eth_config

Returns the client's current configuration including fork information.

Parameters (by position)

This method does not accept any parameters.

Result

Configuration object

Response object for eth_config method containing current, next, and last fork configurations

---

Show Configuration object

Configuration fields

• current object required

  Represents a specific fork configuration

  ---

  Show current object

  current fields

  Represents a specific fork configuration

  • activationTime number required

    Unix timestamp when this configuration becomes active

    ---

  • blobSchedule object required

    Configuration for blob fee schedule

    ---

    Show blobSchedule object

    blobSchedule fields

    Configuration for blob fee schedule

    • baseFeeUpdateFraction integer required

      Fraction used for updating blob base fees

      Range: >= 0

      ---

    • max integer required

      Maximum number of blobs per block

      Range: >= 0

      ---

    • target integer required

      Target number of blobs per block

      Range: >= 0

      ---

    • additionalProperties false

      ---

  • chainId string required

    The chain ID for this configuration

    Match pattern: ^0x(0|[1-9a-f][0-9a-f]*)$

    ---

  • forkId string required

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

    Match pattern: ^0x[0-9a-f]{8}$

    ---

  • precompiles object required

    Mapping of precompile names to their addresses

    ---

    Show precompiles object

    precompiles fields

    Mapping of precompile names to their addresses

  • systemContracts object required

    Mapping of system contract names to their addresses

    ---

    Show systemContracts object

    systemContracts fields

    Mapping of system contract names to their addresses

  • additionalProperties false

    ---

• last object or null required

  Configuration for the last configured fork, null if no future forks scheduled

  ---

  Show Option 1 Configuration object object

  Configuration object fields

  Represents a specific fork configuration

  last object required

  Configuration for the last configured fork, null if no future forks scheduled

  ---

  Show last object

  last fields

  Configuration for the last configured fork, null if no future forks scheduled

  • activationTime number required

    Unix timestamp when this configuration becomes active

    ---

  • blobSchedule object required

    Configuration for blob fee schedule

    ---

    Show blobSchedule object

    blobSchedule fields

    Configuration for blob fee schedule

    • baseFeeUpdateFraction integer required

      Fraction used for updating blob base fees

      Range: >= 0

      ---

    • max integer required

      Maximum number of blobs per block

      Range: >= 0

      ---

    • target integer required

      Target number of blobs per block

      Range: >= 0

      ---

    • additionalProperties false

      ---

  • chainId string required

    The chain ID for this configuration

    Match pattern: ^0x(0|[1-9a-f][0-9a-f]*)$

    ---

  • forkId string required

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

    Match pattern: ^0x[0-9a-f]{8}$

    ---

  • precompiles object required

    Mapping of precompile names to their addresses

    ---

    Show precompiles object

    precompiles fields

    Mapping of precompile names to their addresses

  • systemContracts object required

    Mapping of system contract names to their addresses

    ---

    Show systemContracts object

    systemContracts fields

    Mapping of system contract names to their addresses

  • additionalProperties false

    ---

  Show Option 2 Last configuration null

  Last configuration fields

  Configuration for the last configured fork, null if no future forks scheduled

  last null required

  Configuration for the last configured fork, null if no future forks scheduled

  ---

• next object or null required

  Configuration for the next scheduled fork, null if no future forks scheduled

  ---

  Show Option 1 Configuration object object

  Configuration object fields

  Represents a specific fork configuration

  next object required

  Configuration for the next scheduled fork, null if no future forks scheduled

  ---

  Show next object

  next fields

  Configuration for the next scheduled fork, null if no future forks scheduled

  • activationTime number required

    Unix timestamp when this configuration becomes active

    ---

  • blobSchedule object required

    Configuration for blob fee schedule

    ---

    Show blobSchedule object

    blobSchedule fields

    Configuration for blob fee schedule

    • baseFeeUpdateFraction integer required

      Fraction used for updating blob base fees

      Range: >= 0

      ---

    • max integer required

      Maximum number of blobs per block

      Range: >= 0

      ---

    • target integer required

      Target number of blobs per block

      Range: >= 0

      ---

    • additionalProperties false

      ---

  • chainId string required

    The chain ID for this configuration

    Match pattern: ^0x(0|[1-9a-f][0-9a-f]*)$

    ---

  • forkId string required

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

    Match pattern: ^0x[0-9a-f]{8}$

    ---

  • precompiles object required

    Mapping of precompile names to their addresses

    ---

    Show precompiles object

    precompiles fields

    Mapping of precompile names to their addresses

  • systemContracts object required

    Mapping of system contract names to their addresses

    ---

    Show systemContracts object

    systemContracts fields

    Mapping of system contract names to their addresses

  • additionalProperties false

    ---

  Show Option 2 Next configuration null

  Next configuration fields

  Configuration for the next scheduled fork, null if no future forks scheduled

  next null required

  Configuration for the next scheduled fork, null if no future forks scheduled

  ---

• additionalProperties false

  ---

Examples

eth_config example with no future fork scheduled

Request

{
  "params": []
}

Response

{
  "current": {
    "activationTime": 1746612311,
    "blobSchedule": {
      "baseFeeUpdateFraction": 5007716,
      "max": 9,
      "target": 6
    },
    "chainId": "0x1",
    "forkId": "0x3ff0e375",
    "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",
      "ID": "0x0000000000000000000000000000000000000004",
      "KZG_POINT_EVALUATION": "0x000000000000000000000000000000000000000a",
      "MODEXP": "0x0000000000000000000000000000000000000005",
      "RIPEMD160": "0x0000000000000000000000000000000000000003",
      "SHA256": "0x0000000000000000000000000000000000000002"
    },
    "systemContracts": {
      "BEACON_ROOTS_ADDRESS": "0x000f3df6d732807ef1319fb7b8bb8522d0beac02",
      "CONSOLIDATION_REQUEST_PREDEPLOY_ADDRESS": "0x0000bbddc7ce488642fb579f8b00f3a590007251",
      "DEPOSIT_CONTRACT_ADDRESS": "0x00000000219ab540356cbb839cbe05303d7705fa",
      "HISTORY_STORAGE_ADDRESS": "0x0000f90827f1c53a10cb7a02335b175320002935",
      "WITHDRAWAL_REQUEST_PREDEPLOY_ADDRESS": "0x00000961ef480eb55e80d19ad83579a64c007002"
    }
  },
  "last": null,
  "next": null
}

Request

Server URL:

{ "jsonrpc": "2.0", "method": "eth_config", "params": [], "id": 1 }