highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-11-10 22:18:54 +01:00
Code Issues Packages Projects Releases Wiki Activity

validation: pruning for multiple chainstates

Browse Source 
Introduces ChainstateManager::GetPruneRange().

The prune budget is split evenly between the number of chainstates,
however the prune budget may be exceeded if the resulting shares are
beneath `MIN_DISK_SPACE_FOR_BLOCK_FILES`.
This commit is contained in:
James O'Beirne
2019-09-16 16:34:45 -04:00
committed by James O'Beirne
parent 373cf91531
commit 1019c39982
5 changed files with 102 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/validation.h
View File

@@ -885,10 +885,6 @@ private:
/** Most recent headers presync progress update, for rate-limiting. */
std::chrono::time_point<std::chrono::steady_clock> m_last_presync_update GUARDED_BY(::cs_main) {};
//! Return the height of the base block of the snapshot in use, if one exists, else
//! nullopt.
std::optional<int> GetSnapshotBaseHeight() const EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
std::array<ThresholdConditionCache, VERSIONBITS_NUM_BITS> m_warningcache GUARDED_BY(::cs_main);
//! Return true if a chainstate is considered usable.
@@ -1241,6 +1237,16 @@ public:
//! fully validated chain.
Chainstate& GetChainstateForIndexing() EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
//! Return the [start, end] (inclusive) of block heights we can prune.
//!
//! start > end is possible, meaning no blocks can be pruned.
std::pair<int, int> GetPruneRange(
const Chainstate& chainstate, int last_height_can_prune) EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
//! Return the height of the base block of the snapshot in use, if one exists, else
//! nullopt.
std::optional<int> GetSnapshotBaseHeight() const EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
~ChainstateManager();
};