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Add (sorted)multi_a descriptor and script derivation

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This commit is contained in:
Pieter Wuille
2022-01-10 13:45:03 -05:00
parent 25e95f9ff8
commit 79728c4a3d
4 changed files with 84 additions and 5 deletions
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4
src/script/standard.h
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@@ -191,6 +191,10 @@ CScript GetScriptForDestination(const CTxDestination& dest);
/** Generate a P2PK script for the given pubkey. */
CScript GetScriptForRawPubKey(const CPubKey& pubkey);
/** Determine if script is a "multi_a" script. Returns (threshold, keyspans) if so, and nullopt otherwise.
* The keyspans refer to bytes in the passed script. */
std::optional<std::pair<int, std::vector<Span<const unsigned char>>>> MatchMultiA(const CScript& script LIFETIMEBOUND);
/** Generate a multisig script. */
CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys);