diff options
| -rw-r--r-- | src/coins.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/coins.h b/src/coins.h index 4a0eaadc82..89613a61b4 100644 --- a/src/coins.h +++ b/src/coins.h @@ -222,8 +222,13 @@ public: /** * Return a reference to Coin in the cache, or a pruned one if not found. This is - * more efficient than GetCoin. Modifications to other cache entries are - * allowed while accessing the returned pointer. + * more efficient than GetCoin. + * + * Generally, do not hold the reference returned for more than a short scope. + * While the current implementation allows for modifications to the contents + * of the cache while holding the reference, this behavior should not be relied + * on! To be safe, best to not hold the returned reference through any other + * calls to this cache. */ const Coin& AccessCoin(const COutPoint &output) const; |