diff --git a/BlockTests/blInvalidHeaderTest.json b/BlockTests/blInvalidHeaderTest.json
new file mode 100644
index 0000000000..b24c9bab9d
--- /dev/null
+++ b/BlockTests/blInvalidHeaderTest.json
@@ -0,0 +1,523 @@
+{
+    "DifferentExtraData" : {
+        "blockHeader" : {
+            "bloom" : "00000000000000001000000000000000000000000000000000000000000020000000000042000000040000000000080000000000000000000000000000000000",
+            "coinbase" : "0000000000000000000000000000000000000000",
+            "difficulty" : "9991",
+            "extraData" : "42",
+            "gasLimit" : "125000",
+            "gasUsed" : "603",
+            "nonce" : "c2556997ad4b244a7c709128b3485bf54ece1a82191dec50b1f4220ac1e24f9b",
+            "number" : "1",
+            "parentHash" : "f1d8d2974fc5392207a360865ff9578f1c91d544feb4a59510f32b4d7c62c79e",
+            "receiptTrie" : "70b51d9eb8b72e14bd0152a2ce1fd97855a1d5edbb583ec76e8ea9b45d65fda5",
+            "stateRoot" : "48138aeddc959dc1fca7fdc228271177c7bd67186aa618bdc3cad17d50608661",
+            "timestamp" : "1424083064",
+            "transactionsTrie" : "0afcdd9127ffe2e1a727b57dde38c5ec90db114f2eba50c42d6fc83ae6a5dc11",
+            "uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "4c6b53b246e3ad2684af990639765a513fbdb12841af29de74520ae87863c09d",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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",
+        "transactions" : [
+            {
+                "data" : "",
+                "gasLimit" : "5000",
+                "gasPrice" : "10",
+                "nonce" : "0",
+                "r" : "0xf2ba09e58784e4cf61b716b4a85c311f8f045a923a1b55bb36861c482e461c2f",
+                "s" : "0x999e5b7626076a7cf87e36d5d6f6ca134ba2b3741b87dd548f77b186202471f1",
+                "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+                "v" : "28",
+                "value" : "5000000000"
+            }
+        ],
+        "uncleHeaders" : [
+        ]
+    },
+    "log1_wrongBlockNumber" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "f6b48e0ef57cbae7f6526075cb5435540dcdcf916211719e81f87f5de130af1a",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "log1_wrongBloom" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "0568f0590dfdbed1c0de30b3e45bbb15939b3deee281d25d7ce31882bbc668af",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongCoinbase" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "8ae8106ba74d5514db3454923761dbbe22c48814832375e581412e72f605eb2f",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongDifficulty" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "38f58acaa68c72088c1170be9d3bcba49ebe5b0aef533da0445c0961b16382c0",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongGasLimit" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "399a365ea3e96db1a001b2a23a05023d6c4cadec70f2636e362918ea4e85054d",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongGasUsed" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "f5cf109b15a08b5ca0d156a2b8f85bdfe3b849302b7e7f8da1ba7ab70706b37c",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongNumber" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "f9d9b63d116e07424288b48b8ca2ed6548a61bb3fb24203fda1b4d063ff5d855",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongParentHash" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "6865bfb8b7f4022340fcb1687cea03463edbcad33047062f4448f15a9200503b",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongReceiptTrie" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "5de0c4dbfee63881e579656d4474325ac6ee840a438c0d461eb0dace1f7a1837",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongStateRoot" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "c412436edd4f31f3c1db74bfbcddc3845373f5bca084f2f32acf9e6a117b66d8",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongTimestamp" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "b799266af1e1e18a49106cbe335ea70dc8d2ae88fdd6bbd353a9db4fa97b3904",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongTransactionsTrie" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "b24adf49a12a8c3199c8ea07e951c0fececf5b890297d5702dbc06001314a42b",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    },
+    "wrongUncleHash" : {
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "0e768b124306c366d41042740f49b4e8dcb776bcd6aa2a82a9dfc4af338a9482",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "b62ae5e6f9473520003af46b346563240245c89d0d0e52fb542c7ffce8831eeb",
+            "timestamp" : "0x54c98c81",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "100",
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "rlp" : "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"
+    }
+}
\ No newline at end of file
diff --git a/BlockTests/blValidBlockTest.json b/BlockTests/blValidBlockTest.json
new file mode 100644
index 0000000000..ceb44cd4fb
--- /dev/null
+++ b/BlockTests/blValidBlockTest.json
@@ -0,0 +1,481 @@
+{
+    "SimpleTx" : {
+        "blockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0000000000000000000000000000000000000000",
+            "difficulty" : "9991",
+            "extraData" : "",
+            "gasLimit" : "125000",
+            "gasUsed" : "500",
+            "nonce" : "aaa529603fc7133a2aa36a8ae5e66e866b616addd42a7d689a0e40bd67d3911b",
+            "number" : "1",
+            "parentHash" : "777b65aa05b6adc20733cb8b84604da45cb227291a8e3eeae054e70f71c23da9",
+            "receiptTrie" : "bb866bc40bcf83ac9f994fde3f14b7b7e1cca02c22d069671202cf9f8526dc7f",
+            "stateRoot" : "4fec5d9b1a753965b14b54c36ecbf9fe0e3dbe6fa9add500a1a48bea3cfe3e1c",
+            "timestamp" : "1424083036",
+            "transactionsTrie" : "3aac09e4e796c24838ce43f0e14a320593ab5a4819db05eabe873679f5c41137",
+            "uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisBlockHeader" : {
+            "bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x8888f1f195afa192cfee860698584c030f4c9db1",
+            "difficulty" : "10000",
+            "extraData" : "42",
+            "gasLimit" : "100000",
+            "gasUsed" : "0",
+            "nonce" : "f6baa269c237bb0ebbbbc6a72b60d38b65b6dd4ae0921f508345ef0ebcac935c",
+            "number" : "0",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "5a4dfc958aba3034471698fe05df217e24637181edabff9259bbc826f0424ac4",
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\ No newline at end of file