Small verification fixes (#4317)

* Small performance improvement by not unnecessarily loading the peerstate

* Remove wrong info message "{contact} verified" when scanning a QR code with just an email

I think that this was a bug in the original C code and then slipped
through two refactorings.

CHANGELOG.md

@@ -11,6 +11,8 @@
 - maybe_add_time_based_warnings(): Use release date instead of the provider DB update one
 - Cleanly terminate deltachat-rpc-server.
   Also terminate on ctrl-c.
+- Refactorings #4317
+
 
 ### Fixes
 - Fix python bindings README documentation on installing the bindings from source.

src/contact.rs

@@ -1195,9 +1195,7 @@ impl Contact {
             if peerstate.verified_key.is_some() {
                 return Ok(VerifiedStatus::BidirectVerified);
             }
-        }
-
-        if let Some(peerstate) = Peerstate::from_addr(context, &self.addr).await? {
+        } else if let Some(peerstate) = Peerstate::from_addr(context, &self.addr).await? {
             if peerstate.verified_key.is_some() {
                 return Ok(VerifiedStatus::BidirectVerified);
             }

src/qr.rs

@@ -10,7 +10,7 @@ use percent_encoding::percent_decode_str;
 use serde::Deserialize;
 
 use self::dclogin_scheme::configure_from_login_qr;
-use crate::chat::{self, get_chat_id_by_grpid, ChatIdBlocked};
+use crate::chat::{get_chat_id_by_grpid, ChatIdBlocked};
 use crate::config::Config;
 use crate::constants::Blocked;
 use crate::contact::{
@@ -21,7 +21,6 @@ use crate::key::Fingerprint;
 use crate::message::Message;
 use crate::peerstate::Peerstate;
 use crate::socks::Socks5Config;
-use crate::tools::time;
 use crate::{token, EventType};
 
 const OPENPGP4FPR_SCHEME: &str = "OPENPGP4FPR:"; // yes: uppercase
@@ -435,16 +434,9 @@ async fn decode_openpgp(context: &Context, qr: &str) -> Result<Qr> {
                 Contact::add_or_lookup(context, &name, peerstate_addr, Origin::UnhandledQrScan)
                     .await
                     .context("add_or_lookup")?;
-            let chat = ChatIdBlocked::get_for_contact(context, contact_id, Blocked::Request)
+            ChatIdBlocked::get_for_contact(context, contact_id, Blocked::Request)
                 .await
                 .context("Failed to create (new) chat for contact")?;
-            chat::add_info_msg(
-                context,
-                chat.id,
-                &format!("{} verified.", peerstate.addr),
-                time(),
-            )
-            .await?;
             Ok(Qr::FprOk { contact_id })
         } else {
             let contact_id = Contact::lookup_id_by_addr(context, &addr, Origin::Unknown)