cmd, eth, les: fix up ultra light config integration

eth/config.go

@@ -43,12 +43,13 @@ var DefaultConfig = Config{
 		DatasetsInMem:  1,
 		DatasetsOnDisk: 2,
 	},
-	NetworkId:      1,
-	LightPeers:     100,
-	DatabaseCache:  512,
-	TrieCleanCache: 256,
-	TrieDirtyCache: 256,
-	TrieTimeout:    60 * time.Minute,
+	NetworkId:          1,
+	LightPeers:         100,
+	UltraLightFraction: 75,
+	DatabaseCache:      512,
+	TrieCleanCache:     256,
+	TrieDirtyCache:     256,
+	TrieTimeout:        60 * time.Minute,
 	Miner: miner.Config{
 		GasFloor: 8000000,
 		GasCeil:  8000000,
@@ -101,14 +102,15 @@ type Config struct {
 	Whitelist map[uint64]common.Hash `toml:"-"`
 
 	// Light client options
-	LightServ         int  `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
-	LightBandwidthIn  int  `toml:",omitempty"` // Incoming bandwidth limit for light servers
-	LightBandwidthOut int  `toml:",omitempty"` // Outgoing bandwidth limit for light servers
-	LightPeers        int  `toml:",omitempty"` // Maximum number of LES client peers
-	OnlyAnnounce      bool // Maximum number of LES client peers
+	LightServ         int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
+	LightBandwidthIn  int `toml:",omitempty"` // Incoming bandwidth limit for light servers
+	LightBandwidthOut int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
+	LightPeers        int `toml:",omitempty"` // Maximum number of LES client peers
 
 	// Ultra Light client options
-	ULC *ULCConfig `toml:",omitempty"`
+	UltraLightServers      []string `toml:",omitempty"` // List of trusted ultra light servers
+	UltraLightFraction     int      `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
+	UltraLightOnlyAnnounce bool     `toml:",omitempty"` // Whether to only announce headers, or also serve them
 
 	// Database options
 	SkipBcVersionCheck bool `toml:"-"`

eth/gen_config.go

@@ -28,10 +28,11 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		LightBandwidthIn        int                    `toml:",omitempty"`
 		LightBandwidthOut       int                    `toml:",omitempty"`
 		LightPeers              int                    `toml:",omitempty"`
-		OnlyAnnounce            bool
-		ULC                     *ULCConfig `toml:",omitempty"`
-		SkipBcVersionCheck      bool       `toml:"-"`
-		DatabaseHandles         int        `toml:"-"`
+		UltraLightServers       []string               `toml:",omitempty"`
+		UltraLightFraction      int                    `toml:",omitempty"`
+		UltraLightOnlyAnnounce  bool                   `toml:",omitempty"`
+		SkipBcVersionCheck      bool                   `toml:"-"`
+		DatabaseHandles         int                    `toml:"-"`
 		DatabaseCache           int
 		DatabaseFreezer         string
 		TrieCleanCache          int
@@ -45,7 +46,6 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		DocRoot                 string `toml:"-"`
 		EWASMInterpreter        string
 		EVMInterpreter          string
-		ConstantinopleOverride  *big.Int
 		RPCGasCap               *big.Int `toml:",omitempty"`
 		Checkpoint              *params.TrustedCheckpoint
 		CheckpointOracle        *params.CheckpointOracleConfig
@@ -61,8 +61,9 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	enc.LightBandwidthIn = c.LightBandwidthIn
 	enc.LightBandwidthOut = c.LightBandwidthOut
 	enc.LightPeers = c.LightPeers
-	enc.OnlyAnnounce = c.OnlyAnnounce
-	enc.ULC = c.ULC
+	enc.UltraLightServers = c.UltraLightServers
+	enc.UltraLightFraction = c.UltraLightFraction
+	enc.UltraLightOnlyAnnounce = c.UltraLightOnlyAnnounce
 	enc.SkipBcVersionCheck = c.SkipBcVersionCheck
 	enc.DatabaseHandles = c.DatabaseHandles
 	enc.DatabaseCache = c.DatabaseCache
@@ -97,10 +98,11 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		LightBandwidthIn        *int                   `toml:",omitempty"`
 		LightBandwidthOut       *int                   `toml:",omitempty"`
 		LightPeers              *int                   `toml:",omitempty"`
-		OnlyAnnounce            *bool
-		ULC                     *ULCConfig `toml:",omitempty"`
-		SkipBcVersionCheck      *bool      `toml:"-"`
-		DatabaseHandles         *int       `toml:"-"`
+		UltraLightServers       []string               `toml:",omitempty"`
+		UltraLightFraction      *int                   `toml:",omitempty"`
+		UltraLightOnlyAnnounce  *bool                  `toml:",omitempty"`
+		SkipBcVersionCheck      *bool                  `toml:"-"`
+		DatabaseHandles         *int                   `toml:"-"`
 		DatabaseCache           *int
 		DatabaseFreezer         *string
 		TrieCleanCache          *int
@@ -152,11 +154,14 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.LightPeers != nil {
 		c.LightPeers = *dec.LightPeers
 	}
-	if dec.OnlyAnnounce != nil {
-		c.OnlyAnnounce = *dec.OnlyAnnounce
+	if dec.UltraLightServers != nil {
+		c.UltraLightServers = dec.UltraLightServers
 	}
-	if dec.ULC != nil {
-		c.ULC = dec.ULC
+	if dec.UltraLightFraction != nil {
+		c.UltraLightFraction = *dec.UltraLightFraction
+	}
+	if dec.UltraLightOnlyAnnounce != nil {
+		c.UltraLightOnlyAnnounce = *dec.UltraLightOnlyAnnounce
 	}
 	if dec.SkipBcVersionCheck != nil {
 		c.SkipBcVersionCheck = *dec.SkipBcVersionCheck

eth/ulc_config.go

@@ -1,9 +0,0 @@
-package eth
-
-const DefaultULCMinTrustedFraction = 75
-
-// ULCConfig is a Ultra Light client options.
-type ULCConfig struct {
-	TrustedServers     []string `toml:",omitempty"` // A list of trusted servers
-	MinTrustedFraction int      `toml:",omitempty"` // Minimum percentage of connected trusted servers to validate trusted (1-100)
-}