better std::exception logging for block/undo files

Author: Philip Kaufmann

src/main.cpp

@@ -878,11 +878,11 @@ bool GetTransaction(const uint256 &hash, CTransaction &txOut, uint256 &hashBlock
                     fseek(file, postx.nTxOffset, SEEK_CUR);
                     file >> txOut;
                 } catch (std::exception &e) {
-                    return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+                    return error("%s : Deserialize or I/O error - %s", __PRETTY_FUNCTION__, e.what());
                 }
                 hashBlock = header.GetHash();
                 if (txOut.GetHash() != hash)
-                    return error("%s() : txid mismatch", __PRETTY_FUNCTION__);
+                    return error("%s : txid mismatch", __PRETTY_FUNCTION__);
                 return true;
             }
         }
@@ -931,7 +931,7 @@ bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos)
     // Open history file to append
     CAutoFile fileout = CAutoFile(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION);
     if (!fileout)
-        return error("WriteBlockToDisk() : OpenBlockFile failed");
+        return error("WriteBlockToDisk : OpenBlockFile failed");
 
     // Write index header
     unsigned int nSize = fileout.GetSerializeSize(block);
@@ -940,7 +940,7 @@ bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos)
     // Write block
     long fileOutPos = ftell(fileout);
     if (fileOutPos < 0)
-        return error("WriteBlockToDisk() : ftell failed");
+        return error("WriteBlockToDisk : ftell failed");
     pos.nPos = (unsigned int)fileOutPos;
     fileout << block;
 
@@ -959,19 +959,19 @@ bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos)
     // Open history file to read
     CAutoFile filein = CAutoFile(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
     if (!filein)
-        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : OpenBlockFile failed");
+        return error("ReadBlockFromDisk : OpenBlockFile failed");
 
     // Read block
     try {
         filein >> block;
     }
     catch (std::exception &e) {
-        return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+        return error("%s : Deserialize or I/O error - %s", __PRETTY_FUNCTION__, e.what());
     }
 
     // Check the header
     if (!CheckProofOfWork(block.GetHash(), block.nBits))
-        return error("ReadBlockFromDisk(CBlock&, CDiskBlockPos&) : errors in block header");
+        return error("ReadBlockFromDisk : Errors in block header");
 
     return true;
 }
@@ -2852,7 +2852,7 @@ bool LoadExternalBlockFile(FILE* fileIn, CDiskBlockPos *dbp)
                         break;
                 }
             } catch (std::exception &e) {
-                LogPrintf("%s() : Deserialize or I/O error caught during load\n", __PRETTY_FUNCTION__);
+                LogPrintf("%s : Deserialize or I/O error - %s", __PRETTY_FUNCTION__, e.what());
             }
         }
         fclose(fileIn);

src/main.h

@@ -336,7 +336,7 @@ class CBlockUndo
         // Open history file to append
         CAutoFile fileout = CAutoFile(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION);
         if (!fileout)
-            return error("CBlockUndo::WriteToDisk() : OpenUndoFile failed");
+            return error("CBlockUndo::WriteToDisk : OpenUndoFile failed");
 
         // Write index header
         unsigned int nSize = fileout.GetSerializeSize(*this);
@@ -345,7 +345,7 @@ class CBlockUndo
         // Write undo data
         long fileOutPos = ftell(fileout);
         if (fileOutPos < 0)
-            return error("CBlockUndo::WriteToDisk() : ftell failed");
+            return error("CBlockUndo::WriteToDisk : ftell failed");
         pos.nPos = (unsigned int)fileOutPos;
         fileout << *this;
 
@@ -368,7 +368,7 @@ class CBlockUndo
         // Open history file to read
         CAutoFile filein = CAutoFile(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION);
         if (!filein)
-            return error("CBlockUndo::ReadFromDisk() : OpenBlockFile failed");
+            return error("CBlockUndo::ReadFromDisk : OpenBlockFile failed");
 
         // Read block
         uint256 hashChecksum;
@@ -377,15 +377,15 @@ class CBlockUndo
             filein >> hashChecksum;
         }
         catch (std::exception &e) {
-            return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+            return error("%s : Deserialize or I/O error - %s", __PRETTY_FUNCTION__, e.what());
         }
 
         // Verify checksum
         CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION);
         hasher << hashBlock;
         hasher << *this;
         if (hashChecksum != hasher.GetHash())
-            return error("CBlockUndo::ReadFromDisk() : checksum mismatch");
+            return error("CBlockUndo::ReadFromDisk : Checksum mismatch");
 
         return true;
     }