config

type Config struct {
	L2ChainID eth.ChainID
	Rollups   []*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

	// DataFormat specifies the format to use for on-disk storage. Only applies when DataDir is set.
	DataFormat types.DataFormat

	// L1Head is the block hash of the L1 chain head block
	L1Head      common.Hash
	L1URL       string
	L1BeaconURL string
	L1TrustRPC  bool
	L1RPCKind   sources.RPCProviderKind

	// L2Head is the l2 block hash contained in the L2 Output referenced by the L2OutputRoot for pre-interop mode
	L2Head common.Hash
	// L2OutputRoot is the agreed L2 output root to start derivation from
	L2OutputRoot common.Hash
	// L2URLs are the URLs of the L2 nodes to fetch L2 data from, these are the canonical URL for L2 data
	// These URLs are used as a fallback for L2ExperimentalURL if the experimental URL fails or cannot retrieve the desired data
	// Must have one L2URL for each chain in Rollups
	L2URLs []string
	// L2ExperimentalURLs are the URLs of the L2 nodes (non hash db archival node, for example, reth archival node) to fetch L2 data from
	// Must have one url for each chain in Rollups
	L2ExperimentalURLs []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.
	// For interop this is the superchain root timestamp
	L2ClaimBlockNumber uint64
	// L2ChainConfigs are the op-geth chain config for the L2 execution engines
	// Must have one chain config for each rollup config
	L2ChainConfigs []*params.ChainConfig
	// L1ChainConfig is the geth chain config for the L1 execution engine
	// For interop, we only have one L1 chain config
	// since all L2 chains must have the same L1
	L1ChainConfig *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

	// InteropEnabled enables interop fault proof rules when running the client in-process
	InteropEnabled bool
	// AgreedPrestate is the preimage of the agreed prestate claim. Required for interop.
	AgreedPrestate []byte
	// DependencySet is the dependency set for the interop host. Required for interop.
	DependencySet depset.DependencySet
}