diff --git a/stPreCompiledContractsFiller.json b/stPreCompiledContractsFiller.json
new file mode 100644
index 000000000..8975f1aea
--- /dev/null
+++ b/stPreCompiledContractsFiller.json
@@ -0,0 +1,717 @@
+{
+    "CallEcrecover0": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) (CALL 1000 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover0_gas500": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) (CALL 500 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover0_Gas499": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) (CALL 499 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover0_0input": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (CALL 1000 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover1": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 1) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) (CALL 1000 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 33 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 65 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) (CALL 1000 1 0 0 97 97 32) [[ 0 ]] (MOD (MLOAD 97) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallEcrecover3": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x2f380a2dea7e778d81affc2443403b8fe4644db442ae4862ff5bb3732829cdb9) (MSTORE 32 27) (MSTORE 64 0x6b65ccb0558806e9b097f27a396d08f964e37b8b7af6ceeb516ff86739fbea0a) (MSTORE 96 0x37cbc8d883e129a4b1ef9d5f1df53c4f21a3ef147cf2a50a4ede0eb06ce092d4) (CALL 1000 1 0 0 128 128 32) [[ 0 ]] (MOD (MLOAD 128) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_0": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "0x600160005260206000602060006000600260fff1600051600055",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_1": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (CALL 500 2 0 0 0 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 5 0xf34578907f) (CALL 500 2 0 0 37 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_3": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xf34578907f) (CALL 500 2 0 0 37 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_4": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 100 2 0 0 32 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_4_gas99": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 99 2 0 0 32 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallSha256_5": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 500 2 0 0 1000000 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_0": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "0x600160005260206000602060006000600360fff1600051600055",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_1": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (CALL 500 3 0 0 0 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 5 0xf34578907f) (CALL 500 3 0 0 37 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_3": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xf34578907f) (CALL 500 3 0 0 37 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_4": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 100 3 0 0 32 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_4_gas99": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 99 3 0 0 32 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRipemd160_5": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (CALL 500 3 0 0 1000000 0 32) [[ 0 ]] (MLOAD 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 bc4319169..d090aec9c 100644
--- a/state.cpp
+++ b/state.cpp
@@ -43,7 +43,6 @@ namespace dev {  namespace test {
 
 void doStateTests(json_spirit::mValue& v, bool _fillin)
 {
-	cout << "start state test\n";
 	for (auto& i: v.get_obj())
 	{
 		cnote << i.first;
@@ -124,6 +123,11 @@ BOOST_AUTO_TEST_CASE(stSystemOperationsTest)
 	dev::test::executeTests("stSystemOperationsTest", "/StateTests", dev::test::doStateTests);
 }
 
+BOOST_AUTO_TEST_CASE(stPreCompiledContracts)
+{
+	dev::test::executeTests("stPreCompiledContracts", "/StateTests", dev::test::doStateTests);
+}
+
 BOOST_AUTO_TEST_CASE(tmp)
 {
 	int currentVerbosity = g_logVerbosity;
diff --git a/tmpFiller.json b/tmpFiller.json
index 336a60c25..74220e0d7 100644
--- a/tmpFiller.json
+++ b/tmpFiller.json
@@ -1,42 +1,35 @@
-{
-    "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" : {
-                }
-            },
+{    
+    "CallRecursiveBomb2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{  [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0)  }",
+                 "storage": {}
+             },
             "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
                 "code" : "",
                 "storage": {}
             }
-
         },
         "transaction" : {
             "nonce" : "0",
             "gasPrice" : "1",
-            "gasLimit" : "10000",
+            "gasLimit" : "365224",
             "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
             "value" : "100000",
             "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
             "data" : ""
         }
+     }
 }