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-rw-r--r--src/coins.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/coins.h b/src/coins.h
index 4774c9f6a6..077545a55b 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -145,11 +145,13 @@ private:
class CCoinsView
{
public:
- //! Retrieve the Coin (unspent transaction output) for a given outpoint.
+ /** Retrieve the Coin (unspent transaction output) for a given outpoint.
+ * Returns true only when an unspent coin was found, which is returned in coin.
+ * When false is returned, coin's value is unspecified.
+ */
virtual bool GetCoin(const COutPoint &outpoint, Coin &coin) const;
- //! Just check whether we have data for a given outpoint.
- //! This may (but cannot always) return true for spent outputs.
+ //! Just check whether a given outpoint is unspent.
virtual bool HaveCoin(const COutPoint &outpoint) const;
//! Retrieve the block hash whose state this CCoinsView currently represents