feat(wallet): apply fastest fee for onchain txs

app/components/Pay/Pay.js

@@ -131,6 +131,7 @@ class Pay extends React.Component {
     isQueryingFees: false,
     isQueryingRoutes: false,
     nodes: [],
+    onchainFees: {},
     routes: []
   }
 
@@ -186,13 +187,14 @@ class Pay extends React.Component {
    */
   onSubmit = values => {
     const { currentStep, isOnchain } = this.state
-    const { cryptoCurrency, payInvoice, sendCoins } = this.props
+    const { cryptoCurrency, onchainFees, payInvoice, sendCoins } = this.props
     if (currentStep === 'summary') {
       return isOnchain
         ? sendCoins({
             value: values.amountCrypto,
             addr: values.payReq,
-            currency: cryptoCurrency
+            currency: cryptoCurrency,
+            satPerByte: onchainFees.fastestFee
           })
         : payInvoice(values.payReq)
     } else {

app/components/Pay/PaySummaryOnChain.js

@@ -51,7 +51,7 @@ class PaySummaryOnChain extends React.Component {
     onchainFees: {}
   }
 
-  componenDidMount() {
+  componentDidMount() {
     const { queryFees } = this.props
     queryFees()
   }

app/lib/lnd/methods/walletController.js

@@ -74,9 +74,9 @@ export function getTransactions(lnd) {
  * @param  {[type]} amount [description]
  * @return {[type]}        [description]
  */
-export function sendCoins(lnd, { addr, amount }) {
+export function sendCoins(lnd, { addr, amount, target_conf, sat_per_byte }) {
   return new Promise((resolve, reject) => {
-    lnd.sendCoins({ addr, amount }, (err, data) => {
+    lnd.sendCoins({ addr, amount, target_conf, sat_per_byte }, (err, data) => {
       if (err) {
         return reject(err)
       }

app/reducers/transaction.js

@@ -86,13 +86,16 @@ export const receiveTransactions = (event, { transactions }) => (dispatch, getSt
   dispatch(fetchBalance())
 }
 
-export const sendCoins = ({ value, addr, currency }) => dispatch => {
+export const sendCoins = ({ value, addr, currency, targetConf, satPerByte }) => dispatch => {
   // backend needs amount in satoshis no matter what currency we are using
   const amount = btc.convert(currency, 'sats', value)
 
   // submit the transaction to LND
   dispatch(sendTransaction())
-  ipcRenderer.send('lnd', { msg: 'sendCoins', data: { amount, addr } })
+  ipcRenderer.send('lnd', {
+    msg: 'sendCoins',
+    data: { amount, addr, currency, target_conf: targetConf, sat_per_byte: satPerByte }
+  })
 
   // Close the form modal once the payment was sent to LND
   // we will do the loading/success UX on the main page