Merge changes for v1.0-beta-13.

README.md

@@ -25,7 +25,7 @@ You can include the library from either Maven Central or Jitpack.
 You can include the library in the common source set like this:
 ```kotlin
 dependencies {
-    implementation("io.github.kotlingeekdev:rhodium:1.0-beta-12")
+    implementation("io.github.kotlingeekdev:rhodium:1.0-beta-13")
 
 }
 ```
@@ -74,7 +74,7 @@ then, in your module's `build.gradle(.kts)`, you need to add:
 // build.gradle.kts
 dependencies {
     //...
-    implementation("com.github.KotlinGeekDev.Rhodium:rhodium:1.0-beta-12")
+    implementation("com.github.KotlinGeekDev.Rhodium:rhodium:1.0-beta-13")
 
 
 }
@@ -85,7 +85,7 @@ If you're including it in an Android app, you can just add:
 // app/build.gradle.kts
 dependencies {
     //...
-    implementation("com.github.KotlinGeekDev.Rhodium:rhodium-android:1.0-beta-12")
+    implementation("com.github.KotlinGeekDev.Rhodium:rhodium-android:1.0-beta-13")
 
 }
 ```

build.gradle.kts

@@ -31,7 +31,7 @@ allprojects {
     val isJitpack = System.getenv("JITPACK") == "true"
 
     group = "io.github.kotlingeekdev"
-    version = "1.0-beta-12"
+    version = "1.0-beta-13"
 
 
 //    val javadocJar = tasks.register<Jar>("javadocJar") {

rhodium-core/src/commonMain/kotlin/rhodium/net/NostrService.kt

@@ -243,6 +243,35 @@ class NostrService(
         return potentialResults.maxBy { it.creationDate }
     }
 
+    suspend fun fetchRelayListFor(profileHex: String, fetchRelays: List<String>): List<Relay> {
+        val relayListRequest = RequestMessage.singleFilterRequest(
+            filter = NostrFilter.newFilter()
+                .kinds(EventKind.RELAY_LIST.kind)
+                .authors(profileHex)
+                .limit(1)
+                .build()
+        )
+        val potentialResults = if (fetchRelays.isEmpty())
+            requestWithResult(relayListRequest) else requestWithResult(relayListRequest, fetchRelays.map { Relay(it) })
+
+        val mostUpdatedRelayList = potentialResults.maxBy { it.creationDate }
+        val potentialRelays = mostUpdatedRelayList.tags.filter { tag -> tag.identifier == "r" }
+        if (potentialRelays.isEmpty()) {
+            return emptyList()
+        }
+        else {
+            val relays = potentialRelays.map { relayTag ->
+                Relay(
+                    relayTag.description,
+                    readPolicy = if (relayTag.content == null) true else relayTag.content.contentEquals("read"),
+                    writePolicy = if (relayTag.content == null) true else relayTag.content.contentEquals("write")
+                )
+            }
+
+            return relays
+        }
+    }
+
     fun clearRelayPool() {
         relayPool.clearPool()
     }

rhodium-core/src/commonMain/kotlin/rhodium/nostr/relay/Relay.kt

@@ -10,4 +10,8 @@ class Relay(
             return Relay(address)
         }
     }
+
+    override fun toString(): String {
+        return "Relay(url=$relayURI, read=$readPolicy, write=$writePolicy)"
+    }
 }