[#CPartialMerkleTree-TraverseAndBuild]
= xref:CPartialMerkleTree.adoc[CPartialMerkleTree]::TraverseAndBuild
:relfileprefix: ../
:mrdocs:

recursive function that traverses tree nodes, storing the data as bits and hashes

== Synopsis

Declared in `<merkleblock.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
TraverseAndBuild(
    int height,
    unsigned int pos,
    std::vector<Txid> const& vTxid,
    std::vector<bool> const& vMatch);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *height*
| The tree level of the current node, counted from the leaf level (height 0) upward.
| *pos*
| The position of the current node within its level.
| *vTxid*
| The full list of transaction ids for the block.
| *vMatch*
| The per‐transaction mask selecting which txids are included in the proof.
|===


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