Merge pull request #93 from openrelayxyz/feature/etc-plugin-genesis

Feature/etc plugin genesis
2023-10-10 09:44:22 -07:00 · 2023-10-10 09:44:22 -07:00 · 3d2f81a30c
commit 3d2f81a30c
parent 38ea6101de 6781ee2a5c
8 changed files with 1145 additions and 275 deletions
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@ -1698,7 +1698,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	if pluginNetworkId := pluginNetworkId(); pluginNetworkId != nil {
 		cfg.NetworkId = *pluginNetworkId
 	}
-	
 	if cfg.EthDiscoveryURLs == nil {
 		var lightMode bool
 		if cfg.SyncMode == downloader.LightSync {
@ -1933,6 +1932,13 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 		}
 	}
+
+	//begin plugeth injection
+	if genesis := pluginGenesisBlock(); genesis != nil {
+		cfg.Genesis = genesis
+	}
+	//end plugeth injection
+
 	// Set any dangling config values
 	if ctx.String(CryptoKZGFlag.Name) != "gokzg" && ctx.String(CryptoKZGFlag.Name) != "ckzg" {
 		Fatalf("--%s flag must be 'gokzg' or 'ckzg'", CryptoKZGFlag.Name)
@ -2197,6 +2203,11 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 	case ctx.Bool(DeveloperFlag.Name):
 		Fatalf("Developer chains are ephemeral")
 	}
+	//begin plugeth injection
+	if genesis == nil {
+		genesis = pluginGenesisBlock()
+	}
+	//end plugeth injection
 	return genesis
 }

--- a/cmd/utils/plugin_hooks.go
+++ b/cmd/utils/plugin_hooks.go
@ -1,6 +1,8 @@
 package utils

 import (
+	"encoding/json"
+	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/plugins"
 )
@ -114,3 +116,24 @@ func pluginSnapDiscoveryURLs() []string {
 	}
 	return PluginSnapDiscoveryURLs(plugins.DefaultPluginLoader)
 }
+
+func PluginGenesisBlock(pl *plugins.PluginLoader) *core.Genesis {
+	genesisJSON, ok := plugins.LookupOne[func() []byte](pl, "GenesisBlock")
+	if !ok {
+		return nil
+	}
+	var genesis core.Genesis
+	if err := json.Unmarshal(genesisJSON(), &genesis); err != nil {
+		log.Warn("Error unmarshalling genesis", "err", err)
+		return nil
+	}
+	return &genesis
+}
+
+func pluginGenesisBlock() *core.Genesis {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting PluginGenesisBlock, but default PluginLoader has not been initialized")
+		return nil
+	}
+	return PluginGenesisBlock(plugins.DefaultPluginLoader)
+}
--- a/plugins/plugin_loader.go
+++ b/plugins/plugin_loader.go
@ -157,6 +157,26 @@ func (pl *PluginLoader) ParseFlags(args []string) bool {
 	return len(pl.Flags) > 0
 }

+func LookupOne[T any](pl *PluginLoader, name string) (T, bool) {
+	var zero T
+	if pl == nil {
+		if DefaultPluginLoader == nil {
+			log.Warn("Attempting to LookupOne, but default PluginLoader has not been initialized")
+			return zero, false
+		}
+		pl = DefaultPluginLoader
+	}
+	items := pl.Lookup(name, func(v interface{}) bool {
+		_, ok := v.(T)
+		return ok
+	})
+	if len(items) == 0 {
+		return zero, false
+	}
+	return items[0].(T), true
+}
+
+
 func ParseFlags(args []string) bool {
 	if DefaultPluginLoader == nil {
 		log.Warn("Attempting to parse flags, but default PluginLoader has not been initialized")
--- a/plugins/test-plugin/engine.go
+++ b/plugins/test-plugin/engine.go
@ -109,3 +109,4 @@ func (e *engine) Close() error {
 func CreateEngine(chainConfig *params.ChainConfig, db restricted.Database) consensus.Engine {
 	return &engine{}
 }
+
--- a/plugins/test-plugin/genesis.go
+++ b/plugins/test-plugin/genesis.go
@ -0,0 +1,815 @@
+package main
+
+func GenesisBlock() []byte {
+	return []byte(`{
+		"config": {
+		  "chainId": 6448,
+		  "homesteadBlock": 0,
+		  "eip150Block": 0,
+		  "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		  "eip155Block": 0,
+		  "eip158Block": 0,
+		  "byzantiumBlock": 0,
+		  "constantinopleBlock": 0,
+		  "petersburgBlock": 0,
+		  "istanbulBlock": 0,
+		  "berlinBlock" : 0,
+		  "londonBlock": 0,
+		  "mergeNetsplitBlock": 0,
+		  "shanghaiTime": 0,
+		  "clique": {
+			"period": 5,
+			"epoch": 30000
+		  }
+		},
+		"nonce": "0x0",
+		"timestamp": "0x603e6caa",
+		"extraData": "0x0000000000000000000000000000000000000000000000000000000000000000f2c207111cb6ef761e439e56b25c7c99ac026a010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+		"gasLimit": "0x47b760",
+		"difficulty": "0x1",
+		"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"coinbase": "0x0000000000000000000000000000000000000000",
+		"alloc": {
+		  "0000000000000000000000000000000000000000": {
+			"balance": "0x1"
+		  },
+		  "0000000000000000000000000000000000000001": {
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+		  "4204477bf7fce868e761caaba991ffc607717dbf": {
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+		  },
+		  "f2c207111cb6ef761e439e56b25c7c99ac026a01": {
+			"balance": "0x200000000000000000000000000000000000000000000000000000000000000"
+		  }
+		},
+		"number": "0x0",
+		"gasUsed": "0x0",
+		"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+	  }`)
+}
--- a/plugins/test-plugin/test/genesis.json
+++ b/plugins/test-plugin/test/genesis.json
--- a/plugins/test-plugin/test/run-test.sh
+++ b/plugins/test-plugin/test/run-test.sh
@ -9,9 +9,9 @@
 mkdir -p test00 test01 test02 00/keystore 01/keystore 02/keystore  00/geth 01/geth 02/geth  00/plugins 01/plugins 02/plugins 


-cp ../engine.go test00/ 
-cp ../engine.go ../main.go ../hooks.go ../tracer.go ../live_tracer.go  test01/
-cp ../engine.go ../shutdown.go test02/
+cp ../engine.go ../genesis.go test00/
+cp ../engine.go ../genesis.go ../main.go ../hooks.go ../tracer.go ../live_tracer.go  test01/
+cp ../engine.go ../genesis.go ../shutdown.go test02/
 cd test00/ 
 go build -buildmode=plugin -o ../00/plugins
 cd ../
@ -32,9 +32,9 @@ cp nodekey02 02/geth/nodekey

 echo -n "supersecretpassword" > passwordfile

-$GETH init --datadir=./00 genesis.json
-$GETH init --datadir=./01 genesis.json
-$GETH init --datadir=./02 genesis.json
+# $GETH init --datadir=./00 genesis.json
+# $GETH init --datadir=./01 genesis.json
+# $GETH init --datadir=./02 genesis.json

 # miner node
 $GETH --cache.preimages --config config00.toml --authrpc.port 8552 --port 64480 --verbosity=0 --nodiscover --networkid=6448 --datadir=./00/ --mine --miner.etherbase f2c207111cb6ef761e439e56b25c7c99ac026a01 --unlock f2c207111cb6ef761e439e56b25c7c99ac026a01 --http --http.api eth,debug,net --http.port 9545 --password passwordfile --allow-insecure-unlock &
--- a/plugins/wrappers/backendwrapper/backendwrapper.go
+++ b/plugins/wrappers/backendwrapper/backendwrapper.go
@ -482,9 +482,9 @@ func CloneChainConfig(cf *gparams.ChainConfig) *params.ChainConfig {
 		if lv.Kind() != reflect.Invalid {
 			// If core.ChainConfig doesn't have this field, skip it.
 			if v.Type() == lv.Type() && lv.CanSet() {
-				lv.Set(v)
+				v.Set(lv)
 			} else {
-				convertAndSet(lv, v)
+				convertAndSet(v, lv)
 			}
 		}
 	}