Add PulseChain config

params/config.go

@@ -365,6 +365,10 @@ type ChainConfig struct {
 	// Various consensus engines
 	Ethash *EthashConfig `json:"ethash,omitempty"`
 	Clique *CliqueConfig `json:"clique,omitempty"`
+
+	// PulseChain modifications
+	PrimordialPulseBlock *big.Int  `json:"primordialPulseBlock,omitempty"` // PrimordialPulseBlock switch block (nil = no fork, 0 = already activated)
+	Treasury             *Treasury `json:"treasury,omitempty"`             // An optional treasury which will receive allocations during the PrimordialPulseBlock
 }
 
 // EthashConfig is the consensus engine configs for proof-of-work based sealing.
@@ -578,6 +582,12 @@ func (c *ChainConfig) IsVerkle(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.VerkleTime, time)
 }
 
+// IsPrimordialPulseBlock returns whether or not the given block is the primordial pulse block.
+func (c *ChainConfig) IsPrimordialPulseBlock(num *big.Int) bool {
+	// Returns whether or not the given block is the PrimordialPulseBlock.
+	return c.PrimordialPulseBlock != nil && c.PrimordialPulseBlock.Cmp(num) == 0
+}
+
 // CheckCompatible checks whether scheduled fork transitions have been imported
 // with a mismatching chain configuration.
 func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64, time uint64) *ConfigCompatError {
@@ -739,6 +749,9 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, headNumber *big.Int,
 	if isForkTimestampIncompatible(c.VerkleTime, newcfg.VerkleTime, headTimestamp) {
 		return newTimestampCompatError("Verkle fork timestamp", c.VerkleTime, newcfg.VerkleTime)
 	}
+	if isForkBlockIncompatible(c.PrimordialPulseBlock, newcfg.PrimordialPulseBlock, headNumber) {
+		return newBlockCompatError("PrimordialPulse fork block", c.PrimordialPulseBlock, newcfg.PrimordialPulseBlock)
+	}
 	return nil
 }
 

params/pulse.go

@@ -0,0 +1,49 @@
+package params
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common/math"
+)
+
+// Optional treasury for launching PulseChain testnets
+type Treasury struct {
+	Addr    string                `json:"addr"`
+	Balance *math.HexOrDecimal256 `json:"balance"`
+}
+
+var (
+	PulseChainTestnetConfig = &ChainConfig{
+		ChainID:                       big.NewInt(942),
+		HomesteadBlock:                big.NewInt(1_150_000),
+		DAOForkBlock:                  big.NewInt(1_920_000),
+		DAOForkSupport:                true,
+		EIP150Block:                   big.NewInt(2_463_000),
+		EIP155Block:                   big.NewInt(2_675_000),
+		EIP158Block:                   big.NewInt(2_675_000),
+		ByzantiumBlock:                big.NewInt(4_370_000),
+		ConstantinopleBlock:           big.NewInt(7_280_000),
+		PetersburgBlock:               big.NewInt(7_280_000),
+		IstanbulBlock:                 big.NewInt(9_069_000),
+		MuirGlacierBlock:              big.NewInt(9_200_000),
+		BerlinBlock:                   big.NewInt(12_244_000),
+		LondonBlock:                   big.NewInt(12_965_000),
+		ArrowGlacierBlock:             big.NewInt(13_773_000),
+		GrayGlacierBlock:              big.NewInt(15_050_000),
+		TerminalTotalDifficulty:       MainnetTerminalTotalDifficulty, // 58_750_000_000_000_000_000_000
+		TerminalTotalDifficultyPassed: true,
+		Ethash:                        new(EthashConfig),
+		PrimordialPulseBlock:          big.NewInt(15_700_000), // TODO: UPDATE FORK BLOCK
+		Treasury:                      testnetTreasury(),
+	}
+)
+
+func testnetTreasury() *Treasury {
+	var pulseChainTestnetTreasuryBalance math.HexOrDecimal256
+	pulseChainTestnetTreasuryBalance.UnmarshalText([]byte("0xC9F2C9CD04674EDEA40000000"))
+
+	return &Treasury{
+		Addr:    "0xceB59257450820132aB274ED61C49E5FD96E8868",
+		Balance: &pulseChainTestnetTreasuryBalance,
+	}
+}