From 977937956eb96fd12802c12922de7e2eab21aac7 Mon Sep 17 00:00:00 2001
From: Tom Kirkpatrick <tkp@kirkdesigns.co.uk>
Date: Wed, 19 Sep 2018 18:32:19 +0200
Subject: [PATCH] chore(fs): remove unused util code

Our USD helper functions are no longer used since we have migrated to
intl for currency formatting. Remove the unused code.
---
 app/lib/utils/index.js      |  1 -
 app/lib/utils/usd.js        | 16 ----------------
 test/unit/utils/usd.spec.js | 27 ---------------------------
 3 files changed, 44 deletions(-)
 delete mode 100644 app/lib/utils/usd.js
 delete mode 100644 test/unit/utils/usd.spec.js

diff --git a/app/lib/utils/index.js b/app/lib/utils/index.js
index cdf18be9..b487fedb 100644
--- a/app/lib/utils/index.js
+++ b/app/lib/utils/index.js
@@ -1,4 +1,3 @@
 export btc from './btc'
-export usd from './usd'
 export bech32 from './bech32'
 export blockExplorer from './blockExplorer'
diff --git a/app/lib/utils/usd.js b/app/lib/utils/usd.js
deleted file mode 100644
index 47cc2f77..00000000
--- a/app/lib/utils/usd.js
+++ /dev/null
@@ -1,16 +0,0 @@
-export function formatUsd(usd) {
-  return `$${(+usd).toFixed(2)}`
-}
-
-export function usdToBtc(usd, rate) {
-  if (usd === undefined || usd === null || usd === '') {
-    return null
-  }
-
-  return (usd / rate).toFixed(8)
-}
-
-export default {
-  formatUsd,
-  usdToBtc
-}
diff --git a/test/unit/utils/usd.spec.js b/test/unit/utils/usd.spec.js
deleted file mode 100644
index 18044f45..00000000
--- a/test/unit/utils/usd.spec.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import { formatUsd, usdToBtc } from 'lib/utils/usd'
-
-describe('usd', () => {
-  describe('formatUsd', () => {
-    it('should handle a string value', () => {
-      expect(formatUsd('42.0')).toBe('$42.00')
-    })
-
-    it('should handle a numerical value', () => {
-      expect(formatUsd(42.0)).toBe('$42.00')
-    })
-
-    it('should round to two decimal places', () => {
-      expect(formatUsd('42.416')).toBe('$42.42')
-    })
-  })
-
-  describe('usdToBtc', () => {
-    it('should convert USD to BTC using rate', () => {
-      expect(usdToBtc(1, 50)).toBe('0.02000000')
-    })
-
-    it('should round to eight decimal places', () => {
-      expect(usdToBtc(2, 3)).toBe('0.66666667')
-    })
-  })
-})