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"`

	// Network ID separates blockchains on the peer-to-peer networking level. When left
	// zero, the chain ID is used as network ID.
	NetworkId uint64
	SyncMode  SyncMode

	// DisablePeerTxBroadcast is an optional config and disabled by default, and usually you do not need it.
	// When this flag is enabled, you are requesting remote peers to stop broadcasting new transactions to you, and
	// it does not mean that your node will stop broadcasting transactions to remote peers.
	// If your node does care about new mempool transactions (e.g., running rpc services without the need of mempool
	// transactions) or is continuously under high pressure (e.g., mempool is always full), then you can consider
	// to turn it on.
	DisablePeerTxBroadcast bool
	EVNNodeIDsToAdd        []enode.ID
	EVNNodeIDsToRemove     []enode.ID
	// This can be set to list of enrtree:// URLs which will be queried for
	// nodes to connect to.
	EthDiscoveryURLs   []string
	SnapDiscoveryURLs  []string
	TrustDiscoveryURLs []string
	BscDiscoveryURLs   []string

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

	DirectBroadcast     bool
	DisableSnapProtocol bool // Whether disable snap protocol
	EnableTrustProtocol bool // Whether enable trust protocol
	RangeLimit          bool

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

	TransactionHistory uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.
	StateHistory       uint64 `toml:",omitempty"` // The maximum number of blocks from head whose state histories are reserved.
	// State scheme represents the scheme used to store ethereum states and trie
	// nodes on top. It can be 'hash', 'path', or none which means use the scheme
	// consistent with persistent state.
	StateScheme        string `toml:",omitempty"` // State scheme used to store ethereum state and merkle trie nodes on top
	PathSyncFlush      bool   `toml:",omitempty"` // State scheme used to store ethereum state and merkle trie nodes on top
	JournalFileEnabled bool   // Whether the TrieJournal is stored using journal file

	DisableTxIndexer bool `toml:",omitempty"` // Whether to enable the transaction indexer

	// 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:"-"`

	// Database options
	SkipBcVersionCheck bool `toml:"-"`
	DatabaseHandles    int  `toml:"-"`
	DatabaseCache      int
	DatabaseFreezer    string
	DatabaseDiff       string
	PersistDiff        bool
	DiffBlock          uint64
	// PruneAncientData is an optional config and disabled by default, and usually you do not need it.
	// When this flag is enabled, only keep the latest 9w blocks' data, the older blocks' data will be
	// pruned instead of being dumped to freezerdb, the pruned data includes CanonicalHash, Header, Block,
	// Receipt and TotalDifficulty.
	// Notice: the PruneAncientData once be turned on, the get/chaindata/ancient dir will be removed,
	// if restart without the pruneancient flag, the ancient data will start with the previous point that
	// the oldest unpruned block number.
	PruneAncientData bool

	TrieCleanCache  int
	TrieDirtyCache  int
	TrieTimeout     time.Duration
	SnapshotCache   int
	TriesInMemory   uint64
	TriesVerifyMode core.VerifyMode
	Preimages       bool

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

	// Mining options
	Miner minerconfig.Config

	Inihash inihash.Config `toml:",omitempty"`
	// Transaction pool options
	TxPool   legacypool.Config
	BlobPool blobpool.Config

	// Gas Price Oracle options
	GPO gasprice.Config

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

	// Enables VM tracing
	VMTrace           string
	VMTraceJsonConfig string

	// 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

	// OverridePassedForkTime
	OverridePassedForkTime *uint64 `toml:",omitempty"`

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

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

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

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

	// blob setting
	BlobExtraReserve uint64
}

type SyncMode uint32