From 7ec35bbfb238440caea2874b6aaf0b42de31b152 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:50:02 +0200
Subject: [PATCH 01/16] define context interface

---
 backend/src/server/context.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index 6de2adce4..805be90c6 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -1,9 +1,18 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
+import { Role } from '@/auth/Role'
+import { User as dbUser } from '@entity/User'
 
-const context = (args: any) => {
+export interface Context {
+  token: string | null
+  setHeaders: { key: string, value: string }[]
+  role?: Role
+  user?: dbUser
+}
+
+const context = (args: any): Context => {
   const authorization = args.req.headers.authorization
-  let token = null
+  let token: string | null = null
   if (authorization) {
     token = authorization.replace(/^Bearer /, '')
   }

From 57298a4d3a77a5b9c4c7f1893cdfe8a96fd30de2 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:50:46 +0200
Subject: [PATCH 02/16] use Context interface in user resolver

---
 backend/src/graphql/directive/isAuthorized.ts |  1 +
 backend/src/graphql/resolver/UserResolver.ts  | 11 +++++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/backend/src/graphql/directive/isAuthorized.ts b/backend/src/graphql/directive/isAuthorized.ts
index 84756c45a..5c6d6f6f0 100644
--- a/backend/src/graphql/directive/isAuthorized.ts
+++ b/backend/src/graphql/directive/isAuthorized.ts
@@ -9,6 +9,7 @@ import { getCustomRepository } from '@dbTools/typeorm'
 import { UserRepository } from '@repository/User'
 import { INALIENABLE_RIGHTS } from '@/auth/INALIENABLE_RIGHTS'
 import { ServerUser } from '@entity/ServerUser'
+import { Context } from '@/server/context'
 
 const isAuthorized: AuthChecker<any> = async ({ context }, rights) => {
   context.role = ROLE_UNAUTHORIZED // unauthorized user
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index cacee6fc8..84698fbca 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -2,6 +2,7 @@
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 
 import fs from 'fs'
+import { Context } from '@/server/context'
 import { Resolver, Query, Args, Arg, Authorized, Ctx, UseMiddleware, Mutation } from 'type-graphql'
 import { getConnection, getCustomRepository } from '@dbTools/typeorm'
 import CONFIG from '@/config'
@@ -192,9 +193,10 @@ export class UserResolver {
   @Authorized([RIGHTS.VERIFY_LOGIN])
   @Query(() => User)
   @UseMiddleware(klicktippNewsletterStateMiddleware)
-  async verifyLogin(@Ctx() context: any): Promise<User> {
+  async verifyLogin(@Ctx() context: Context): Promise<User> {
     // TODO refactor and do not have duplicate code with login(see below)
     const userEntity = context.user
+    if (!userEntity) throw new Error('No user given!')
     const user = new User(userEntity)
     // user.pubkey = userEntity.pubKey.toString('hex')
     // Elopage Status & Stored PublisherId
@@ -218,7 +220,7 @@ export class UserResolver {
   @UseMiddleware(klicktippNewsletterStateMiddleware)
   async login(
     @Args() { email, password, publisherId }: UnsecureLoginArgs,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<User> {
     email = email.trim().toLowerCase()
     const dbUser = await DbUser.findOneOrFail({ email }, { withDeleted: true }).catch(() => {
@@ -540,9 +542,10 @@ export class UserResolver {
       passwordNew,
       coinanimation,
     }: UpdateUserInfosArgs,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<boolean> {
     const userEntity = context.user
+    if (!userEntity) throw new Error('No user given!')
 
     if (firstName) {
       userEntity.firstName = firstName
@@ -619,7 +622,7 @@ export class UserResolver {
 
   @Authorized([RIGHTS.HAS_ELOPAGE])
   @Query(() => Boolean)
-  async hasElopage(@Ctx() context: any): Promise<boolean> {
+  async hasElopage(@Ctx() context: Context): Promise<boolean> {
     const userEntity = context.user
     if (!userEntity) {
       return false

From e183a9bde030e1f328ffd1f0dc2d95eb76c30d09 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:53:00 +0200
Subject: [PATCH 03/16] remove unused modules

---
 backend/src/graphql/directive/isAuthorized.ts | 1 -
 backend/src/server/context.ts                 | 2 +-
 backend/src/server/plugins.ts                 | 3 +--
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/backend/src/graphql/directive/isAuthorized.ts b/backend/src/graphql/directive/isAuthorized.ts
index 5c6d6f6f0..84756c45a 100644
--- a/backend/src/graphql/directive/isAuthorized.ts
+++ b/backend/src/graphql/directive/isAuthorized.ts
@@ -9,7 +9,6 @@ import { getCustomRepository } from '@dbTools/typeorm'
 import { UserRepository } from '@repository/User'
 import { INALIENABLE_RIGHTS } from '@/auth/INALIENABLE_RIGHTS'
 import { ServerUser } from '@entity/ServerUser'
-import { Context } from '@/server/context'
 
 const isAuthorized: AuthChecker<any> = async ({ context }, rights) => {
   context.role = ROLE_UNAUTHORIZED // unauthorized user
diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index 805be90c6..0958449a4 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -5,7 +5,7 @@ import { User as dbUser } from '@entity/User'
 
 export interface Context {
   token: string | null
-  setHeaders: { key: string, value: string }[]
+  setHeaders: { key: string; value: string }[]
   role?: Role
   user?: dbUser
 }
diff --git a/backend/src/server/plugins.ts b/backend/src/server/plugins.ts
index a407135ea..5902a415f 100644
--- a/backend/src/server/plugins.ts
+++ b/backend/src/server/plugins.ts
@@ -39,7 +39,6 @@ const apolloLogPlugin = ApolloLogPlugin({
   },
 })
 
-const plugins =
-  process.env.NODE_ENV === 'development' ? [setHeadersPlugin] : [setHeadersPlugin, apolloLogPlugin]
+const plugins = process.env.NODE_ENV === 'development' ? [setHeadersPlugin] : [setHeadersPlugin] // , apolloLogPlugin
 
 export default plugins

From 4d09123b0ee78ff7b3b0e9b0fe07724afd6f90d3 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:55:05 +0200
Subject: [PATCH 04/16] remove global no explicit any lint rule

---
 backend/src/graphql/resolver/UserResolver.ts | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index ee7371739..05e7f09b8 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -1,6 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
 import fs from 'fs'
 import { Context } from '@/server/context'
 import { Resolver, Query, Args, Arg, Authorized, Ctx, UseMiddleware, Mutation } from 'type-graphql'

From 9a390c11dbebbae759669d0de041386b298e030c Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:57:59 +0200
Subject: [PATCH 05/16] use Context interface in admin resolver

---
 backend/src/graphql/resolver/AdminResolver.ts | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index 1ed0422ef..481fb9bda 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -1,6 +1,4 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
+import { Context } from '@/server/context'
 import { Resolver, Query, Arg, Args, Authorized, Mutation, Ctx, Int } from 'type-graphql'
 import {
   getCustomRepository,
@@ -137,7 +135,7 @@ export class AdminResolver {
   @Mutation(() => Date, { nullable: true })
   async deleteUser(
     @Arg('userId', () => Int) userId: number,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<Date | null> {
     const user = await dbUser.findOne({ id: userId })
     // user exists ?
@@ -146,7 +144,7 @@ export class AdminResolver {
     }
     // moderator user disabled own account?
     const moderatorUser = context.user
-    if (moderatorUser.id === userId) {
+    if (moderatorUser && moderatorUser.id === userId) {
       throw new Error('Moderator can not delete his own account!')
     }
     // soft-delete user
@@ -309,11 +307,11 @@ export class AdminResolver {
   @Mutation(() => Boolean)
   async confirmPendingCreation(
     @Arg('id', () => Int) id: number,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<boolean> {
     const pendingCreation = await AdminPendingCreation.findOneOrFail(id)
     const moderatorUser = context.user
-    if (moderatorUser.id === pendingCreation.userId)
+    if (moderatorUser && moderatorUser.id === pendingCreation.userId)
       throw new Error('Moderator can not confirm own pending creation')
 
     const user = await dbUser.findOneOrFail({ id: pendingCreation.userId }, { withDeleted: true })

From e430ceefa3b2bc51ec365c7f4605568394b7128d Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 15:59:23 +0200
Subject: [PATCH 06/16] remove unused lint rule

---
 backend/src/graphql/resolver/CommunityResolver.ts | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/backend/src/graphql/resolver/CommunityResolver.ts b/backend/src/graphql/resolver/CommunityResolver.ts
index 1693574cb..c194cdf1a 100644
--- a/backend/src/graphql/resolver/CommunityResolver.ts
+++ b/backend/src/graphql/resolver/CommunityResolver.ts
@@ -1,6 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
 import { Resolver, Query, Authorized } from 'type-graphql'
 import { RIGHTS } from '@/auth/RIGHTS'
 import CONFIG from '@/config'

From 8900592b908c452511fa84db1623799b325f5650 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:03:12 +0200
Subject: [PATCH 07/16] use Context interface in GDT resolver

---
 backend/src/graphql/resolver/GdtResolver.ts | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/backend/src/graphql/resolver/GdtResolver.ts b/backend/src/graphql/resolver/GdtResolver.ts
index e2409160b..db3f2d286 100644
--- a/backend/src/graphql/resolver/GdtResolver.ts
+++ b/backend/src/graphql/resolver/GdtResolver.ts
@@ -1,6 +1,4 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
+import { Context } from '@/server/context'
 import { Resolver, Query, Args, Ctx, Authorized, Arg } from 'type-graphql'
 import CONFIG from '@/config'
 import { GdtEntryList } from '@model/GdtEntryList'
@@ -16,9 +14,10 @@ export class GdtResolver {
   async listGDTEntries(
     @Args()
     { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<GdtEntryList> {
     const userEntity = context.user
+    if (!userEntity) throw new Error('No user given!')
 
     try {
       const resultGDT = await apiGet(
@@ -28,15 +27,16 @@ export class GdtResolver {
         throw new Error(resultGDT.data)
       }
       return new GdtEntryList(resultGDT.data)
-    } catch (err: any) {
+    } catch (err) {
       throw new Error('GDT Server is not reachable.')
     }
   }
 
   @Authorized([RIGHTS.GDT_BALANCE])
   @Query(() => Number)
-  async gdtBalance(@Ctx() context: any): Promise<number | null> {
+  async gdtBalance(@Ctx() context: Context): Promise<number | null> {
     const { user } = context
+    if (!user) throw new Error('No user given!')
     try {
       const resultGDTSum = await apiPost(`${CONFIG.GDT_API_URL}/GdtEntries/sumPerEmailApi`, {
         email: user.email,
@@ -45,9 +45,9 @@ export class GdtResolver {
         throw new Error('Call not successful')
       }
       return Number(resultGDTSum.data.sum) || 0
-    } catch (err: any) {
+    } catch (err) {
       // eslint-disable-next-line no-console
-      console.log('Could not query GDT Server', err)
+      console.log('Could not query GDT Server')
       return null
     }
   }

From 71cb56db0e2b830ba19a0886bd1f19904d11e402 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:04:04 +0200
Subject: [PATCH 08/16] no unused lint instruction

---
 backend/src/graphql/resolver/KlicktippResolver.ts | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/backend/src/graphql/resolver/KlicktippResolver.ts b/backend/src/graphql/resolver/KlicktippResolver.ts
index d13f1dd8e..ce9a097e2 100644
--- a/backend/src/graphql/resolver/KlicktippResolver.ts
+++ b/backend/src/graphql/resolver/KlicktippResolver.ts
@@ -1,6 +1,3 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
 import { Resolver, Query, Authorized, Arg, Mutation, Args } from 'type-graphql'
 import {
   getKlickTippUser,

From b0606424d42b94ad9a14ccc4a4310abb6521175e Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:08:39 +0200
Subject: [PATCH 09/16] Context interface in transaction link resolver

---
 .../graphql/resolver/TransactionLinkResolver.ts  | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.ts b/backend/src/graphql/resolver/TransactionLinkResolver.ts
index 646a7c296..253e13ec6 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.ts
@@ -1,6 +1,4 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
+import { Context } from '@/server/context'
 import { Resolver, Args, Arg, Authorized, Ctx, Mutation, Query, Int } from 'type-graphql'
 import { TransactionLink } from '@model/TransactionLink'
 import { TransactionLink as dbTransactionLink } from '@entity/TransactionLink'
@@ -38,9 +36,10 @@ export class TransactionLinkResolver {
   @Mutation(() => TransactionLink)
   async createTransactionLink(
     @Args() { amount, memo }: TransactionLinkArgs,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<TransactionLink> {
     const { user } = context
+    if (!user) throw new Error('No user given!')
 
     const createdDate = new Date()
     const validUntil = transactionLinkExpireDate(createdDate)
@@ -72,9 +71,10 @@ export class TransactionLinkResolver {
   @Mutation(() => Boolean)
   async deleteTransactionLink(
     @Arg('id', () => Int) id: number,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<boolean> {
     const { user } = context
+    if (!user) throw new Error('No user given!')
 
     const transactionLink = await dbTransactionLink.findOne({ id })
     if (!transactionLink) {
@@ -113,9 +113,10 @@ export class TransactionLinkResolver {
   async listTransactionLinks(
     @Args()
     { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<TransactionLink[]> {
     const { user } = context
+    if (!user) throw new Error('No user given!')
     // const now = new Date()
     const transactionLinks = await dbTransactionLink.find({
       where: {
@@ -136,9 +137,10 @@ export class TransactionLinkResolver {
   @Mutation(() => Boolean)
   async redeemTransactionLink(
     @Arg('code', () => String) code: string,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<boolean> {
     const { user } = context
+    if (!user) throw new Error('No user given!')
     const transactionLink = await dbTransactionLink.findOneOrFail({ code })
     const linkedUser = await dbUser.findOneOrFail({ id: transactionLink.userId })
 

From 6cc8410720eab480caae358469e188b4bd5702a6 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:15:57 +0200
Subject: [PATCH 10/16] helper function to get user from context

---
 backend/src/graphql/resolver/GdtResolver.ts        |  8 +++-----
 .../graphql/resolver/TransactionLinkResolver.ts    | 14 +++++---------
 backend/src/graphql/resolver/UserResolver.ts       |  8 +++-----
 backend/src/server/context.ts                      |  5 +++++
 4 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/backend/src/graphql/resolver/GdtResolver.ts b/backend/src/graphql/resolver/GdtResolver.ts
index db3f2d286..56a95c9f0 100644
--- a/backend/src/graphql/resolver/GdtResolver.ts
+++ b/backend/src/graphql/resolver/GdtResolver.ts
@@ -1,4 +1,4 @@
-import { Context } from '@/server/context'
+import { Context, getUser } from '@/server/context'
 import { Resolver, Query, Args, Ctx, Authorized, Arg } from 'type-graphql'
 import CONFIG from '@/config'
 import { GdtEntryList } from '@model/GdtEntryList'
@@ -16,8 +16,7 @@ export class GdtResolver {
     { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
     @Ctx() context: Context,
   ): Promise<GdtEntryList> {
-    const userEntity = context.user
-    if (!userEntity) throw new Error('No user given!')
+    const userEntity = getUser(context)
 
     try {
       const resultGDT = await apiGet(
@@ -35,8 +34,7 @@ export class GdtResolver {
   @Authorized([RIGHTS.GDT_BALANCE])
   @Query(() => Number)
   async gdtBalance(@Ctx() context: Context): Promise<number | null> {
-    const { user } = context
-    if (!user) throw new Error('No user given!')
+    const user = getUser(context)
     try {
       const resultGDTSum = await apiPost(`${CONFIG.GDT_API_URL}/GdtEntries/sumPerEmailApi`, {
         email: user.email,
diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.ts b/backend/src/graphql/resolver/TransactionLinkResolver.ts
index 253e13ec6..733f1db28 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.ts
@@ -1,4 +1,4 @@
-import { Context } from '@/server/context'
+import { Context, getUser } from '@/server/context'
 import { Resolver, Args, Arg, Authorized, Ctx, Mutation, Query, Int } from 'type-graphql'
 import { TransactionLink } from '@model/TransactionLink'
 import { TransactionLink as dbTransactionLink } from '@entity/TransactionLink'
@@ -38,8 +38,7 @@ export class TransactionLinkResolver {
     @Args() { amount, memo }: TransactionLinkArgs,
     @Ctx() context: Context,
   ): Promise<TransactionLink> {
-    const { user } = context
-    if (!user) throw new Error('No user given!')
+    const user = getUser(context)
 
     const createdDate = new Date()
     const validUntil = transactionLinkExpireDate(createdDate)
@@ -73,8 +72,7 @@ export class TransactionLinkResolver {
     @Arg('id', () => Int) id: number,
     @Ctx() context: Context,
   ): Promise<boolean> {
-    const { user } = context
-    if (!user) throw new Error('No user given!')
+    const user = getUser(context)
 
     const transactionLink = await dbTransactionLink.findOne({ id })
     if (!transactionLink) {
@@ -115,8 +113,7 @@ export class TransactionLinkResolver {
     { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
     @Ctx() context: Context,
   ): Promise<TransactionLink[]> {
-    const { user } = context
-    if (!user) throw new Error('No user given!')
+    const user = getUser(context)
     // const now = new Date()
     const transactionLinks = await dbTransactionLink.find({
       where: {
@@ -139,8 +136,7 @@ export class TransactionLinkResolver {
     @Arg('code', () => String) code: string,
     @Ctx() context: Context,
   ): Promise<boolean> {
-    const { user } = context
-    if (!user) throw new Error('No user given!')
+    const user = getUser(context)
     const transactionLink = await dbTransactionLink.findOneOrFail({ code })
     const linkedUser = await dbUser.findOneOrFail({ id: transactionLink.userId })
 
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 05e7f09b8..137c09622 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -1,5 +1,5 @@
 import fs from 'fs'
-import { Context } from '@/server/context'
+import { Context, getUser } from '@/server/context'
 import { Resolver, Query, Args, Arg, Authorized, Ctx, UseMiddleware, Mutation } from 'type-graphql'
 import { getConnection, getCustomRepository } from '@dbTools/typeorm'
 import CONFIG from '@/config'
@@ -192,8 +192,7 @@ export class UserResolver {
   @UseMiddleware(klicktippNewsletterStateMiddleware)
   async verifyLogin(@Ctx() context: Context): Promise<User> {
     // TODO refactor and do not have duplicate code with login(see below)
-    const userEntity = context.user
-    if (!userEntity) throw new Error('No user given!')
+    const userEntity = getUser(context)
     const user = new User(userEntity)
     // user.pubkey = userEntity.pubKey.toString('hex')
     // Elopage Status & Stored PublisherId
@@ -541,8 +540,7 @@ export class UserResolver {
     }: UpdateUserInfosArgs,
     @Ctx() context: Context,
   ): Promise<boolean> {
-    const userEntity = context.user
-    if (!userEntity) throw new Error('No user given!')
+    const userEntity = getUser(context)
 
     if (firstName) {
       userEntity.firstName = firstName
diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index 0958449a4..ffe90aca2 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -23,4 +23,9 @@ const context = (args: any): Context => {
   return context
 }
 
+export const getUser = (context: Context): dbUser => {
+  if (context.user) return context.user
+  throw new Error('No user given in context!')
+}
+
 export default context

From 00bba07b11c4de3cdd4ab7429373271f8a101d9e Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:22:09 +0200
Subject: [PATCH 11/16] define hack to pass already queried data to balance
 resolver

---
 backend/src/server/context.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index ffe90aca2..f764c2876 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -2,12 +2,19 @@
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 import { Role } from '@/auth/Role'
 import { User as dbUser } from '@entity/User'
+import { Transaction as dbTransaction } from '@entity/Transaction'
+import Decimal from 'decimal.js-light'
 
 export interface Context {
   token: string | null
   setHeaders: { key: string; value: string }[]
   role?: Role
   user?: dbUser
+  // hack to use less DB calls for Balance Resolver
+  lastTransaction?: dbTransaction
+  transactionCount?: number
+  linkCount?: number
+  sumHoldAvailableAmount?: Decimal
 }
 
 const context = (args: any): Context => {

From d7bec83d25adf1d9bac1db8dcaa09522cb83f480 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:22:32 +0200
Subject: [PATCH 12/16] use Context interface in Transaction resolver

---
 backend/src/graphql/resolver/TransactionResolver.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/backend/src/graphql/resolver/TransactionResolver.ts b/backend/src/graphql/resolver/TransactionResolver.ts
index 8747f14a3..540ab8fcf 100644
--- a/backend/src/graphql/resolver/TransactionResolver.ts
+++ b/backend/src/graphql/resolver/TransactionResolver.ts
@@ -1,8 +1,7 @@
 /* eslint-disable new-cap */
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 /* eslint-disable @typescript-eslint/no-non-null-assertion */
 
+import { Context, getUser } from '@/server/context'
 import { Resolver, Query, Args, Authorized, Ctx, Mutation } from 'type-graphql'
 import { getCustomRepository, getConnection } from '@dbTools/typeorm'
 
@@ -147,10 +146,10 @@ export class TransactionResolver {
   async transactionList(
     @Args()
     { currentPage = 1, pageSize = 25, order = Order.DESC }: Paginated,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<TransactionList> {
     const now = new Date()
-    const user = context.user
+    const user = getUser(context)
 
     // find current balance
     const lastTransaction = await dbTransaction.findOne(
@@ -247,10 +246,10 @@ export class TransactionResolver {
   @Mutation(() => String)
   async sendCoins(
     @Args() { email, amount, memo }: TransactionSendArgs,
-    @Ctx() context: any,
+    @Ctx() context: Context,
   ): Promise<boolean> {
     // TODO this is subject to replay attacks
-    const senderUser = context.user
+    const senderUser = getUser(context)
     if (senderUser.pubKey.length !== 32) {
       throw new Error('invalid sender public key')
     }

From 902dce63905701bdd20a73bc3337c871c59673bb Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:24:38 +0200
Subject: [PATCH 13/16] Context interface in balance resolver

---
 backend/src/graphql/resolver/BalanceResolver.ts | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/backend/src/graphql/resolver/BalanceResolver.ts b/backend/src/graphql/resolver/BalanceResolver.ts
index f30e779e5..7cbd455cb 100644
--- a/backend/src/graphql/resolver/BalanceResolver.ts
+++ b/backend/src/graphql/resolver/BalanceResolver.ts
@@ -1,6 +1,4 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-
+import { Context, getUser } from '@/server/context'
 import { Resolver, Query, Ctx, Authorized } from 'type-graphql'
 import { Balance } from '@model/Balance'
 import { calculateDecay } from '@/util/decay'
@@ -16,8 +14,8 @@ import { TransactionLinkRepository } from '@repository/TransactionLink'
 export class BalanceResolver {
   @Authorized([RIGHTS.BALANCE])
   @Query(() => Balance)
-  async balance(@Ctx() context: any): Promise<Balance> {
-    const { user } = context
+  async balance(@Ctx() context: Context): Promise<Balance> {
+    const user = getUser(context)
     const now = new Date()
 
     const gdtResolver = new GdtResolver()

From 71d170110259da8aba824fb571f2cacc6882031d Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 16:31:21 +0200
Subject: [PATCH 14/16] undo apollo log plugin hack

---
 backend/src/server/plugins.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/src/server/plugins.ts b/backend/src/server/plugins.ts
index 5902a415f..a407135ea 100644
--- a/backend/src/server/plugins.ts
+++ b/backend/src/server/plugins.ts
@@ -39,6 +39,7 @@ const apolloLogPlugin = ApolloLogPlugin({
   },
 })
 
-const plugins = process.env.NODE_ENV === 'development' ? [setHeadersPlugin] : [setHeadersPlugin] // , apolloLogPlugin
+const plugins =
+  process.env.NODE_ENV === 'development' ? [setHeadersPlugin] : [setHeadersPlugin, apolloLogPlugin]
 
 export default plugins

From f752d8d0450cb049daf091c43083c6aeaf67a3c0 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 11 Apr 2022 17:25:59 +0200
Subject: [PATCH 15/16] type ExpressContext

---
 backend/src/server/context.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index f764c2876..d9fd55fe4 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -1,9 +1,8 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 import { Role } from '@/auth/Role'
 import { User as dbUser } from '@entity/User'
 import { Transaction as dbTransaction } from '@entity/Transaction'
 import Decimal from 'decimal.js-light'
+import { ExpressContext } from 'apollo-server-express'
 
 export interface Context {
   token: string | null
@@ -17,7 +16,7 @@ export interface Context {
   sumHoldAvailableAmount?: Decimal
 }
 
-const context = (args: any): Context => {
+const context = (args: ExpressContext): Context => {
   const authorization = args.req.headers.authorization
   let token: string | null = null
   if (authorization) {

From de6421201dd593dd5815c16b10e8827770dc56b8 Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Tue, 12 Apr 2022 19:04:29 +0200
Subject: [PATCH 16/16] use getUser helper to get moderator form context

---
 backend/src/graphql/resolver/AdminResolver.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index 481fb9bda..7ca3460ee 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -1,4 +1,4 @@
-import { Context } from '@/server/context'
+import { Context, getUser } from '@/server/context'
 import { Resolver, Query, Arg, Args, Authorized, Mutation, Ctx, Int } from 'type-graphql'
 import {
   getCustomRepository,
@@ -143,8 +143,8 @@ export class AdminResolver {
       throw new Error(`Could not find user with userId: ${userId}`)
     }
     // moderator user disabled own account?
-    const moderatorUser = context.user
-    if (moderatorUser && moderatorUser.id === userId) {
+    const moderatorUser = getUser(context)
+    if (moderatorUser.id === userId) {
       throw new Error('Moderator can not delete his own account!')
     }
     // soft-delete user
@@ -310,8 +310,8 @@ export class AdminResolver {
     @Ctx() context: Context,
   ): Promise<boolean> {
     const pendingCreation = await AdminPendingCreation.findOneOrFail(id)
-    const moderatorUser = context.user
-    if (moderatorUser && moderatorUser.id === pendingCreation.userId)
+    const moderatorUser = getUser(context)
+    if (moderatorUser.id === pendingCreation.userId)
       throw new Error('Moderator can not confirm own pending creation')
 
     const user = await dbUser.findOneOrFail({ id: pendingCreation.userId }, { withDeleted: true })