chore(deps): export blake2b and ed25519 (#16)

# Description

- What does this PR do?
Import ed25519 and blake2b from external repository
- Why are these changes needed?
We want to have as little js files (preferably just 1) which will be
imported.

Fixes LimeChain#527 

## Checklist:
- [x] I have read the [contributing
guidelines](https://github.com/LimeChain/Fruzhin/blob/dev/CONTRIBUTING.md).
- [x] My PR title matches the [Conventional Commits
spec](https://www.conventionalcommits.org/).
- [ ] My change requires a change to the documentation.
- [ ] I have updated the documentation accordingly.
- [ ] I have added tests to cover my changes.
- [ ] All new and existing tests passed.

src/main/java/com/limechain/network/protocol/blockannounce/BlockAnnounceEngine.java

@@ -49,7 +49,7 @@ public static String getHandshake() {
 
     @JSBody(params = {"handshake", "protocolId"}, script = "window.fruzhin.libp.getConnections().forEach(async (peer) => {" +
                                                            "   let stream = await ItPbStream.pbStream(await window.fruzhin.libp.dialProtocol(peer.remotePeer, protocolId));" +
-                                                           "    stream.writeLP(window.fruzhin.ED25519.h2b(handshake));" +
+                                                           "    stream.writeLP(Ed25519.h2b(handshake));" +
                                                            "});")
     public static native void sendHandshakeToAll(String handshake, String protocolId);
 
@@ -61,9 +61,9 @@ public static String getHandshake() {
             "                    let subarr = msg.subarray();" +
             "                    if(subarr.length === 69) {" +
             "                        let handshake = announceExport.getHandshake();" +
-            "                        (await ItPbStream.pbStream(stream)).writeLP(window.fruzhin.ED25519.h2b(handshake));" +
+            "                        (await ItPbStream.pbStream(stream)).writeLP(Ed25519.h2b(handshake));" +
             "                    } else if (subarr.length > 1) {" +
-            "                         announceExport.blockAnnounce(window.fruzhin.ED25519.b2h(subarr.slice(2)), connection.remotePeer.toString());" +
+            "                         announceExport.blockAnnounce(Ed25519.b2h(subarr.slice(2)), connection.remotePeer.toString());" +
             "                    }" +
             "                }" +
             "            });" +

src/main/java/com/limechain/network/protocol/grandpa/GrandpaEngine.java

@@ -107,7 +107,7 @@ public static String getNeighbourMessage() {
 
     @JSBody(params = {"handshake", "protocolId"}, script = "window.fruzhin.libp.getConnections().forEach(async (peer) => {" +
                                                            "   let stream = await ItPbStream.pbStream(await window.fruzhin.libp.dialProtocol(peer.remotePeer, protocolId));" +
-                                                           "    stream.write(window.fruzhin.ED25519.h2b(handshake));" + "});")
+                                                           "    stream.write(Ed25519.h2b(handshake));" + "});")
     public static native void sendHandshakeToAll(String handshake, String protocolId);
 
     @JSBody(params = {"grandpaExport", "protocolId"}, script =
@@ -116,13 +116,13 @@ public static String getNeighbourMessage() {
             "                for await (const msg of source) {" + "                    let subarr = msg.subarray();" +
             "                    if(subarr.length === 1) {" +
             "                        let handshake = grandpaExport.getHandshake();" +
-            "                        (await ItPbStream.pbStream(stream)).writeLP(window.fruzhin.ED25519.h2b(handshake));" +
+            "                        (await ItPbStream.pbStream(stream)).writeLP(Ed25519.h2b(handshake));" +
             "                    } else if (subarr.length > 1) {" +
             "                        if(subarr.slice(1)[0] === 2) {" +
             "                           let niehgbourMessage = grandpaExport.getNeighbourMessage();" +
-            "                           (await ItPbStream.pbStream(stream)).writeLP(window.fruzhin.ED25519.h2b(niehgbourMessage));" +
+            "                           (await ItPbStream.pbStream(stream)).writeLP(Ed25519.h2b(niehgbourMessage));" +
             "                        }" +
-            "                        grandpaExport.handleMessage(window.fruzhin.ED25519.b2h(subarr.slice(1)), connection.remotePeer.toString());" +
+            "                        grandpaExport.handleMessage(Ed25519.b2h(subarr.slice(1)), connection.remotePeer.toString());" +
             "                    }" + "                }" + "            });" + "        });")
     public static native void registerHandler(JSObject grandpaExport, String protocolId);
 

src/main/java/com/limechain/sync/JustificationVerifier.java

@@ -134,7 +134,7 @@ private static byte[] getDataToVerify(Precommit precommit, BigInteger authoritie
     }
 
     @JSBody(params = {"publicKeyHex", "signatureHex",
-        "messageHex"}, script = "return window.fruzhin.ED25519.verifyAsync(signatureHex, messageHex, publicKeyHex);")
+        "messageHex"}, script = "return Ed25519.verifyAsync(signatureHex, messageHex, publicKeyHex);")
     public static native JSPromise<JSBoolean> verifyAsync(String publicKeyHex, String signatureHex,
                                                           String messageHex);
 }

src/main/java/com/limechain/utils/HashUtils.java

@@ -9,6 +9,6 @@ public class HashUtils {
 
     @JSBody(params = {"inputHex"}, script = "{" +
                                             "let bytes = new Uint8Array([...inputHex.matchAll(/../g)].map(m => parseInt(m[0], 16)));" +
-                                            "return window.fruzhin.Blake2b.hash(bytes,undefined,32);" + "}")
+                                            "return Blake2B.hash(bytes,undefined,32);" + "}")
     public static native JSString hashWithBlake2b(String inputHex);
 }