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Improve comments in taproot signing logic

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This commit is contained in:
Pieter Wuille
2021-06-17 16:54:56 -07:00
parent 4fc15d1566
commit addb9b5a71
4 changed files with 23 additions and 8 deletions
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9
src/script/standard.h
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@@ -227,8 +227,11 @@ struct TaprootSpendData
/** The Merkle root of the script tree (0 if no scripts). */
uint256 merkle_root;
/** Map from (script, leaf_version) to (sets of) control blocks.
* The control blocks are sorted by size, so that the signing logic can
* easily prefer the cheapest one. */
* More than one control block for a given script is only possible if it
* appears in multiple branches of the tree. We keep them all so that
* inference can reconstruct the full tree. Within each set, the control
* blocks are sorted by size, so that the signing logic can easily
* prefer the cheapest one. */
std::map<std::pair<CScript, int>, std::set<std::vector<unsigned char>, ShortestVectorFirstComparator>> scripts;
/** Merge other TaprootSpendData (for the same scriptPubKey) into this. */
void Merge(TaprootSpendData other);
@@ -252,7 +255,7 @@ private:
/** Merkle hash of this node. */
uint256 hash;
/** Tracked leaves underneath this node (either from the node itself, or its children).
* The merkle_branch field for each is the partners to get to *this* node. */
* The merkle_branch field of each is the partners to get to *this* node. */
std::vector<LeafInfo> leaves;
};
/** Whether the builder is in a valid state so far. */