params

type BrowsersConfig struct {
	Enabled bool
}

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 DatabaseConfig struct {
	PGConfig PGConfig
}

type IncentivisationConfig struct {
	// Enabled flag specifies whether protocol is enabled
	Enabled bool `validate:"required"`
	// Endpoint for the RPC calls
	RPCEndpoint string `validate:"required"`
	// Contract address
	ContractAddress string `validate:"required"`
	// IP address that is used
	IP string `validate:"required"`
	// Port
	Port uint16 `validate:"required"`
}

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

	// TrustedNodes is a list of trusted servers
	TrustedNodes []string

	//MinTrustedFraction is minimum percentage of connected trusted servers to validate header(1-100)
	MinTrustedFraction int
}

type Limits struct {
	Min, Max int
}

type MailserversConfig struct {
	Enabled bool
}

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"`

	// 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

	// HTTPVirtualHosts is the list of virtual hostnames which are allowed on incoming requests.
	// This is by default {'localhost'}. Using this prevents attacks like
	// DNS rebinding, which bypasses SOP by simply masquerading as being within the same
	// origin. These attacks do not utilize CORS, since they are not cross-domain.
	// By explicitly checking the Host-header, the server will not allow requests
	// made against the server with a malicious host domain.
	// Requests using an IP address directly are not affected.
	HTTPVirtualHosts []string

	// HTTPCors is the Cross-Origin Resource Sharing header to send to requesting
	// clients. Please be aware that CORS is a browser enforced security, it's fully
	// useless for custom HTTP clients.
	HTTPCors []string

	// 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"`

	// LogMobileSystem enables log redirection to android/ios system logger.
	LogMobileSystem bool

	// 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"`

	// LogMaxBackups defines number of rotated log files that will be stored.
	LogMaxBackups int

	// LogMaxSize in megabytes after current size is reached log file will be rotated.
	LogMaxSize int

	// LogCompressRotated if true all rotated files will be gzipped.
	LogCompressRotated bool

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

	// EnableStatusService should be true to enable methods under status namespace.
	EnableStatusService bool

	// EnableNTPSync enables NTP synchronizations
	EnableNTPSync 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"`

	// WakuConfig provides a configuration for Waku subprotocol.
	WakuConfig WakuConfig `json:"WakuConfig" validate:"structonly"`

	// IncentivisationConfig extra configuration for incentivisation service
	IncentivisationConfig IncentivisationConfig `json:"IncentivisationConfig," validate:"structonly"`

	// ShhextConfig extra configuration for service running under shhext namespace.
	ShhextConfig ShhextConfig `json:"ShhextConfig," validate:"structonly"`

	// WalletConfig extra configuration for wallet.Service.
	WalletConfig WalletConfig

	// BrowsersConfig extra configuration for browsers.Service.
	BrowsersConfig BrowsersConfig

	// PermissionsConfig extra configuration for permissions.Service.
	PermissionsConfig PermissionsConfig

	// MailserversConfig extra configuration for mailservers.Service
	// (persistent storage of user's mailserver records).
	MailserversConfig MailserversConfig

	// 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"`

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

type Option func(*NodeConfig) error

type PGConfig struct {
	// Enabled whether we should use a Postgres instance
	Enabled bool
	// The URI of the server
	URI string
}

type PermissionsConfig struct {
	Enabled bool
}

type ShhextConfig struct {
	PFSEnabled bool
	// BackupDisabledDataDir is the file system folder the node should use for any data storage needs that it doesn't want backed up.
	BackupDisabledDataDir string
	// InstallationId id of the current installation
	InstallationID string
	// MailServerConfirmations should be true if client wants to receive confirmatons only from a selected mail servers.
	MailServerConfirmations bool
	// EnableConnectionManager turns on management of the mail server connections if true.
	EnableConnectionManager bool
	// EnableLastUsedMonitor guarantees that last used mail server will be tracked and persisted into the storage.
	EnableLastUsedMonitor bool
	// ConnectionTarget will be used by connection manager. It will ensure that we connected with configured number of servers.
	ConnectionTarget int
	// RequestsDelay used to ensure that no similar requests are sent within short periods of time.
	RequestsDelay time.Duration

	// MaxServerFailures defines maximum allowed expired requests before server will be swapped to another one.
	MaxServerFailures int

	// MaxMessageDeliveryAttempts defines how many times we will try to deliver not-acknowledged envelopes.
	MaxMessageDeliveryAttempts int

	// WhisperCacheDir is a folder where whisper filters may persist messages before delivering them
	// to a client.
	WhisperCacheDir string

	// DisableGenericDiscoveryTopic indicates whether we should be listening on the old discovery
	DisableGenericDiscoveryTopic bool

	// SendV1Messages indicates whether we should be sending v1-compatible only messages
	SendV1Messages bool

	// DatasyncEnabled indicates whether we should enable dataasync
	DataSyncEnabled bool
}

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 WakuConfig struct {
	// Enabled set to true enables Waku subprotocol.
	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 of whisper message history requests.
	// (if no account file selected, then this password is used for symmetric encryption).
	MailServerPassword string

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

	// MailServerDataRetention is a number of days data should be stored by MailServer.
	MailServerDataRetention int

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

	// MaxMessageSize is a maximum size of a devp2p packet handled by the Whisper protocol,
	// not only the size of envelopes sent in that packet.
	MaxMessageSize uint32

	// DatabaseConfig is configuration for which data store we use.
	DatabaseConfig DatabaseConfig

	// EnableRateLimiter set to true enables IP and peer ID rate limiting.
	EnableRateLimiter bool

	// RateLimitIP sets the limit on the number of messages per second
	// from a given IP.
	RateLimitIP int64

	// RateLimitPeerID sets the limit on the number of messages per second
	// from a given peer ID.
	RateLimitPeerID int64

	// RateLimitTolerance is a number of how many a limit must be exceeded
	// in order to drop a peer.
	// If equal to 0, the peers are never dropped.
	RateLimitTolerance int64
}

type WalletConfig struct {
	Enabled bool
}

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 of whisper message history requests.
	// (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

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

	// MailServerDataRetention is a number of days data should be stored by MailServer.
	MailServerDataRetention int

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

	// MaxMessageSize is a maximum size of a devp2p packet handled by the Whisper protocol,
	// not only the size of envelopes sent in that packet.
	MaxMessageSize uint32

	// DatabaseConfig is configuration for which datastore we use
	DatabaseConfig DatabaseConfig

	// EnableRateLimiter set to true enables IP and peer ID rate limiting.
	EnableRateLimiter bool

	// RateLimitIP sets the limit on the number of messages per second
	// from a given IP.
	RateLimitIP int64

	// RateLimitPeerID sets the limit on the number of messages per second
	// from a given peer ID.
	RateLimitPeerID int64

	// RateLimitTolerance is a number of how many a limit must be exceeded
	// in order to drop a peer.
	// If equal to 0, the peers are never dropped.
	RateLimitTolerance int64
}