Use historic BTC rate for expense items; allow BTC as currency

tests/integration/helpers/fmt-fiat-currency-test.js

@@ -18,5 +18,12 @@ module('Integration | Helper | fmt-fiat-currency', function(hooks) {
     await render(hbs`{{fmt-fiat-currency this.amount 'USD'}}`);
     assert.ok(this.element.textContent.trim().match(/USD/),
               'using defined currency when given');
+
+    await render(hbs`{{fmt-fiat-currency 0.00123 'BTC'}}`);
+    assert.ok(this.element.textContent.trim().match(/0.00123/),
+              'allows more decimals');
+    assert.ok(this.element.textContent.trim().match(/BTC/),
+              'using defined currency when given');
   });
+
 });

tests/unit/components/add-reimbursement-test.js

@@ -39,12 +39,4 @@ module('Unit | Component | add-reimbursement', function(hooks) {
     assert.equal(component.totalEUR, '71');
     assert.equal(component.totalUSD, '59');
   });
-
-  test('#updateTotalAmountFromFiat', async function(assert) {
-    let component = createComponent('component:add-reimbursement');
-    component.expenses = expenses;
-    await component.exchangeRates.fetchRates();
-    component.updateTotalAmountFromFiat();
-    assert.equal(component.total, '0.01323322', 'converts EUR and USD totals to BTC and rounds to 8 decimals');
-  });
 });

tests/unit/services/exchange-rates-test.js

@@ -7,7 +7,7 @@ module('Unit | Service | exchange-rates', function(hooks) {
   test('#fetchRates', async function(assert) {
     let service = this.owner.lookup('service:exchange-rates');
     await service.fetchRates();
-    assert.equal(service.btceur, 9167.57, 'fetches BTCEUR from Bitstamp');
-    assert.equal(service.btcusd, 10749.70, 'fetches BTCUSD from Bitstamp');
+    assert.equal(service.EUR, 9167.57, 'fetches BTCEUR from Bitstamp');
+    assert.equal(service.USD, 10749.70, 'fetches BTCUSD from Bitstamp');
   });
 });