ethconfig

type Config struct {
	// The genesis block, which is inserted if the database is empty.
	// If nil, the Ethereum main net block is used.
	Genesis *core.Genesis `toml:",omitempty"`

	// Protocol options
	NetworkId uint64 // Network ID to use for selecting peers to connect to
	SyncMode  downloader.SyncMode

	// This can be set to list of enrtree:// URLs which will be queried for
	// for nodes to connect to.
	EthDiscoveryURLs  []string
	SnapDiscoveryURLs []string

	NoPruning  bool // Whether to disable pruning and flush everything to disk
	NoPrefetch bool // Whether to disable prefetching and only load state on demand

	TxLookupLimit uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.

	// RequiredBlocks is a set of block number -> hash mappings which must be in the
	// canonical chain of all remote peers. Setting the option makes geth verify the
	// presence of these blocks for every new peer connection.
	RequiredBlocks map[uint64]common.Hash `toml:"-"`

	// Light client options
	LightServ        int  `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
	LightIngress     int  `toml:",omitempty"` // Incoming bandwidth limit for light servers
	LightEgress      int  `toml:",omitempty"` // Outgoing bandwidth limit for light servers
	LightPeers       int  `toml:",omitempty"` // Maximum number of LES client peers
	LightNoPrune     bool `toml:",omitempty"` // Whether to disable light chain pruning
	LightNoSyncServe bool `toml:",omitempty"` // Whether to serve light clients before syncing

	// Ultra Light client options
	UltraLightServers      []string `toml:",omitempty"` // List of trusted ultra light servers
	UltraLightFraction     int      `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
	UltraLightOnlyAnnounce bool     `toml:",omitempty"` // Whether to only announce headers, or also serve them

	// Database options
	SkipBcVersionCheck bool `toml:"-"`
	DatabaseHandles    int  `toml:"-"`
	DatabaseCache      int
	DatabaseFreezer    string

	TrieCleanCache          int
	TrieCleanCacheJournal   string        `toml:",omitempty"` // Disk journal directory for trie cache to survive node restarts
	TrieCleanCacheRejournal time.Duration `toml:",omitempty"` // Time interval to regenerate the journal for clean cache
	TrieDirtyCache          int
	TrieTimeout             time.Duration
	SnapshotCache           int
	Preimages               bool

	// This is the number of blocks for which logs will be cached in the filter system.
	FilterLogCacheSize int

	// Mining options
	Miner miner.Config

	// Transaction pool options
	TxPool txpool.Config

	// Gas Price Oracle options
	GPO gasprice.Config

	// Enables tracking of SHA3 preimages in the VM
	EnablePreimageRecording bool

	// Miscellaneous options
	DocRoot string `toml:"-"`

	// RPCGasCap is the global gas cap for eth-call variants.
	RPCGasCap uint64

	// RPCEVMTimeout is the global timeout for eth-call.
	RPCEVMTimeout time.Duration

	// RPCTxFeeCap is the global transaction fee(price * gaslimit) cap for
	// send-transaction variants. The unit is ether.
	RPCTxFeeCap float64

	// OverrideCancun (TODO: remove after the fork)
	OverrideCancun *uint64 `toml:",omitempty"`

	OverrideOptimismBedrock  *big.Int
	OverrideOptimismRegolith *uint64 `toml:",omitempty"`
	OverrideOptimism         *bool

	RollupSequencerHTTP        string
	RollupHistoricalRPC        string
	RollupHistoricalRPCTimeout time.Duration
	RollupDisableTxPoolGossip  bool
}