chainConfig.json

{
  "chain_name": "local_testnet",
  "block_production": "Instant",
  "parent_network": {
    "type": "LocalTest"
  },
  "initial_state": {
    "coins": [
      {
        "owner": "0x94ffcc53b892684acefaebc8a3d4a595e528a8cf664eeb3ef36f1020b0809d0d",
        "amount": "0x000000000000FFFF",
        "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": 1000000
  }
}