cfx_feeHistory

block_count*

Represents rpc api epoch number param.*

U64Represents rpc api epoch number param. option 2

newest_block*earliestlatest_checkpointlatest_finalizedlatest_confirmedlatest_statelatest_mined

reward_percentiles

---

reward_percentiles-1*

reward_percentiles-2*

CURL

curl --request POST \
     --url https://main.confluxrpc.com \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "params": ["0x3","latest_state",[10,90]],
  "method": "cfx_feeHistory"
}'

Params

block_count required

Schema

type : string

Pattern : ^0x([1-9a-f][0-9a-f]{0,15}|0)$

newest_block required

Represents rpc api epoch number param.

oneOf

U64

type : string

Pattern : ^0x([1-9a-f][0-9a-f]{0,15}|0)$

string

type : string

Possible values : 

• earliest
• latest_checkpoint
• latest_finalized
• latest_confirmed
• latest_state
• latest_mined

reward_percentiles required

Schema

type : array

• items[x] number

  type : number

Result

Schema

type : object

• baseFeePerGas baseFeePerGas

  type : array

  • items[x] U256

    type : string

    Pattern : ^0x([1-9a-f][0-9a-f]{0,63}|0)$
• gasUsedRatio gasUsedRatio

  type : array

  • items[x] f64

    type : number
• oldestEpoch oldestEpoch

  type : string

  Pattern : ^0x([1-9a-f][0-9a-f]{0,63}|0)$
• reward reward

  type : array

  • items[x] (U256,...)[]

    type : array

    • items[x] U256

      type : string

      Pattern : ^0x([1-9a-f][0-9a-f]{0,63}|0)$

Example

cfx_feeHistory

Request

curl -X POST --data \
'{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "cfx_feeHistory",
    "params": [
        "0x3",
        "latest_state",
        [
            10,
            90
        ]
    ]
}' \
-H "Content-Type: application/json" \
localhost:12539

Response

{
  "baseFeePerGas": [
    "0x3b9aca00",
    "0x3b9aca00",
    "0x3b9aca00",
    "0x3b9aca00"
  ],
  "gasUsedRatio": [
    0,
    0,
    0
  ],
  "oldestEpoch": "0x19ad20",
  "reward": [
    [
      "0x0",
      "0x0"
    ],
    [
      "0x0",
      "0x0"
    ],
    [
      "0x0",
      "0x0"
    ]
  ]
}