Feat: gas price in header

src/components/common/GasStation/index.tsx

@@ -0,0 +1,19 @@
+import { Box, SvgIcon, Typography } from '@mui/material'
+import LocalGasStationIcon from '@mui/icons-material/LocalGasStation'
+import useGasPrice from '@/hooks/useGasPrice'
+import { formatVisualAmount } from '@/utils/formatters'
+
+const GasStation = () => {
+  const [gasPrice] = useGasPrice()
+  const maxFeePerGas = gasPrice?.maxFeePerGas
+  const gasGwei = maxFeePerGas ? formatVisualAmount(maxFeePerGas, 'gwei', 0) : ''
+
+  return (
+    <Box display="flex" alignItems="center">
+      <Typography sx={{ minWidth: '1.4em' }}>{gasGwei}</Typography>
+      <SvgIcon component={LocalGasStationIcon} inheritViewBox fontSize="small" />
+    </Box>
+  )
+}
+
+export default GasStation

src/components/common/Header/index.tsx

@@ -15,6 +15,7 @@ import SafeLogo from '@/public/images/logo.svg'
 import Link from 'next/link'
 import useSafeAddress from '@/hooks/useSafeAddress'
 import BatchIndicator from '@/components/batch/BatchIndicator'
+import GasStation from '../GasStation'
 
 type HeaderProps = {
   onMenuToggle?: Dispatch<SetStateAction<boolean>>
@@ -66,6 +67,10 @@ const Header = ({ onMenuToggle, onBatchToggle }: HeaderProps): ReactElement => {
         </div>
       )}
 
+      <div className={css.element}>
+        <GasStation />
+      </div>
+
       <div className={classnames(css.element, css.hideMobile)}>
         <BatchIndicator onClick={handleBatchToggle} />
       </div>