checkpoints: store mapCheckpoints in CCheckpointData rather than a pointer

src/chainparams.cpp

@@ -43,7 +43,7 @@ static Checkpoints::MapCheckpoints mapCheckpoints =
         (295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"))
         ;
 static const Checkpoints::CCheckpointData data = {
-        &mapCheckpoints,
+        mapCheckpoints,
         1397080064, // * UNIX timestamp of last checkpoint block
         36544669,   // * total number of transactions between genesis and last checkpoint
                     //   (the tx=... number in the SetBestChain debug.log lines)
@@ -55,7 +55,7 @@ static Checkpoints::MapCheckpoints mapCheckpointsTestnet =
         ( 546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"))
         ;
 static const Checkpoints::CCheckpointData dataTestnet = {
-        &mapCheckpointsTestnet,
+        mapCheckpointsTestnet,
         1337966069,
         1488,
         300
@@ -66,7 +66,7 @@ static Checkpoints::MapCheckpoints mapCheckpointsRegtest =
         ( 0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"))
         ;
 static const Checkpoints::CCheckpointData dataRegtest = {
-        &mapCheckpointsRegtest,
+        mapCheckpointsRegtest,
         0,
         0,
         0

src/checkpoints.cpp

@@ -30,7 +30,7 @@ namespace Checkpoints {
         if (!fEnabled)
             return true;
 
-        const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
+        const MapCheckpoints& checkpoints = Params().Checkpoints().mapCheckpoints;
 
         MapCheckpoints::const_iterator i = checkpoints.find(nHeight);
         if (i == checkpoints.end()) return true;
@@ -74,7 +74,7 @@ namespace Checkpoints {
         if (!fEnabled)
             return 0;
 
-        const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
+        const MapCheckpoints& checkpoints = Params().Checkpoints().mapCheckpoints;
 
         return checkpoints.rbegin()->first;
     }
@@ -84,7 +84,7 @@ namespace Checkpoints {
         if (!fEnabled)
             return NULL;
 
-        const MapCheckpoints& checkpoints = *Params().Checkpoints().mapCheckpoints;
+        const MapCheckpoints& checkpoints = Params().Checkpoints().mapCheckpoints;
 
         BOOST_REVERSE_FOREACH(const MapCheckpoints::value_type& i, checkpoints)
         {

src/checkpoints.h

@@ -20,7 +20,7 @@ namespace Checkpoints
 typedef std::map<int, uint256> MapCheckpoints;
 
 struct CCheckpointData {
-    const MapCheckpoints *mapCheckpoints;
+    MapCheckpoints mapCheckpoints;
     int64_t nTimeLastCheckpoint;
     int64_t nTransactionsLastCheckpoint;
     double fTransactionsPerDay;