Merge branch 'main' of https://github.com/xmtp/xmtp-ios into gg/bugfi…

…x/conversations_with_invalid_topics

Sources/XMTP/Client.swift

@@ -192,6 +192,18 @@ public final class Client: Sendable {
 	public func canMessage(_ peerAddress: String) async throws -> Bool {
 		return try await query(topic: .contact(peerAddress)).envelopes.count > 0
 	}
+
+    public static func canMessage(_ peerAddress: String, options: ClientOptions? = nil) async throws -> Bool {
+        let options = options ?? ClientOptions()
+
+        let client = try await XMTPRust.create_client(GRPCApiClient.envToUrl(env: options.api.env), options.api.env != .local)
+        let apiClient = try GRPCApiClient(
+          environment: options.api.env,
+          secure: options.api.isSecure,
+          rustClient: client
+        )
+        return try await apiClient.query(topic: .contact(peerAddress)).envelopes.count > 0
+    }
 
 	public func importConversation(from conversationData: Data) throws -> Conversation? {
 		let jsonDecoder = JSONDecoder()

Tests/XMTPTests/ClientTests.swift

@@ -30,6 +30,20 @@ class ClientTests: XCTestCase {
 		XCTAssertFalse(cannotMessage)
 	}
 
+    func testStaticCanMessage() async throws {
+        try TestConfig.skip(because: "run manually against local")
+        let opts = ClientOptions(api: ClientOptions.Api(env: .local, isSecure: false))
+
+        let aliceWallet = try PrivateKey.generate()
+        let notOnNetwork = try PrivateKey.generate()
+        let alice = try await Client.create(account: aliceWallet, options: opts)
+
+        let canMessage = try await Client.canMessage(alice.address, options: opts)
+        let cannotMessage = try await Client.canMessage(notOnNetwork.address, options: opts)
+        XCTAssertTrue(canMessage)
+        XCTAssertFalse(cannotMessage)
+    }
+
 	func testHasPrivateKeyBundleV1() async throws {
 		let fakeWallet = try PrivateKey.generate()
 		let client = try await Client.create(account: fakeWallet, apiClient: FakeApiClient())