fix flow errors

ui/component/claimSupportButton/view.jsx

@@ -13,7 +13,7 @@ type Props = {
   disableSupport: boolean,
   isRepost?: boolean,
   doOpenModal: (id: string, {}) => void,
-  preferredCurrency: ?string,
+  preferredCurrency: string,
 };
 
 export default function ClaimSupportButton(props: Props) {

ui/component/commentCreate/view.jsx

@@ -63,10 +63,18 @@ type Props = {
   doFetchCreatorSettings: (channelId: string) => Promise<any>,
   doToast: ({ message: string }) => void,
   doCommentById: (commentId: string, toastIfNotFound: boolean) => Promise<any>,
-  doSendCashTip: (TipParams, anonymous: boolean, UserParams, claimId: string, stripe: ?string, (any) => void) => string,
+  doSendCashTip: (
+    TipParams,
+    anonymous: boolean,
+    UserParams,
+    claimId: string,
+    stripe: ?string,
+    preferredCurrency: string,
+    (any) => void
+  ) => string,
   doSendTip: (params: {}, isSupport: boolean, successCb: (any) => void, errorCb: (any) => void, boolean) => void,
   doOpenModal: (id: string, any) => void,
-  preferredCurrency?: boolean,
+  preferredCurrency: string,
 };
 
 export function CommentCreate(props: Props) {
@@ -308,7 +316,14 @@ export function CommentCreate(props: Props) {
       const tipParams: TipParams = { tipAmount: Math.round(tipAmount * 100) / 100, tipChannelName, channelClaimId };
       const userParams: UserParams = { activeChannelName, activeChannelId: activeChannelClaimId };
 
-      doSendCashTip(tipParams, false, userParams, claimId, stripeEnvironment, preferredCurrency, (customerTipResponse) => {
+      doSendCashTip(
+        tipParams,
+        false,
+        userParams,
+        claimId,
+        stripeEnvironment,
+        preferredCurrency,
+        (customerTipResponse) => {
           const { payment_intent_id } = customerTipResponse;
 
           handleCreateComment(null, payment_intent_id, stripeEnvironment);
@@ -318,7 +333,8 @@ export function CommentCreate(props: Props) {
           setTipSelector(false);
           setCommentFailure(false);
           setSubmitting(false);
-      });
+        }
+      );
     }
   }
 
@@ -687,7 +703,7 @@ export function CommentCreate(props: Props) {
                   <TipActionButton {...tipButtonProps} name={__('Credits')} icon={ICONS.LBC} tab={TAB_LBC} />
 
                   {stripeEnvironment && (
-                    <TipActionButton {...tipButtonProps} name={__('Cash')} icon={ICONS.FINANCE} tab={TAB_FIAT} />
+                    <TipActionButton {...tipButtonProps} name={__('Cash')} icon={fiatIconToUse} tab={TAB_FIAT} />
                   )}
                 </>
               )}

ui/component/walletSendTip/view.jsx

@@ -46,10 +46,18 @@ type Props = {
   hasSelectedTab?: string,
   customText?: string,
   doHideModal: () => void,
-  doSendCashTip: (TipParams, boolean, UserParams, string, ?string) => string,
+  doSendCashTip: (
+    TipParams,
+    anonymous: boolean,
+    UserParams,
+    claimId: string,
+    stripe: ?string,
+    preferredCurrency: string,
+    ?(any) => void
+  ) => string,
   doSendTip: (SupportParams, boolean) => void, // function that comes from lbry-redux
   setAmount?: (number) => void,
-  preferredCurrency?: boolean,
+  preferredCurrency: string,
 };
 
 export default function WalletSendTip(props: Props) {
@@ -120,8 +128,9 @@ export default function WalletSendTip(props: Props) {
       confirmLabel = __('Boosting');
       break;
     case TAB_FIAT:
-      explainerText = __('Show this channel your appreciation by sending a donation in %currencyToUse%. ',
-        { currencyToUse: preferredCurrency});
+      explainerText = __('Show this channel your appreciation by sending a donation in %currencyToUse%. ', {
+        currencyToUse: preferredCurrency,
+      });
       confirmLabel = __('Tipping %currencyToUse%', { currencyToUse: preferredCurrency });
       break;
     case TAB_LBC:
@@ -195,7 +204,14 @@ export default function WalletSendTip(props: Props) {
         const userParams: UserParams = { activeChannelName, activeChannelId };
 
         // hit backend to send tip
-        doSendCashTip(tipParams, !activeChannelId || incognito, userParams, claimId, stripeEnvironment, preferredCurrency);
+        doSendCashTip(
+          tipParams,
+          !activeChannelId || incognito,
+          userParams,
+          claimId,
+          stripeEnvironment,
+          preferredCurrency
+        );
         doHideModal();
       }
       // if it's a boost (?)