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[Gas] eth_maxPriorityFeePerGas

Returns a recommended maxPriorityFeePerGas for a new transaction.

• Before Magma, returns the fixed UnitPrice
• After Magma, returns zero
• After Kaia, returns zero if network is uncongested (i.e. next baseFee at its lower bound), otherwise 60% percentile effective tip from previous 20 blocks (under default setting)

NOTE: This API has different behavior from Ethereum's and returns a gas price of Kaia instead of suggesting a gas price as in Ethereum.

JSONRPC: eth_maxPriorityFeePerGas

Request

application/json

Body

params array

Responses

200

Recommended maxPriorityFeePerGas in kei.

application/json

Schema

Schema

error

object

code int64required

A Number that indicates the error type that occurred. This MUST be an integer.

code	message	description
-32700	Parse error	invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
-32602	Invalid params	Invalid method parameter(s).

message string

A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

data string

A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

result hex

Recommended maxPriorityFeePerGas in kei.

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": "0xAE9F7BCC00"
}

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