minor fixes

ui/pages/Block.tsx

@@ -49,15 +49,18 @@ const BlockPageContent = () => {
   const hasPagination = !isMobile && router.query.tab === 'txs' && blockTxsQuery.isPaginationVisible;
 
   const referrer = isInBrowser ? window.document.referrer : appProps.referrer;
+  const hasGoBackLink = referrer && referrer.includes('/blocks');
 
   return (
     <Page>
       <Flex alignItems="center" columnGap={ 3 }>
-        <Tooltip label="Back to blocks list">
-          <Link mb={ 6 } display="inline-flex" href={ referrer }>
-            <Icon as={ eastArrowIcon } boxSize={ 6 } transform="rotate(180deg)"/>
-          </Link>
-        </Tooltip>
+        { hasGoBackLink && (
+          <Tooltip label="Back to blocks list">
+            <Link mb={ 6 } display="inline-flex" href={ referrer }>
+              <Icon as={ eastArrowIcon } boxSize={ 6 } transform="rotate(180deg)"/>
+            </Link>
+          </Tooltip>
+        ) }
         <PageTitle text={ `Block #${ router.query.id }` }/>
       </Flex>
       <RoutedTabs

ui/txs/TxsListItem.tsx

@@ -77,18 +77,20 @@ const TxsListItem = ({ tx, showBlockInfo, currentAddress }: Props) => {
           </Flex>
           <Text variant="secondary" fontWeight="400" fontSize="sm">{ dayjs(tx.timestamp).fromNow() }</Text>
         </Flex>
-        <Flex mt={ 3 }>
-          <Text as="span" whiteSpace="pre">Method </Text>
-          <Text
-            as="span"
-            variant="secondary"
-            overflow="hidden"
-            whiteSpace="nowrap"
-            textOverflow="ellipsis"
-          >
-            { tx.method }
-          </Text>
-        </Flex>
+        { tx.method && (
+          <Flex mt={ 3 }>
+            <Text as="span" whiteSpace="pre">Method </Text>
+            <Text
+              as="span"
+              variant="secondary"
+              overflow="hidden"
+              whiteSpace="nowrap"
+              textOverflow="ellipsis"
+            >
+              { tx.method }
+            </Text>
+          </Flex>
+        ) }
         { showBlockInfo && tx.block !== null && (
           <Box mt={ 2 }>
             <Text as="span">Block </Text>