Update to v0.21.1

Author: Synesso

CHANGELOG.md

@@ -4,6 +4,10 @@ As this project is pre 1.0, breaking changes may happen for minor version bumps.
 
 ## Next Version
 
+## 0.21.1
+
+- Fix [#476](https://github.com/Synesso/scala-stellar-sdk/issues/476): Reinstate cursor for horizon queries 
+
 ## 0.21.0
 
 - Updated `AssetResponse` to include more detailed information about balances for the specified asset.

README.md

@@ -18,7 +18,7 @@ Add the JitPack & jcenter resolvers and the [latest dependency](https://jitpack.
 ```scala
 resolvers += "jitpack" at "https://jitpack.io"
 resolvers += Resolver.jcenterRepo
-libraryDependencies += "com.github.synesso" %% "scala-stellar-sdk" % "0.21.0"
+libraryDependencies += "com.github.synesso" %% "scala-stellar-sdk" % "0.21.1"
 ```
 
 From there, it is a simple affair to create and fund a new account on the test network.

src/it/scala/stellar/sdk/HelloWorld.scala

@@ -0,0 +1,37 @@
+package stellar.sdk
+
+import stellar.sdk.PublicNetwork
+import stellar.sdk.model.{Asc, Desc, Now, Trade}
+
+import java.time.ZonedDateTime
+import scala.concurrent.{Await, Future}
+import scala.concurrent.ExecutionContext.Implicits.global
+import scala.concurrent.duration.{Duration, DurationInt}
+
+object HelloWorld extends App {
+  def traverseStream[A, B](in: LazyList[A])(fn: A => Future[B]): Future[LazyList[B]] = {
+    in match {
+      case LazyList.cons(head, tail) =>
+        for {
+          newHead <- fn(head)
+          newTail <- traverseStream(tail)(fn)
+        } yield newHead #:: newTail
+      case _ =>
+        Future.successful(LazyList.empty)
+    }
+  }
+
+  // Works
+  for {
+    trades <- PublicNetwork.trades(Now, Asc)
+  } yield {
+    val result = traverseStream(trades) {
+      case Trade(id, time, offerId, baseOfferId, counterOfferId, _, _, _, _, _) => {
+        Future.successful(System.out.println(s"New trade coming in Trade($id, $time, $offerId)"))
+      }
+    }
+    val stream = Await.result(result, Duration.Inf)
+  }
+
+  val timeWindow = ZonedDateTime.now().minusMinutes(65)
+}