nimbus-eth1/tests/customgenesis/blobschedule_cancun_prague.json

{
  "config": {
    "chainId": 7,
    "homesteadBlock": 0,
    "eip150Block": 0,
    "eip150Hash": "0x5de1ee4135274003348e80b788e5afa4b18b18d320a5622218d5c493fedf5689",
    "eip155Block": 0,
    "eip158Block": 0,
    "byzantiumBlock": 0,
    "constantinopleBlock": 0,
    "petersburgBlock": 0,
    "istanbulBlock": 0,
    "muirGlacierBlock": 0,
    "berlinBlock": 0,
    "londonBlock": 0,
    "blobSchedule": {
      "cancun": {
        "target": 3,
        "max": 6,
        "baseFeeUpdateFraction": 3338477
      },
      "prague": {
        "target": 6,
        "max": 9,
        "baseFeeUpdateFraction": 5007716
      }
    }
  }
}