[#btck_PrecomputedTransactionData-00]
= btck_PrecomputedTransactionData
:mrdocs:

Opaque data structure for holding precomputed transaction data.

== Synopsis

Declared in `<kernel/bitcoinkernel.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:btck_PrecomputedTransactionData-07.adoc[btck_PrecomputedTransactionData] btck_PrecomputedTransactionData;
----

== Description

Reusable when verifying multiple inputs of the same transaction. This avoids recomputing transaction hashes for each input.

Required when verifying a taproot input.


[.small]#Created with https://www.mrdocs.com[MrDocs]#