Add OpReturnDataIsHex in build-tx-request to store hex bytes

src/Features/Blockcore.Features.Wallet/Api/Controllers/WalletController.cs

@@ -23,6 +23,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 using NBitcoin;
+using NBitcoin.DataEncoders;
 
 namespace Blockcore.Features.Wallet.Api.Controllers
 {
@@ -421,6 +422,35 @@ public IActionResult GetHistory([FromQuery] WalletHistoryRequest request)
             }
         }
 
+        /// <summary>
+        /// Gets the history of a wallet with reduced metadata. Note: This method will filter out transactions sent to self wallet.
+        /// </summary>
+        /// <param name="request">An object containing the parameters used to retrieve a wallet's history.</param>
+        /// <returns>A JSON object containing the wallet history.</returns>
+        [Route("history/slim")]
+        [HttpGet]
+        public IActionResult GetHistorySlim([FromQuery] WalletHistoryRequest request)
+        {
+            Guard.NotNull(request, nameof(request));
+
+            if (!this.ModelState.IsValid)
+            {
+                return ModelStateErrors.BuildErrorResponse(this.ModelState);
+            }
+
+            try
+            {
+                WalletHistoryModel model = WalletModelBuilder.GetHistorySlim(this.walletManager, this.network, request);
+
+                return this.Json(model);
+            }
+            catch (Exception e)
+            {
+                this.logger.LogError("Exception occurred: {0}", e.ToString());
+                return ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString());
+            }
+        }
+
         /// <summary>
         /// Gets the balance of a wallet in STRAT (or sidechain coin). Both the confirmed and unconfirmed balance are returned.
         /// </summary>
@@ -629,13 +659,18 @@ public IActionResult GetTransactionFeeEstimate([FromBody] TxFeeEstimateRequest r
                     });
                 }
 
+                var (opReturnRawData, isValid) = request.OpReturnDataIsHex ? TryGetHexValue(request.OpReturnData) : (null, true);
+                if (!isValid)
+                    return ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, "Hex OpReturn error.", "The OpReturnData is set as a hex value and could not be decoded");
+
                 var context = new TransactionBuildContext(this.network)
                 {
                     AccountReference = new WalletAccountReference(request.WalletName, request.AccountName),
                     FeeType = FeeParser.Parse(request.FeeType),
                     MinConfirmations = request.AllowUnconfirmed ? 0 : 1,
                     Recipients = recipients,
                     OpReturnData = request.OpReturnData,
+                    OpReturnRawData = opReturnRawData,
                     OpReturnAmount = string.IsNullOrEmpty(request.OpReturnAmount) ? null : Money.Parse(request.OpReturnAmount),
                     Sign = false
                 };
@@ -698,13 +733,18 @@ public IActionResult BuildTransaction([FromBody] BuildTransactionRequest request
                     }
                 }
 
+                var (opReturnRawData, isValid) = request.OpReturnDataIsHex ? TryGetHexValue(request.OpReturnData) : (null, true);
+                if (!isValid)
+                    return ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, "Hex OpReturn error.", "The OpReturnData is set as a hex value and could not be decoded");
+
                 var context = new TransactionBuildContext(this.network)
                 {
                     AccountReference = new WalletAccountReference(request.WalletName, request.AccountName),
                     TransactionFee = string.IsNullOrEmpty(request.FeeAmount) ? null : Money.Parse(request.FeeAmount),
                     MinConfirmations = request.AllowUnconfirmed ? 0 : 1,
                     Shuffle = request.ShuffleOutputs ?? true, // We shuffle transaction outputs by default as it's better for anonymity.
                     OpReturnData = request.OpReturnData,
+                    OpReturnRawData = opReturnRawData,
                     OpReturnAmount = string.IsNullOrEmpty(request.OpReturnAmount) ? null : Money.Parse(request.OpReturnAmount),
                     WalletPassword = request.Password,
                     SelectedInputs = request.Outpoints?.Select(u => new OutPoint(uint256.Parse(u.TransactionId), u.Index)).ToList(),
@@ -1602,5 +1642,17 @@ private void SyncFromBestHeightForRecoveredWallets(DateTime walletCreationDate)
                 this.walletSyncManager.SyncFromHeight(blockHeightToSyncFrom);
             }
         }
+
+        private (byte[], bool) TryGetHexValue(string hexString)
+        {
+            try
+            {
+                return (Encoders.Hex.DecodeData(hexString), true);
+            }
+            catch
+            {
+                return (null, false);
+            }
+        }        
     }
-}
+}

src/Features/Blockcore.Features.Wallet/Api/Models/RequestModels.cs

@@ -328,6 +328,11 @@ public TxFeeEstimateRequest()
         /// </summary>       
         public string OpReturnData { get; set; }
 
+        /// <summary>
+        /// Sets if the OpReturnData is a hex value and must be decoded
+        /// </summary>
+        public bool OpReturnDataIsHex { get; set; }
+
         /// <summary>
         /// The funds in STRAT (or a sidechain coin) to include with the OP_RETURN output. Currently, specifying
         /// some funds helps OP_RETURN outputs be relayed around the network.

src/Networks/Blockcore.Networks.OpenExo/OpenExoSetup.cs

@@ -80,8 +80,14 @@ internal class OpenExoSetup
                 { 400000, new CheckpointInfo(new uint256("0x78da79e80c94c2a175276eb4b903a15395d4213e8814d1f1fabc225e05c56e69"), new uint256("0xc7179fa14c296ebc661f2f1db32d4492cc176d86fe64ad14fb2058ac0f132294")) },
                 { 450000, new CheckpointInfo(new uint256("0xfaa749cba84d1111affe61cb8c14ba43a452a265a136066554a22cfa14cabfcd"), new uint256("0x651884ceb30069212c90b5fb3a11d2e6263c0a5c76d6b9b92274ffd6cb3b8fea")) },
                 { 600000, new CheckpointInfo(new uint256("0xa4bf14b94da99b72abafb66624e0f238bef68f9141f79f811f618d67bd8149d1"), new uint256("0x99199a7ac240838d58e362e834e43fc52b74e146f84ce3d879d4c213a4799745")) },
-                { 790000, new CheckpointInfo(new uint256("0x11610eefff99c06e8fe4667adb07f8598c339ed04e6eed5414b115fb7d4cfd49"), new uint256("0x46cb091b43846e21b547ebf3787deab210628919421180d4cc8275d276fe1cda")) }
-
+                { 790000, new CheckpointInfo(new uint256("0x11610eefff99c06e8fe4667adb07f8598c339ed04e6eed5414b115fb7d4cfd49"), new uint256("0x46cb091b43846e21b547ebf3787deab210628919421180d4cc8275d276fe1cda")) },
+                { 900000, new CheckpointInfo(new uint256("0x960369823996b14b7f08b876e8f95378119831ce81a72886434c9fd41d04c580"), new uint256("0x019aec9d3716f63d5c645b860b752e1699f176eaa4830e2daeb4fa1831b119d1")) },
+                { 1000000, new CheckpointInfo(new uint256("0x1a1fc554ec11796d1c98a674ebd419db9abeba14419b97964f3ce357986d0350"), new uint256("0x8f9b2589afadc9e1f56e6cc216f3feb267339a825b9fcbb36f25c90edac8f0bd")) },
+                { 1300000, new CheckpointInfo(new uint256("0x260b7433a7c72694f57f2e0ea6821f5ab33afea3c567f9845c8a989eb443f9d4"), new uint256("0x79f20f2a22bb3c8a0808e6d5e0daa7d8ce0ecbefcd1d842fa2e5a23e14b22d45")) },
+                { 1355000, new CheckpointInfo(new uint256("0x890101f0f9b4c16c39eafeca5aa744772b7612eb003583200a5836cbb0acb332"), new uint256("0x5c34eb0ef4759118e720bdc57a72ffe4d8d4048e2706d053f420e2a2c399fe6c")) },
+                { 1401000, new CheckpointInfo(new uint256("0x9eb2e4d7650f401e5d27af3fd66848c3318e7a2a660d44b3c8196ab0c956e074"), new uint256("0xff4fd825959265782056f501e68406dcc50e2fe9bc9f82d773f26a6318cf1529")) },
+                { 1464600, new CheckpointInfo(new uint256("0xb2fbdc8e6d87a8a3a5322e32939fb9c1c06527f5edfc818a500122985360763e"), new uint256("0x364d3e3cfe66fced6b101d8240106af46b951c500b20223b0ea23c47d51127ea")) },
+                { 1567000, new CheckpointInfo(new uint256("0xd2bd6c7a2dec44a739d25cc669245107a97474abcfc8f94367fcbd19b829d28f"), new uint256("0x60c7ae802655cc063061e9d15a05444db0aa742f54dde3f4bdbca70670792737")) }
             }
         };