using EdjCase.ICP.Agent.Agents.Http;

using EdjCase.ICP.BLS;

using System;

using System.Net;

using System.Runtime.CompilerServices;

using System.Runtime.InteropServices;

using System.Threading;

using System.Threading.Tasks;

using UnityEngine;

using UnityEngine.Networking;

#if UNITY_WEBGL && !UNITY_EDITOR

public class WebGlBlsCryptography : IBlsCryptography

{

public bool VerifySignature(byte[] publicKey, byte[] messageHash, byte[] signature)

{

string publicKeyHex = ToHexString(publicKey);

string messageHashHex = ToHexString(messageHash);

string signatureHex = ToHexString(signature);

return BrowserBlsLib.VerifySignature(publicKeyHex, messageHashHex, signatureHex);

}

public static string ToHexString(byte[] bytes)

{

char[] stringValue = new char[bytes.Length * 2];

int i = 0;

foreach (byte b in bytes)

{

int charIndex = i++ * 2;

int quotient = Math.DivRem(b, 16, out int remainder);

stringValue[charIndex] = GetChar(quotient);

stringValue[charIndex + 1] = GetChar(remainder);

}

return new string(stringValue); // returns: "48656C6C6F20776F726C64" for "Hello world"

}

private static char GetChar(int value)

{

if (value < 10)

{

return (char)(value + 48); // 0->9

}

return (char)(value + 65 - 10); // A->F ASCII

}

}

internal static class BrowserBlsLib

{

[DllImport("__Internal")]

public static extern bool VerifySignature(string publicKeyHex, string messageHashHex, string signatureHex);

}

#endif