add timestamp limits to getTransactions

NBXplorer/Backend/Repository.cs

@@ -742,16 +742,33 @@ public async Task<SavedTransaction[]> GetSavedTransactions(uint256 txid)
 			}};
 		}
 
-		public async Task<TrackedTransaction[]> GetTransactions(TrackedSource trackedSource, uint256 txId = null, bool includeTransactions = true, CancellationToken cancellation = default)
+		public async Task<TrackedTransaction[]> GetTransactions(
+			TrackedSource trackedSource,
+			uint256 txId = null,
+			bool includeTransactions = true,
+			ulong? fromSeen = null,
+			ulong? toSeen = null,
+			CancellationToken cancellation = default)
 		{
 			await using var connection = await connectionFactory.CreateConnectionHelper(Network);
 			var tip = await connection.GetTip();
 			var txIdCond = txId is null ? string.Empty : " AND tx_id=@tx_id";
+
+			var fromSeenCond = fromSeen is null ? string.Empty : " AND seen_at>=@fromSeen"; 
+			var toSeenCond = toSeen is null ? string.Empty : " AND seen_at<=@toSeen";
+
 			var utxos = await
 				connection.Connection.QueryAsync<(string tx_id, long idx, string blk_id, long? blk_height, int? blk_idx, bool is_out, string spent_tx_id, long spent_idx, string script, string addr, long value, string asset_id, bool immature, string keypath, DateTime seen_at)>(
 				"SELECT tx_id, idx, blk_id, blk_height, blk_idx, is_out, spent_tx_id, spent_idx, script, s.addr, value, asset_id, immature, keypath, seen_at " +
 				"FROM nbxv1_tracked_txs LEFT JOIN scripts s USING (code, script) " +
-				$"WHERE code=@code AND wallet_id=@walletId{txIdCond}", new { code = Network.CryptoCode, walletId = GetWalletKey(trackedSource).wid, tx_id = txId?.ToString() });
+				$"WHERE code=@code AND wallet_id=@walletId{txIdCond}{fromSeenCond}{toSeenCond}", new {
+					code = Network.CryptoCode,
+					walletId = GetWalletKey(trackedSource).wid,
+					tx_id = txId?.ToString(),
+					fromSeen = NBitcoin.Utils.UnixTimeToDateTime(fromSeen ?? 0),
+					toSeen = NBitcoin.Utils.UnixTimeToDateTime(toSeen ?? 0)
+					}
+				);
 			utxos.TryGetNonEnumeratedCount(out int c);
 			var trackedById = new Dictionary<string, TrackedTransaction>(c);
 			foreach (var utxo in utxos)

NBXplorer/Controllers/MainController.cs

@@ -523,7 +523,10 @@ public async Task<IActionResult> GetTransactions(
 			TrackedSourceContext trackedSourceContext,
 			[ModelBinder(BinderType = typeof(UInt256ModelBinding))]
 			uint256 txId = null,
-			bool includeTransaction = true)
+			bool includeTransaction = true,
+			ulong? fromSeen = null,
+			ulong? toSeen = null
+			)
 		{
 			TransactionInformation fetchedTransactionInfo = null;
 			var network = trackedSourceContext.Network;
@@ -533,7 +536,7 @@ public async Task<IActionResult> GetTransactions(
 			var response = new GetTransactionsResponse();
 			int currentHeight = (await repo.GetTip()).Height;
 			response.Height = currentHeight;
-			var txs = await GetAnnotatedTransactions(repo, trackedSource, includeTransaction, txId);
+			var txs = await GetAnnotatedTransactions(repo, trackedSource, includeTransaction, txId, fromSeen, toSeen);
 			foreach (var item in new[]
 			{
 					new
@@ -717,9 +720,16 @@ public async Task<IActionResult> Rescan(TrackedSourceContext trackedSourceContex
 			}
 		}
 
-		internal async Task<AnnotatedTransactionCollection> GetAnnotatedTransactions(Repository repo, TrackedSource trackedSource, bool includeTransaction, uint256 txId = null)
+		internal async Task<AnnotatedTransactionCollection> GetAnnotatedTransactions(
+			Repository repo,
+			TrackedSource trackedSource,
+			bool includeTransaction,
+			uint256 txId = null,
+			ulong? fromSeen = null,
+			ulong? toSeen = null
+		)
 		{
-			var transactions = await repo.GetTransactions(trackedSource, txId, includeTransaction, this.HttpContext?.RequestAborted ?? default);
+			var transactions = await repo.GetTransactions(trackedSource, txId, includeTransaction, fromSeen, toSeen, this.HttpContext?.RequestAborted ?? default);
 
 			// If the called is interested by only a single txId, we need to fetch the parents as well
 			if (txId != null)

docs/API.md

@@ -318,6 +318,10 @@ Optional Parameters:
 
 * `includeTransaction` includes the hex of the transaction, not only information (default: true)
 
+* `fromSeen` indicates the earliest date from which transactions should be retrieved, (default: null, unix time)
+
+* `toSeen` indicates the latest date up to which transactions should be retrieved, (default: null, unix time)
+
 Returns:
 
 ```json
@@ -376,6 +380,10 @@ Optional Parameters:
 
 * `includeTransaction` includes the hex of the transaction, not only information (default: true)
 
+* `fromSeen` indicates the earliest date from which transactions should be retrieved, (default: null, unix time)
+
+* `toSeen` indicates the latest date up to which transactions should be retrieved, (default: null, unix time)
+
 Error codes:
 
 * HTTP 404: Transaction not found