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Last updated on January 1, 1970

2 min read

Method eth_feeHistory undefined ()
connect with WS protocol

eth_feeHistory

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Returns a list of historical gas information.

Parameters

DATA, 8 Bytes - None

Number of blocks in the requested range.

DATA, 32 Bytes - None

Number of newest block in the requested range.

DATA, 32 Bytes - None

Optional monotonically increasing list of percentile values to sample from each block's effective priority fees per gas in ascending order, weighted by gas used.

Request

wscat -c wss://bsc.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_feeHistory",
"params": [61, "latest", [20, 60, 73]],
"id": "getblock.io"}

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": {
        "baseFeePerGas": [
            "0x0",
            "0x0"
        ],
        "gasUsedRatio": [
            0.06900932857142857
        ],
        "oldestBlock": "0x1b5a241",
        "reward": [
            [
                "0xb2d05e00",
                "0xb2d05e00",
                "0xbebc2000"
            ]
        ]
    }
}
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