appropriate response when trying to get a block in pruned mode

Author: jonasschnelli

src/rest.cpp

@@ -174,6 +174,9 @@ static bool rest_block(AcceptedConnection* conn,
             throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
 
         pblockindex = mapBlockIndex[hash];
+        if (fHavePruned && !(pblockindex->nStatus & BLOCK_HAVE_DATA) && pblockindex->nTx > 0)
+            throw RESTERR(HTTP_NOT_FOUND, hashStr + " not available (pruned data)");
+
         if (!ReadBlockFromDisk(block, pblockindex))
             throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
     }

src/rpcblockchain.cpp

@@ -299,6 +299,9 @@ Value getblock(const Array& params, bool fHelp)
     CBlock block;
     CBlockIndex* pblockindex = mapBlockIndex[hash];
 
+    if (fHavePruned && !(pblockindex->nStatus & BLOCK_HAVE_DATA) && pblockindex->nTx > 0)
+        throw JSONRPCError(RPC_INTERNAL_ERROR, "Block not available (pruned data)");
+
     if(!ReadBlockFromDisk(block, pblockindex))
         throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");