Merge pull request #111 from openrelayxyz/feature/network-etc-miner

Feature/network etc miner

cmd/utils/flags.go

@@ -1440,7 +1440,6 @@ func SetDataDir(ctx *cli.Context, cfg *node.Config) {
 	pluginPath := pluginDefaultDataDir(node.DefaultDataDir())
 	switch {
 	case pluginPath != "" && ctx.String(DataDirFlag.Name) == node.DefaultDataDir():
-		log.Error("Inside datdir injection number two")
 		cfg.DataDir = pluginPath
 	// end PluGeth injection
 	case ctx.IsSet(DataDirFlag.Name):

core/vm/interpreter.go

@@ -60,6 +60,11 @@ func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
 		table = &cancunInstructionSet
 	case evm.chainRules.IsShanghai:
 		table = &shanghaiInstructionSet
+		// begin PluGeth injection
+		if !evm.chainRules.IsMerge {
+			table[RANDOM] = frontierInstructionSet[DIFFICULTY]
+		}
+		// end PluGeth injection
 	case evm.chainRules.IsMerge:
 		table = &mergeInstructionSet
 	case evm.chainRules.IsLondon:
@@ -72,10 +77,12 @@ func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
 		table = &constantinopleInstructionSet
 	case evm.chainRules.IsByzantium:
 		table = &byzantiumInstructionSet
+
 	// begin PluGeth injection
 	case evm.chainRules.IsEIP160:
-	// end PluGeth injection
 		table = &spuriousDragonInstructionSet
+	// end PluGeth injection
+	
 	case evm.chainRules.IsEIP150:
 		table = &tangerineWhistleInstructionSet
 	case evm.chainRules.IsHomestead:

miner/worker.go

@@ -977,9 +977,12 @@ func (w *worker) prepareWork(genParams *generateParams) (*environment, error) {
 		header.MixDigest = genParams.random
 	}
 	// Set baseFee and GasLimit if we are on an EIP-1559 chain
-	if w.chainConfig.IsLondon(header.Number) {
+
+	// begin PluGeth injection
+	if w.chainConfig.Is1559(header.Number) {
 		header.BaseFee = eip1559.CalcBaseFee(w.chainConfig, parent)
-		if !w.chainConfig.IsLondon(parent.Number) {
+		if !w.chainConfig.Is1559(parent.Number) {
+		// end PluGeth injection
 			parentGasLimit := parent.GasLimit * w.chainConfig.ElasticityMultiplier()
 			header.GasLimit = core.CalcGasLimit(parentGasLimit, w.config.GasCeil)
 		}

params/config.go

@@ -558,10 +558,14 @@ func (c *ChainConfig) IsTerminalPoWBlock(parentTotalDiff *big.Int, totalDiff *bi
 	return parentTotalDiff.Cmp(c.TerminalTotalDifficulty) < 0 && totalDiff.Cmp(c.TerminalTotalDifficulty) >= 0
 }
 
+// begin Plugeth injection -- the following code is being commented to enable network plugins to initiate the shanghai fork
+
 // IsShanghai returns whether time is either equal to the Shanghai fork time or greater.
-func (c *ChainConfig) IsShanghai(num *big.Int, time uint64) bool {
-	return c.IsLondon(num) && isTimestampForked(c.ShanghaiTime, time)
-}
+// func (c *ChainConfig) IsShanghai(num *big.Int, time uint64) bool {
+// 	return c.IsLondon(num) && isTimestampForked(c.ShanghaiTime, time)
+// }
+
+// end PluGeth injection
 
 // IsCancun returns whether num is either equal to the Cancun fork time or greater.
 func (c *ChainConfig) IsCancun(num *big.Int, time uint64) bool {
@@ -929,7 +933,11 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 		IsBerlin:         c.IsBerlin(num),
 		IsLondon:         c.IsLondon(num),
 		IsMerge:          isMerge,
-		IsShanghai:       isMerge && c.IsShanghai(num, timestamp),
+		// IsShanghai:       isMerge && c.IsShanghai(num, timestamp),
+		// the above is being commented and replaced with the plugeth code below to hotwire the chainrules to allow shanghai without the merge
+		// begin PluGeth injection
+		IsShanghai:       c.IsShanghai(num, timestamp),
+		// end PluGeth injection
 		IsCancun:         isMerge && c.IsCancun(num, timestamp),
 		IsPrague:         isMerge && c.IsPrague(num, timestamp),
 		IsVerkle:         isMerge && c.IsVerkle(num, timestamp),

params/plugin_hooks.go

@@ -39,3 +39,16 @@ func (c *ChainConfig) IsEIP160(num *big.Int) bool {
 	}
 	return c.IsEIP158(num)
 }
+
+// IsShanghai is modified here to return whether num is either equal to the Shanghai fork block or greater, if the chain supports Shanghai
+// the foundation implementation has been commented out
+func (c *ChainConfig) IsShanghai(num *big.Int, time uint64) bool {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting isPluginShanghai, but default PluginLoader has not been initialized")
+		return c.IsLondon(num) && isTimestampForked(c.ShanghaiTime, time)
+	}
+	if active, ok := PluginEIPCheck(plugins.DefaultPluginLoader, "IsShanghai", num); ok {
+		return active
+	}
+	return c.IsLondon(num) && isTimestampForked(c.ShanghaiTime, time)
+}

plugins/test-plugin/hooks.go

@@ -243,7 +243,8 @@ func RPCSubscriptionTest() {
 
 // params/ 
 
-func Is1559(*big.Int) bool { // while this hook resides in params the injections are in consensus/misc/ (2), and core/ (2)
+// Is1559 is written in params/ the injections are in: consensus/misc/ (2), and core/ (2) and miner/ (1)
+func Is1559(*big.Int) bool { 
 	m := map[string]struct{}{
 		"Is1559":struct{}{},
 	}
@@ -251,9 +252,19 @@ func Is1559(*big.Int) bool { // while this hook resides in params the injections
 	return true
 }
 
+// the following two hooks are both testing the PluginEIPCheck() hook 
+
 func Is160(num *big.Int) bool {
 	m := map[string]struct{}{
-		"PluginEIPCheck":struct{}{},
+		"Is160":struct{}{},
+	}
+	hookChan <- m
+	return true
+}
+
+func IsShanghai(num *big.Int) bool { 
+	m := map[string]struct{}{
+		"IsShanghai":struct{}{},
 	}
 	hookChan <- m
 	return true
@@ -300,6 +311,7 @@ var plugins map[string]struct{} = map[string]struct{}{
 	"ForkIDs": struct{}{},
 	"OpCodeSelect":struct{}{},
 	"Is1559":struct{}{},
-	"PluginEIPCheck":struct{}{},
+	"Is160":struct{}{},
+	"IsShanghai":struct{}{},
 } 
 

plugins/test-plugin/main.go

@@ -12,7 +12,7 @@ import (
 	"github.com/openrelayxyz/plugeth-utils/restricted/crypto"
 )
 
-var hookChan chan map[string]struct{} = make(chan map[string]struct{}, 10)
+var hookChan chan map[string]struct{} = make(chan map[string]struct{}, 20)
 var quit chan string = make(chan string)
 
 func (service *engineService) CaptureShutdown(ctx context.Context) {
@@ -136,8 +136,10 @@ func BlockChain() {
 							delete(plugins, "OpCodeSelect")
 						case f("Is1559"):
 							delete(plugins, "Is1559")
-						case f("PluginEIPCheck"):
-							delete(plugins, "PluginEIPCheck")
+						case f("Is160"):
+							delete(plugins, "Is160")
+						case f("IsShanghai"):
+							delete(plugins, "IsShanghai")
 				}
 			}
 		}