From 6e80effa947d9581e5ef8c4e02a45725f5af4346 Mon Sep 17 00:00:00 2001
From: Dimitry <dimitry@ethereum.org>
Date: Fri, 13 Oct 2017 15:34:21 +0300
Subject: modexp input test Consensus big in Parity: gas calculation of modexp
 is subject to overflow for certain inputs. Found via manual review. A case
 was found where consensus issue could be achieved in ~500K gas.

---
 .../modexpRandomInputFiller.json                   | 24 +++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'src/GeneralStateTestsFiller')

diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts2/modexpRandomInputFiller.json b/src/GeneralStateTestsFiller/stPreCompiledContracts2/modexpRandomInputFiller.json
index d520f3635..bc6f3057a 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts2/modexpRandomInputFiller.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts2/modexpRandomInputFiller.json
@@ -25,7 +25,7 @@
                     }
                 }
             },
-	    {
+	         {
                 "indexes" : {
                     "data" : 1,
                     "gas" : 0,
@@ -34,7 +34,20 @@
                 "network" : ["Byzantium"],
                 "result" : {
                     "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
-                        "balance" : "999999999999999890000"
+                        "balance" : "999999999999999290000"
+                    }
+                }
+            },
+	         {
+                "indexes" : {
+                    "data" : 2,
+                    "gas" : 1,
+                    "value" : -1
+                },
+                "network" : ["Byzantium"],
+                "result" : {
+                    "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                        "balance" : "999999999999993000000"
                     }
                 }
             }
@@ -51,15 +64,16 @@
         "transaction": {
             "data": [
 "0x00000000000000000000000000000000000000000000000000000000000000e300000000000000000000000000000000000000000000000000",
-"0x00000000008000000000000000000000000000000000000000000000000000000000000400000000000000000000000a"
+"0x00000000008000000000000000000000000000000000000000000000000000000000000400000000000000000000000a",
+"0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001147000000000000000000000000000000000000000000000000000000000061660350000000000000000000000000000000000000000000000000000000000000008"
             ],
             "gasLimit": [
-                "110000", "200000"
+                "710000", "7000000"
             ],
             "gasPrice": "1",
             "nonce": "0",
             "secretKey": "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
-	    "to": "0x0000000000000000000000000000000000000005",
+	         "to": "0x0000000000000000000000000000000000000005",
             "value": [
                 "0x"
             ]
-- 
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