Rename Namespaces, use Globals (#6)

* feat: rename of namespaces * feat: use Globals instad of Config in ValidateSubscription * feat: reference to Lean\Tests * refactor: missed Lean in namespaces * fix: workflow dotnet test path to dll * feat: init globals providers * feat: return null in GetHistory * feat: missed resolution warning flag rename: make more sense of variables
QuantConnect · Feb 27, 2024 · cbacfbb · cbacfbb
1 parent 3fed7cc
commit cbacfbb
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Showing 12 changed files with 104 additions and 93 deletions.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -46,11 +46,11 @@ jobs:
           image: quantconnect/lean:foundation
           options: -v /home/runner/work:/__w --workdir /__w/Lean.DataSource.AlphaVantage/Lean.DataSource.AlphaVantage -e QC_JOB_USER_ID=${{ secrets.QC_JOB_USER_ID }} -e QC_API_ACCESS_TOKEN=${{ secrets.QC_API_ACCESS_TOKEN }} -e QC_JOB_ORGANIZATION_ID=${{ secrets.QC_JOB_ORGANIZATION_ID }} -e QC_ALPHA_VANTAGE_API_KEY=${{ secrets.QC_ALPHA_VANTAGE_API_KEY }}
 
-      - name: Build QuantConnect.AlphaVantage
-        run: dotnet build ./QuantConnect.AlphaVantage/QuantConnect.AlphaVantage.csproj /p:Configuration=Release /v:quiet /p:WarningLevel=1
+      - name: Build QuantConnect.DataSource.AlphaVantage
+        run: dotnet build ./QuantConnect.AlphaVantage/QuantConnect.DataSource.AlphaVantage.csproj /p:Configuration=Release /v:quiet /p:WarningLevel=1
 
-      - name: Build QuantConnect.AlphaVantage.Tests
-        run: dotnet build ./QuantConnect.AlphaVantage.Tests/QuantConnect.AlphaVantage.Tests.csproj /p:Configuration=Release /v:quiet /p:WarningLevel=1
+      - name: Build QuantConnect.DataSource.AlphaVantage.Tests
+        run: dotnet build ./QuantConnect.AlphaVantage.Tests/QuantConnect.DataSource.AlphaVantage.Tests.csproj /p:Configuration=Release /v:quiet /p:WarningLevel=1
 
-      - name: Run QuantConnect.AlphaVantage.Tests
-        run: dotnet test ./QuantConnect.AlphaVantage.Tests/bin/Release/QuantConnect.AlphaVantage.Tests.dll
+      - name: Run QuantConnect.DataSource.AlphaVantage.Tests
+        run: dotnet test ./QuantConnect.AlphaVantage.Tests/bin/Release/QuantConnect.Lean.DataSource.AlphaVantage.Tests.dll
diff --git a/Lean.DataSource.AlphaVantage.sln b/Lean.DataSource.AlphaVantage.sln
@@ -3,9 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.002.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuantConnect.AlphaVantage", "QuantConnect.AlphaVantage\QuantConnect.AlphaVantage.csproj", "{0230D4D2-9D1B-42AF-A17C-6B7ADE5F6CC1}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuantConnect.DataSource.AlphaVantage", "QuantConnect.AlphaVantage\QuantConnect.DataSource.AlphaVantage.csproj", "{0230D4D2-9D1B-42AF-A17C-6B7ADE5F6CC1}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuantConnect.AlphaVantage.Tests", "QuantConnect.AlphaVantage.Tests\QuantConnect.AlphaVantage.Tests.csproj", "{C7B6B18A-92D8-4CE7-86AE-9DB5A1BBA27D}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuantConnect.DataSource.AlphaVantage.Tests", "QuantConnect.AlphaVantage.Tests\QuantConnect.DataSource.AlphaVantage.Tests.csproj", "{C7B6B18A-92D8-4CE7-86AE-9DB5A1BBA27D}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

diff --git a/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderAdditionalTests.cs b/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderAdditionalTests.cs
@@ -17,7 +17,7 @@
 using NUnit.Framework;
 using QuantConnect.Configuration;
 
-namespace QuantConnect.AlphaVantage.Tests
+namespace QuantConnect.Lean.DataSource.AlphaVantage.Tests
 {
     [TestFixture]
     public class AlphaVantageDataDownloaderAdditionalTests

diff --git a/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderMockTests.cs b/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderMockTests.cs
@@ -22,7 +22,7 @@
 using QuantConnect.Data.Market;
 using System.Collections.Generic;
 
-namespace QuantConnect.AlphaVantage.Tests
+namespace QuantConnect.Lean.DataSource.AlphaVantage.Tests
 {
     [TestFixture]
     public class AlphaVantageDataDownloaderMockTests
@@ -34,6 +34,16 @@ public class AlphaVantageDataDownloaderMockTests
         private AlphaVantageDataDownloader _downloader;
         private readonly TradeBarComparer _tradeBarComparer = new TradeBarComparer();
 
+        private Symbol AAPL;
+        private Symbol IBM;
+
+        [OneTimeSetUp]
+        public void OneTimeSetUp()
+        {
+            AAPL = new Symbol(SecurityIdentifier.GenerateEquity("AAPL", Market.USA, false), "AAPL");
+            IBM = new Symbol(SecurityIdentifier.GenerateEquity("IBM", Market.USA, false), "IBM");
+        }
+
         [SetUp]
         public void SetUp()
         {
@@ -46,7 +56,7 @@ public void SetUp()
         [TearDown]
         public void TearDown()
         {
-            if (_downloader != null ) 
+            if (_downloader != null)
             {
                 _downloader.Dispose();
             }
@@ -55,16 +65,14 @@ public void TearDown()
         [Test]
         public void GetDailyLessThan100DaysGetsCompactDailyData()
         {
-            var ticker = "AAPL";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var resolution = Resolution.Daily;
             var start = new DateTime(2021, 4, 4);
             var end = new DateTime(2021, 7, 12);
 
             var expectedBars = new[]
             {
-                new TradeBar(DateTime.Parse("2021-04-05"), symbol, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
-                new TradeBar(DateTime.Parse("2021-04-06"), symbol, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
+                new TradeBar(DateTime.Parse("2021-04-05"), AAPL, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
+                new TradeBar(DateTime.Parse("2021-04-06"), AAPL, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
             };
 
             IRestRequest request = null;
@@ -80,7 +88,7 @@ public void GetDailyLessThan100DaysGetsCompactDailyData()
                 })
                 .Verifiable();
 
-            var result = _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end));
+            var result = _downloader.Get(new DataDownloaderGetParameters(AAPL, resolution, start, end));
 
             _avClient.Verify();
             var requestUrl = BuildUrl(request);
@@ -97,16 +105,14 @@ public void GetDailyLessThan100DaysGetsCompactDailyData()
         [Test]
         public void GetDailyGreaterThan100DaysGetsFullDailyData()
         {
-            var ticker = "AAPL";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var resolution = Resolution.Daily;
             var start = new DateTime(2021, 4, 4);
             var end = new DateTime(2024, 1, 1);
 
             var expectedBars = new[]
             {
-                new TradeBar(DateTime.Parse("2021-04-05"), symbol, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
-                new TradeBar(DateTime.Parse("2021-04-06"), symbol, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
+                new TradeBar(DateTime.Parse("2021-04-05"), AAPL, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
+                new TradeBar(DateTime.Parse("2021-04-06"), AAPL, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
             };
 
             IRestRequest request = null;
@@ -122,7 +128,7 @@ public void GetDailyGreaterThan100DaysGetsFullDailyData()
                 })
                 .Verifiable();
 
-            var result = _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end));
+            var result = _downloader.Get(new DataDownloaderGetParameters(AAPL, resolution, start, end));
 
             _avClient.Verify();
             var requestUrl = BuildUrl(request);
@@ -140,18 +146,16 @@ public void GetDailyGreaterThan100DaysGetsFullDailyData()
         [TestCase(Resolution.Hour, "60min")]
         public void GetMinuteHourGetsIntradayData(Resolution resolution, string interval)
         {
-            var ticker = "IBM";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var year = DateTime.UtcNow.Year - 1;
             var start = new DateTime(year, 04, 05, 0, 0, 0);
             var end = new DateTime(year, 05, 06, 15, 0, 0);
 
             var expectedBars = new[]
             {
-                new TradeBar(start.AddHours(9.5), symbol, 133.71m, 133.72m, 133.62m, 133.62m, 1977),
-                new TradeBar(start.AddHours(10.5), symbol, 134.30m, 134.56m, 134.245m, 134.34m, 154723),
-                new TradeBar(end.AddHours(-5.5), symbol, 135.54m, 135.56m, 135.26m, 135.28m, 2315),
-                new TradeBar(end.AddHours(-4.5), symbol, 134.905m,134.949m, 134.65m, 134.65m, 101997),
+                new TradeBar(start.AddHours(9.5), IBM, 133.71m, 133.72m, 133.62m, 133.62m, 1977),
+                new TradeBar(start.AddHours(10.5), IBM, 134.30m, 134.56m, 134.245m, 134.34m, 154723),
+                new TradeBar(end.AddHours(-5.5), IBM, 135.54m, 135.56m, 135.26m, 135.28m, 2315),
+                new TradeBar(end.AddHours(-4.5), IBM, 134.905m,134.949m, 134.65m, 134.65m, 101997),
             };
 
             var responses = new[]
@@ -176,7 +180,7 @@ public void GetMinuteHourGetsIntradayData(Resolution resolution, string interval
                 })
                 .Verifiable();
 
-            var result = _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end)).ToList();
+            var result = _downloader.Get(new DataDownloaderGetParameters(IBM, resolution, start, end)).ToList();
 
             _avClient.Verify();
             Assert.AreEqual(2, requestUrls.Count);
@@ -195,21 +199,17 @@ public void GetMinuteHourGetsIntradayData(Resolution resolution, string interval
         [TestCase(Resolution.Second)]
         public void GetUnsupportedResolutionThrowsException(Resolution resolution)
         {
-            var ticker = "IBM";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var start = DateTime.UtcNow.AddMonths(-2);
             var end = DateTime.UtcNow;
 
-            Assert.Throws<ArgumentOutOfRangeException>(() => _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end)).ToList());
+            Assert.IsNull(_downloader.Get(new DataDownloaderGetParameters(IBM, resolution, start, end))?.ToList());
         }
 
         [TestCase(Resolution.Minute)]
         [TestCase(Resolution.Hour)]
         [TestCase(Resolution.Daily)]
         public void UnexpectedResponseContentTypeThrowsException(Resolution resolution)
         {
-            var ticker = "IBM";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var start = DateTime.UtcNow.AddMonths(-2);
             var end = DateTime.UtcNow;
 
@@ -221,22 +221,20 @@ public void UnexpectedResponseContentTypeThrowsException(Resolution resolution)
                 })
                 .Verifiable();
 
-            Assert.Throws<FormatException>(() => _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end)).ToList());
+            Assert.Throws<FormatException>(() => _downloader.Get(new DataDownloaderGetParameters(IBM, resolution, start, end)).ToList());
         }
 
         [Test]
         public void GetIntradayDataGreaterThanTwoYears()
         {
-            var ticker = "IBM";
-            var symbol = Symbol.Create(ticker, SecurityType.Equity, Market.USA);
             var resolution = Resolution.Minute;
             var start = new DateTime(2020, 4, 4);
             var end = new DateTime(2020, 6, 5);
 
             var expectedBars = new[]
             {
-                new TradeBar(DateTime.Parse("2020-04-05 7:34:00"), symbol, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
-                new TradeBar(DateTime.Parse("2020-04-05 7:35:00"), symbol, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
+                new TradeBar(DateTime.Parse("2020-04-05 7:34:00"), IBM, 133.64m, 136.69m, 133.40m, 135.93m, 5471616),
+                new TradeBar(DateTime.Parse("2020-04-05 7:35:00"), IBM, 135.58m, 135.64m, 134.09m, 134.22m, 3620964),
             };
 
             IRestRequest request = null;
@@ -257,7 +255,7 @@ public void GetIntradayDataGreaterThanTwoYears()
                 })
                 .Verifiable();
 
-            var result = _downloader.Get(new DataDownloaderGetParameters(symbol, resolution, start, end)).ToList();
+            var result = _downloader.Get(new DataDownloaderGetParameters(IBM, resolution, start, end)).ToList();
 
             _avClient.Verify();
             var requestUrl = BuildUrl(request);

diff --git a/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderTests.cs b/QuantConnect.AlphaVantage.Tests/AlphaVantageDataDownloaderTests.cs
@@ -21,7 +21,7 @@
 using QuantConnect.Data.Market;
 using System.Collections.Generic;
 
-namespace QuantConnect.AlphaVantage.Tests
+namespace QuantConnect.Lean.DataSource.AlphaVantage.Tests
 {
     [TestFixture]
     public class AlphaVantageDataDownloaderTests
@@ -57,13 +57,12 @@ public static IEnumerable<TestCaseData> DownloaderValidCaseData
         {
             get
             {
-                var symbol = Symbol.Create("AAPL", SecurityType.Equity, Market.USA);
-
-                yield return new TestCaseData(symbol, Resolution.Minute, new DateTime(2024, 1, 1, 5, 30, 0), new DateTime(2024, 2, 1, 20, 0, 0), TickType.Trade);
-                yield return new TestCaseData(symbol, Resolution.Minute, new DateTime(2024, 1, 8, 9, 30, 0), new DateTime(2024, 1, 12, 16, 0, 0), TickType.Trade);
-                yield return new TestCaseData(symbol, Resolution.Minute, new DateTime(2015, 2, 2, 9, 30, 0), new DateTime(2015, 3, 1, 16, 0, 0), TickType.Trade);
-                yield return new TestCaseData(symbol, Resolution.Hour, new DateTime(2023, 11, 8, 9, 30, 0), new DateTime(2024, 2, 2, 16, 0, 0), TickType.Trade);
-                yield return new TestCaseData(symbol, Resolution.Daily, new DateTime(2023, 1, 8, 9, 30, 0), new DateTime(2024, 2, 2, 16, 0, 0), TickType.Trade);
+                var AAPL = new Symbol(SecurityIdentifier.GenerateEquity("AAPL", Market.USA, false), "AAPL");
+                yield return new TestCaseData(AAPL, Resolution.Minute, new DateTime(2024, 1, 1, 5, 30, 0), new DateTime(2024, 2, 1, 20, 0, 0), TickType.Trade);
+                yield return new TestCaseData(AAPL, Resolution.Minute, new DateTime(2024, 1, 8, 9, 30, 0), new DateTime(2024, 1, 12, 16, 0, 0), TickType.Trade);
+                yield return new TestCaseData(AAPL, Resolution.Minute, new DateTime(2015, 2, 2, 9, 30, 0), new DateTime(2015, 3, 1, 16, 0, 0), TickType.Trade);
+                yield return new TestCaseData(AAPL, Resolution.Hour, new DateTime(2023, 11, 8, 9, 30, 0), new DateTime(2024, 2, 2, 16, 0, 0), TickType.Trade);
+                yield return new TestCaseData(AAPL, Resolution.Daily, new DateTime(2023, 1, 8, 9, 30, 0), new DateTime(2024, 2, 2, 16, 0, 0), TickType.Trade);
             }
         }
 
@@ -94,42 +93,33 @@ public static IEnumerable<TestCaseData> DownloaderInvalidCaseData
         {
             get
             {
-                var symbol = Symbol.Create("AAPL", SecurityType.Equity, Market.USA);
-
                 var startUtc = new DateTime(2024, 1, 1);
                 var endUtc = new DateTime(2024, 2, 1);
+                var AAPL = new Symbol(SecurityIdentifier.GenerateEquity("AAPL", Market.USA, false), "AAPL");
 
-                yield return new TestCaseData(symbol, Resolution.Minute, startUtc, endUtc, TickType.Quote, false)
+                yield return new TestCaseData(AAPL, Resolution.Minute, startUtc, endUtc, TickType.Quote)
                     .SetDescription($"Not supported {nameof(TickType.Quote)} -> empty result");
-                yield return new TestCaseData(symbol, Resolution.Minute, startUtc, endUtc, TickType.OpenInterest, false)
+                yield return new TestCaseData(AAPL, Resolution.Minute, startUtc, endUtc, TickType.OpenInterest)
                     .SetDescription($"Not supported {nameof(TickType.OpenInterest)} -> empty result");
-                yield return new TestCaseData(symbol, Resolution.Tick, startUtc, endUtc, TickType.Trade, true)
+                yield return new TestCaseData(AAPL, Resolution.Tick, startUtc, endUtc, TickType.Trade)
                     .SetDescription($"Not supported {nameof(Resolution.Tick)} -> throw Exception");
-                yield return new TestCaseData(symbol, Resolution.Second, startUtc, endUtc, TickType.Trade, true)
+                yield return new TestCaseData(AAPL, Resolution.Second, startUtc, endUtc, TickType.Trade)
                     .SetDescription($"Not supported {nameof(Resolution.Second)} -> throw Exception");
-                yield return new TestCaseData(symbol, Resolution.Minute, endUtc, startUtc, TickType.Trade, false)
+                yield return new TestCaseData(AAPL, Resolution.Minute, endUtc, startUtc, TickType.Trade)
                     .SetDescription("startDateTime > endDateTime -> empty result");
-                yield return new TestCaseData(Symbol.Create("USDJPY", SecurityType.Forex, Market.Oanda), Resolution.Minute, startUtc, endUtc, TickType.Trade, false)
+                yield return new TestCaseData(Symbol.Create("USDJPY", SecurityType.Forex, Market.Oanda), Resolution.Minute, startUtc, endUtc, TickType.Trade)
                     .SetDescription($"Not supported {nameof(SecurityType.Forex)} -> empty result");
-                yield return new TestCaseData(Symbol.Create("BTCUSD", SecurityType.Crypto, Market.Coinbase), Resolution.Minute, startUtc, endUtc, TickType.Trade, false)
+                yield return new TestCaseData(Symbol.Create("BTCUSD", SecurityType.Crypto, Market.Coinbase), Resolution.Minute, startUtc, endUtc, TickType.Trade)
                     .SetDescription($"Not supported {nameof(SecurityType.Crypto)} -> empty result");
             }
         }
 
         [TestCaseSource(nameof(DownloaderInvalidCaseData))]
-        public void DownloadDataWithDifferentInvalidParameters(Symbol symbol, Resolution resolution, DateTime start, DateTime end, TickType tickType, bool isThrowException)
+        public void DownloadDataWithDifferentInvalidParameters(Symbol symbol, Resolution resolution, DateTime start, DateTime end, TickType tickType)
         {
             var downloadParameters = new DataDownloaderGetParameters(symbol, resolution, start, end, tickType);
 
-            if (isThrowException)
-            {
-                Assert.Throws<ArgumentOutOfRangeException>(() => _downloader.Get(downloadParameters).ToList());
-                return;
-            }
-
-            var baseData = _downloader.Get(downloadParameters).ToList();
-
-            Assert.IsEmpty(baseData);
+            Assert.IsNull(_downloader.Get(downloadParameters)?.ToList());
         }
 
         private DateTime ConvertUtcTimeToSymbolExchange(Symbol symbol, DateTime dateTimeUtc)

diff --git a/...ts/QuantConnect.AlphaVantage.Tests.csproj → ...nect.DataSource.AlphaVantage.Tests.csproj b/...ts/QuantConnect.AlphaVantage.Tests.csproj → ...nect.DataSource.AlphaVantage.Tests.csproj
@@ -7,10 +7,10 @@
 		<IsPackable>false</IsPackable>
 		<TestProjectType>UnitTest</TestProjectType>
 		<OutputPath>bin\$(Configuration)\</OutputPath>
-		<Product>QuantConnect.AlphaVantage.Tests</Product>
-		<AssemblyName>QuantConnect.AlphaVantage.Tests</AssemblyName>
-		<RootNamespace>QuantConnect.AlphaVantage.Tests</RootNamespace>
-		<AssemblyTitle>QuantConnect.AlphaVantage.Tests</AssemblyTitle>
+		<Product>QuantConnect.Lean.DataSource.AlphaVantage.Tests</Product>
+		<AssemblyName>QuantConnect.Lean.DataSource.AlphaVantage.Tests</AssemblyName>
+		<RootNamespace>QuantConnect.Lean.DataSource.AlphaVantage.Tests</RootNamespace>
+		<AssemblyTitle>QuantConnect.Lean.DataSource.AlphaVantage.Tests</AssemblyTitle>
 		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
 	</PropertyGroup>
 
@@ -27,7 +27,8 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<ProjectReference Include="..\QuantConnect.AlphaVantage\QuantConnect.AlphaVantage.csproj" />
+		<ProjectReference Include="..\QuantConnect.AlphaVantage\QuantConnect.DataSource.AlphaVantage.csproj" />
+		<ProjectReference Include="..\..\Lean\Tests\QuantConnect.Tests.csproj" />
 	</ItemGroup>
 
 	<ItemGroup>

diff --git a/QuantConnect.AlphaVantage.Tests/TestSetup.cs b/QuantConnect.AlphaVantage.Tests/TestSetup.cs
@@ -18,10 +18,11 @@
 using System.IO;
 using NUnit.Framework;
 using System.Collections;
+using QuantConnect.Tests;
 using QuantConnect.Logging;
 using QuantConnect.Configuration;
 
-namespace QuantConnect.AlphaVantage.Tests
+namespace QuantConnect.Lean.DataSource.AlphaVantage.Tests
 {
     [SetUpFixture]
     public class TestSetup
@@ -61,6 +62,8 @@ private static void ReloadConfiguration()
 
             // resets the version among other things
             Globals.Reset();
+            // Initialize providers dependency
+            TestGlobals.Initialize();
         }
     }
 }
diff --git a/QuantConnect.AlphaVantage/AlphaVantageAuthenticator.cs b/QuantConnect.AlphaVantage/AlphaVantageAuthenticator.cs
@@ -16,7 +16,7 @@
 using RestSharp;
 using RestSharp.Authenticators;
 
-namespace QuantConnect.AlphaVantage
+namespace QuantConnect.Lean.DataSource.AlphaVantage
 {
     /// <summary>
     /// Implements authentication for Alpha Vantage API