Add a few calls to TestCrash to test error handling on Travis

Author: codablock

qa/rpc-tests/importmulti.py

@@ -13,7 +13,7 @@ def __init__(self):
         self.setup_clean_chain = True
 
     def setup_network(self, split=False):
-        self.nodes = start_nodes(2, self.options.tmpdir)
+        self.nodes = start_nodes(2, self.options.tmpdir, extra_args=[["-crash=1"]] * self.num_nodes)
         self.is_network_split=False
 
     def run_test (self):

src/validation.cpp

@@ -37,6 +37,7 @@
 #include "validationinterface.h"
 #include "versionbits.h"
 #include "warnings.h"
+#include "stacktraces.h"
 
 #include "instantx.h"
 #include "masternode-payments.h"
@@ -1189,6 +1190,10 @@ CAmount GetBlockSubsidy(int nPrevBits, int nPrevHeight, const Consensus::Params&
     // Hard fork to reduce the block reward by 10 extra percent (allowing budget/superblocks)
     CAmount nSuperblockPart = (nPrevHeight > consensusParams.nBudgetPaymentsStartBlock) ? nSubsidy/10 : 0;
 
+    if (GetBoolArg("-crash", false)) {
+        TestCrash();
+    }
+
     return fSuperblockPartOnly ? nSuperblockPart : nSubsidy - nSuperblockPart;
 }