diff --git a/libtestutils/StateLoader.cpp b/libtestutils/StateLoader.cpp
index 07eb2cef5..9eff30b29 100644
--- a/libtestutils/StateLoader.cpp
+++ b/libtestutils/StateLoader.cpp
@@ -54,5 +54,4 @@ StateLoader::StateLoader(Json::Value const& _json, std::string const& _dbPath):
 	}
 
 	m_state.commit();
-	m_state.db().commit();
 }
diff --git a/test/libethereum/BlockTestsFiller/bcGasPricerTestFiller.json b/test/libethereum/BlockTestsFiller/bcGasPricerTestFiller.json
new file mode 100644
index 000000000..2b0efc844
--- /dev/null
+++ b/test/libethereum/BlockTestsFiller/bcGasPricerTestFiller.json
@@ -0,0 +1,251 @@
+{
+    "highGasUsage" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "131072",
+            "extraData" : "0x42",
+            "gasLimit" : "3141592",
+            "gasUsed" : "0",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf99eb1626cfa6db435c0836235942d7ccaa935f1ae247d3f1c21e495685f903a",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "expect" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000"
+            }
+        },
+        "pre" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "nonce" : "0",
+                "code" : "",
+                "storage": {}
+            },
+            "aaaf5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "nonce" : "0",
+                "code" : "0x60003551",
+                "storage": {}
+            }
+        },
+        "blocks" : [
+            {
+                "transactions" : [
+                    {
+                        "data" : "0xffffffffffffffffffffffff",
+                        "gasLimit" : "85000",
+                        "gasPrice" : "0",
+                        "nonce" : "0",
+                        "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+                        "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+                        "value" : "10"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                    {
+                        "data" : "0xffffffffffff",
+                        "gasLimit" : "85000",
+                        "gasPrice" : "0",
+                        "nonce" : "0",
+                        "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+                        "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+                        "value" : "10"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ]
+    },
+
+    "notxs" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "131072",
+            "extraData" : "0x42",
+            "gasLimit" : "3141592",
+            "gasUsed" : "0",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf99eb1626cfa6db435c0836235942d7ccaa935f1ae247d3f1c21e495685f903a",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "expect" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000"
+            }
+        },
+        "pre" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "nonce" : "0",
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "blocks" : [
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            },
+            {
+                "transactions" : [
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ]
+    }
+}
diff --git a/test/bcRPC_API_TestFiller.json b/test/libethereum/BlockTestsFiller/bcRPC_API_TestFiller.json
similarity index 100%
rename from test/bcRPC_API_TestFiller.json
rename to test/libethereum/BlockTestsFiller/bcRPC_API_TestFiller.json
diff --git a/test/libethereum/blockchain.cpp b/test/libethereum/blockchain.cpp
index 28d838469..1e567b32f 100644
--- a/test/libethereum/blockchain.cpp
+++ b/test/libethereum/blockchain.cpp
@@ -54,8 +54,8 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 		ImportTest importer(o["pre"].get_obj());
 		TransientDirectory td_stateDB;
 		TransientDirectory td_stateDB_tmp;
-		State state(OverlayDB(State::openDB(td_stateDB.path())), BaseState::Empty, biGenesisBlock.coinbaseAddress);
-		State stateTemp(OverlayDB(State::openDB(td_stateDB_tmp.path())), BaseState::Empty, biGenesisBlock.coinbaseAddress);
+		State state(State::openDB(td_stateDB.path()), BaseState::Empty, biGenesisBlock.coinbaseAddress);
+		State stateTemp(State::openDB(td_stateDB_tmp.path()), BaseState::Empty, biGenesisBlock.coinbaseAddress);
 		importer.importState(o["pre"].get_obj(), state);
 		o["pre"] = fillJsonWithState(state);
 		state.commit();
@@ -691,6 +691,11 @@ BOOST_AUTO_TEST_CASE(bcUncleHeaderValiditiy)
 	dev::test::executeTests("bcUncleHeaderValiditiy", "/BlockTests",dev::test::getFolder(__FILE__) + "/BlockTestsFiller", dev::test::doBlockchainTests);
 }
 
+BOOST_AUTO_TEST_CASE(bcGasPricerTest)
+{
+	dev::test::executeTests("bcGasPricerTest", "/BlockTests",dev::test::getFolder(__FILE__) + "/BlockTestsFiller", dev::test::doBlockchainTests);
+}
+
 BOOST_AUTO_TEST_CASE(userDefinedFile)
 {
 	dev::test::userDefinedTest("--singletest", dev::test::doBlockchainTests);