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

	Pruning                         bool    // Whether to disable pruning and flush everything to disk
	AcceptorQueueLimit              int     // Maximum blocks to queue before blocking during acceptance
	CommitInterval                  uint64  // If pruning is enabled, specified the interval at which to commit an entire trie to disk.
	PopulateMissingTries            *uint64 // Height at which to start re-populating missing tries on startup.
	PopulateMissingTriesParallelism int     // Number of concurrent readers to use when re-populating missing tries on startup.
	AllowMissingTries               bool    // Whether to allow an archival node to run with pruning enabled and corrupt a complete index.
	SnapshotDelayInit               bool    // Whether snapshot tree should be initialized on startup or delayed until explicit call (= StateSyncEnabled)
	SnapshotWait                    bool    // Whether to wait for the initial snapshot generation
	SnapshotVerify                  bool    // Whether to verify generated snapshots
	SkipSnapshotRebuild             bool    // Whether to skip rebuilding the snapshot in favor of returning an error (only set to true for tests)

	// Database options
	SkipBcVersionCheck bool `toml:"-"`

	// TrieDB and snapshot options
	TrieCleanCache            int
	TrieDirtyCache            int
	TrieDirtyCommitTarget     int
	TriePrefetcherParallelism int
	SnapshotCache             int
	Preimages                 bool

	// AcceptedCacheSize is the depth of accepted headers cache and accepted
	// logs cache at the accepted tip.
	AcceptedCacheSize int

	// Mining options
	Miner miner.Config

	// 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

	// RPCGasCap is the global gas cap for eth-call variants.
	RPCGasCap uint64 `toml:",omitempty"`

	// 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 `toml:",omitempty"`

	// AllowUnfinalizedQueries allow unfinalized queries
	AllowUnfinalizedQueries bool

	// AllowUnprotectedTxs allow unprotected transactions to be locally issued.
	// Unprotected transactions are transactions that are signed without EIP-155
	// replay protection.
	AllowUnprotectedTxs bool
	// AllowUnprotectedTxHashes provides a list of transaction hashes, which will be allowed
	// to be issued without replay protection over the API even if AllowUnprotectedTxs is false.
	AllowUnprotectedTxHashes []common.Hash

	// OfflinePruning enables offline pruning on startup of the node. If a node is started
	// with this configuration option, it must finish pruning before resuming normal operation.
	OfflinePruning                bool
	OfflinePruningBloomFilterSize uint64
	OfflinePruningDataDirectory   string

	// SkipUpgradeCheck disables checking that upgrades must take place before the last
	// accepted block. Skipping this check is useful when a node operator does not update
	// their node before the network upgrade and their node accepts blocks that have
	// identical state with the pre-upgrade ruleset.
	SkipUpgradeCheck bool

	// TransactionHistory is the maximum number of blocks from head whose tx indices
	// are reserved:
	//  * 0:   means no limit
	//  * N:   means N block limit [HEAD-N+1, HEAD] and delete extra indexes
	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"`

	// SkipTxIndexing skips indexing transactions.
	// This is useful for validators that don't need to index transactions.
	// TransactionHistory can be still used to control unindexing old transactions.
	SkipTxIndexing bool
}