Update libsodium-wrappers peer dep and fix support for the newest version

package.json

@@ -44,7 +44,7 @@
     "node-opus": "^0.2.0",
     "opusscript": "^0.0.3",
     "sodium": "^2.0.0",
-    "libsodium-wrappers": "^0.5.0",
+    "libsodium-wrappers": "^0.7.0",
     "uws": "^8.14.0"
   },
   "devDependencies": {

src/client/voice/dispatcher/StreamDispatcher.js

@@ -163,7 +163,7 @@ class StreamDispatcher extends VolumeInterface {
     packetBuffer.writeUIntBE(this.player.voiceConnection.authentication.ssrc, 8, 4);
 
     packetBuffer.copy(nonce, 0, 0, 12);
-    buffer = secretbox.close(buffer, nonce, this.player.voiceConnection.authentication.secretKey.key);
+    buffer = secretbox.methods.close(buffer, nonce, this.player.voiceConnection.authentication.secretKey.key);
     for (let i = 0; i < buffer.length; i++) packetBuffer[i + 12] = buffer[i];
 
     return packetBuffer;

src/client/voice/receiver/VoiceReceiver.js

@@ -148,7 +148,7 @@ class VoiceReceiver extends EventEmitter {
 
   handlePacket(msg, user) {
     msg.copy(nonce, 0, 0, 12);
-    let data = secretbox.open(msg.slice(12), nonce, this.voiceConnection.authentication.secretKey.key);
+    let data = secretbox.methods.open(msg.slice(12), nonce, this.voiceConnection.authentication.secretKey.key);
     if (!data) {
       /**
        * Emitted whenever a voice packet experiences a problem.

src/client/voice/util/Secretbox.js

@@ -13,10 +13,15 @@ const libs = {
   }),
 };
 
-for (const libName of Object.keys(libs)) {
-  try {
-    const lib = require(libName);
-    module.exports = libs[libName](lib);
-    break;
-  } catch (err) {} // eslint-disable-line no-empty
-}
+exports.methods = {};
+
+(async() => {
+  for (const libName of Object.keys(libs)) {
+    try {
+      const lib = require(libName);
+      if (libName === 'libsodium-wrappers' && lib.ready) await lib.ready;
+      exports.methods = libs[libName](lib);
+      break;
+    } catch (err) {} // eslint-disable-line no-empty
+  }
+})();