450000block付近のデータを調べるようにソースを変更したdiff

monacoin450000.diff

$ git diff
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 73a869a6b..85ae09139 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -152,9 +152,6 @@ public:
                 {  189250, uint256S("0x1bea3d5c25a8097eef2e70ece4beb6c502b895fe00056552948309beb3497c99") },
                 {  300000, uint256S("0x11095515590421444ba29396d9122c234baced79be8b32604acc37cf094558ab") },
                 {  444000, uint256S("0x3ed05516cdce4db93b135189592c7e2b37d768f99a1819a1d2ea3a8e5b8439a8") },
-                {  904000, uint256S("0x353f5b7f9440e1d830bd1c265c69fb0e7c7988e343b2202a704406d04a8cd02e") },
-                { 1377000, uint256S("0x8ee1fd0a836d804422a100fb5c1ca7626c7a35b492c234146797f4a50f38eea8") },
-                { 1639000, uint256S("0x99274770cb96287f9f105f6dd5512795ee87ec68ddd06699f90c0d574a07aa4c") },
             }
         };
 
diff --git a/src/pow.cpp b/src/pow.cpp
index 515db21d8..6e215b702 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -279,6 +279,9 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params&
 
     bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
 
+    LogPrintf("%d\n",bnTarget.ToString());
+    LogPrintf("%d\n",UintToArith256(hash).ToString());
+    LogPrintf("%d\n",UintToArith256(params.powLimit).ToString());
     // Check range
     if (fNegative || bnTarget == 0 || fOverflow || bnTarget > UintToArith256(params.powLimit))
         return false;
diff --git a/src/validation.cpp b/src/validation.cpp
index ece0548bf..ee330a47e 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3265,6 +3265,7 @@ static bool CheckBlockHeader(const CBlockHeader& block, BlockValidationState& st
     }
 
     // Check proof of work matches claimed amount
+    LogPrintf("%d\n",nHeight);
     if (fCheckPOW && !CheckProofOfWork(block.GetPoWHash(nHeight >= Params().SwitchLyra2REv2_DGWblock()), block.nBits, consensusParams))
         return state.Invalid(BlockValidationResult::BLOCK_INVALID_HEADER, "high-hash", "proof of work failed");