Config

RollerConfig

RollerConfig data structure is as follows:

Property	Type	Description
log_level	String	Roller logger level (error、warn、info、debug、trace).
extern_logging_level	String	Extern module logger level (error、warn、info、debug、trace).
chain_id	u64	Chain identifier for rollup operations
signer_provider	Option<String>	signer provider url.
memory_db	bool	Is roller database in memory or not.
mystiko	ConfigOptions	Mystiko config options.
scheduler	RollerSchedulerConfig	Roller scheduler config.
loader	RollerLoaderConfig	Roller data loader config.
rollup	RollerRollupConfig	Roller rollup config.

Mystiko ConfigOptions

ConfigOptions data structure is as follows:

Property	Type	Description
file_path	Option<String>	Mystiko config file in local file path.
is_testnet	Option<bool>	Is mystiko testnet or not.
is_staging	Option<bool>	Is staging config or not.
remote_base_url	Option<String>	Mystiko config file in remote web url.
git_revision	Option<String>	Mystiko config file git revision.

RollerSchedulerConfig

RollerSchedulerConfig data structure is as follows:

Property	Type	Description
schedule_interval_ms	u64	Specifies the scheduler execution interval in milliseconds.
schedule_count	Option<u64>	Specifies the maximum number of retries allowed per scheduler execution.
status_server_port	u16	Specifies the TCP port used for querying the server status.

RollerLoaderConfig

RollerLoaderConfig data structure is as follows:

Property	Type	Description
config	LoaderConfig	Detailed configuration for the Mystiko data loader module.

RollerRollupConfig

RollerRollupConfig data structure is as follows:

Property	Type	Description
max_rollup_size	usize	Max rollup size.
max_rollup_one_round	u32	Max rollup transaction per scheduler execution.
merkle_tree_height	u32	Merkle tree height, default is 20
chains	HashMap<u64, RollerRollupChainConfig>	Roller rollup chain config.

RollerRollupChainConfig

RollerRollupChainConfig data structure is as follows:

Property	Type	Description
max_gas_price	u64	Max gas price of rollup transaction
force_rollup_block_count	Option<u64>	Optional threshold that forces a rollup based on delayed block count.
gas_cost	HashMap<usize, u64>	Maps each rollup size to its corresponding gas cost.

Example of JSON config

The following is an example of json configuration (roller.json)

{
  "log_level": "info",
  "extern_logging_level": "error",
  "chain_id": 1,
  "mystiko": {
    "is_testnet": false,
    "is_staging": false
  }
  "scheduler": {
    "schedule_interval_ms": 30000
  },
  "loader": {
    "config": {
      "fetchers": {
        "1": "FETCHER_TYPE_PACKER",
        "3": "FETCHER_TYPE_ETHERSCAN",
        "4": "FETCHER_TYPE_PROVIDER"
      },
      "validators": {
        "0": "VALIDATOR_TYPE_RULE"
      },
      "fetcher_config": {
        "etherscan": {
          "chains": {
            "84531": {
              "delay_num_blocks": "4"
            }
          }
        },
        "provider": {
          "chains": {
            "84531": {
              "delay_num_blocks": "4"
            }
          }
        }
      },
      "validator_config": {
        "rule": {
          "checkers": {
            "0": "RULE_VALIDATOR_CHECKER_TYPE_INTEGRITY",
            "1": "RULE_VALIDATOR_CHECKER_TYPE_SEQUENCE",
            "2": "RULE_VALIDATOR_CHECKER_TYPE_COUNTER"
          }
        }
      }
    }
  },
  "rollup": {
    "merkle_tree_height": 20,
    "chains": {
      "1": {
        "max_gas_price": 100000000000,
        "force_rollup_block_count": 60,
        "gas_cost": {
          "1": 331000,
          "2": 336000,
          "4": 340000,
          "8": 360000,
          "16": 410000
        }
      },
      "56": {
        "max_gas_price": 20000000000,
        "force_rollup_block_count": 120,
        "gas_cost": {
          "1": 331000,
          "2": 336000,
          "4": 340000,
          "8": 360000,
          "16": 410000
        }
      },
      "137": {
        "max_gas_price": 1000000000000,
        "force_rollup_block_count": 120,
        "gas_cost": {
          "1": 331000,
          "2": 336000,
          "4": 340000,
          "8": 360000,
          "16": 410000
        }
      }
  }
}