Initial commit of ETC plugin work

cmd/utils/flags.go

@@ -95,6 +95,12 @@ var (
 		Value:    flags.DirectoryString(filepath.Join("<datadir>", "plugins")),
 		Category: flags.EthCategory,
 	}
+	// ClassicFlag = &cli.BoolFlag{
+	// 	Name:     "Classic",
+	// 	Usage:    "Sepolia network: pre-configured proof-of-work test network",
+	// 	Category: flags.EthCategory,
+	// }
+
 	//end PluGeth code injection
 	DataDirFlag = &flags.DirectoryFlag{
 		Name:     "datadir",
@@ -965,7 +971,12 @@ func init() {
 // if none (or the empty string) is specified. If the node is starting a testnet,
 // then a subdirectory of the specified datadir will be used.
 func MakeDataDir(ctx *cli.Context) string {
+	// begin PluGeth injection
 	if path := ctx.String(DataDirFlag.Name); path != "" {
+		if pluginPath := pluginDefaultDataDir(path); pluginPath != "" {
+			return pluginPath
+		}
+	// end PluGeth injection
 		if ctx.Bool(RinkebyFlag.Name) {
 			return filepath.Join(path, "rinkeby")
 		}
@@ -1018,6 +1029,11 @@ func setNodeUserIdent(ctx *cli.Context, cfg *node.Config) {
 // flags, reverting to pre-configured ones if none have been specified.
 func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 	urls := params.MainnetBootnodes
+	// begin PluGeth injection
+	if pluginUrls := pluginSetBootstrapNodes(); pluginUrls != nil {
+		urls = pluginUrls		
+	}
+	// end PluGeth injection
 	switch {
 	case ctx.IsSet(BootnodesFlag.Name):
 		urls = SplitAndTrim(ctx.String(BootnodesFlag.Name))
@@ -1651,6 +1667,18 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	setRequiredBlocks(ctx, cfg)
 	setLes(ctx, cfg)
 
+	// beginPluGethInjection
+	if pluginNetworkId := pluginNetworkId(); pluginNetworkId != nil {
+		cfg.NetworkId = *pluginNetworkId
+	}
+	if pluginETHDiscoveryURLs := pluginETHDiscoveryURLs(); pluginETHDiscoveryURLs != nil {
+		cfg.EthDiscoveryURLs = pluginETHDiscoveryURLs
+	}
+	if pluginSnapDiscoveryURLs := pluginSnapDiscoveryURLs(); pluginSnapDiscoveryURLs != nil {
+		cfg.SnapDiscoveryURLs = pluginSnapDiscoveryURLs
+	}
+	//end PluGeth injection
+
 	// Cap the cache allowance and tune the garbage collector
 	mem, err := gopsutil.VirtualMemory()
 	if err == nil {

cmd/utils/plugin_hooks.go

@@ -0,0 +1,118 @@
+package utils
+
+import (
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/plugins"
+)
+
+func DefaultDataDir(pl *plugins.PluginLoader, path string) string {
+	log.Error("inside default data dir hook")
+	dataDirPath := ""
+	fnList := pl.Lookup("DefaultDataDir", func(item interface{}) bool {
+		_, ok := item.(func(string) string)
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func(string) string); ok {
+			dataDirPath = fn(path)
+		}
+	}
+	return dataDirPath
+}
+
+func pluginDefaultDataDir(path string) string {
+	log.Error("inside default data dir injection")
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting DefaultDataDir, but default PluginLoader has not been initialized")
+		return ""
+	}
+	return DefaultDataDir(plugins.DefaultPluginLoader, path)
+}
+
+func PluginSetBootStrapNodes(pl *plugins.PluginLoader) []string {
+	var urls []string
+	fnList := pl.Lookup("SetBootstrapNodes", func(item interface{}) bool {
+		_, ok := item.(func() []string)
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func() []string); ok {
+			urls = fn()
+		}
+	}
+	return urls
+}
+
+func pluginSetBootstrapNodes() []string {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting pluginSetBootStrapNodes, but default PluginLoader has not been initialized")
+		return nil
+	}
+	return PluginSetBootStrapNodes(plugins.DefaultPluginLoader)
+}
+
+func PluginNetworkId(pl *plugins.PluginLoader) *uint64 {
+	var networkId *uint64
+	fnList := pl.Lookup("SetNetworkId", func(item interface{}) bool {
+		_, ok := item.(func() *uint64)
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func() *uint64); ok {
+			networkId = fn()
+		}
+	}
+	return networkId
+}
+
+func pluginNetworkId() *uint64 {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting pluginNetworkID, but default PluginLoader has not been initialized")
+		return nil
+	}
+	return PluginNetworkId(plugins.DefaultPluginLoader)
+}
+
+func PluginETHDiscoveryURLs(pl *plugins.PluginLoader) []string {
+	var ethDiscoveryURLs []string
+	fnList := pl.Lookup("SetETHDiscoveryURLs", func(item interface{}) bool {
+		_, ok := item.(func() []string)
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func() []string); ok {
+			ethDiscoveryURLs = fn()
+		}
+	}
+	return ethDiscoveryURLs
+}
+
+func pluginETHDiscoveryURLs() []string {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting pluginETHDiscoveryURLs, but default PluginLoader has not been initialized")
+		return nil
+	}
+	return PluginETHDiscoveryURLs(plugins.DefaultPluginLoader)
+}
+
+func PluginSnapDiscoveryURLs(pl *plugins.PluginLoader) []string {
+	var snapDiscoveryURLs []string
+	fnList := pl.Lookup("SetSnapDiscoveryURLs", func(item interface{}) bool {
+		_, ok := item.(func() []string)
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func() []string); ok {
+			snapDiscoveryURLs = fn()
+		}
+	}
+	return snapDiscoveryURLs
+}
+
+func pluginSnapDiscoveryURLs() []string {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting PluginSnapDiscoveryURLs, but default PluginLoader has not been initialized")
+		return nil
+	}
+	return PluginSnapDiscoveryURLs(plugins.DefaultPluginLoader)
+}

go.mod

@@ -38,7 +38,7 @@ require (
 	github.com/graph-gophers/graphql-go v1.3.0
 	github.com/hashicorp/go-bexpr v0.1.10
 	github.com/holiman/bloomfilter/v2 v2.0.3
-	github.com/holiman/uint256 v1.2.2-0.20230321075855-87b91420868c
+	github.com/holiman/uint256 v1.2.3
 	github.com/huin/goupnp v1.0.3
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0
 	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c

go.sum

@@ -230,8 +230,8 @@ github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/holiman/bloomfilter/v2 v2.0.3 h1:73e0e/V0tCydx14a0SCYS/EWCxgwLZ18CZcZKVu0fao=
 github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iURXE7ZOP9L9hSkA=
-github.com/holiman/uint256 v1.2.2-0.20230321075855-87b91420868c h1:DZfsyhDK1hnSS5lH8l+JggqzEleHteTYfutAiVlSUM8=
+github.com/holiman/uint256 v1.2.3 h1:K8UWO1HUJpRMXBxbmaY1Y8IAMZC/RsKB+ArEnnK4l5o=
-github.com/holiman/uint256 v1.2.2-0.20230321075855-87b91420868c/go.mod h1:SC8Ryt4n+UBbPbIBKaG9zbbDlp4jOru9xFZmPzLUTxw=
+github.com/holiman/uint256 v1.2.3/go.mod h1:SC8Ryt4n+UBbPbIBKaG9zbbDlp4jOru9xFZmPzLUTxw=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/huin/goupnp v1.0.3 h1:N8No57ls+MnjlB+JPiCVSOyy/ot7MJTqlo7rn+NYSqQ=
 github.com/huin/goupnp v1.0.3/go.mod h1:ZxNlw5WqJj6wSsRK5+YfflQGXYfccj5VgQsMNixHM7Y=