eth_config

POST

/{apiKey}

Returns the node's fork configuration for the current, next, and last known forks, as introduced by EIP-7910. Operators can use this method to verify that a node is correctly configured for the current network state and any scheduled upgrades. Takes no parameters.

Path Parameters

stringrequireddefaults to docs-demo

For higher throughput, create your own API key

Responses

200

An object with three members: current, next, and last. next and last are null when the client is not configured for a scheduled future fork; both may hold the same value when the next fork is also the last known fork.

POST/v2/{apiKey}

curl --request POST \  --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "eth_config"}'

200Success

{  "jsonrpc": "2.0",  "id": 1,  "result": {    "current": {      "activationTime": 1767747671,      "blobSchedule": {        "baseFeeUpdateFraction": 11684671,        "max": 21,        "target": 14      },      "chainId": "0x1",      "forkId": "0x07c9462e",      "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",        "P256VERIFY": "0x0000000000000000000000000000000000000100",        "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"      }    },    "next": null,    "last": null  }}

Was this page helpful?