feat: migrate nodeAliasCache to room

2026-06-01 23:59:42 +02:00
parent 38c6c6f723
commit 93332dc683
12 changed files with 166 additions and 180 deletions
@@ -0,0 +1,53 @@
+package com.bitcointxoko.gudariwallet.api
+
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+
+/**
+ * Resolves a Lightning node pubkey to a human-readable alias.
+ * Tries mempool.space first, falls back to 1ml.com.
+ * Returns null if neither source has the node or both fail.
+ */
+class NodeAliasClient {
+
+    private val client = OkHttpClient.Builder()
+        .connectTimeout(5, TimeUnit.SECONDS)
+        .readTimeout(5, TimeUnit.SECONDS)
+        .build()
+
+    private val mempoolApi: MempoolApi = Retrofit.Builder()
+        .baseUrl("https://mempool.space/")
+        .client(client)
+        .addConverterFactory(GsonConverterFactory.create())
+        .build()
+        .create(MempoolApi::class.java)
+
+    private val oneMlApi: OneMlApi = Retrofit.Builder()
+        .baseUrl("https://1ml.com/")
+        .client(client)
+        .addConverterFactory(GsonConverterFactory.create())
+        .build()
+        .create(OneMlApi::class.java)
+
+    suspend fun resolveAlias(pubkey: String): String? {
+        if (pubkey.isBlank()) return null
+
+        // 1. Try mempool.space
+        runCatching { mempoolApi.getNode(pubkey) }
+            .onSuccess { response ->
+                val alias = response.alias?.takeIf { it.isNotBlank() }
+                if (alias != null) return alias
+            }
+
+        // 2. Fall back to 1ml.com
+        runCatching { oneMlApi.getNode(pubkey) }
+            .onSuccess { response ->
+                val alias = response.alias?.takeIf { it.isNotBlank() }
+                if (alias != null) return alias
+            }
+
+        return null
+    }
+}