params/config: add Bohr hardfork (#2497)

cmd/geth/chaincmd.go

@@ -64,6 +64,7 @@ var (
 			utils.CachePreimagesFlag,
 			utils.OverrideCancun,
 			utils.OverrideHaber,
+			utils.OverrideBohr,
 			utils.OverrideVerkle,
 		}, utils.DatabaseFlags),
 		Description: `
@@ -261,6 +262,10 @@ func initGenesis(ctx *cli.Context) error {
 		v := ctx.Uint64(utils.OverrideHaber.Name)
 		overrides.OverrideHaber = &v
 	}
+	if ctx.IsSet(utils.OverrideBohr.Name) {
+		v := ctx.Uint64(utils.OverrideBohr.Name)
+		overrides.OverrideBohr = &v
+	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		overrides.OverrideVerkle = &v

cmd/geth/config.go

@@ -193,6 +193,10 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 		v := ctx.Uint64(utils.OverrideHaber.Name)
 		cfg.Eth.OverrideHaber = &v
 	}
+	if ctx.IsSet(utils.OverrideBohr.Name) {
+		v := ctx.Uint64(utils.OverrideBohr.Name)
+		cfg.Eth.OverrideBohr = &v
+	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		cfg.Eth.OverrideVerkle = &v

cmd/geth/main.go

@@ -74,6 +74,7 @@ var (
 		utils.RialtoHash,
 		utils.OverrideCancun,
 		utils.OverrideHaber,
+		utils.OverrideBohr,
 		utils.OverrideVerkle,
 		utils.OverrideFullImmutabilityThreshold,
 		utils.OverrideMinBlocksForBlobRequests,

cmd/utils/flags.go

@@ -315,6 +315,11 @@ var (
 		Usage:    "Manually specify the Haber fork timestamp, overriding the bundled setting",
 		Category: flags.EthCategory,
 	}
+	OverrideBohr = &cli.Uint64Flag{
+		Name:     "override.bohr",
+		Usage:    "Manually specify the Bohr fork timestamp, overriding the bundled setting",
+		Category: flags.EthCategory,
+	}
 	OverrideVerkle = &cli.Uint64Flag{
 		Name:     "override.verkle",
 		Usage:    "Manually specify the Verkle fork timestamp, overriding the bundled setting",

core/genesis.go

@@ -218,6 +218,7 @@ func (e *GenesisMismatchError) Error() string {
 type ChainOverrides struct {
 	OverrideCancun *uint64
 	OverrideHaber  *uint64
+	OverrideBohr   *uint64
 	OverrideVerkle *uint64
 }
 
@@ -250,6 +251,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *triedb.Database, g
 			if overrides != nil && overrides.OverrideHaber != nil {
 				config.HaberTime = overrides.OverrideHaber
 			}
+			if overrides != nil && overrides.OverrideBohr != nil {
+				config.BohrTime = overrides.OverrideBohr
+			}
 			if overrides != nil && overrides.OverrideVerkle != nil {
 				config.VerkleTime = overrides.OverrideVerkle
 			}

eth/backend.go

@@ -187,6 +187,10 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		chainConfig.HaberTime = config.OverrideHaber
 		overrides.OverrideHaber = config.OverrideHaber
 	}
+	if config.OverrideBohr != nil {
+		chainConfig.BohrTime = config.OverrideBohr
+		overrides.OverrideBohr = config.OverrideBohr
+	}
 	if config.OverrideVerkle != nil {
 		chainConfig.VerkleTime = config.OverrideVerkle
 		overrides.OverrideVerkle = config.OverrideVerkle

eth/ethconfig/config.go

@@ -194,6 +194,9 @@ type Config struct {
 	// OverrideHaber (TODO: remove after the fork)
 	OverrideHaber *uint64 `toml:",omitempty"`
 
+	// OverrideBohr (TODO: remove after the fork)
+	OverrideBohr *uint64 `toml:",omitempty"`
+
 	// OverrideVerkle (TODO: remove after the fork)
 	OverrideVerkle *uint64 `toml:",omitempty"`
 

params/config.go

@@ -153,6 +153,7 @@ var (
 		FeynmanFixTime:      newUint64(1713419340), // 2024-04-18 05:49:00 AM UTC
 		CancunTime:          newUint64(1718863500), // 2024-06-20 06:05:00 AM UTC
 		HaberTime:           newUint64(1718863500), // 2024-06-20 06:05:00 AM UTC
+		BohrTime:            nil,
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -192,6 +193,7 @@ var (
 		FeynmanFixTime:      newUint64(1711342800), // 2024-03-25 5:00:00 AM UTC
 		CancunTime:          newUint64(1713330442), // 2024-04-17 05:07:22 AM UTC
 		HaberTime:           newUint64(1716962820), // 2024-05-29 06:07:00 AM UTC
+		BohrTime:            nil,
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -232,6 +234,7 @@ var (
 		FeynmanFixTime:      newUint64(0),
 		CancunTime:          newUint64(0),
 		HaberTime:           newUint64(0),
+		BohrTime:            newUint64(0),
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -509,6 +512,7 @@ type ChainConfig struct {
 	FeynmanFixTime *uint64 `json:"feynmanFixTime,omitempty"` // FeynmanFix switch time (nil = no fork, 0 = already activated)
 	CancunTime     *uint64 `json:"cancunTime,omitempty"`     // Cancun switch time (nil = no fork, 0 = already on cancun)
 	HaberTime      *uint64 `json:"haberTime,omitempty"`      // Haber switch time (nil = no fork, 0 = already on haber)
+	BohrTime       *uint64 `json:"bohrTime,omitempty"`       // Bohr switch time (nil = no fork, 0 = already on bohr)
 	PragueTime     *uint64 `json:"pragueTime,omitempty"`     // Prague switch time (nil = no fork, 0 = already on prague)
 	VerkleTime     *uint64 `json:"verkleTime,omitempty"`     // Verkle switch time (nil = no fork, 0 = already on verkle)
 
@@ -619,7 +623,12 @@ func (c *ChainConfig) String() string {
 		HaberTime = big.NewInt(0).SetUint64(*c.HaberTime)
 	}
 
-	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Ramanujan: %v, Niels: %v, MirrorSync: %v, Bruno: %v, Berlin: %v, YOLO v3: %v, CatalystBlock: %v, London: %v, ArrowGlacier: %v, MergeFork:%v, Euler: %v, Gibbs: %v, Nano: %v, Moran: %v, Planck: %v,Luban: %v, Plato: %v, Hertz: %v, Hertzfix: %v, ShanghaiTime: %v, KeplerTime: %v, FeynmanTime: %v, FeynmanFixTime: %v, CancunTime: %v, HaberTime: %v, Engine: %v}",
+	var BohrTime *big.Int
+	if c.BohrTime != nil {
+		BohrTime = big.NewInt(0).SetUint64(*c.BohrTime)
+	}
+
+	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Ramanujan: %v, Niels: %v, MirrorSync: %v, Bruno: %v, Berlin: %v, YOLO v3: %v, CatalystBlock: %v, London: %v, ArrowGlacier: %v, MergeFork:%v, Euler: %v, Gibbs: %v, Nano: %v, Moran: %v, Planck: %v,Luban: %v, Plato: %v, Hertz: %v, Hertzfix: %v, ShanghaiTime: %v, KeplerTime: %v, FeynmanTime: %v, FeynmanFixTime: %v, CancunTime: %v, HaberTime: %v, BohrTime: %v, Engine: %v}",
 		c.ChainID,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -657,6 +666,7 @@ func (c *ChainConfig) String() string {
 		FeynmanFixTime,
 		CancunTime,
 		HaberTime,
+		BohrTime,
 		engine,
 	)
 }
@@ -929,6 +939,20 @@ func (c *ChainConfig) IsHaber(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.HaberTime, time)
 }
 
+// IsBohr returns whether time is either equal to the Bohr fork time or greater.
+func (c *ChainConfig) IsBohr(num *big.Int, time uint64) bool {
+	return c.IsLondon(num) && isTimestampForked(c.BohrTime, time)
+}
+
+// IsOnBohr returns whether currentBlockTime is either equal to the Bohr fork time or greater firstly.
+func (c *ChainConfig) IsOnBohr(currentBlockNumber *big.Int, lastBlockTime uint64, currentBlockTime uint64) bool {
+	lastBlockNumber := new(big.Int)
+	if currentBlockNumber.Cmp(big.NewInt(1)) >= 0 {
+		lastBlockNumber.Sub(currentBlockNumber, big.NewInt(1))
+	}
+	return !c.IsBohr(lastBlockNumber, lastBlockTime) && c.IsBohr(currentBlockNumber, currentBlockTime)
+}
+
 // IsPrague returns whether num is either equal to the Prague fork time or greater.
 func (c *ChainConfig) IsPrague(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.PragueTime, time)
@@ -993,6 +1017,7 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "feynmanFixTime", timestamp: c.FeynmanFixTime},
 		{name: "cancunTime", timestamp: c.CancunTime},
 		{name: "haberTime", timestamp: c.HaberTime},
+		{name: "bohrTime", timestamp: c.BohrTime},
 		{name: "pragueTime", timestamp: c.PragueTime, optional: true},
 		{name: "verkleTime", timestamp: c.VerkleTime, optional: true},
 	} {
@@ -1323,7 +1348,7 @@ type Rules struct {
 	IsHertz                                                 bool
 	IsHertzfix                                              bool
 	IsShanghai, IsKepler, IsFeynman, IsCancun, IsHaber      bool
-	IsPrague, IsVerkle                                      bool
+	IsBohr, IsPrague, IsVerkle                              bool
 }
 
 // Rules ensures c's ChainID is not nil.
@@ -1359,6 +1384,7 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 		IsFeynman:        c.IsFeynman(num, timestamp),
 		IsCancun:         c.IsCancun(num, timestamp),
 		IsHaber:          c.IsHaber(num, timestamp),
+		IsBohr:           c.IsBohr(num, timestamp),
 		IsPrague:         c.IsPrague(num, timestamp),
 		IsVerkle:         c.IsVerkle(num, timestamp),
 	}