highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-12-14 22:58:13 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add descriptor expansion cache

Browse Source
This commit is contained in:
Pieter Wuille
2018-11-02 19:19:39 -07:00
parent 1eda33aabc
commit 82df4c64ff
3 changed files with 75 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/script/descriptor.h
View File

@@ -48,8 +48,18 @@ struct Descriptor {
* provider: the provider to query for private keys in case of hardened derivation.
* output_script: the expanded scriptPubKeys will be put here.
* out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider).
* cache: vector which will be overwritten with cache data necessary to-evaluate the descriptor at this point without access to private keys.
*/
virtual bool Expand(int pos, const SigningProvider& provider, std::vector<CScript>& output_scripts, FlatSigningProvider& out) const = 0;
virtual bool Expand(int pos, const SigningProvider& provider, std::vector<CScript>& output_scripts, FlatSigningProvider& out, std::vector<unsigned char>* cache = nullptr) const = 0;
/** Expand a descriptor at a specified position using cached expansion data.
*
* pos: the position at which to expand the descriptor. If IsRange() is false, this is ignored.
* cache: vector from which cached expansion data will be read.
* output_script: the expanded scriptPubKeys will be put here.
* out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider).
*/
virtual bool ExpandFromCache(int pos, const std::vector<unsigned char>& cache, std::vector<CScript>& output_scripts, FlatSigningProvider& out) const = 0;
};
/** Parse a descriptor string. Included private keys are put in out. Returns nullptr if parsing fails. */