diff options
Diffstat (limited to 'src/script/standard.h')
| -rw-r--r-- | src/script/standard.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/script/standard.h b/src/script/standard.h index ac4e2f3276..78492733db 100644 --- a/src/script/standard.h +++ b/src/script/standard.h @@ -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. */ |