diff --git a/config/config.go b/config/config.go new file mode 100644 index 0000000..c13be4e --- /dev/null +++ b/config/config.go @@ -0,0 +1,37 @@ +package config + +import "github.com/ethereum/go-ethereum/p2p/enode" + +// Bootnodes +var ethBootnodes []string = []string{ + // Teku team's bootnode + "enr:-KG4QOtcP9X1FbIMOe17QNMKqDxCpm14jcX5tiOE4_TyMrFqbmhPZHK_ZPG2Gxb1GE2xdtodOfx9-cgvNtxnRyHEmC0ghGV0aDKQ9aX9QgAAAAD__________4JpZIJ2NIJpcIQDE8KdiXNlY3AyNTZrMaEDhpehBDbZjM_L9ek699Y7vhUJ-eAdMyQW_Fil522Y0fODdGNwgiMog3VkcIIjKA", + "enr:-KG4QL-eqFoHy0cI31THvtZjpYUu_Jdw_MO7skQRJxY1g5HTN1A0epPCU6vi0gLGUgrzpU-ygeMSS8ewVxDpKfYmxMMGhGV0aDKQtTA_KgAAAAD__________4JpZIJ2NIJpcIQ2_DUbiXNlY3AyNTZrMaED8GJ2vzUqgL6-KD1xalo1CsmY4X1HaDnyl6Y_WayCo9GDdGNwgiMog3VkcIIjKA", + // Prylab team's bootnodes + "enr:-Ku4QImhMc1z8yCiNJ1TyUxdcfNucje3BGwEHzodEZUan8PherEo4sF7pPHPSIB1NNuSg5fZy7qFsjmUKs2ea1Whi0EBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQOVphkDqal4QzPMksc5wnpuC3gvSC8AfbFOnZY_On34wIN1ZHCCIyg", + "enr:-Ku4QP2xDnEtUXIjzJ_DhlCRN9SN99RYQPJL92TMlSv7U5C1YnYLjwOQHgZIUXw6c-BvRg2Yc2QsZxxoS_pPRVe0yK8Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMeFF5GrS7UZpAH2Ly84aLK-TyvH-dRo0JM1i8yygH50YN1ZHCCJxA", + "enr:-Ku4QPp9z1W4tAO8Ber_NQierYaOStqhDqQdOPY3bB3jDgkjcbk6YrEnVYIiCBbTxuar3CzS528d2iE7TdJsrL-dEKoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMw5fqqkw2hHC4F5HZZDPsNmPdB1Gi8JPQK7pRc9XHh-oN1ZHCCKvg", + // Lighthouse team's bootnodes + "enr:-Jq4QItoFUuug_n_qbYbU0OY04-np2wT8rUCauOOXNi0H3BWbDj-zbfZb7otA7jZ6flbBpx1LNZK2TDebZ9dEKx84LYBhGV0aDKQtTA_KgEAAAD__________4JpZIJ2NIJpcISsaa0ZiXNlY3AyNTZrMaEDHAD2JKYevx89W0CcFJFiskdcEzkH_Wdv9iW42qLK79ODdWRwgiMo", + "enr:-Jq4QN_YBsUOqQsty1OGvYv48PMaiEt1AzGD1NkYQHaxZoTyVGqMYXg0K9c0LPNWC9pkXmggApp8nygYLsQwScwAgfgBhGV0aDKQtTA_KgEAAAD__________4JpZIJ2NIJpcISLosQxiXNlY3AyNTZrMaEDBJj7_dLFACaxBfaI8KZTh_SSJUjhyAyfshimvSqo22WDdWRwgiMo", + // EF bootnodes + "enr:-Ku4QHqVeJ8PPICcWk1vSn_XcSkjOkNiTg6Fmii5j6vUQgvzMc9L1goFnLKgXqBJspJjIsB91LTOleFmyWWrFVATGngBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAMRHkWJc2VjcDI1NmsxoQKLVXFOhp2uX6jeT0DvvDpPcU8FWMjQdR4wMuORMhpX24N1ZHCCIyg", + "enr:-Ku4QG-2_Md3sZIAUebGYT6g0SMskIml77l6yR-M_JXc-UdNHCmHQeOiMLbylPejyJsdAPsTHJyjJB2sYGDLe0dn8uYBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhBLY-NyJc2VjcDI1NmsxoQORcM6e19T1T9gi7jxEZjk_sjVLGFscUNqAY9obgZaxbIN1ZHCCIyg", + "enr:-Ku4QPn5eVhcoF1opaFEvg1b6JNFD2rqVkHQ8HApOKK61OIcIXD127bKWgAtbwI7pnxx6cDyk_nI88TrZKQaGMZj0q0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDayLMaJc2VjcDI1NmsxoQK2sBOLGcUb4AwuYzFuAVCaNHA-dy24UuEKkeFNgCVCsIN1ZHCCIyg", + "enr:-Ku4QEWzdnVtXc2Q0ZVigfCGggOVB2Vc1ZCPEc6j21NIFLODSJbvNaef1g4PxhPwl_3kax86YPheFUSLXPRs98vvYsoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDZBrP2Jc2VjcDI1NmsxoQM6jr8Rb1ktLEsVcKAPa08wCsKUmvoQ8khiOl_SLozf9IN1ZHCCIyg", + // Nimbus bootnodes + "enr:-LK4QA8FfhaAjlb_BXsXxSfiysR7R52Nhi9JBt4F8SPssu8hdE1BXQQEtVDC3qStCW60LSO7hEsVHv5zm8_6Vnjhcn0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAN4aBKJc2VjcDI1NmsxoQJerDhsJ-KxZ8sHySMOCmTO6sHM3iCFQ6VMvLTe948MyYN0Y3CCI4yDdWRwgiOM", + "enr:-LK4QKWrXTpV9T78hNG6s8AM6IO4XH9kFT91uZtFg1GcsJ6dKovDOr1jtAAFPnS2lvNltkOGA9k29BUN7lFh_sjuc9QBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhANAdd-Jc2VjcDI1NmsxoQLQa6ai7y9PMN5hpLe5HmiJSlYzMuzP7ZhwRiwHvqNXdoN0Y3CCI4yDdWRwgiOM", +} + +func GetEthereumBootnodes() []*enode.Node { + bootnodes := make([]*enode.Node, len(ethBootnodes)) + for i, enodeURL := range ethBootnodes { + node, err := enode.ParseV4(enodeURL) + if err != nil { + panic(err) + } + bootnodes[i] = node + } + return bootnodes +} diff --git a/discovery/discv5/discv5.go b/discovery/discv5/discv5.go new file mode 100644 index 0000000..c241ab6 --- /dev/null +++ b/discovery/discv5/discv5.go @@ -0,0 +1,77 @@ +package discv5 + +import ( + "context" + "crypto/ecdsa" + "net" + + "github.com/chainbound/valtrack/log" + "github.com/rs/zerolog" + + glog "github.com/ethereum/go-ethereum/log" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/p2p/enode" +) + +type DiscoveryV5 struct { + listener *discover.UDPv5 + log zerolog.Logger +} + +func NewDiscoveryV5(node *enode.LocalNode, port int, bootnodes []*enode.Node) *DiscoveryV5 { + // New geth logger at debug level + gethlog := glog.New() + + log := log.NewLogger("discv5") + + cfg := discover.Config{ + PrivateKey: &ecdsa.PrivateKey{}, + NetRestrict: nil, + Unhandled: nil, + Bootnodes: bootnodes, + Log: gethlog, + ValidSchemes: enode.ValidSchemes, + } + + // udp address to listen + udpAddr := &net.UDPAddr{ + IP: net.IPv4zero, + Port: port, + } + + // start listening and create a connection object + conn, err := net.ListenUDP("udp", udpAddr) + if err != nil { + log.Panic().Err(err).Msg("Failed to listen on UDP") + } + + listener, err := discover.ListenV5(conn, node, cfg) + if err != nil { + log.Panic().Err(err).Msg("Failed to start discv5 listener") + } + + return &DiscoveryV5{ + listener: listener, + log: log, + } +} + +func (d *DiscoveryV5) Start(ctx context.Context) (<-chan *enode.Node, error) { + d.log.Info().Msg("Starting discv5 listener") + + ch := make(chan *enode.Node) + + // Start iterating over randomly discovered nodes + iter := d.listener.RandomNodes() + + go func() { + for iter.Next() { + node := iter.Node() + d.log.Info().Str("node", node.String()).Msg("Discovered new node") + + ch <- node + } + }() + + return ch, nil +} diff --git a/discovery/discv5/discv5_test.go b/discovery/discv5/discv5_test.go new file mode 100644 index 0000000..08d1790 --- /dev/null +++ b/discovery/discv5/discv5_test.go @@ -0,0 +1,27 @@ +package discv5 + +import ( + "context" + "log" + "testing" + + "github.com/chainbound/valtrack/config" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/p2p/enode" +) + +func TestDiscovery(t *testing.T) { + pk, _ := crypto.GenerateKey() + ethDB, err := enode.OpenDB("") + if err != nil { + log.Panicf("Could not create local DB %s", err) + } + + disc := NewDiscoveryV5(enode.NewLocalNode(ethDB, pk), 30303, config.GetEthereumBootnodes()) + + nodes, _ := disc.Start(context.Background()) + + for node := range nodes { + t.Log(node) + } +} diff --git a/discovery/service.go b/discovery/service.go new file mode 100644 index 0000000..7bdec03 --- /dev/null +++ b/discovery/service.go @@ -0,0 +1,11 @@ +package discovery + +type DiscoveryEvent struct{} + +type DiscoveryService interface { + // Start starts the discovery service and returns a channel that will notify of any new + // discovery events. + Start() (<-chan DiscoveryEvent, error) + // Stop stops the discovery service. + Stop() error +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..89f9088 --- /dev/null +++ b/go.mod @@ -0,0 +1,25 @@ +module github.com/chainbound/valtrack + +go 1.22.2 + +require ( + github.com/ethereum/go-ethereum v1.14.0 + github.com/rs/zerolog v1.32.0 +) + +require ( + github.com/StackExchange/wmi v1.2.1 // indirect + github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect + github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect + github.com/go-ole/go-ole v1.3.0 // indirect + github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect + github.com/holiman/uint256 v1.2.4 // indirect + github.com/mattn/go-colorable v0.1.13 // indirect + github.com/mattn/go-isatty v0.0.19 // indirect + github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect + github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect + github.com/tklauser/go-sysconf v0.3.12 // indirect + github.com/tklauser/numcpus v0.6.1 // indirect + golang.org/x/crypto v0.22.0 // indirect + golang.org/x/sys v0.19.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..716b24e --- /dev/null +++ b/go.sum @@ -0,0 +1,123 @@ +github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA= +github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8= +github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k= +github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU= +github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U= +github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc= +github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0= +github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc= +github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc= +github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs= +github.com/ethereum/go-ethereum v1.14.0 h1:xRWC5NlB6g1x7vNy4HDBLuqVNbtLrc7v8S6+Uxim1LU= +github.com/ethereum/go-ethereum v1.14.0/go.mod h1:1STrq471D0BQbCX9He0hUj4bHxX2k6mt5nOQJhDNOJ8= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= +github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY= +github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw= +github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0= +github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE= +github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78= +github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= +github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb h1:PBC98N2aIaM3XXiurYmW7fx4GZkL8feAMVq7nEjURHk= +github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/holiman/uint256 v1.2.4 h1:jUc4Nk8fm9jZabQuqr2JzednajVmBpC+oiTiXZJEApU= +github.com/holiman/uint256 v1.2.4/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E= +github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= +github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA= +github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg= +github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= +github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA= +github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78= +github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= +github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= +github.com/onsi/ginkgo v1.14.0 h1:2mOpI4JVVPBN+WQRa0WKH2eXR+Ey+uK4n7Zj0aYpIQA= +github.com/onsi/ginkgo v1.14.0/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY= +github.com/onsi/gomega v1.7.1/go.mod 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h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/log/log.go b/log/log.go new file mode 100644 index 0000000..d8251a1 --- /dev/null +++ b/log/log.go @@ -0,0 +1,21 @@ +package log + +import ( + "fmt" + "os" + "strings" + "time" + + "github.com/rs/zerolog" + "github.com/rs/zerolog/log" +) + +func NewLogger(module string) zerolog.Logger { + zerolog.TimeFieldFormat = time.RFC3339Nano + output := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: "15:04:05.000"} + output.FormatMessage = func(i interface{}) string { + return fmt.Sprintf("%-45s", fmt.Sprintf("[%s] %s", strings.ToUpper(module), i)) + } + + return log.Output(output) +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..38dd16d --- /dev/null +++ b/main.go @@ -0,0 +1,3 @@ +package main + +func main() {}