From 62315f423c9c4e357c0322f2d58d2da8a7f80521 Mon Sep 17 00:00:00 2001
From: Chris Eager <chris@signal.org>
Date: Mon, 19 Apr 2021 18:15:23 -0500
Subject: [PATCH] Record duration of successful verifications

---
 .../textsecuregcm/controllers/AccountController.java         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java
index e2e4296d1..e3147bb9c 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java
@@ -15,6 +15,7 @@ import io.dropwizard.auth.Auth;
 import io.micrometer.core.instrument.Metrics;
 import io.micrometer.core.instrument.Tag;
 import java.security.SecureRandom;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -23,6 +24,7 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
 import javax.validation.Valid;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
@@ -399,6 +401,9 @@ public class AccountController {
         tags.add(Tag.of(VERIFY_EXPERIMENT_TAG_NAME, String.valueOf(storedVerificationCode.get().getTwilioVerificationSid().isPresent())));
 
         Metrics.counter(ACCOUNT_VERIFY_COUNTER_NAME, tags).increment();
+
+        Metrics.timer(name(AccountController.class, "verifyDuration"), tags)
+            .record(Instant.now().toEpochMilli() - storedVerificationCode.get().getTimestamp(), TimeUnit.MILLISECONDS);
       }
 
       return new AccountCreationResult(account.getUuid(), existingAccount.map(Account::isStorageSupported).orElse(false));