Add success and failure callback URLs to Simplex API form

Author: sfncook

src/api.js

@@ -305,12 +305,16 @@ export async function sellDetails (sellId) {
 }
 
 export const SimplexForm = props => {
+  const baseUrl = 'https://edge-app-deep-link-redirect.herokuapp.com';
+  const successUrl = `${baseUrl}?currency=${encodeURI(props.quote.currency)}&digital_amount=${encodeURI(props.quote.fiat_total_amount_amount)}&order_id=${encodeURI(props.quote.payment_id)}`
+  const failureUrl = `${baseUrl}?dont_track=true`
   return (
     <form id="payment_form" action={edgeSimplexBuyUrl} method="POST" target="_self">
       <input type="hidden" name="version" value={props.quote.version} />
       <input type="hidden" name="partner" value={props.quote.partner} />
       <input type="hidden" name="payment_flow_type" value={props.quote.payment_flow_type} />
-      <input type="hidden" name="return_url" value={props.quote.return_url} />
+      <input type="hidden" name="return_url_success" value={successUrl} />
+      <input type="hidden" name="return_url_fail" value={failureUrl} />
       <input type="hidden" name="quote_id" value={props.quote.quote_id} />
       <input type="hidden" name="payment_id" value={props.quote.payment_id} />
       <input type="hidden" name="user_id" value={props.quote.user_id} />

src/config.js

@@ -1,9 +1,9 @@
 // @flow
-const SANDBOX = false
+const SANDBOX = true
 
 export const edgeUrl = SANDBOX ? 'https://edge-sandbox.test-simplexcc.com' : 'https://edge-prod.simplex.com'
 
 export const simplexUrl = SANDBOX ? 'https://sandbox.test-simplexcc.com/payments/new' : 'https://checkout.simplexcc.com/payments/new'
 
-export const edgeLegacyBuyUrl = /* SANDBOX ? 'https://simplex-sandbox-api.edgesecure.co' :  */'https://simplex-api.edgesecure.co'
-export const edgeSimplexBuyUrl = /* SANDBOX ? 'https://sandbox.test-simplexcc.com/payments/new' :  */'https://checkout.simplexcc.com/payments/new'
+export const edgeLegacyBuyUrl = SANDBOX ? 'https://simplex-sandbox-api.edgesecure.co' : 'https://simplex-api.edgesecure.co'
+export const edgeSimplexBuyUrl = SANDBOX ? 'https://sandbox.test-simplexcc.com/payments/new' : 'https://checkout.simplexcc.com/payments/new'