diff --git a/TestHelper.cpp b/TestHelper.cpp
index 68fdd748d..c2fe2c890 100644
--- a/TestHelper.cpp
+++ b/TestHelper.cpp
@@ -27,7 +27,7 @@
 #include <libethereum/Client.h>
 #include <liblll/Compiler.h>
 
-//#define FILL_TESTS
+#define FILL_TESTS
 
 using namespace std;
 using namespace dev::eth;
diff --git a/stSystemOperationsTestFiller.json b/stSystemOperationsTestFiller.json
new file mode 100644
index 000000000..09898939b
--- /dev/null
+++ b/stSystemOperationsTestFiller.json
@@ -0,0 +1,1266 @@
+{
+    "createNameRegistrator": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 28) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "createNameRegistratorValueTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 230 4 28) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "createNameRegistratorOutOfMemoryBonds0": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 0xfffffffffff 28) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "createNameRegistratorOutOfMemoryBonds1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 0xfffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToNameRegistrator0": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 1000000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 64 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToReturn1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 0 2) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x6001600153603760005360026000f2",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "PostToReturn1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) (POST 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 ) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x603760005360026000f2",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "callstatelessToReturn1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALLSTATELESS 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 0 2 ) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x6001600155603760005360026000f2",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "callcodeToReturn1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALLCODE 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 0 2 ) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x6001600153603760005360026000f2",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "CallToNameRegistratorOutOfGas": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xeeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 100 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 64 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToNameRegistratorTooMuchMemory0": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xeeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 987654321 64 64 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToNameRegistratorTooMuchMemory1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xeeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 9865432 64 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToNameRegistratorTooMuchMemory2": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xeeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 987654 1) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
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+        },
+        "transaction" : {
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+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "CallToNameRegistratorNotMuchMemory0": {
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+            "currentNumber" : "0",
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+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
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+                "storage": {}
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+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
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+                "nonce" : "0",
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+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+            "gasPrice" : "1",
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+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "CallToNameRegistratorNotMuchMemory1": {
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+                "code" : "{ (MSTORE 0 0xeeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 500 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 987654 0 64 0) }",
+                "storage": {}
+            },
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+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
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+    "CallRecursiveBomb0": {
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+             "currentNumber" : "0",
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+                 "nonce" : 0,
+                 "code" : "{  (CALL 100000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 0 0 0)  }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
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+                 "nonce" : 0,
+                 "code" : "{ [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0) } ",
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+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRecursiveBomb1": {
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+             "currentNumber" : "0",
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+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRecursiveBomb2": {
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+                 "code" : "{  [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0)  }",
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+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+            "data" : ""
+        }
+     },
+
+    "CallRecursiveBomb3": {
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+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
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+                 "code" : "{  [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0)  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "suicide0": {
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+                "nonce" : 0,
+                "code" : "{ (SUICIDE (CALLER))}",
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+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "suicideNotExistingAccount": {
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+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (SUICIDE 0xaa1722f3947def4cf144679da39c4c32bdc35681 )}",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
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+        },
+        "transaction" : {
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+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "suicideSendEtherToMe": {
+        "env" : {
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+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
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+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
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+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (SUICIDE (ADDRESS) )}",
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+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+                "code" : "",
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+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
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+
+    "return0": {
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+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
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+        "pre" : {
+           "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "23",
+                "code" : "{ (MSTORE8 0 55) (RETURN 0 1)}",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
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+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
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+    },
+
+    "return1": {
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+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
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+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
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+        "pre" : {
+           "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "23",
+                "code" : "{ (MSTORE8 0 55) (RETURN 0 2)}",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
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+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "return2": {
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+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+           "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "23",
+                "code" : "{ (MSTORE8 0 55) (RETURN 0 33)}",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+   "callcodeToNameRegistrator0": {
+        "env" : {
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+            "currentNumber" : "0",
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+            "currentDifficulty" : "256",
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+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
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+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALLCODE 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 64 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "0x60003554156009570060203560003555",
+                "nonce" : "0",
+                "storage" : {
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+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
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+        },
+        "transaction" : {
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+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "TestNameRegistrator": {
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+            "currentNumber" : "0",
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+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
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+                "code" : "0x600035560f600a59005d60203560003557",
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+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
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+        },
+        "transaction" : {
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+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffafffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"
+        }
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+
+    "ABAcalls0": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{  [[ (PC) ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 24 0 0 0 0) }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : " { [[ (PC) ]] (ADD 1 (CALL 500 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 23 0 0 0 0)) } ",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "ABAcalls1": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "1000000000000000000",
+                 "nonce" : 0,
+                 "code" : "{  [[ (PC) ]] (CALL (- (GAS) 1000) 0x945304eb96065b2a98b57a48a06ae28d285a71b5 24 0 0 0 0) }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                 "balance" : "23",
+                 "code" : " { [[ (PC) ]] (ADD 1 (CALL (- (GAS) 1000) 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 23 0 0 0 0)) } ",
+                 "nonce" : "0",
+                 "storage" : {
+                 }
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "ABAcalls2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "1000000000000000000",
+                 "nonce" : 0,
+                 "code" : "{  [[ 0 ]] (ADD (SLOAD 0) 1) (CALL (- (GAS) 1000) 0x945304eb96065b2a98b57a48a06ae28d285a71b5 1 0 0 0 0) }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                 "balance" : "0",
+                 "code" : " { [[ 0 ]] (ADD (SLOAD 0) 1) (CALL (- (GAS) 1000) 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 0 0 0 0 0) } ",
+                 "nonce" : "0",
+                 "storage" : {
+                 }
+            },
+           "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+               "balance" : "1000000000000000000",
+               "nonce" : 0,
+               "code" : "",
+               "storage": {}
+           }
+       },
+       "transaction" : {
+           "nonce" : "0",
+           "gasPrice" : "1",
+           "gasLimit" : "10000000",
+           "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+           "value" : "100000",
+           "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+           "data" : ""
+       }
+     },
+
+    "ABAcalls3": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "1025000",
+                 "nonce" : 0,
+                 "code" : "{  [[ 0 ]] (ADD (SLOAD 0) 1) (CALL (- (GAS) 1000) 0x945304eb96065b2a98b57a48a06ae28d285a71b5 1 0 0 0 0) }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                 "balance" : "0",
+                 "code" : " { [[ 0 ]] (ADD (SLOAD 0) 1) (CALL (- (GAS) 1000) 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 0 0 0 0 0) } ",
+                 "nonce" : "0",
+                 "storage" : {
+                 }
+            },
+           "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+               "balance" : "1000000000000000000",
+               "nonce" : 0,
+               "code" : "",
+               "storage": {}
+           }
+       },
+       "transaction" : {
+           "nonce" : "0",
+           "gasPrice" : "1",
+           "gasLimit" : "10000000",
+           "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+           "value" : "100000",
+           "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+           "data" : ""
+       }
+     },
+
+    "ABAcallsSuicide0": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{  [[ (PC) ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 24 0 0 0 0) (SUICIDE 0x945304eb96065b2a98b57a48a06ae28d285a71b5)  }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "{ [[ (PC) ]] (ADD 1 (CALL 500 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 23 0 0 0 0)) } ",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+           "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+               "balance" : "1000000000000000000",
+               "nonce" : 0,
+               "code" : "",
+               "storage": {}
+           }
+       },
+       "transaction" : {
+           "nonce" : "0",
+           "gasPrice" : "1",
+           "gasLimit" : "10000000",
+           "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+           "value" : "100000",
+           "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+           "data" : ""
+       }
+    },
+
+    "ABAcallsSuicide1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "10000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{  [[ (PC) ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 24 0 0 0 0)   }",
+                "storage": {}
+            },
+            "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                "balance" : "23",
+                "code" : "{ [[ (PC) ]] (ADD 1 (CALL 500 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 23 0 0 0 0)) (SUICIDE 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6) } ",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+           "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+               "balance" : "1000000000000000000",
+               "nonce" : 0,
+               "code" : "",
+               "storage": {}
+           }
+       },
+       "transaction" : {
+           "nonce" : "0",
+           "gasPrice" : "1",
+           "gasLimit" : "10000000",
+           "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+           "value" : "100000",
+           "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+           "data" : ""
+       }
+    }
+}
diff --git a/state.cpp b/state.cpp
index 3a81821ef..2e313cc47 100644
--- a/state.cpp
+++ b/state.cpp
@@ -121,10 +121,10 @@ BOOST_AUTO_TEST_CASE(stExample)
 	dev::test::executeTests("stExample", "/StateTests", dev::test::doStateTests);
 }
 
-//BOOST_AUTO_TEST_CASE(stSystemOperationsTest)
-//{
-//	dev::test::executeStateTests("stSystemOperationsTest");
-//}
+BOOST_AUTO_TEST_CASE(stSystemOperationsTest)
+{
+	dev::test::executeTests("stSystemOperationsTest", "/StateTests", dev::test::doStateTests);
+}
 
 BOOST_AUTO_TEST_CASE(tmp)
 {
diff --git a/tmpFiller.json b/tmpFiller.json
index bd27b8907..336a60c25 100644
--- a/tmpFiller.json
+++ b/tmpFiller.json
@@ -1,5 +1,5 @@
 {
- "ABAcalls0": {
+    "CallToReturn1": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
             "currentNumber" : "0",
@@ -12,12 +12,12 @@
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
-                "code" : "{  [[ (PC) ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 24 0 0 0 0) }",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (MSTORE 32 0xaaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa ) [[ 0 ]] (CALL 1000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 64 0 2) }",
                 "storage": {}
             },
             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
                 "balance" : "23",
-                "code" : " { [[ (PC) ]] (ADD 1 (CALL 500 0x095e7baea6a6c7c4c2dfeb977efac326af552d87 23 0 0 0 0)) } ",
+                "code" : "0x6001600153603760005360026000f2",
                 "nonce" : "0",
                 "storage" : {
                 }
@@ -30,15 +30,13 @@
             }
 
         },
-	"transaction" : {
-		"nonce" : "0",
-		"gasPrice" : "1",
-		"gasLimit" : "10000",
-		"to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
-		"value" : "100000",
-		"secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
-		"data" : ""		
-	}
-    }
-
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
 }