Add Privy type wallet

src/Managing.Infrastructure.Web3/Services/PrivyService.cs

@@ -0,0 +1,85 @@
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Text;
+using System.Text.Json;
+using Managing.Infrastructure.Evm.Abstractions;
+using Managing.Infrastructure.Evm.Models;
+
+public class PrivyService : IPrivyService
+{
+    private readonly HttpClient _privyClient;
+    private readonly string _appId;
+    private readonly string _appSecret;
+
+    public PrivyService(IPrivySettings settings)
+    {
+        _privyClient = new HttpClient();
+        _appId = settings.AppId;
+        _appSecret = settings.AppSecret;
+
+        ConfigureHttpClient();
+    }
+
+    private void ConfigureHttpClient()
+    {
+        _privyClient.BaseAddress = new Uri("https://api.privy.io/");
+        var authToken = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{_appId}:{_appSecret}"));
+        // _privyClient.DefaultRequestHeaders.Authorization =
+        //     new AuthenticationHeaderValue("Basic", $"{_appId}:{_appSecret}");
+        _privyClient.DefaultRequestHeaders.Add("privy-app-id", _appId);
+        // add custom header 
+        _privyClient.DefaultRequestHeaders.Add("Authorization", authToken);
+        _privyClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+    }
+
+    public async Task<PrivyWallet> CreateWalletAsync(string chainType = "ethereum")
+    {
+        try
+        {
+            var json = JsonSerializer.Serialize(new { chain_type = chainType });
+            var content = new StringContent(json, Encoding.UTF8, "application/json");
+
+            var response = await _privyClient.PostAsJsonAsync("/v1/wallets", content);
+
+            var result = new PrivyWallet();
+
+            if (response.IsSuccessStatusCode)
+            {
+                result = await response.Content.ReadFromJsonAsync<PrivyWallet>();
+            }
+            else
+            {
+                throw new Exception(await response.Content.ReadAsStringAsync());
+            }
+
+            return result;
+        }
+        catch (Exception ex)
+        {
+            throw new Exception(ex.Message);
+        }
+    }
+
+    public async Task<HttpResponseMessage> SendTransactionAsync(string walletId, string recipientAddress, long value,
+        string caip2 = "eip155:84532")
+    {
+        var requestBody = new
+        {
+            method = "eth_sendTransaction",
+            caip2,
+            @params = new
+            {
+                transaction = new
+                {
+                    to = recipientAddress,
+                    value
+                }
+            }
+        };
+
+        return await _privyClient.PostAsJsonAsync(
+            $"/v1/wallets/{walletId}/rpc",
+            requestBody
+        );
+    }
+}