[
    {
        "stateMutability": "nonpayable",
        "type": "function",
        "name": "send_blockhash",
        "inputs": [
            {
                "name": "_block_number",
                "type": "uint256"
            },
            {
                "name": "_chain_id",
                "type": "uint256"
            }
        ],
        "outputs": [],
        "gas": "54147"
    },
    {
        "stateMutability": "view",
        "type": "function",
        "name": "block_number_bounds",
        "inputs": [],
        "outputs": [
            {
                "name": "",
                "type": "uint256[2]"
            }
        ],
        "gas": "740"
    },
    {
        "stateMutability": "view",
        "type": "function",
        "name": "generate_eth_get_proof_params",
        "inputs": [
            {
                "name": "_user",
                "type": "address"
            }
        ],
        "outputs": [
            {
                "name": "",
                "type": "address"
            },
            {
                "name": "",
                "type": "uint256[20]"
            },
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "gas": "21089"
    },
    {
        "stateMutability": "view",
        "type": "function",
        "name": "get_last_block_number_sent",
        "inputs": [
            {
                "name": "_chain_id",
                "type": "uint256"
            }
        ],
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "gas": "2747"
    }
]