Render currencies etc.

app/helpers/fmt-fiat-currency.js

@@ -0,0 +1,10 @@
+import { helper } from '@ember/component/helper';
+
+export default helper(function fmtFiatCurrency(params) {
+  const formatter = new Intl.NumberFormat('en-US', {
+    style: 'currency',
+    currency: params[1] || 'EUR',
+    minimumFractionDigits: 2
+  })
+  return formatter.format(params[0]);
+});

app/helpers/sats-to-btc.js

@@ -0,0 +1,5 @@
+import { helper } from '@ember/component/helper';
+
+export default helper(function satsToBtc(amount/*, hash*/) {
+  return amount / 100000000;
+});