Merge pull request #4800 from MetaMask/i4785-confirm-screen-fixes

Add fallback when no function found, fix network colors, add fiat values for tokens with contract exchange rates

1 files changed, 17 insertions, 0 deletions

diff --git a/ui/app/helpers/confirm-transaction/util.js b/ui/app/helpers/confirm-transaction/util.js
index ad247a348..1373d28df 100644
--- a/ui/app/helpers/confirm-transaction/util.js
+++ b/ui/app/helpers/confirm-transaction/util.js
@@ -114,3 +114,20 @@ export function formatCurrency (value, currencyCode) {
     ? currencyFormatter.format(Number(value), { code: upperCaseCurrencyCode })
     : value
 }
+
+export function convertTokenToFiat ({
+  value,
+  toCurrency,
+  conversionRate,
+  contractExchangeRate,
+}) {
+  const totalExchangeRate = conversionRate * contractExchangeRate
+
+  return conversionUtil(value, {
+    fromNumericBase: 'dec',
+    toNumericBase: 'dec',
+    toCurrency,
+    numberOfDecimals: 2,
+    conversionRate: totalExchangeRate,
+  })
+}