[hardhat] network forking

    hardhat: {
      chainId: 31337,
      forking: {
        url: 'http://jsonrpc.dasomoli.org:8545',
        blockNumber: 74924548,
        enabled: true,
      },
      gasPrice: 800000000000,
      hardfork: 'grayGlacier',
      chains: {
        31337: {
          hardforkHistory: {
            petersburg: 0,
            grayGlacier: 25980000,
          },
        },
      },
    },