Rename RippleAPI client to Client (#1520)

* rename RippleAPI -> XrplClient

* more renames

* move API stuff to client folder

* rename all api -> client

* fix tests

* make tests run

* fix integ tests

* fix urls

* fix merge issues

* XrplClient -> Client

* fix merge issues

* rename xrpl-client npm symlink to xrpl-local

test/client/getBalances/index.ts

@@ -0,0 +1,47 @@
+import responses from '../../fixtures/responses'
+import {assertResultMatch, TestSuite} from '../../utils'
+
+/**
+ * Every test suite exports their tests in the default object.
+ * - Check out the "TestSuite" type for documentation on the interface.
+ * - Check out "test/client/index.ts" for more information about the test runner.
+ */
+export default <TestSuite>{
+  'getBalances': async (client, address) => {
+    const result = await client.getBalances(address)
+    assertResultMatch(result, responses.getBalances, 'getBalances')
+  },
+
+  'getBalances - limit': async (client, address) => {
+    const options = {limit: 3, ledgerVersion: 123456}
+    const expectedResponse = responses.getBalances.slice(0, 3)
+    const result = await client.getBalances(address, options)
+    assertResultMatch(result, expectedResponse, 'getBalances')
+  },
+
+  'getBalances - limit & currency': async (client, address) => {
+    const options = {currency: 'USD', limit: 3}
+    const expectedResponse = responses.getBalances
+      .filter((item) => item.currency === 'USD')
+      .slice(0, 3)
+    const result = await client.getBalances(address, options)
+    assertResultMatch(result, expectedResponse, 'getBalances')
+  },
+
+  'getBalances - limit & currency & issuer': async (client, address) => {
+    const options = {
+      currency: 'USD',
+      counterparty: 'rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B',
+      limit: 3
+    }
+    const expectedResponse = responses.getBalances
+      .filter(
+        (item) =>
+          item.currency === 'USD' &&
+          item.counterparty === 'rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B'
+      )
+      .slice(0, 3)
+    const result = await client.getBalances(address, options)
+    assertResultMatch(result, expectedResponse, 'getBalances')
+  }
+}