Merge #9490: Replace FindLatestBefore used by importmuti with FindEarliestAtLeast.

4b06e41 Add unit test for FindEarliestAtLeast (Suhas Daftuar)
997a98a Replace FindLatestBefore used by importmuti with FindEarliestAtLeast. (Gregory Maxwell)

1 files changed, 11 insertions, 2 deletions

diff --git a/src/chain.h b/src/chain.h
index 989a71958c..acb29b667b 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -202,6 +202,9 @@ public:
     //! (memory only) Sequential id assigned to distinguish order in which blocks are received.
     int32_t nSequenceId;
 
+    //! (memory only) Maximum nTime in the chain upto and including this block.
+    unsigned int nTimeMax;
+
     void SetNull()
     {
         phashBlock = NULL;
@@ -216,6 +219,7 @@ public:
         nChainTx = 0;
         nStatus = 0;
         nSequenceId = 0;
+        nTimeMax = 0;
 
         nVersion       = 0;
         hashMerkleRoot = uint256();
@@ -281,6 +285,11 @@ public:
         return (int64_t)nTime;
     }
 
+    int64_t GetBlockTimeMax() const
+    {
+        return (int64_t)nTimeMax;
+    }
+
     enum { nMedianTimeSpan=11 };
 
     int64_t GetMedianTimePast() const
@@ -461,8 +470,8 @@ public:
     /** Find the last common block between this chain and a block index entry. */
     const CBlockIndex *FindFork(const CBlockIndex *pindex) const;
 
-    /** Find the most recent block with timestamp lower than the given. */
-    CBlockIndex* FindLatestBefore(int64_t nTime) const;
+    /** Find the earliest block with timestamp equal or greater than the given. */
+    CBlockIndex* FindEarliestAtLeast(int64_t nTime) const;
 };
 
 #endif // BITCOIN_CHAIN_H