config

type Config struct {
	Rollup *rollup.Config
	// DataDir is the directory to read/write pre-image data from/to.
	//If not set, an in-memory key-value store is used and fetching data must be enabled
	DataDir string

	// L1Head is the block has of the L1 chain head block
	L1Head     common.Hash
	L1URL      string
	L1TrustRPC bool
	L1RPCKind  sources.RPCProviderKind

	// L2Head is the l2 block hash contained in the L2 Output referenced by the L2OutputRoot
	// TODO(inphi): This can be made optional with hardcoded rollup configs and output oracle addresses by searching the oracle for the l2 output root
	L2Head common.Hash
	// L2OutputRoot is the agreed L2 output root to start derivation from
	L2OutputRoot common.Hash
	L2URL        string
	// L2Claim is the claimed L2 output root to verify
	L2Claim common.Hash
	// L2ClaimBlockNumber is the block number the claimed L2 output root is from
	// Must be above 0 and to be a valid claim needs to be above the L2Head block.
	L2ClaimBlockNumber uint64
	// L2ChainConfig is the op-geth chain config for the L2 execution engine
	L2ChainConfig *params.ChainConfig
	// ExecCmd specifies the client program to execute in a separate process.
	// If unset, the fault proof client is run in the same process.
	ExecCmd string

	// ServerMode indicates that the program should run in pre-image server mode and wait for requests.
	// No client program is run.
	ServerMode bool

	// IsCustomChainConfig indicates that the program uses a custom chain configuration
	IsCustomChainConfig bool
}