[#wallet-CWallet-SetSpentKeyState]
= xref:wallet.adoc[wallet]::xref:wallet/CWallet.adoc[CWallet]::SetSpentKeyState
:relfileprefix: ../../
:mrdocs:

Record whether the key behind a transaction output has been spent.

== Synopsis

Declared in `<wallet/wallet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e1e598178), requires_capability(0x7f2e11aa8f38), requires_capability(0x7f2e169fed28), requires_capability(0x7f2e15f2e1c8), requires_capability(0x7f2e12c6ce58)]]
void
SetSpentKeyState(
    xref:wallet/WalletBatch.adoc[WalletBatch]& batch,
    xref:Txid.adoc[Txid] const& hash,
    unsigned int n,
    bool used,
    std::set<CTxDestination>& tx_destinations);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *batch*
| The database batch to write through.
| *hash*
| The txid of the output.
| *n*
| The output index within the transaction.
| *used*
| Whether the key is marked as used/spent.
| *tx_destinations*
| Set to the destinations affected by the update.
|===


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