cfx_feeHistory
Params
(3)1. block_count (required)
string
Match pattern:
^0x([1-9a-f][0-9a-f]{0,15}|0)$
2. newest_block (required)
U64
(one of)
string
Match pattern:
^0x([1-9a-f][0-9a-f]{0,15}|0)$
3. reward_percentiles (required)
array[number]
Result
(cfx_feeHistory_result)baseFeePerGas
array[string]gasUsedRatio
array[number]oldestEpoch
stringMatch pattern:
^0x([1-9a-f][0-9a-f]{0,63}|0)$
reward
array[array]string
Match pattern:
^0x([1-9a-f][0-9a-f]{0,63}|0)$
Example
Request
curl -X POST --data \
'{
    "method": "cfx_feeHistory",
    "params": [
        "0x3",
        "latest_state",
        [
            10,
            90
        ]
    ],
    "jsonrpc": "2.0",
    "id": 1
}' \
-H "Content-Type: application/json" \
localhost:12539
Result
{
  "baseFeePerGas": [
    "0x3b9aca00",
    "0x3b9aca00",
    "0x3b9aca00",
    "0x3b9aca00"
  ],
  "gasUsedRatio": [
    0,
    0,
    0
  ],
  "oldestEpoch": "0x19ad20",
  "reward": [
    [
      "0x0",
      "0x0"
    ],
    [
      "0x0",
      "0x0"
    ],
    [
      "0x0",
      "0x0"
    ]
  ]
}