feat: Waku v2 bridge

Issue #12610

vendor/github.com/status-im/go-multiaddr-ethv4/.gitignore

@@ -0,0 +1 @@
+vendor/

vendor/github.com/status-im/go-multiaddr-ethv4/README.md

@@ -0,0 +1,15 @@
+ETHv4 multiaddr library
+=======================
+
+ETHv4 mutliaddr format adds a spec that is compatible with enode definition, for example:
+peer with identity 436cc6f674928fdc9a9f7990f2944002b685d1c37f025c1be425185b5b1f0900feaf1ccc2a6130268f9901be4a7d252f37302c8335a2c1a62736e9232691cc3a ip 174.138.105.243 and tcp port 30404 can be defined as enode:
+
+```
+enode://436cc6f674928fdc9a9f7990f2944002b685d1c37f025c1be425185b5b1f0900feaf1ccc2a6130268f9901be4a7d252f37302c8335a2c1a62736e9232691cc3a@174.138.105.243:30404
+```
+
+or as multiaddr
+
+```
+/ip4/174.138.105.243/tcp/30404/ethv4/436cc6f674928fdc9a9f7990f2944002b685d1c37f025c1be425185b5b1f0900feaf1ccc2a6130268f9901be4a7d252f37302c8335a2c1a62736e9232691cc3a
+```

vendor/github.com/status-im/go-multiaddr-ethv4/protocol.go

@@ -0,0 +1,67 @@
+package ethv4
+
+import (
+	"errors"
+
+	"github.com/ethereum/go-ethereum/p2p/enode"
+	"github.com/libp2p/go-libp2p/core/crypto"
+	"github.com/libp2p/go-libp2p/core/peer"
+	ma "github.com/multiformats/go-multiaddr"
+	mh "github.com/multiformats/go-multihash"
+
+	btcec "github.com/btcsuite/btcd/btcec/v2"
+)
+
+const (
+	P_ETHv4 = 0x01EA
+)
+
+func init() {
+	if err := ma.AddProtocol(
+		ma.Protocol{
+			Name:       "ethv4",
+			Code:       P_ETHv4,
+			VCode:      ma.CodeToVarint(P_ETHv4),
+			Size:       312,
+			Path:       false,
+			Transcoder: TranscoderETHv4,
+		}); err != nil {
+		panic(err)
+	}
+}
+
+var TranscoderETHv4 = ma.NewTranscoderFromFunctions(ethv4StB, ethv4BtS, func([]byte) error { return nil })
+
+func ethv4StB(s string) ([]byte, error) {
+	id, err := mh.FromB58String(s)
+	if err != nil {
+		return nil, err
+	}
+	return id, err
+}
+
+func ethv4BtS(b []byte) (string, error) {
+	id, err := mh.Cast(b)
+	if err != nil {
+		return "", err
+	}
+	return id.B58String(), err
+}
+
+// PeerIDToNodeID casts peer.ID (b58 encoded string) to discover.NodeID
+func PeerIDToNodeID(pid string) (n enode.ID, err error) {
+	nodeid, err := peer.Decode(pid)
+	if err != nil {
+		return n, err
+	}
+	pubkey, err := nodeid.ExtractPublicKey()
+	if err != nil {
+		return n, err
+	}
+	seckey, ok := pubkey.(*crypto.Secp256k1PublicKey)
+	if !ok {
+		return n, errors.New("public key is not on the secp256k1 curve")
+	}
+
+	return enode.PubkeyToIDV4((*btcec.PublicKey)(seckey).ToECDSA()), nil
+}