get Fee History
open suspend fun getFeeHistory(blockCount: Int, newestBlock: String = "latest", rewardPercentiles: List<Int> = emptyList()): RpcFeeHistory
Get fee history for EIP-1559 fee estimation.
Return
Fee history data
Parameters
block Count
Number of blocks to include (1-1024)
newest Block
Block number as hex or "latest", "pending"
reward Percentiles
Percentiles of priority fees to include (e.g., 25, 50, 75)