Response from the eth_feeHistory method

interface FeeHistoryResponse {
    baseFeePerGas: string[];
    gasUsedRatio: string[];
    oldestBlock: string;
    reward?: string[][];
}

Properties

baseFeePerGas: string[]

An array of block base fee per gas

gasUsedRatio: string[]

An array of block gas used ratio

oldestBlock: string

Lowest number block of the returned range

reward?: string[][]

An array of effective priority fee per gas data points from a single block