params

type Cluster struct {
	StaticNodes     []string `json:"staticnodes"`
	BootNodes       []string `json:"bootnodes"`
	MailServers     []string `json:"mailservers"` // list of trusted mail servers
	RendezvousNodes []string `json:"rendezvousnodes"`
}

type ClusterConfig struct {
	// Enabled flag specifies that nodes in this configuration are taken into account.
	Enabled bool

	// Fleet is a name of a selected fleet. If it has a value, nodes are loaded
	// from a file, namely `fleet-*.{{ .Fleet }}.json`. Nodes can be added to any list
	// in `ClusterConfig`.
	Fleet string

	// StaticNodes is a list of static nodes.
	StaticNodes []string

	// BootNodes is a list of bootnodes.
	BootNodes []string

	// TrustedMailServers is a list of verified and trusted Mail Server nodes.
	TrustedMailServers []string

	// RendezvousNodes is a list rendezvous discovery nodes.
	RendezvousNodes []string
}

type LightEthConfig struct {
	// Enabled flag specifies whether protocol is enabled
	Enabled bool

	// DatabaseCache is memory (in MBs) allocated to internal caching (min 16MB / database forced)
	DatabaseCache int
}

type Limits struct {
	Min, Max int
}

type NodeConfig struct {
	// NetworkID sets network to use for selecting peers to connect to
	NetworkID uint64 `json:"NetworkId" validate:"required"`

	// DataDir is the file system folder the node should use for any data storage needs.
	DataDir string `validate:"required"`
	// BackupDisabledDataDir is the file system folder the node should use for any data storage needs that it doesn't want backed up.
	BackupDisabledDataDir string `validate:"required"`
	PFSEnabled            bool

	// KeyStoreDir is the file system folder that contains private keys.
	KeyStoreDir string `validate:"required"`

	// NodeKey is the hex-encoded node ID (private key). Should be a valid secp256k1 private key that will be used for both
	// remote peer identification as well as network traffic encryption.
	NodeKey string

	// NoDiscovery set to true will disable discovery protocol.
	NoDiscovery bool

	// Rendezvous enables discovery protocol.
	Rendezvous bool

	// ListenAddr is an IP address and port of this node (e.g. 127.0.0.1:30303).
	ListenAddr string

	// AdvertiseAddr is a public IP address the node wants to be found with.
	// It is especially useful when using floating IPs attached to a server.
	AdvertiseAddr string

	// Name sets the instance name of the node. It must not contain the / character.
	Name string `validate:"excludes=/"`

	// Version exposes program's version. It is used in the devp2p node identifier.
	Version string

	// APIModules is a comma-separated list of API modules exposed via *any* (HTTP/WS/IPC) RPC interface.
	APIModules string

	// HTTPEnabled specifies whether the http RPC server is to be enabled by default.
	HTTPEnabled bool

	// HTTPHost is the host interface on which to start the HTTP RPC server.
	// Pass empty string if no HTTP RPC interface needs to be started.
	HTTPHost string

	// HTTPPort is the TCP port number on which to start the Geth's HTTP RPC server.
	HTTPPort int

	// IPCEnabled specifies whether IPC-RPC Server is enabled or not
	IPCEnabled bool

	// IPCFile is filename of exposed IPC RPC Server
	IPCFile string

	// TLSEnabled specifies whether TLS support should be enabled on node or not
	// TLS support is only planned in go-ethereum, so we are using our own patch.
	TLSEnabled bool

	// MaxPeers is the maximum number of (global) peers that can be connected.
	// Set to zero, if only static or trusted peers are allowed to connect.
	MaxPeers int

	// MaxPendingPeers is the maximum number of peers that can be pending in the
	// handshake phase, counted separately for inbound and outbound connections.
	MaxPendingPeers int

	// LogEnabled enables the logger
	LogEnabled bool `json:"LogEnabled"`

	// LogFile is filename where exposed logs get written to
	LogFile string

	// LogLevel defines minimum log level. Valid names are "ERROR", "WARN", "INFO", "DEBUG", and "TRACE".
	LogLevel string `validate:"eq=ERROR|eq=WARN|eq=INFO|eq=DEBUG|eq=TRACE"`

	// LogToStderr defines whether logged info should also be output to os.Stderr
	LogToStderr bool

	// UpstreamConfig extra config for providing upstream infura server.
	UpstreamConfig UpstreamRPCConfig `json:"UpstreamConfig"`

	// ClusterConfig extra configuration for supporting cluster peers.
	ClusterConfig ClusterConfig `json:"ClusterConfig," validate:"structonly"`

	// LightEthConfig extra configuration for LES
	LightEthConfig LightEthConfig `json:"LightEthConfig," validate:"structonly"`

	// WhisperConfig extra configuration for SHH
	WhisperConfig WhisperConfig `json:"WhisperConfig," validate:"structonly"`

	// SwarmConfig extra configuration for Swarm and ENS
	SwarmConfig SwarmConfig `json:"SwarmConfig," validate:"structonly"`

	// RegisterTopics a list of specific topics where the peer wants to be
	// discoverable.
	RegisterTopics []discv5.Topic `json:"RegisterTopics"`

	// RequiredTopics list of topics where a client wants to search for
	// discoverable peers with the discovery limits.
	RequireTopics map[discv5.Topic]Limits `json:"RequireTopics"`

	// StatusServiceEnabled enables status service api
	StatusServiceEnabled bool

	// InstallationId id of the current installation
	InstallationID string

	// DebugAPIEnabled enables debug api
	DebugAPIEnabled bool

	// MailServerRegistryAddress is the MailServerRegistry contract address
	MailServerRegistryAddress string
	// contains filtered or unexported fields
}

type Option func(*NodeConfig) error

type SwarmConfig struct {
	// Enabled flag specifies whether protocol is enabled
	Enabled bool
}

type UpstreamRPCConfig struct {
	// Enabled flag specifies whether feature is enabled
	Enabled bool

	// URL sets the rpc upstream host address for communication with
	// a non-local infura endpoint.
	URL string
}

type WhisperConfig struct {
	// Enabled flag specifies whether protocol is enabled
	Enabled bool

	// LightClient should be true if the node should start with an empty bloom filter and not forward messages from other nodes
	LightClient bool

	// EnableMailServer is mode when node is capable of delivering expired messages on demand
	EnableMailServer bool

	// DataDir is the file system folder Whisper should use for any data storage needs.
	// For instance, MailServer will use this directory to store its data.
	DataDir string

	// MinimumPoW minimum PoW for Whisper messages
	MinimumPoW float64

	// MailServerPassword for symmetric encryption with MailServer.
	// (if no account file selected, then this password is used for symmetric encryption).
	MailServerPassword string

	// MailServerAsymKey is an hex-encoded asymmetric key to decrypt messages sent to MailServer.
	MailServerAsymKey string

	// RateLimit minimum time between queries to mail server per peer
	MailServerRateLimit int

	// MailServerCleanupPeriod time in seconds to wait to run mail server cleanup
	MailServerCleanupPeriod int

	// TTL time to live for messages, in seconds
	TTL int

	// EnableNTPSync enables NTP synchronizations
	EnableNTPSync bool
}