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| -rw-r--r-- | src/coins.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/coins.h b/src/coins.h index 077545a55b..7c1d6da2be 100644 --- a/src/coins.h +++ b/src/coins.h @@ -297,6 +297,9 @@ private: void AddCoins(CCoinsViewCache& cache, const CTransaction& tx, int nHeight); //! Utility function to find any unspent output with a given txid. +// This function can be quite expensive because in the event of a transaction +// which is not found in the cache, it can cause up to MAX_OUTPUTS_PER_BLOCK +// lookups to database, so it should be used with care. const Coin& AccessByTxid(const CCoinsViewCache& cache, const uint256& txid); #endif // BITCOIN_COINS_H |