fix: add FeynmanFix upgrade for a testnet issue

core/genesis.go

@@ -276,11 +276,12 @@ func (e *GenesisMismatchError) Error() string {
 // ChainOverrides contains the changes to chain config
 // Typically, these modifications involve hardforks that are not enabled on the BSC mainnet, intended for testing purposes.
 type ChainOverrides struct {
-	OverrideShanghai *uint64
+	OverrideShanghai   *uint64
-	OverrideKepler   *uint64
+	OverrideKepler     *uint64
-	OverrideCancun   *uint64
+	OverrideCancun     *uint64
-	OverrideVerkle   *uint64
+	OverrideVerkle     *uint64
-	OverrideFeynman  *uint64
+	OverrideFeynman    *uint64
+	OverrideFeynmanFix *uint64
 }
 
 // SetupGenesisBlock writes or updates the genesis block in db.
@@ -321,6 +322,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 			if overrides != nil && overrides.OverrideFeynman != nil {
 				config.FeynmanTime = overrides.OverrideFeynman
 			}
+			if overrides != nil && overrides.OverrideFeynmanFix != nil {
+				config.FeynmanFixTime = overrides.OverrideFeynmanFix
+			}
 		}
 	}
 	// Just commit the new block if there is no stored genesis block.

eth/backend.go

@@ -193,6 +193,10 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		chainConfig.FeynmanTime = config.OverrideFeynman
 		overrides.OverrideFeynman = config.OverrideFeynman
 	}
+	if config.OverrideFeynmanFix != nil {
+		chainConfig.FeynmanFixTime = config.OverrideFeynmanFix
+		overrides.OverrideFeynmanFix = config.OverrideFeynmanFix
+	}
 
 	eth := &Ethereum{
 		config:            config,

eth/ethconfig/config.go

@@ -200,6 +200,9 @@ type Config struct {
 
 	// OverrideFeynman (TODO: remove after the fork)
 	OverrideFeynman *uint64 `toml:",omitempty"`
+
+	// OverrideFeynmanFix (TODO: remove after the fork)
+	OverrideFeynmanFix *uint64 `toml:",omitempty"`
 }
 
 // CreateConsensusEngine creates a consensus engine for the given chain config.

params/config.go

@@ -188,6 +188,9 @@ var (
 		KeplerTime:   newUint64(1702972800),
 		FeynmanTime:  newUint64(1710136800),
 
+		// TODO
+		FeynmanFixTime: nil,
+
 		Parlia: &ParliaConfig{
 			Period: 3,
 			Epoch:  200,
@@ -224,6 +227,7 @@ var (
 		ShanghaiTime:        newUint64(0),
 		KeplerTime:          newUint64(0),
 		FeynmanTime:         newUint64(0),
+		FeynmanFixTime:      newUint64(0),
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -459,12 +463,13 @@ type ChainConfig struct {
 
 	// Fork scheduling was switched from blocks to timestamps here
 
-	ShanghaiTime *uint64 `json:"shanghaiTime,omitempty"` // Shanghai switch time (nil = no fork, 0 = already on shanghai)
+	ShanghaiTime   *uint64 `json:"shanghaiTime,omitempty"`   // Shanghai switch time (nil = no fork, 0 = already on shanghai)
-	KeplerTime   *uint64 `json:"keplerTime,omitempty"`   // Kepler switch time (nil = no fork, 0 = already activated)
+	KeplerTime     *uint64 `json:"keplerTime,omitempty"`     // Kepler switch time (nil = no fork, 0 = already activated)
-	FeynmanTime  *uint64 `json:"feynmanTime,omitempty"`  // Feynman switch time (nil = no fork, 0 = already activated)
+	FeynmanTime    *uint64 `json:"feynmanTime,omitempty"`    // Feynman switch time (nil = no fork, 0 = already activated)
-	CancunTime   *uint64 `json:"cancunTime,omitempty"`   // Cancun switch time (nil = no fork, 0 = already on cancun)
+	FeynmanFixTime *uint64 `json:"feynmanFixTime,omitempty"` // Feynman switch time (nil = no fork, 0 = already activated)
-	PragueTime   *uint64 `json:"pragueTime,omitempty"`   // Prague switch time (nil = no fork, 0 = already on prague)
+	CancunTime     *uint64 `json:"cancunTime,omitempty"`     // Cancun switch time (nil = no fork, 0 = already on cancun)
-	VerkleTime   *uint64 `json:"verkleTime,omitempty"`   // Verkle switch time (nil = no fork, 0 = already on verkle)
+	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)
 
 	// TerminalTotalDifficulty is the amount of total difficulty reached by
 	// the network that triggers the consensus upgrade.
@@ -559,7 +564,12 @@ func (c *ChainConfig) String() string {
 		FeynmanTime = big.NewInt(0).SetUint64(*c.FeynmanTime)
 	}
 
-	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, Engine: %v}",
+	var FeynmanFixTime *big.Int
+	if c.FeynmanFixTime != nil {
+		FeynmanFixTime = big.NewInt(0).SetUint64(*c.FeynmanFixTime)
+	}
+
+	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, Engine: %v}",
 		c.ChainID,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -594,6 +604,7 @@ func (c *ChainConfig) String() string {
 		ShanghaiTime,
 		KeplerTime,
 		FeynmanTime,
+		FeynmanFixTime,
 		engine,
 	)
 }
@@ -842,6 +853,20 @@ func (c *ChainConfig) IsOnFeynman(currentBlockNumber *big.Int, lastBlockTime uin
 	return !c.IsFeynman(lastBlockNumber, lastBlockTime) && c.IsFeynman(currentBlockNumber, currentBlockTime)
 }
 
+// IsFeynmanFix returns whether time is either equal to the FeynmanFix fork time or greater.
+func (c *ChainConfig) IsFeynmanFix(num *big.Int, time uint64) bool {
+	return c.IsLondon(num) && isTimestampForked(c.FeynmanFixTime, time)
+}
+
+// IsOnFeynmanFix returns whether currentBlockTime is either equal to the FeynmanFix fork time or greater firstly.
+func (c *ChainConfig) IsOnFeynmanFix(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.IsFeynman(lastBlockNumber, lastBlockTime) && c.IsFeynman(currentBlockNumber, currentBlockTime)
+}
+
 // IsCancun returns whether num is either equal to the Cancun fork time or greater.
 func (c *ChainConfig) IsCancun(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.CancunTime, time)
@@ -908,6 +933,7 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "hertzfixBlock", block: c.HertzfixBlock},
 		{name: "keplerTime", timestamp: c.KeplerTime},
 		{name: "feynmanTime", timestamp: c.FeynmanTime},
+		{name: "feynmanFixTime", timestamp: c.FeynmanFixTime},
 		{name: "cancunTime", timestamp: c.CancunTime, optional: true},
 		{name: "pragueTime", timestamp: c.PragueTime, optional: true},
 		{name: "verkleTime", timestamp: c.VerkleTime, optional: true},
@@ -1050,6 +1076,9 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, headNumber *big.Int,
 	if isForkTimestampIncompatible(c.FeynmanTime, newcfg.FeynmanTime, headTimestamp) {
 		return newTimestampCompatError("Feynman fork timestamp", c.FeynmanTime, newcfg.FeynmanTime)
 	}
+	if isForkTimestampIncompatible(c.FeynmanFixTime, newcfg.FeynmanFixTime, headTimestamp) {
+		return newTimestampCompatError("FeynmanFix fork timestamp", c.FeynmanFixTime, newcfg.FeynmanFixTime)
+	}
 	if isForkTimestampIncompatible(c.CancunTime, newcfg.CancunTime, headTimestamp) {
 		return newTimestampCompatError("Cancun fork timestamp", c.CancunTime, newcfg.CancunTime)
 	}