Full BSC support with validator mode

consensus/misc/eip1559_test.go

@@ -58,6 +58,7 @@ func config() *params.ChainConfig {
 
 // TestBlockGasLimits tests the gasLimit checks for blocks both across
 // the EIP-1559 boundary and post-1559 blocks
+// TODO: "this test won't work for BSC because it has another GasLimitBoundDivisor"
 func TestBlockGasLimits(t *testing.T) {
 	initial := new(big.Int).SetUint64(params.InitialBaseFee)
 

core/systemcontracts/upgrade.go

@@ -35,7 +35,6 @@ const (
 )
 
 var (
-	GenesisHash common.Hash
 	//upgrade config
 	ramanujanUpgrade = make(map[string]*Upgrade)
 
@@ -317,13 +316,13 @@ func UpgradeBuildInSystemContract(config *params.ChainConfig, blockNumber *big.I
 		return
 	}
 	var network string
-	switch GenesisHash {
+	switch config.ChainName {
 	/* Add mainnet genesis hash */
-	case params.BSCGenesisHash:
+	case params.BSCChainName:
 		network = mainNet
-	case params.ChapelGenesisHash:
+	case params.ChapelChainName:
 		network = chapelNet
-	case params.RialtoGenesisHash:
+	case params.RialtoChainName:
 		network = rialtoNet
 	default:
 		network = defaultNet

core/vm/eips.go

@@ -26,14 +26,19 @@ import (
 )
 
 var activators = map[int]func(*JumpTable){
-	//3529: enable3529,
-	//3198: enable3198,
+	3529: enable3529,
+	3198: enable3198,
 	2929: enable2929,
 	2200: enable2200,
 	1884: enable1884,
 	1344: enable1344,
 }
 
+func ApplyBinanceSmartChainEIPs() {
+	delete(activators, 3529)
+	delete(activators, 3198)
+}
+
 // EnableEIP enables the given EIP on the config.
 // This operation writes in-place, and callers need to ensure that the globally
 // defined jump tables are not polluted.

eth/backend.go

@@ -21,8 +21,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/ledgerwatch/erigon/consensus/parlia"
-	"github.com/ledgerwatch/erigon/core/systemcontracts"
 	"math/big"
 	"os"
 	"path"
@@ -46,6 +44,12 @@ import (
 	"github.com/ledgerwatch/erigon-lib/kv/remotedbserver"
 	txpool2 "github.com/ledgerwatch/erigon-lib/txpool"
 	"github.com/ledgerwatch/erigon-lib/txpool/txpooluitl"
+	"github.com/ledgerwatch/log/v3"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+
+	"github.com/ledgerwatch/erigon/consensus/parlia"
+
 	"github.com/ledgerwatch/erigon/cmd/rpcdaemon/interfaces"
 	"github.com/ledgerwatch/erigon/cmd/sentry/download"
 	"github.com/ledgerwatch/erigon/common"
@@ -71,9 +75,6 @@ import (
 	"github.com/ledgerwatch/erigon/turbo/shards"
 	"github.com/ledgerwatch/erigon/turbo/snapshotsync"
 	stages2 "github.com/ledgerwatch/erigon/turbo/stages"
-	"github.com/ledgerwatch/log/v3"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials"
 )
 
 // Config contains the configuration options of the ETH protocol.
@@ -170,7 +171,11 @@ func New(stack *node.Node, config *ethconfig.Config, logger log.Logger) (*Ethere
 	}
 	types.SetHeaderSealFlag(chainConfig.IsHeaderWithSeal())
 	log.Info("Initialised chain configuration", "config", chainConfig, "genesis", genesis.Hash())
-	systemcontracts.GenesisHash = genesis.Hash()
+	// Apply special hacks for BSC params
+	if chainConfig.Parlia != nil {
+		params.ApplyBinanceSmartChainParams()
+		vm.ApplyBinanceSmartChainEIPs()
+	}
 
 	ctx, ctxCancel := context.WithCancel(context.Background())
 	kvRPC := remotedbserver.NewKvServer(ctx, chainKv)

params/protocol_params.go

@@ -18,10 +18,14 @@ package params
 
 import "math/big"
 
+// GasLimitBoundDivisor it can be changed by BSC
+var (
+	GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations.
+)
+
 const (
-	GasLimitBoundDivisor uint64 = 256     // The bound divisor of the gas limit, used in update calculations.
-	MinGasLimit          uint64 = 5000    // Minimum the gas limit may ever be.
-	GenesisGasLimit      uint64 = 4712388 // Gas limit of the Genesis block.
+	MinGasLimit     uint64 = 5000    // Minimum the gas limit may ever be.
+	GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block.
 
 	MaximumExtraDataSize  uint64 = 32     // Maximum size extra data may be after Genesis.
 	ForkIDSize            uint64 = 4      // The length of fork id
@@ -172,3 +176,7 @@ var (
 	MinimumDifficulty      = big.NewInt(131072) // The minimum that the difficulty may ever be.
 	DurationLimit          = big.NewInt(13)     // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
 )
+
+func ApplyBinanceSmartChainParams() {
+	GasLimitBoundDivisor = 256
+}

turbo/stages/headerdownload/header_algos.go

@@ -16,6 +16,8 @@ import (
 	"time"
 
 	"github.com/ledgerwatch/erigon-lib/kv"
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon/cmd/rpcdaemon/interfaces"
 	"github.com/ledgerwatch/erigon/common"
 	"github.com/ledgerwatch/erigon/common/dbutils"
@@ -27,7 +29,6 @@ import (
 	"github.com/ledgerwatch/erigon/p2p/enode"
 	"github.com/ledgerwatch/erigon/params"
 	"github.com/ledgerwatch/erigon/rlp"
-	"github.com/ledgerwatch/log/v3"
 )
 
 // Implements sort.Interface so we can sort the incoming header in the message by block height
@@ -485,7 +486,7 @@ func InitPreverifiedHashes(chain string) (map[common.Hash]struct{}, uint64) {
 		encodings = ropstenPreverifiedHashes
 		height = ropstenPreverifiedHeight
 	default:
-		log.Warn("Preverified hashes not found for", "chain", chain)
+		log.Trace("Preverified hashes not found for", "chain", chain)
 		return nil, 0
 	}
 	return DecodeHashes(encodings), height