[Configuration] eth_config

Provides configuration data for the last, current, and next fork.

JSONRPC: eth_config

Request

application/json

Body

params array

Responses

200

Returns the fork configuration data.

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

object

current

object

blobSchedule

object

The blob configuration parameters for the specific fork.

target integer

The expected number of blobs per block.

max integer

The maximum number of blobs per block.

baseFeeUpdateFraction integer

Determines how blob gas pricing adjusts per block.

chainId hex

The chain ID of the current network.

forkId string

The FORK_HASH format as specified in EIP-6122 of the specific fork.

precompiles

object

A representation of the active precompile contracts for the fork.

property name* 20-byte DATA

systemContracts

object

A JSON object representing the system-level contracts defined by EIPs and KIPs.

property name* 20-byte DATA

next

object

nullable

blobSchedule

object

The blob configuration parameters for the specific fork.

target integer

The expected number of blobs per block.

max integer

The maximum number of blobs per block.

baseFeeUpdateFraction integer

Determines how blob gas pricing adjusts per block.

chainId hex

The chain ID of the current network.

forkId string

The FORK_HASH format as specified in EIP-6122 of the specific fork.

precompiles

object

A representation of the active precompile contracts for the fork.

property name* 20-byte DATA

systemContracts

object

A JSON object representing the system-level contracts defined by EIPs and KIPs.

property name* 20-byte DATA

last

object

nullable

blobSchedule

object

The blob configuration parameters for the specific fork.

target integer

The expected number of blobs per block.

max integer

The maximum number of blobs per block.

baseFeeUpdateFraction integer

Determines how blob gas pricing adjusts per block.

chainId hex

The chain ID of the current network.

forkId string

The FORK_HASH format as specified in EIP-6122 of the specific fork.

precompiles

object

A representation of the active precompile contracts for the fork.

property name* 20-byte DATA

systemContracts

object

A JSON object representing the system-level contracts defined by EIPs and KIPs.

property name* 20-byte DATA

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": {
    "current": {
      "blobSchedule": {
        "target": 1,
        "max": 1,
        "baseFeeUpdateFraction": 5007716
      },
      "chainId": "0x3e9",
      "forkId": "0xb028792b",
      "precompiles": {
        "BLAKE2F": "0x0000000000000000000000000000000000000009",
        "BLS12_G1ADD": "0x000000000000000000000000000000000000000b",
        "BLS12_G1MSM": "0x000000000000000000000000000000000000000c",
        "BLS12_G2ADD": "0x000000000000000000000000000000000000000d",
        "BLS12_G2MSM": "0x000000000000000000000000000000000000000e",
        "BLS12_MAP_FP2_TO_G2": "0x0000000000000000000000000000000000000011",
        "BLS12_MAP_FP_TO_G1": "0x0000000000000000000000000000000000000010",
        "BLS12_PAIRING_CHECK": "0x000000000000000000000000000000000000000f",
        "BN254_ADD": "0x0000000000000000000000000000000000000006",
        "BN254_MUL": "0x0000000000000000000000000000000000000007",
        "BN254_PAIRING": "0x0000000000000000000000000000000000000008",
        "ECREC": "0x0000000000000000000000000000000000000001",
        "FEE_PAYER": "0x00000000000000000000000000000000000003fe",
        "ID": "0x0000000000000000000000000000000000000004",
        "KZG_POINT_EVALUATION": "0x000000000000000000000000000000000000000a",
        "MODEXP": "0x0000000000000000000000000000000000000005",
        "P256VERIFY": "0x0000000000000000000000000000000000000100",
        "RIPEMD160": "0x0000000000000000000000000000000000000003",
        "SHA256": "0x0000000000000000000000000000000000000002",
        "VALIDATE_SENDER": "0x00000000000000000000000000000000000003ff",
        "VMLOG": "0x00000000000000000000000000000000000003fd"
      },
      "systemContracts": {
        "ADDRESS_BOOK": "0x0000000000000000000000000000000000000400",
        "HISTORY_STORAGE_ADDRESS": "0x0000f90827f1c53a10cb7a02335b175320002935",
        "KIP103": "0xd5ad6d61dd87edabe2332607c328f5cc96aecb95",
        "KIP160": "0x3d478e73c9dbebb72332712d7265961b1868d193",
        "REGISTRY": "0x0000000000000000000000000000000000000401"
      }
    },
    "next": null,
    "last": null
  }
}

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