubKeyMan>
GenerateNewSingleSig(
    xref:wallet/WalletStorage.adoc[WalletStorage]& storage,
    xref:wallet/WalletBatch.adoc[WalletBatch]& batch,
    int64_t keypool_size,
    xref:CExtKey.adoc[CExtKey] const& master_key,
    xref:OutputType.adoc[OutputType] addr_type,
    bool internal);
----

== Return Value

The new DescriptorScriptPubKeyMan.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *storage*
| The wallet storage this spkm is bound to.
| *batch*
| The database batch to write the new spkm through.
| *keypool_size*
| The number of keys/scripts to keep pre‐generated.
| *master_key*
| The master key to derive the descriptor from.
| *addr_type*
| The output type of the addresses to generate.
| *internal*
| Whether the descriptor is for the internal (change) chain.
|===


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