package network import ( "fmt" "time" "github.com/nspcc-dev/neo-go/pkg/config" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "go.uber.org/zap/zapcore" ) type ( // ServerConfig holds the server configuration. ServerConfig struct { // MinPeers is the minimum number of peers for normal operation. // When a node has less than this number of peers, it tries to // connect with some new ones. MinPeers int // AttemptConnPeers is the number of connection to try to // establish when the connection count drops below the MinPeers // value. AttemptConnPeers int // MaxPeers is the maximum number of peers that can // be connected to the server. MaxPeers int // The user agent of the server. UserAgent string // Addresses stores the list of bind addresses for the node. Addresses []config.AnnounceableAddress // The network mode the server will operate on. // ModePrivNet docker private network. // ModeTestNet Neo test network. // ModeMainNet Neo main network. Net netmode.Magic // Relay determines whether the server is forwarding its inventory. Relay bool // Seeds is a list of initial nodes used to establish connectivity. Seeds []string // Maximum duration a single dial may take. DialTimeout time.Duration // The duration between protocol ticks with each connected peer. // When this is 0, the default interval of 5 seconds will be used. ProtoTickInterval time.Duration // Interval used in pinging mechanism for syncing blocks. PingInterval time.Duration // Time to wait for pong(response for sent ping request). PingTimeout time.Duration // Level of the internal logger. LogLevel zapcore.Level // TimePerBlock is an interval which should pass between two successive blocks. TimePerBlock time.Duration // OracleCfg is oracle module configuration. OracleCfg config.OracleConfiguration // P2PNotaryCfg is notary module configuration. P2PNotaryCfg config.P2PNotary // StateRootCfg is stateroot module configuration. StateRootCfg config.StateRoot // ExtensiblePoolSize is the size of the pool for extensible payloads from a single sender. ExtensiblePoolSize int // BroadcastFactor is the factor (0-100) for fan-out optimization. BroadcastFactor int } ) // NewServerConfig creates a new ServerConfig struct // using the main applications config. func NewServerConfig(cfg config.Config) (ServerConfig, error) { appConfig := cfg.ApplicationConfiguration protoConfig := cfg.ProtocolConfiguration dialTimeout := appConfig.P2P.DialTimeout if dialTimeout == 0 && appConfig.DialTimeout > 0 { //nolint:staticcheck // SA1019: appConfig.DialTimeout is deprecated dialTimeout = time.Duration(appConfig.DialTimeout) * time.Second //nolint:staticcheck // SA1019: appConfig.DialTimeout is deprecated } protoTickInterval := appConfig.P2P.ProtoTickInterval if protoTickInterval == 0 && appConfig.ProtoTickInterval > 0 { //nolint:staticcheck // SA1019: appConfig.ProtoTickInterval is deprecated protoTickInterval = time.Duration(appConfig.ProtoTickInterval) * time.Second //nolint:staticcheck // SA1019: appConfig.ProtoTickInterval is deprecated } pingInterval := appConfig.P2P.PingInterval if pingInterval == 0 && appConfig.PingInterval > 0 { //nolint:staticcheck // SA1019: appConfig.PingInterval is deprecated pingInterval = time.Duration(appConfig.PingInterval) * time.Second //nolint:staticcheck // SA1019: appConfig.PingInterval is deprecated } pingTimeout := appConfig.P2P.PingTimeout if pingTimeout == 0 && appConfig.PingTimeout > 0 { //nolint:staticcheck // SA1019: appConfig.PingTimeout is deprecated pingTimeout = time.Duration(appConfig.PingTimeout) * time.Second //nolint:staticcheck // SA1019: appConfig.PingTimeout is deprecated } maxPeers := appConfig.P2P.MaxPeers if maxPeers == 0 && appConfig.MaxPeers > 0 { //nolint:staticcheck // SA1019: appConfig.MaxPeers is deprecated maxPeers = appConfig.MaxPeers //nolint:staticcheck // SA1019: appConfig.MaxPeers is deprecated } attemptConnPeers := appConfig.P2P.AttemptConnPeers if attemptConnPeers == 0 && appConfig.AttemptConnPeers > 0 { //nolint:staticcheck // SA1019: appConfig.AttemptConnPeers is deprecated attemptConnPeers = appConfig.AttemptConnPeers //nolint:staticcheck // SA1019: appConfig.AttemptConnPeers is deprecated } minPeers := appConfig.P2P.MinPeers if minPeers == 0 && appConfig.MinPeers > 0 { //nolint:staticcheck // SA1019: appConfig.MinPeers is deprecated minPeers = appConfig.MinPeers //nolint:staticcheck // SA1019: appConfig.MinPeers is deprecated } extPoolSize := appConfig.P2P.ExtensiblePoolSize if extPoolSize == 0 && appConfig.ExtensiblePoolSize > 0 { //nolint:staticcheck // SA1019: appConfig.ExtensiblePoolSize is deprecated extPoolSize = appConfig.ExtensiblePoolSize //nolint:staticcheck // SA1019: appConfig.ExtensiblePoolSize is deprecated } broadcastFactor := appConfig.P2P.BroadcastFactor if broadcastFactor > 0 && appConfig.BroadcastFactor > 0 { //nolint:staticcheck // SA1019: appConfig.BroadcastFactor is deprecated broadcastFactor = appConfig.BroadcastFactor //nolint:staticcheck // SA1019: appConfig.BroadcastFactor is deprecated } addrs, err := appConfig.GetAddresses() if err != nil { return ServerConfig{}, fmt.Errorf("failed to parse addresses: %w", err) } c := ServerConfig{ UserAgent: cfg.GenerateUserAgent(), Addresses: addrs, Net: protoConfig.Magic, Relay: appConfig.Relay, Seeds: protoConfig.SeedList, DialTimeout: dialTimeout, ProtoTickInterval: protoTickInterval, PingInterval: pingInterval, PingTimeout: pingTimeout, MaxPeers: maxPeers, AttemptConnPeers: attemptConnPeers, MinPeers: minPeers, TimePerBlock: protoConfig.TimePerBlock, OracleCfg: appConfig.Oracle, P2PNotaryCfg: appConfig.P2PNotary, StateRootCfg: appConfig.StateRoot, ExtensiblePoolSize: extPoolSize, BroadcastFactor: broadcastFactor, } return c, nil }