feat: add holesky testnet

Author: dennis-tra

README.md

@@ -11,6 +11,7 @@ A network agnostic DHT crawler and monitor. The crawler connects to [DHT](https:
 
 - [IPFS](https://ipfs.network) - [_Amino DHT_](https://blog.ipfs.tech/2023-09-amino-refactoring/)
 - [Ethereum](https://ethereum.org/en/) - [_Consensus Layer_](https://ethereum.org/uz/developers/docs/networking-layer/#consensus-discovery)
+- [Ethereum](https://ethereum.org/en/) - [_Testnet Holesky_](https://github.com/eth-clients/holesky)
 - [Filecoin](https://filecoin.io)
 - [Polkadot](https://polkadot.network/)
 - [Kusama](https://kusama.network/)

cmd/nebula/cmd_crawl.go

@@ -227,7 +227,8 @@ func CrawlAction(c *cli.Context) error {
 	}
 
 	switch cfg.Network {
-	case string(config.NetworkEthCons): // use a different driver etc. for the Ethereum consensus layer
+	case string(config.NetworkEthCons),
+		string(config.NetworkHolesky): // use a different driver etc. for the Ethereum consensus layer + Holeksy Testnet
 		// configure the crawl driver
 		driverCfg := &discv5.CrawlDriverConfig{
 			Version:           cfg.Root.Version(),

pkg/config/bootstrap.go

@@ -200,4 +200,15 @@ var (
 		"enr:-LK4QA8FfhaAjlb_BXsXxSfiysR7R52Nhi9JBt4F8SPssu8hdE1BXQQEtVDC3qStCW60LSO7hEsVHv5zm8_6Vnjhcn0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAN4aBKJc2VjcDI1NmsxoQJerDhsJ-KxZ8sHySMOCmTO6sHM3iCFQ6VMvLTe948MyYN0Y3CCI4yDdWRwgiOM",
 		"enr:-LK4QKWrXTpV9T78hNG6s8AM6IO4XH9kFT91uZtFg1GcsJ6dKovDOr1jtAAFPnS2lvNltkOGA9k29BUN7lFh_sjuc9QBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhANAdd-Jc2VjcDI1NmsxoQLQa6ai7y9PMN5hpLe5HmiJSlYzMuzP7ZhwRiwHvqNXdoN0Y3CCI4yDdWRwgiOM",
 	}
+
+	// BootstrapPeersHolesky extracted from:
+	//   https://github.com/eth-clients/holesky/blob/main/custom_config_data/bootstrap_nodes.txt
+	BootstrapPeersHolesky = []string{
+		"enr:-Ku4QFo-9q73SspYI8cac_4kTX7yF800VXqJW4Lj3HkIkb5CMqFLxciNHePmMt4XdJzHvhrCC5ADI4D_GkAsxGJRLnQBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpAhnTT-AQFwAP__________gmlkgnY0gmlwhLKAiOmJc2VjcDI1NmsxoQORcM6e19T1T9gi7jxEZjk_sjVLGFscUNqAY9obgZaxbIN1ZHCCIyk",
+		"enr:-Ku4QPG7F72mbKx3gEQEx07wpYYusGDh-ni6SNkLvOS-hhN-BxIggN7tKlmalb0L5JPoAfqD-akTZ-gX06hFeBEz4WoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpAhnTT-AQFwAP__________gmlkgnY0gmlwhJK-DYCJc2VjcDI1NmsxoQKLVXFOhp2uX6jeT0DvvDpPcU8FWMjQdR4wMuORMhpX24N1ZHCCIyk",
+		"enr:-LK4QPxe-mDiSOtEB_Y82ozvxn9aQM07Ui8A-vQHNgYGMMthfsfOabaaTHhhJHFCBQQVRjBww_A5bM1rf8MlkJU_l68Eh2F0dG5ldHOIAADAAAAAAACEZXRoMpBpt9l0BAFwAAABAAAAAAAAgmlkgnY0gmlwhLKAiOmJc2VjcDI1NmsxoQJu6T9pclPObAzEVQ53DpVQqjadmVxdTLL-J3h9NFoCeIN0Y3CCIyiDdWRwgiMo",
+		"enr:-Ly4QGbOw4xNel5EhmDsJJ-QhC9XycWtsetnWoZ0uRy381GHdHsNHJiCwDTOkb3S1Ade0SFQkWJX_pgb3g8Jfh93rvMBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpBpt9l0BAFwAAABAAAAAAAAgmlkgnY0gmlwhJK-DYCJc2VjcDI1NmsxoQOxKv9sv3zKF8GDewgFGGHKP5HCZZpPpTrwl9eXKAWGxIhzeW5jbmV0cwCDdGNwgiMog3VkcIIjKA",
+		"enr:-LS4QG0uV4qvcpJ-HFDJRGBmnlD3TJo7yc4jwK8iP7iKaTlfQ5kZvIDspLMJhk7j9KapuL9yyHaZmwTEZqr10k9XumyCEcmHYXR0bmV0c4gAAAAABgAAAIRldGgykGm32XQEAXAAAAEAAAAAAACCaWSCdjSCaXCErK4j-YlzZWNwMjU2azGhAgfWRBEJlb7gAhXIB5ePmjj2b8io0UpEenq1Kl9cxStJg3RjcIIjKIN1ZHCCIyg",
+		"enr:-Le4QLoE1wFHSlGcm48a9ZESb_MRLqPPu6G0vHqu4MaUcQNDHS69tsy-zkN0K6pglyzX8m24mkb-LtBcbjAYdP1uxm4BhGV0aDKQabfZdAQBcAAAAQAAAAAAAIJpZIJ2NIJpcIQ5gR6Wg2lwNpAgAUHQBwEQAAAAAAAAADR-iXNlY3AyNTZrMaEDPMSNdcL92uNIyCsS177Z6KTXlbZakQqxv3aQcWawNXeDdWRwgiMohHVkcDaCI4I",
+	}
 )

pkg/config/config.go

@@ -27,6 +27,7 @@ const (
 	NetworkMocha    Network = "MOCHA"
 	NetworkBlockRa  Network = "BLOCKSPACE_RACE"
 	NetworkEthCons  Network = "ETHEREUM_CONSENSUS"
+	NetworkHolesky  Network = "HOLESKY"
 )
 
 func Networks() []Network {
@@ -43,6 +44,7 @@ func Networks() []Network {
 		NetworkMocha,
 		NetworkBlockRa,
 		NetworkEthCons,
+		NetworkHolesky,
 	}
 }
 
@@ -258,6 +260,9 @@ func ConfigureNetwork(network string) (*cli.StringSlice, *cli.StringSlice, error
 	case NetworkEthCons:
 		bootstrapPeers = cli.NewStringSlice(BootstrapPeersEthereumConsensus...)
 		protocols = cli.NewStringSlice("discv5") // TODO
+	case NetworkHolesky:
+		bootstrapPeers = cli.NewStringSlice(BootstrapPeersHolesky...)
+		protocols = cli.NewStringSlice("discv5") // TODO
 	case NetworkIPFS, NetworkAmino:
 		bps := []string{}
 		for _, maddr := range kaddht.DefaultBootstrapPeers {