Fix the difficulty in the GeneralStateTest fillers as suggested in

https://github.com/ethereum/tests/pull/180/files/bf07e79b8d49e479e55c0b9560686c7429c8ac5b#diff-4b84d89a34b808ecc2bf1ee3a4534ce9

96 files changed, 96 insertions, 96 deletions

diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_1000000Filler.json
index d96267b0d..4a5b5e295 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_155000Filler.json
index 0034411a7..b0d7e59c1 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_20500Filler.json
index d92ba61da..64de01408 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_22000Filler.json
index d4947ea57..b55a7891e 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_25000Filler.json
index 2a2c3777a..8a28d9f85 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_35000Filler.json
index dc08c09fe..29542b77f 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_0_0_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_0_0_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_1000000Filler.json
index 832889816..96b1eb366 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_155000Filler.json
index 5190167c9..ec068ff5f 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_20500Filler.json
index 4fe82a282..bcaf5d314 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_22000Filler.json
index 809a92a2d..1a9ff2a8d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_25000Filler.json
index 7ec03c16d..46588cf08 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_35000Filler.json
index 436f724e3..e708127d2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_1_0_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_1_0_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_1000000Filler.json
index 7eb163255..7163ec402 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_155000Filler.json
index 863ae2cab..d3e7e3da0 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_20500Filler.json
index ffbfb0bc2..3810543e1 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_22000Filler.json
index 69a260ee2..e11e527a9 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_25000Filler.json
index 15b473e0f..0d82df481 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_35000Filler.json
index 55d0ccd5b..ef909dbd1 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_0_3_100_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_0_3_100_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_1000000Filler.json
index 13f1c5b32..97ba0a421 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_155000Filler.json
index abf7d39e7..db72d1ab2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_20500Filler.json
index 0b79f8683..c4b788712 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_22000Filler.json
index 95719e5a1..22145ac6b 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_25000Filler.json
index 5dd99ecbe..00821c5e2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_35000Filler.json
index fa1aec1a7..e6e7636f1 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_0_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_0_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_1000000Filler.json
index aa324649f..b630b89f2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_155000Filler.json
index 4823ec787..7914505ca 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_20500Filler.json
index a399c3ea8..ba3e2b139 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_22000Filler.json
index f1cc29671..241111e68 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_25000Filler.json
index c21e06c1b..902ad3186 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_35000Filler.json
index ab9977003..f0b3bf131 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_0_1_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_0_1_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_1000000Filler.json
index 99ddbe8ef..0e7485e55 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_155000Filler.json
index 8f15c501e..cbcce3ccc 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_20500Filler.json
index c619d53aa..baf28dc88 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_22000Filler.json
index e345844cf..0bff7796d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_25000Filler.json
index 5e92e3a9e..0bdd1e34f 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_35000Filler.json
index 2ae337f95..29b7c6266 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_1_1_1_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_1_1_1_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_22411_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_22411_22000Filler.json
index 63ac7c355..bfc66b4f8 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_22411_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_22411_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_22411_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_1000000Filler.json
index f90896c99..12cd05314 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_155000Filler.json
index 52ffaccdd..003417a45 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_20500Filler.json
index 7e0a6bba1..990cf850f 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_22000Filler.json
index 8d292c203..caa9518fd 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_25000Filler.json
index 49f817d64..111132005 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_35000Filler.json
index 2e1056a0d..e696bd477 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_0_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_0_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_1000000Filler.json
index c260dcdd5..06e5109ba 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_1_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_155000Filler.json
index 983abec3f..33e9716ca 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_1_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_20500Filler.json
index a6710ac3a..20cb705b3 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_1_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_25000Filler.json
index bd55be068..0a44d2f88 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_1_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_35000Filler.json
index 2b6e8e0ea..6b9b0bcfe 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_1_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_1_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_1000000Filler.json
index 775912d6b..9dbcd1206 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_155000Filler.json
index 98a717043..7b4001a18 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_20500Filler.json
index 80e16af5b..9ec88a361 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_22000Filler.json
index cbcfa5c27..57f7d3e1c 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_25000Filler.json
index 5c3cbdbad..74f3ffb10 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_35000Filler.json
index 013daa96b..63e3bca91 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_37111_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_37111_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_1000000Filler.json
index e6f0cbdcf..628d3633c 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_155000Filler.json
index b076ba6db..98abeda07 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_20500Filler.json
index eea7a99eb..354416399 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_22000Filler.json
index fd0094173..51f4aa213 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_25000Filler.json
index 8c21e9f33..b7c2d4387 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_35000Filler.json
index 66e430f63..b0ce1e9a2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_37120_37111_97_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_37120_37111_97_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_1000000Filler.json
index 78c28205b..5a32169d0 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_155000Filler.json
index 683a61237..abd77dde4 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_20500Filler.json
index d91ebd4d3..5e52f45bb 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_22000Filler.json
index 10160d57c..a60878686 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_25000Filler.json
index bd7f385e0..cc94e8815 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_35000Filler.json
index 3f5de6462..df36c9531 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_39936_1_55201_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_39936_1_55201_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_1000000Filler.json
index c3ec42953..ebc2fbd17 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_09984_39936_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_155000Filler.json
index fdb1a9a7a..f0d8c574d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_09984_39936_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_22000Filler.json
index d7d9c24a3..b94225739 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_09984_39936_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_25000Filler.json
index 8fc1ca3ad..fe0cdf313 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_09984_39936_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_35000Filler.json
index 23d912342..c2f331ef4 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_09984_39936_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_09984_39936_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_28948_11579_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_28948_11579_20500Filler.json
index 88913605c..bb8551a81 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_28948_11579_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_28948_11579_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_28948_11579_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_1000000Filler.json
index a8ccc0903..784c55f86 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_155000Filler.json
index 83e9b9396..e1289424d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_20500Filler.json
index a01d61b25..805b07527 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_22000Filler.json
index 7cbdbd3e4..eadb7fe3c 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_25000Filler.json
index 8eaced4ea..c1c79bab8 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_35000Filler.json
index cef836c38..cbe475eea 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_3_5_100_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_3_5_100_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_1000000Filler.json
index d1e937c63..48169baa3 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_155000Filler.json
index ad6011192..4b75ed65f 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_20500Filler.json
index bfc34ac02..655a97954 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_22000Filler.json
index 8cd1c4762..be743f828 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_25000Filler.json
index 48d1bcaf9..932c7c83c 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_35000Filler.json
index 35afd36d2..2c8131d89 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_49_2401_2401_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_49_2401_2401_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_1000000Filler.json
index 14b426000..dbeca66af 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_155000Filler.json
index d06e250f1..4c5ace698 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_20500Filler.json
index fc9400c0a..03df4c96a 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_22000Filler.json
index 549791c47..ebc1c80d3 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_25000Filler.json
index 09232ef37..4d03b4f9c 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_35000Filler.json
index caa769948..1a97544ed 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_55190_55190_42965_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_55190_55190_42965_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_1000000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_1000000Filler.json
index d3f68221b..7b8791adf 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_1000000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_1000000Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_37111_37111_1000000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_155000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_155000Filler.json
index bd4d0f433..4645d3e3d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_155000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_155000Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_37111_37111_155000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_20500Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_20500Filler.json
index c826eefee..8a5a38fc2 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_20500Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_20500Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_37111_37111_20500": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_22000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_22000Filler.json
index 1134546ec..db8ec3572 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_22000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_22000Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_37111_37111_22000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_35000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_35000Filler.json
index 81ea6ee36..d2f144e3d 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_35000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_37111_37111_35000Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_37111_37111_35000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",
diff --git a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_3711_37111_25000Filler.json b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_3711_37111_25000Filler.json
index 954ac8490..4b3e4b879 100644
--- a/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_3711_37111_25000Filler.json
+++ b/src/GeneralStateTestsFiller/stPreCompiledContracts/modexp_9_3711_37111_25000Filler.json
@@ -2,7 +2,7 @@
     "modexp_9_3711_37111_25000": {
         "env": {
             "currentCoinbase": "0x3535353535353535353535353535353535353535",
-            "currentDifficulty": "0x1",
+            "currentDifficulty": "0x020000",
             "currentGasLimit": "0x5f5e100",
             "currentNumber": "0x1",
             "currentTimestamp": "0x5777765e",