openethereum/crates/ethcore/res/contracts/block_gas_limit.json

[
	{
		"constant": true,
		"inputs": [],
		"name": "blockGasLimit",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	}
]