diff --git a/Cargo.lock b/Cargo.lock
index 67f0e1c..9ccaff9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,42 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "base64"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
-dependencies = [
- "byteorder",
- "safemem",
-]
-
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -81,47 +51,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
-[[package]]
-name = "cc"
-version = "1.0.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d26a6ce4b6a484fa3edb70f7efa6fc430fd2b87285fe8b84304fd0936faa0dc0"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "chrono"
-version = "0.4.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
-dependencies = [
- "libc",
- "num-integer",
- "num-traits",
- "serde",
- "time",
- "winapi",
-]
-
-[[package]]
-name = "clap"
-version = "2.33.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
-dependencies = [
- "ansi_term",
- "atty",
- "bitflags",
- "strsim",
- "textwrap",
- "unicode-width",
- "vec_map",
-]
-
 [[package]]
 name = "common"
 version = "0.1.0"
@@ -149,12 +84,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "either"
-version = "1.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -241,7 +170,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
 dependencies = [
  "typenum",
- "version_check 0.9.3",
+ "version_check",
 ]
 
 [[package]]
@@ -297,7 +226,7 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0b7591fb62902706ae8e7aaff416b1b0fa2c0fd0878b46dc13baa3712d8a855"
 dependencies = [
- "base64 0.13.0",
+ "base64",
  "bitflags",
  "bytes",
  "headers-core",
@@ -422,42 +351,18 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
 
-[[package]]
-name = "jsonwebtoken"
-version = "5.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d438ea707d465c230305963b67f8357a1d56fcfad9434797d7cb1c46c2e41df"
-dependencies = [
- "base64 0.9.3",
- "chrono",
- "ring",
- "serde",
- "serde_derive",
- "serde_json",
- "untrusted",
-]
-
 [[package]]
 name = "kampanja-kontrolada-servilo"
 version = "0.1.0"
 dependencies = [
- "orizentic",
  "tokio",
+ "uuid",
  "warp",
 ]
 
@@ -473,12 +378,6 @@ version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
-
 [[package]]
 name = "lock_api"
 version = "0.4.5"
@@ -574,25 +473,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "num-integer"
-version = "0.1.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
@@ -615,23 +495,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
-[[package]]
-name = "orizentic"
-version = "1.0.1"
-dependencies = [
- "chrono",
- "clap",
- "itertools",
- "jsonwebtoken",
- "serde",
- "serde_derive",
- "serde_json",
- "thiserror",
- "uuid",
- "version_check 0.1.5",
- "yaml-rust",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -824,18 +687,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "ring"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c4db68a2e35f3497146b7e4563df7d4773a2433230c5e4b448328e31740458a"
-dependencies = [
- "cc",
- "lazy_static",
- "libc",
- "untrusted",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -944,12 +795,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "syn"
 version = "1.0.77"
@@ -975,15 +820,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.29"
@@ -1137,7 +973,7 @@ version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ada8297e8d70872fa9a551d93250a9f407beb9f37ef86494eb20012a2ff7c24"
 dependencies = [
- "base64 0.13.0",
+ "base64",
  "byteorder",
  "bytes",
  "http",
@@ -1171,7 +1007,7 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 dependencies = [
- "version_check 0.9.3",
+ "version_check",
 ]
 
 [[package]]
@@ -1189,24 +1025,12 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-width"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
-[[package]]
-name = "untrusted"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
-
 [[package]]
 name = "url"
 version = "2.2.2"
@@ -1232,21 +1056,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
  "getrandom 0.2.3",
- "serde",
 ]
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
-[[package]]
-name = "version_check"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-
 [[package]]
 name = "version_check"
 version = "0.9.3"
@@ -1325,12 +1136,3 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "yaml-rust"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
-dependencies = [
- "linked-hash-map",
-]
diff --git a/aŭtentigo.db b/aŭtentigo.db
new file mode 100644
index 0000000..c505d4d
--- /dev/null
+++ b/aŭtentigo.db
@@ -0,0 +1 @@
+[{"jti":"fa613049-e370-4576-b3f0-b7757c3e0cca","aud":"savanni","exp":1672379098,"iss":"savanni","iat":1640843098,"sub":"admin","perms":["admin"]}]
\ No newline at end of file
diff --git a/servilo/Cargo.toml b/servilo/Cargo.toml
index 11810e5..94998d8 100644
--- a/servilo/Cargo.toml
+++ b/servilo/Cargo.toml
@@ -6,6 +6,6 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-orizentic = { path = "../../orizentic/" }
 tokio = { version = "1", features = ["full"] }
+uuid = { version = "0.8.2", features = ["v4"] }
 warp = { version = "0.3.1" }
diff --git a/servilo/src/aŭtentigo.rs b/servilo/src/aŭtentigo.rs
new file mode 100644
index 0000000..4db1564
--- /dev/null
+++ b/servilo/src/aŭtentigo.rs
@@ -0,0 +1,100 @@
+use std::{
+    collections::HashMap,
+    convert::Infallible,
+    str::FromStr,
+    sync::{Arc, RwLock},
+};
+use uuid::{adapter::Hyphenated, Uuid};
+use warp::{reject, reject::Reject, Filter, Rejection};
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+pub struct Ĵetono(String);
+
+impl From<&str> for Ĵetono {
+    fn from(s: &str) -> Self {
+        Ĵetono(s.to_owned())
+    }
+}
+
+impl FromStr for Ĵetono {
+    type Err = Infallible;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(Ĵetono(s.to_owned()))
+    }
+}
+
+impl From<Ĵetono> for String {
+    fn from(s: Ĵetono) -> Self {
+        s.0.clone()
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+pub struct Uzantnomo(String);
+
+impl From<&str> for Uzantnomo {
+    fn from(s: &str) -> Self {
+        Uzantnomo(s.to_owned())
+    }
+}
+
+impl From<Uzantnomo> for String {
+    fn from(s: Uzantnomo) -> Self {
+        s.0.clone()
+    }
+}
+
+pub trait AŭtentigoDB: Clone + Send + Sync {
+    fn aŭtentigu(&self, ĵetono: Ĵetono) -> Option<Uzantnomo>;
+
+    fn kreu_ĵetono(&mut self, uzantnomo: Uzantnomo) -> Ĵetono;
+}
+
+#[derive(Clone)]
+pub struct MemAŭtentigo {
+    mem: HashMap<Ĵetono, Uzantnomo>,
+}
+
+impl MemAŭtentigo {
+    pub fn new() -> Self {
+        Self {
+            mem: HashMap::new(),
+        }
+    }
+}
+
+impl AŭtentigoDB for MemAŭtentigo {
+    fn aŭtentigu(&self, ĵetono: Ĵetono) -> Option<Uzantnomo> {
+        self.mem.get(&ĵetono).cloned()
+    }
+
+    fn kreu_ĵetono(&mut self, uzantnomo: Uzantnomo) -> Ĵetono {
+        let ĵetono = Ĵetono::from(format!("{}", Hyphenated::from_uuid(Uuid::new_v4())).as_str());
+        self.mem.insert(ĵetono.clone(), uzantnomo);
+        ĵetono
+    }
+}
+
+#[derive(Debug)]
+pub struct AŭtentigoPostulas;
+
+impl Reject for AŭtentigoPostulas {}
+
+pub fn kun_aŭtentigo(
+    auth_ctx: Arc<RwLock<impl AŭtentigoDB>>,
+) -> impl Filter<Extract = (Uzantnomo,), Error = Rejection> + Clone {
+    let auth_ctx = auth_ctx.clone();
+    warp::header("authentication").and_then({
+        let auth_ctx = auth_ctx.clone();
+        move |text| {
+            let auth_ctx = auth_ctx.clone();
+            async move {
+                match auth_ctx.read().unwrap().aŭtentigu(text) {
+                    Some(uzantnomo) => Ok(uzantnomo),
+                    None => Err(reject::custom(AŭtentigoPostulas)),
+                }
+            }
+        }
+    })
+}
diff --git a/servilo/src/main.rs b/servilo/src/main.rs
index 1403614..47abd17 100644
--- a/servilo/src/main.rs
+++ b/servilo/src/main.rs
@@ -1,68 +1,79 @@
-use orizentic::{OrizenticCtx, Secret, Username};
+use std::convert::Infallible;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 use std::sync::{Arc, RwLock};
-use warp::{reject, Filter, Rejection};
+use warp::{Filter, Rejection};
 
-fn with_auth(
-    auth_ctx: Arc<RwLock<OrizenticCtx>>,
-) -> impl Filter<Extract = (Username,), Error = Rejection> + Clone {
-    let auth_ctx = auth_ctx.clone();
-    warp::header("authentication").and_then({
-        let auth_ctx = auth_ctx.clone();
-        move |text| {
-            let auth_ctx = auth_ctx.clone();
-            async move {
-                match auth_ctx.read().unwrap().decode_and_validate_text(text) {
-                    Ok(token) => Ok(token.claims.audience),
-                    Err(_) => Err(reject()),
-                }
-            }
-        }
-    })
+#[path = "aŭtentigo.rs"]
+mod aŭtentigo;
+use aŭtentigo::{kun_aŭtentigo, AŭtentigoDB, AŭtentigoPostulas, MemAŭtentigo, Uzantnomo};
+
+use crate::rajtigo::{MemRajtigo, Rajtigo, Rajto};
+mod rajtigo;
+
+async fn traktilo_de_listigu_ludantojn(
+    uzantnomo: Uzantnomo,
+    rajtigo: Arc<RwLock<impl Rajtigo>>,
+) -> Result<impl warp::Reply, Rejection> {
+    if rajtigo.read().unwrap().havas_rajton(uzantnomo, |rajtoj| {
+        rajtoj.fold(false, |acc, r| acc || *r == Rajto::from("admin"))
+    }) {
+        Ok(warp::reply::json(&vec!["Alice", "Betty", "Charles"]))
+    } else {
+        Err(warp::reject::not_found())
+    }
 }
 
-fn gm_routes(
-    auth_ctx: Arc<RwLock<OrizenticCtx>>,
-) -> impl Filter<Extract = (), Error = Rejection> + Clone {
-    let base_route = with_auth(auth_ctx).and(warp::path("gm"));
+async fn traktilu_erarojn(err: Rejection) -> Result<impl warp::Reply, Infallible> {
+    let kodo;
+    let mesaĝo;
+    if let Some(_) = err.find::<AŭtentigoPostulas>() {
+        kodo = warp::http::StatusCode::UNAUTHORIZED;
+        mesaĝo = "Ensalutu";
+    } else {
+        kodo = warp::http::StatusCode::INTERNAL_SERVER_ERROR;
+        mesaĝo = "Netraktita mesaĝo";
+    }
 
-    let character_sheet = {
-        let auth_ctx = auth_ctx.clone();
-        with_auth(auth_ctx)
-            .and(warp::path!("gm" / "character" / String))
-            .map(|auth: Username, name| format!("name: {} {}", String::from(auth), name))
-    };
+    Ok(warp::reply::with_status(
+        warp::reply::json(&mesaĝo.to_owned()),
+        kodo,
+    ))
 }
 
 #[tokio::main]
 pub async fn main() {
-    let auth_ctx = Arc::new(RwLock::new(OrizenticCtx::new(
-        Secret(Vec::from("abcdefg".as_bytes())),
-        vec![],
-    )));
+    let auth_ctx = Arc::new(RwLock::new(MemAŭtentigo::new()));
+    let ĵetono = auth_ctx
+        .write()
+        .unwrap()
+        .kreu_ĵetono(Uzantnomo::from("Savanni"));
+    println!("ĵetono: {}", String::from(ĵetono));
+    let rajtigo = Arc::new(RwLock::new(MemRajtigo::new()));
+    rajtigo.write().unwrap().aldonu_rajtoj(
+        Uzantnomo::from("Savanni"),
+        &mut (vec![Rajto::from("admin")].into_iter()),
+    );
 
-    let send_item = {
+    let listigu_ludantojn = {
         let auth_ctx = auth_ctx.clone();
-        with_auth(auth_ctx)
-            .and(warp::path!("gm" / "send_item"))
-            .map(|auth: Username| format!("send_item: {}", String::from(auth)))
+        kun_aŭtentigo(auth_ctx)
+            .and(warp::path!("api" / "ludantoj"))
+            .and_then({
+                let rajtigo = rajtigo.clone();
+                move |uzantnomo| {
+                    let rajtigo = rajtigo.clone();
+                    traktilo_de_listigu_ludantojn(uzantnomo, rajtigo)
+                }
+            })
     };
 
-    let send_resource = warp::header("authentication")
-        .and(warp::path!("gm" / "send_resource"))
-        .map(|auth: String| format!("send_resource"));
-
-    let pc_sheet = warp::header("authentication")
-        .and(warp::path!("player" / "character" / String))
-        .map(|authentication: String, name: String| format!("name: {}", name));
-
-    let filter = character_sheet.or(send_item).or(send_resource).or(pc_sheet);
+    let filter = listigu_ludantojn.recover(traktilu_erarojn);
 
     let server = warp::serve(filter);
     server
         .run(SocketAddr::new(
             IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)),
-            8000,
+            8001,
         ))
         .await;
 }
diff --git a/servilo/src/rajtigo.rs b/servilo/src/rajtigo.rs
new file mode 100644
index 0000000..e21f53b
--- /dev/null
+++ b/servilo/src/rajtigo.rs
@@ -0,0 +1,74 @@
+use crate::aŭtentigo::Uzantnomo;
+use std::collections::{HashMap, HashSet};
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+pub struct Rajto(String);
+
+impl From<&str> for Rajto {
+    fn from(s: &str) -> Self {
+        Rajto(s.to_owned())
+    }
+}
+
+impl From<Rajto> for String {
+    fn from(s: Rajto) -> Self {
+        s.0.clone()
+    }
+}
+
+pub trait Rajtigo {
+    fn havas_rajton<'a, F>(&'a self, uzantnomo: Uzantnomo, provo: F) -> bool
+    where
+        F: FnOnce(&mut (dyn Iterator<Item = &'a Rajto> + 'a)) -> bool;
+    fn rajtoj(&self, uzantnomo: &Uzantnomo) -> Vec<Rajto>;
+    fn aldonu_rajtoj(&mut self, uzantnomo: Uzantnomo, rajtoj: &mut (dyn Iterator<Item = Rajto>));
+    fn foriru_rajtoj(&mut self, uzantnomo: Uzantnomo, rajtoj: &mut (dyn Iterator<Item = Rajto>));
+    fn foriru_uzanto(&mut self, uzantnomo: Uzantnomo);
+}
+
+pub struct MemRajtigo {
+    rajtoj: HashMap<Uzantnomo, HashSet<Rajto>>,
+}
+
+impl MemRajtigo {
+    pub fn new() -> Self {
+        MemRajtigo {
+            rajtoj: HashMap::new(),
+        }
+    }
+}
+
+impl Rajtigo for MemRajtigo {
+    fn havas_rajton<'a, F>(&'a self, uzantnomo: Uzantnomo, provo: F) -> bool
+    where
+        F: FnOnce(&mut (dyn Iterator<Item = &'a Rajto> + 'a)) -> bool,
+    {
+        match self.rajtoj.get(&uzantnomo) {
+            Some(rajtoj) => provo(&mut rajtoj.iter()),
+            None => false,
+        }
+    }
+    fn rajtoj(&self, uzantnomo: &Uzantnomo) -> Vec<Rajto> {
+        self.rajtoj
+            .get(&uzantnomo)
+            .map(|r| r.into_iter().cloned().collect::<Vec<Rajto>>())
+            .unwrap_or(vec![])
+    }
+    fn aldonu_rajtoj(&mut self, uzantnomo: Uzantnomo, rajtoj: &mut (dyn Iterator<Item = Rajto>)) {
+        let valoro = self.rajtoj.entry(uzantnomo).or_insert(HashSet::new());
+
+        while let Some(r) = rajtoj.next() {
+            valoro.insert(r);
+        }
+    }
+    fn foriru_rajtoj(&mut self, uzantnomo: Uzantnomo, rajtoj: &mut (dyn Iterator<Item = Rajto>)) {
+        let valoro = self.rajtoj.entry(uzantnomo).or_insert(HashSet::new());
+
+        while let Some(r) = rajtoj.next() {
+            valoro.remove(&r);
+        }
+    }
+    fn foriru_uzanto(&mut self, uzantnomo: Uzantnomo) {
+        let _ = self.rajtoj.remove(&uzantnomo);
+    }
+}
diff --git a/shell.nix b/shell.nix
index 5335fe7..97fdfb8 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,17 +10,13 @@ in pkgs.mkShell {
     name = "kampanja-kontrolado";
 
     nativeBuildInputs = [
-      pkgs.gnome.webkitgtk
-      pkgs.glib
-      pkgs.gtk3
       pkgs.libpng
+      pkgs.nodejs
       pkgs.openssl
       pkgs.pkg-config
       pkgs.wrapGAppsHook
       rust
       unstable.rust-analyzer
-      pkgs.nodejs
-      pkgs.hugo
     ];
 
     shellHook = ''