[#btck-PrecomputedTransactionData-2constructor]
= xref:btck.adoc[btck]::xref:btck/PrecomputedTransactionData.adoc[PrecomputedTransactionData]::PrecomputedTransactionData
:relfileprefix: ../../
:mrdocs:

Precomputes signature‐hash data for verifying a transaction's inputs.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
PrecomputedTransactionData(
    xref:btck/Transaction.adoc[Transaction] const& tx_to,
    std::span<TransactionOutput const> spent_outputs);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx_to*
| The transaction whose inputs will be verified.
| *spent_outputs*
| The outputs spent by `tx_to,` in input order.
|===


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