[
    {
        "constant": true,
        "inputs": [],
        "name": "getCurrentBlockTimestamp",
        "outputs": [
            {
                "name": "timestamp",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "components": [
                    {
                        "name": "target",
                        "type": "address"
                    },
                    {
                        "name": "callData",
                        "type": "bytes"
                    }
                ],
                "name": "calls",
                "type": "tuple[]"
            }
        ],
        "name": "aggregate",
        "outputs": [
            {
                "name": "blockNumber",
                "type": "uint256"
            },
            {
                "name": "returnData",
                "type": "bytes[]"
            },
            {
                "name": "_success",
                "type": "bool[]"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "getLastBlockHash",
        "outputs": [
            {
                "name": "blockHash",
                "type": "bytes32"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "name": "addr",
                "type": "address"
            }
        ],
        "name": "getNrgBalance",
        "outputs": [
            {
                "name": "balance",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "getCurrentBlockDifficulty",
        "outputs": [
            {
                "name": "difficulty",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "getCurrentBlockGasLimit",
        "outputs": [
            {
                "name": "gaslimit",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "getCurrentBlockCoinbase",
        "outputs": [
            {
                "name": "coinbase",
                "type": "address"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "name": "blockNumber",
                "type": "uint256"
            }
        ],
        "name": "getBlockHash",
        "outputs": [
            {
                "name": "blockHash",
                "type": "bytes32"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    }
]