gen.json

{"accounts":{"0x0000000000000000000000000000000000000000":{"balance":"0x1"},"0x00000000000000000000000000000000000000fc":{"balance":"0x0"},"0x00000000000000000000000000000000000000fd":{"balance":"0x0"},"0x00000000000000000000000000000000000000fe":{"balance":"0x0"},"0x00000000000000000000000000000000000000ff":{"balance":"0x0"},"0x874b54a8bd152966d63f706bae1ffeb0411921e5":{"balance":"0xc9f2c9cd04674edea40000000"}},"genesis":{"author":"0x0000000000000000000000000000000000000000","difficulty":"0x100000","extraData":"0x3535353535353535353535353535353535353535353535353535353535353535","gasLimit":"0x1000000","nonce":"0x0000000000000042","timestamp":"0x0"},"params":{"EIP150ForkBlock":"0x0","EIP158ForkBlock":"0xa","byzantiumForkBlock":"0x19f0a0","chainId":"0x5","constantinopleForkBlock":"0x408b70","petersburgForkBlock":"0x4b5e82","miningMethod":"ethash"},"version":"1"}