chainConfig.json

{
    "chain_name": "local_testnet",
    "block_production": {
      "ProofOfAuthority": {
        "trigger": "instant"
      }
    },
    "parent_network": {
      "type": "LocalTest"
    },
    "block_gas_limit": 1000000000,
    "initial_state": {
      "coins": [
        {
          "owner": "0xc98c60242f807380c15882c47ed0df65ce6c25eac5fb64f6693ba8939fcaa1d4",
          "amount": "0x000000000FFFFFFF",
          "asset_id": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ]
    },
    "transaction_parameters": {
      "contract_max_size": 16777216,
      "max_inputs": 255,
      "max_outputs": 255,
      "max_witnesses": 255,
      "max_gas_per_tx": 100000000,
      "max_script_length": 1048576,
      "max_script_data_length": 1048576,
      "max_static_contracts": 255,
      "max_storage_slots": 255,
      "max_predicate_length": 1048576,
      "max_predicate_data_length": 1048576,
      "gas_price_factor": 1000000000,
      "gas_per_byte": 4,
      "max_message_data_length": 1048576
    },
    "block_producer": {
      "utxo_validation": true,
      "coinbase_recipient": "0x0000000000000000000000000000000000000000000000000000000000000000"
    },
    "consensus": {
      "PoA": {
        "signing_key": "0x22ec92c3105c942a6640bdc4e4907286ec4728e8cfc0d8ac59aad4d8e1ccaefb"
      }
    }
  }