POSTED BY
2024-05-12

Fatal: Failed to register the Ethereum service: ethash is only supported as a historical component of already merged networks

どうやら最新のgethでは、旧式のPOWはサポートせずPOAまたはPOSのみを使用ということで起きるエラーとのこと。

https://geth.ethereum.org/docs/fundamentals/private-network

にあるように、POAベースのgenesis.jsonならOK。

{
  "config": {
    "homesteadBlock": 0,
    "eip150Block": 0,
    "eip155Block": 0,
    "eip158Block": 0,
    "byzantiumBlock": 0,
    "constantinopleBlock": 0,
    "petersburgBlock": 0,
    "istanbulBlock": 0,
    "muirGlacierBlock": 0,
    "berlinBlock": 0,
    "londonBlock": 0,
    "arrowGlacierBlock": 0,
    "grayGlacierBlock": 0,
    "clique": {
      "period": 5,
      "epoch": 30000
    }
  },
  "difficulty": "1",
  "gasLimit": "800000000",
  "extradata": "0x00000000000000000000000000000000000000000000000000000000000000005ec235c02ff45e8b86ec03b3356e04d483e66ac8a15582b65344096269317365b33ea491d4d03e630000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
  "alloc": {
    "5ec235c02ff45e8b86ec03b3356e04d483e66ac8": { "balance": "1000000000000000000000" },
    "a15582b65344096269317365b33ea491d4d03e63": { "balance": "1000000000000000000000" }
  }
}