feat: add light node upgrade top up methods (#372)

* feat: add top up

* chore: remove console.log

* build: add pseudo-missing dependency

* feat: add missing top up components

* fix: crypto route

* feat(wip): add gift wallet logic

* fix: fix gift wallet flows

* feat: simplify flow without fund step

* feat: add loading screens

* fix: remove alert

* fix: prepend http if needed

* fix: fix bug that was reintroduced with merge

* refactor: rename minusEther to minusBaseUnits

* fix: remove unused setStartedAt

* build: remove unused dependency

src/components/CashoutModal.tsx

@@ -6,7 +6,7 @@ import DialogContent from '@material-ui/core/DialogContent'
 import DialogContentText from '@material-ui/core/DialogContentText'
 import DialogTitle from '@material-ui/core/DialogTitle'
 import { useSnackbar } from 'notistack'
-import { ReactElement, useState, useContext } from 'react'
+import { ReactElement, useContext, useState } from 'react'
 import { Zap } from 'react-feather'
 import { Context as SettingsContext } from '../providers/Settings'
 import EthereumAddress from './EthereumAddress'
@@ -61,7 +61,7 @@ export default function CheckoutModal({ peerId, uncashedAmount }: Props): ReactE
   return (
     <div>
       <Button variant="contained" onClick={handleClickOpen} startIcon={<Zap size="1rem" />}>
-        Cash out peer {peerId.substr(0, 8)}[…]
+        Cash out peer {peerId.slice(0, 8)}[…]
       </Button>
       <Dialog open={open} onClose={handleClose} aria-labelledby="form-dialog-title">
         <DialogTitle id="form-dialog-title">Cashout Cheque</DialogTitle>