{
    "returndatasize_initial" : {
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            "currentDifficulty" : "0x20000",
            "currentGasLimit" : "0x0a00000000",
            "currentNumber" : "0x01",
            "currentTimestamp" : "0x03e8",
            "previousHash" : "0x5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
        },
        "expect" : [
            {   "indexes" : {
                   "data" : -1,
                   "gas" : -1,
                   "value" : -1
                },
                "network" : ["EIP150", "EIP158", "Frontier", "Homestead"],
                "result" : {
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            },
            {   "indexes" : {
                   "data" : -1,
                   "gas" : -1,
                   "value" : -1
                },
                "network" : ["Metropolis"],
                "result" : {
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        "pre" : {
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                "balance" : "0x0de0b6b3a7640000",
                "code" : "{ (SSTORE 0 (RETURNDATASIZE)) }",
                "code" : "0x3d600055",
                "nonce" : "0x00",
                "storage" : {
                    "0x00" : "0x01"
                }
            },
            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
                "balance" : "0x6400000000",
                "code" : "",
                "nonce" : "0x00",
                "storage" : {
                }
            }
        },
        "transaction" : {
            "data" : [
                ""
            ],
            "gasLimit" : [
                "0x0a00000000"
            ],
            "gasPrice" : "0x01",
            "nonce" : "0x00",
            "secretKey" : "0x45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
            "to" : "0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
            "value" : [
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    }
}