From 06ab7746a5dcfd332cf606467774eca4eb31d737 Mon Sep 17 00:00:00 2001
From: theborakompanioni <theborakompanioni+github@gmail.com>
Date: Wed, 11 Oct 2023 22:05:17 +0200
Subject: [PATCH] fix(fee): allow missing fee config values to be updated

---
 src/components/Send/index.tsx        | 15 ++++++++++-----
 src/context/ServiceConfigContext.tsx | 26 ++++++++++++++++++++------
 2 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/src/components/Send/index.tsx b/src/components/Send/index.tsx
index 436625c3..36d4cec2 100644
--- a/src/components/Send/index.tsx
+++ b/src/components/Send/index.tsx
@@ -83,6 +83,11 @@ export default function Send({ wallet }: SendProps) {
   const [destinationIsReusedAddress, setDestinationIsReusedAddress] = useState(false)
 
   const [feeConfigValues, reloadFeeConfigValues] = useFeeConfigValues()
+  const maxFeesConfigMissing = useMemo(
+    () =>
+      feeConfigValues && (feeConfigValues.max_cj_fee_abs === undefined || feeConfigValues.max_cj_fee_rel === undefined),
+    [feeConfigValues],
+  )
   const [activeFeeConfigModalSection, setActiveFeeConfigModalSection] = useState<FeeConfigSectionKey>()
   const [showFeeConfigModal, setShowFeeConfigModal] = useState(false)
 
@@ -91,12 +96,12 @@ export default function Send({ wallet }: SendProps) {
 
   const isOperationDisabled = useMemo(
     () =>
-      !feeConfigValues ||
+      maxFeesConfigMissing ||
       isCoinjoinInProgress ||
       isMakerRunning ||
       isRescanningInProgress ||
       waitForUtxosToBeSpent.length > 0,
-    [feeConfigValues, isCoinjoinInProgress, isMakerRunning, isRescanningInProgress, waitForUtxosToBeSpent],
+    [maxFeesConfigMissing, isCoinjoinInProgress, isMakerRunning, isRescanningInProgress, waitForUtxosToBeSpent],
   )
   const [isInitializing, setIsInitializing] = useState(!isOperationDisabled)
   const isLoading = useMemo(
@@ -285,10 +290,10 @@ export default function Send({ wallet }: SendProps) {
         signal: abortCtrl.signal,
         key: { section: 'POLICY', field: 'minimum_makers' },
       })
-        .then((data) => {
+        .then((data) => (data.value !== null ? parseInt(data.value, 10) : JM_MINIMUM_MAKERS_DEFAULT))
+        .then((minimumMakers) => {
           if (abortCtrl.signal.aborted) return
 
-          const minimumMakers = parseInt(data.value, 10)
           setMinNumCollaborators(minimumMakers)
           setNumCollaborators(initialNumCollaborators(minimumMakers))
         })
@@ -628,7 +633,7 @@ export default function Send({ wallet }: SendProps) {
             )}
           </>
         </rb.Fade>
-        {!isLoading && !feeConfigValues && (
+        {maxFeesConfigMissing && (
           <rb.Alert className="slashed-zeroes" variant="danger">
             {t('send.taker_error_message_max_fees_config_missing')}
           </rb.Alert>
diff --git a/src/context/ServiceConfigContext.tsx b/src/context/ServiceConfigContext.tsx
index f06775cd..8bf15835 100644
--- a/src/context/ServiceConfigContext.tsx
+++ b/src/context/ServiceConfigContext.tsx
@@ -23,6 +23,11 @@ export interface ServiceConfigUpdate {
   value: string
 }
 
+export interface ServiceConfigValue {
+  key: ConfigKey
+  value: string | null
+}
+
 type LoadConfigValueProps = {
   signal?: AbortSignal
   key: ConfigKey
@@ -40,7 +45,7 @@ type UpdateConfigValuesProps = {
   wallet?: MinimalWalletContext
 }
 
-const configReducer = (state: ServiceConfig, obj: ServiceConfigUpdate): ServiceConfig => {
+const configReducer = (state: ServiceConfig, obj: ServiceConfigValue): ServiceConfig => {
   const data = { ...state }
   data[obj.key.section] = { ...data[obj.key.section], [obj.key.field]: obj.value }
   return data
@@ -55,14 +60,23 @@ const fetchConfigValues = async ({
   wallet: MinimalWalletContext
   configKeys: ConfigKey[]
 }) => {
-  const fetches: Promise<ServiceConfigUpdate>[] = configKeys.map((configKey) => {
+  const fetches: Promise<ServiceConfigValue>[] = configKeys.map((configKey) => {
     return Api.postConfigGet({ ...wallet, signal }, { section: configKey.section, field: configKey.field })
       .then((res) => (res.ok ? res.json() : Api.Helper.throwError(res)))
       .then((data: JmConfigData) => {
         return {
           key: configKey,
           value: data.configvalue,
-        } as ServiceConfigUpdate
+        } as ServiceConfigValue
+      })
+      .catch((e) => {
+        if (e instanceof Api.JmApiError && e.response.status === 409) {
+          return {
+            key: configKey,
+            value: null,
+          } as ServiceConfigValue
+        }
+        throw e
       })
   })
 
@@ -95,7 +109,7 @@ const pushConfigValues = async ({
 }
 
 export interface ServiceConfigContextEntry {
-  loadConfigValueIfAbsent: (props: LoadConfigValueProps) => Promise<ServiceConfigUpdate>
+  loadConfigValueIfAbsent: (props: LoadConfigValueProps) => Promise<ServiceConfigValue>
   refreshConfigValues: (props: RefreshConfigValuesProps) => Promise<ServiceConfig>
   updateConfigValues: (props: UpdateConfigValuesProps) => Promise<ServiceConfig>
 }
@@ -138,7 +152,7 @@ const ServiceConfigProvider = ({ children }: PropsWithChildren<{}>) => {
           return {
             key,
             value: serviceConfig.current[key.section][key.field],
-          } as ServiceConfigUpdate
+          } as ServiceConfigValue
         }
       }
 
@@ -146,7 +160,7 @@ const ServiceConfigProvider = ({ children }: PropsWithChildren<{}>) => {
         return {
           key,
           value: conf[key.section][key.field],
-        } as ServiceConfigUpdate
+        } as ServiceConfigValue
       })
     },
     [refreshConfigValues],