params: add Cancun blocks (#25305)

common/constants.go

@@ -48,6 +48,7 @@ var TIPXDCXCancellationFeeTestnet = big.NewInt(38383838)
 var TIPXDCXMinerDisable = big.NewInt(80370000)    // Target 2nd Oct 2024
 var TIPXDCXReceiverDisable = big.NewInt(80370900) // Target 2nd Oct 2024, safer to release after disable miner
 var Eip1559Block = big.NewInt(9999999999)
+var CancunBlock = big.NewInt(9999999999)
 var BerlinBlock = big.NewInt(76321000)   // Target 19th June 2024
 var LondonBlock = big.NewInt(76321000)   // Target 19th June 2024
 var MergeBlock = big.NewInt(76321000)    // Target 19th June 2024

common/constants/constants.go.devnet

@@ -52,6 +52,7 @@ var LondonBlock = big.NewInt(0)
 var MergeBlock = big.NewInt(0)
 var ShanghaiBlock = big.NewInt(0)
 var Eip1559Block = big.NewInt(0)
+var CancunBlock = big.NewInt(9999999999)
 
 var TIPXDCXTestnet = big.NewInt(0)
 var IsTestnet bool = false

common/constants/constants.go.local

@@ -52,6 +52,7 @@ var LondonBlock = big.NewInt(0)
 var MergeBlock = big.NewInt(0)
 var ShanghaiBlock = big.NewInt(0)
 var Eip1559Block = big.NewInt(9999999999)
+var CancunBlock = big.NewInt(9999999999)
 
 var TIPXDCXTestnet = big.NewInt(0)
 var IsTestnet bool = false

common/constants/constants.go.testnet

@@ -52,6 +52,7 @@ var LondonBlock = big.NewInt(61290000)
 var MergeBlock = big.NewInt(61290000)
 var ShanghaiBlock = big.NewInt(61290000) // Target 31st March 2024
 var Eip1559Block = big.NewInt(9999999999)
+var CancunBlock = big.NewInt(9999999999)
 
 var TIPXDCXTestnet = big.NewInt(23779191)
 var IsTestnet bool = true

params/config.go

@@ -402,6 +402,7 @@ type ChainConfig struct {
 	MergeBlock      *big.Int `json:"mergeBlock,omitempty"`
 	ShanghaiBlock   *big.Int `json:"shanghaiBlock,omitempty"`
 	Eip1559Block    *big.Int `json:"eip1559Block,omitempty"`
+	CancunBlock     *big.Int `json:"cancunBlock,omitempty"`
 
 	// Various consensus engines
 	Ethash *EthashConfig `json:"ethash,omitempty"`
@@ -566,7 +567,11 @@ func (c *ChainConfig) String() string {
 	if c.Eip1559Block != nil {
 		eip1559Block = c.Eip1559Block
 	}
-	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Istanbul: %v  BerlinBlock: %v LondonBlock: %v MergeBlock: %v ShanghaiBlock: %v Eip1559Block: %v Engine: %v}",
+	cancunBlock := common.CancunBlock
+	if c.CancunBlock != nil {
+		cancunBlock = c.CancunBlock
+	}
+	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Istanbul: %v  BerlinBlock: %v LondonBlock: %v MergeBlock: %v ShanghaiBlock: %v Eip1559Block: %v CancunBlock: %v Engine: %v}",
 		c.ChainId,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -582,6 +587,7 @@ func (c *ChainConfig) String() string {
 		mergeBlock,
 		shanghaiBlock,
 		eip1559Block,
+		cancunBlock,
 		engine,
 	)
 }
@@ -653,6 +659,10 @@ func (c *ChainConfig) IsEIP1559(num *big.Int) bool {
 	return isForked(common.Eip1559Block, num) || isForked(c.Eip1559Block, num)
 }
 
+func (c *ChainConfig) IsCancun(num *big.Int) bool {
+	return isForked(common.CancunBlock, num) || isForked(c.CancunBlock, num)
+}
+
 func (c *ChainConfig) IsTIP2019(num *big.Int) bool {
 	return isForked(common.TIP2019Block, num)
 }
@@ -761,6 +771,28 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *Confi
 	if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, head) {
 		return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
 	}
+	if isForkIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, head) {
+		// the only case where we allow Petersburg to be set in the past is if it is equal to Constantinople
+		// mainly to satisfy fork ordering requirements which state that Petersburg fork be set if Constantinople fork is set
+		if isForkIncompatible(c.ConstantinopleBlock, newcfg.PetersburgBlock, head) {
+			return newCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock)
+		}
+	}
+	if isForkIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, head) {
+		return newCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
+	}
+	if isForkIncompatible(c.BerlinBlock, newcfg.BerlinBlock, head) {
+		return newCompatError("Berlin fork block", c.BerlinBlock, newcfg.BerlinBlock)
+	}
+	if isForkIncompatible(c.LondonBlock, newcfg.LondonBlock, head) {
+		return newCompatError("London fork block", c.LondonBlock, newcfg.LondonBlock)
+	}
+	if isForkIncompatible(c.ShanghaiBlock, newcfg.ShanghaiBlock, head) {
+		return newCompatError("Shanghai fork timestamp", c.ShanghaiBlock, newcfg.ShanghaiBlock)
+	}
+	if isForkIncompatible(c.CancunBlock, newcfg.CancunBlock, head) {
+		return newCompatError("Cancun fork block", c.CancunBlock, newcfg.CancunBlock)
+	}
 	return nil
 }
 
@@ -832,6 +864,7 @@ type Rules struct {
 	IsMerge, IsShanghai                                     bool
 	IsXDCxDisable                                           bool
 	IsEIP1559                                               bool
+	IsCancun                                                bool
 }
 
 func (c *ChainConfig) Rules(num *big.Int) Rules {
@@ -855,5 +888,6 @@ func (c *ChainConfig) Rules(num *big.Int) Rules {
 		IsShanghai:       c.IsShanghai(num),
 		IsXDCxDisable:    c.IsXDCxDisable(num),
 		IsEIP1559:        c.IsEIP1559(num),
+		IsCancun:         c.IsCancun(num),
 	}
 }